From 2b92e423e7ef6ddba6c5178b05da68b3dc320321 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Mon, 6 Feb 2023 21:53:42 +0200
Subject: [PATCH 001/125] add test directory

---
 .idea/gradle.xml | 2 ++
 .idea/misc.xml   | 2 +-
 local.properties | 8 ++++++++
 3 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 local.properties

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 5404067d2..249bb1173 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -4,8 +4,10 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="Embedded JDK" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 495e37055..62269dfc3 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_16" default="true" project-jdk-name="openjdk-16" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/local.properties b/local.properties
new file mode 100644
index 000000000..663e5ab69
--- /dev/null
+++ b/local.properties
@@ -0,0 +1,8 @@
+## This file must *NOT* be checked into Version Control Systems,
+# as it contains information specific to your local configuration.
+#
+# Location of the SDK. This is only used by Gradle.
+# For customization when using a Version Control System, please read the
+# header note.
+#Mon Feb 06 19:57:21 EET 2023
+sdk.dir=C\:\\Users\\Bg\\AppData\\Local\\Android\\Sdk

From b5e65fad81639fa3c934126f51daac4b3a5c7a82 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Thu, 9 Feb 2023 21:41:28 +0200
Subject: [PATCH 002/125] add Test package

---
 build.gradle.kts                                           | 1 +
 .../GetCityHasCheapestInternetConnectionInteractorTest.kt  | 7 +++++++
 2 files changed, 8 insertions(+)
 create mode 100644 src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt

diff --git a/build.gradle.kts b/build.gradle.kts
index f22bd8bb7..0eb654b68 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -14,6 +14,7 @@ repositories {
 
 dependencies {
     testImplementation(kotlin("test"))
+    androidTestImplementation("org.junit.jupiter:junit-jupiter")
 }
 
 tasks.test {
diff --git a/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt b/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
new file mode 100644
index 000000000..28ffee3ee
--- /dev/null
+++ b/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
@@ -0,0 +1,7 @@
+package interactor
+
+
+
+internal class GetCityHasCheapestInternetConnectionInteractorTest(){
+
+}
\ No newline at end of file

From dbe2af75bda989488a7f6df1b2b046d3df6017fc Mon Sep 17 00:00:00 2001
From: Nour Elden Alaa <nourelden515@gmail.com>
Date: Fri, 10 Feb 2023 02:45:21 +0200
Subject: [PATCH 003/125] Prepare for testing

create feature class GetCheapestApartmentsCitiesNamesInteractor.kt
create class for testing the feature GetCheapestApartmentsCitiesNamesInteractorTest.kt
create FakeDataSource.kt
---
 ...CheapestApartmentsCitiesNamesInteractor.kt |  10 +
 ...pestApartmentsCitiesNamesInteractorTest.kt |  23 ++
 src/test/kotlin/model/FakeDataSource.kt       | 227 ++++++++++++++++++
 3 files changed, 260 insertions(+)
 create mode 100644 src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
 create mode 100644 src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
 create mode 100644 src/test/kotlin/model/FakeDataSource.kt

diff --git a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
new file mode 100644
index 000000000..f4ef7767f
--- /dev/null
+++ b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
@@ -0,0 +1,10 @@
+package interactor
+
+class GetCheapestApartmentsCitiesNamesInteractor(
+    dataSource: CostOfLivingDataSource
+) {
+    fun execute(limit:Int):List<Pair<Int,String>>{
+
+        return emptyList()
+    }
+}
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
new file mode 100644
index 000000000..41f03b4c7
--- /dev/null
+++ b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
@@ -0,0 +1,23 @@
+package interactor
+
+import model.FakeDataSource
+import org.junit.jupiter.api.Test
+
+import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.TestInstance
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+internal class GetCheapestApartmentsCitiesNamesInteractorTest {
+
+    private lateinit var fakeData: FakeDataSource
+
+    @BeforeAll
+    fun init() {
+        fakeData = FakeDataSource()
+    }
+
+    @Test
+    fun execute() {
+    }
+}
\ No newline at end of file
diff --git a/src/test/kotlin/model/FakeDataSource.kt b/src/test/kotlin/model/FakeDataSource.kt
new file mode 100644
index 000000000..30e32bd07
--- /dev/null
+++ b/src/test/kotlin/model/FakeDataSource.kt
@@ -0,0 +1,227 @@
+package model
+
+class FakeDataSource() {
+
+    fun getNormalData() = List(20) {
+        CityEntity(
+            "Cairo",
+            "Egypt",
+            MealsPrices(
+                4.07f,
+                20.35f,
+                4.07f
+            ),
+            DrinksPrices(
+                1.75f,
+                0.25f,
+                0.15f,
+                0.82f,
+                0.52f,
+            ),
+            FruitAndVegetablesPrices(
+                7.62f,
+                1.18f,
+                0.66f,
+                0.42f,
+                0.31f,
+                0.34f,
+                0.27f,
+            ),
+            FoodPrices(
+                0.24f,
+                0.22f,
+                8.14f,
+                1.29f,
+                1.99f,
+                2.03f,
+            ),
+            ServicesPrices(
+                0.28f,
+                13.23f,
+                0.41f,
+                0.14f,
+                1.02f,
+                0.4f,
+                21061.16f,
+                21147.47f,
+            ),
+            ClothesPrices(
+                26.53f,
+                0.01f,
+                16.37f,
+                23.44f,
+            ),
+            TransportationsPrices(
+                8.49f,
+                4.48f,
+                146.82f,
+                2909.45f,
+                39.37f,
+                37.51f,
+            ),
+            CarsPrices(
+                89.61f,
+                48.65f,
+            ),
+            RealEstatesPrices(
+                196.83f,
+                117.45f,
+                400.03f,
+                233.92f,
+                549.42f,
+                380.62f
+            ),
+            10.87f,
+            true
+        )
+    }
+
+    fun getDataWithLowQuality() = List(20) {
+        CityEntity(
+            "Cairo",
+            "Egypt",
+            MealsPrices(
+                4.07f,
+                20.35f,
+                4.07f
+            ),
+            DrinksPrices(
+                1.75f,
+                0.25f,
+                0.15f,
+                0.82f,
+                0.52f,
+            ),
+            FruitAndVegetablesPrices(
+                7.62f,
+                1.18f,
+                0.66f,
+                0.42f,
+                0.31f,
+                0.34f,
+                0.27f,
+            ),
+            FoodPrices(
+                0.24f,
+                0.22f,
+                8.14f,
+                1.29f,
+                1.99f,
+                2.03f,
+            ),
+            ServicesPrices(
+                0.28f,
+                13.23f,
+                0.41f,
+                0.14f,
+                1.02f,
+                0.4f,
+                21061.16f,
+                21147.47f,
+            ),
+            ClothesPrices(
+                26.53f,
+                0.01f,
+                16.37f,
+                23.44f,
+            ),
+            TransportationsPrices(
+                8.49f,
+                4.48f,
+                146.82f,
+                2909.45f,
+                39.37f,
+                37.51f,
+            ),
+            CarsPrices(
+                89.61f,
+                48.65f,
+            ),
+            RealEstatesPrices(
+                196.83f,
+                117.45f,
+                400.03f,
+                233.92f,
+                549.42f,
+                380.62f
+            ),
+            10.87f,
+            false
+        )
+    }
+
+    fun getDataWithNullValues() = List(20) {
+        CityEntity(
+            "Cairo",
+            "Egypt",
+            MealsPrices(
+                4.07f,
+                20.35f,
+                4.07f
+            ),
+            DrinksPrices(
+                null,
+                null,
+                null,
+                0.82f,
+                0.52f,
+            ),
+            FruitAndVegetablesPrices(
+                7.62f,
+                1.18f,
+                0.66f,
+                0.42f,
+                0.31f,
+                0.34f,
+                0.27f,
+            ),
+            FoodPrices(
+                0.24f,
+                0.22f,
+                8.14f,
+                null,
+                null,
+                2.03f,
+            ),
+            ServicesPrices(
+                null,
+                13.23f,
+                0.41f,
+                null,
+                1.02f,
+                0.4f,
+                21061.16f,
+                21147.47f,
+            ),
+            ClothesPrices(
+                null,
+                null,
+                16.37f,
+                23.44f,
+            ),
+            TransportationsPrices(
+                8.49f,
+                4.48f,
+                null,
+                2909.45f,
+                39.37f,
+                37.51f,
+            ),
+            CarsPrices(
+                89.61f,
+                48.65f,
+            ),
+            RealEstatesPrices(
+                null,
+                117.45f,
+                400.03f,
+                null,
+                549.42f,
+                380.62f
+            ),
+            10.87f,
+            true
+        )
+    }
+
+}
\ No newline at end of file

From 2b3395f545fbfe93a106272b33b0e98b88afe4c4 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Fri, 10 Feb 2023 11:14:07 +0200
Subject: [PATCH 004/125] add GetCheapestBananaPricesCitiesNamesInteractor
 class

---
 build.gradle.kts                                           | 2 +-
 .../GetCheapestBananaPricesCitiesNamesInteractor.kt        | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt

diff --git a/build.gradle.kts b/build.gradle.kts
index 0eb654b68..e97e1fab9 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -14,7 +14,7 @@ repositories {
 
 dependencies {
     testImplementation(kotlin("test"))
-    androidTestImplementation("org.junit.jupiter:junit-jupiter")
+    testImplementation("org.junit.jupiter:junit-jupiter")
 }
 
 tasks.test {
diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
new file mode 100644
index 000000000..a2ebf0c09
--- /dev/null
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -0,0 +1,7 @@
+package interactor
+
+import model.CityEntity
+
+class GetCheapestBananaPricesCitiesNamesInteractor(){
+
+}

From 512cd0a0068eeb562264f81c15bfc9529e294453 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Fri, 10 Feb 2023 11:14:29 +0200
Subject: [PATCH 005/125] setup GetCheapestBananaPricesCitiesNamesInteractor
 class

---
 .../GetCheapestBananaPricesCitiesNamesInteractor.kt      | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index a2ebf0c09..a9e500cdc 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -2,6 +2,11 @@ package interactor
 
 import model.CityEntity
 
-class GetCheapestBananaPricesCitiesNamesInteractor(){
+class GetCheapestBananaPricesCitiesNamesInteractor(
+    private val dataSource: CostOfLivingDataSource
+) {
 
-}
+    fun execute(vararg cityEntities: CityEntity): List<String> {
+        throw Throwable("Not Implemented yet")
+    }
+}
\ No newline at end of file

From 7864ac9bab6bb4c0e470ad210367dfc436cfac52 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Fri, 10 Feb 2023 11:16:47 +0200
Subject: [PATCH 006/125] add GetCheapestBananaPricesCitiesNamesInteractorTest
 class

---
 .../GetCheapestBananaPricesCitiesNamesInteractorTest.kt    | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt

diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
new file mode 100644
index 000000000..77cc6d47c
--- /dev/null
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -0,0 +1,7 @@
+package interactor
+
+import org.junit.jupiter.api.Assertions.*
+
+internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
+
+}
\ No newline at end of file

From f857cee5c17a441c56f59535bb49a1f64a2bc7fa Mon Sep 17 00:00:00 2001
From: Nour Elden Alaa <nourelden515@gmail.com>
Date: Fri, 10 Feb 2023 15:25:05 +0200
Subject: [PATCH 007/125] migration with kotlinFixtures

---
 src/main/kotlin/Main.kt                       |   5 +
 ...CheapestApartmentsCitiesNamesInteractor.kt |   3 +-
 src/test/kotlin/model/FakeDataSource.kt       | 236 ++----------------
 3 files changed, 27 insertions(+), 217 deletions(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index c1caa623d..7639556a5 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -1,6 +1,7 @@
 import dataSource.CsvDataSource
 import dataSource.utils.CsvParser
 import interactor.CostOfLivingDataSource
+import interactor.GetCheapestApartmentsCitiesNamesInteractor
 import interactor.GetCityHasCheapestInternetConnectionInteractor
 import interactor.GetHighestSalaryAverageCititesNamesInteractor
 
@@ -12,6 +13,10 @@ fun main() {
     println(getHighestSalaryAverageCities.execute(limit = 10))
     printSeparationLine()
 
+    val getCheapestApartmentsCitiesNamesInteractor = GetCheapestApartmentsCitiesNamesInteractor(dataSource)
+    print(getCheapestApartmentsCitiesNamesInteractor.execute(10))
+    printSeparationLine()
+
     val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
     println(getCityHasCheapestInternetConnectionInteractor.execute())
 
diff --git a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
index f4ef7767f..c2c57e770 100644
--- a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
@@ -3,7 +3,8 @@ package interactor
 class GetCheapestApartmentsCitiesNamesInteractor(
     dataSource: CostOfLivingDataSource
 ) {
-    fun execute(limit:Int):List<Pair<Int,String>>{
+
+    fun execute(limit:Int):List<Pair<String,Float>>{
 
         return emptyList()
     }
diff --git a/src/test/kotlin/model/FakeDataSource.kt b/src/test/kotlin/model/FakeDataSource.kt
index 30e32bd07..ec31fc3ee 100644
--- a/src/test/kotlin/model/FakeDataSource.kt
+++ b/src/test/kotlin/model/FakeDataSource.kt
@@ -1,227 +1,31 @@
 package model
 
+import com.appmattus.kotlinfixture.decorator.nullability.NeverNullStrategy
+import com.appmattus.kotlinfixture.decorator.nullability.nullabilityStrategy
+import com.appmattus.kotlinfixture.kotlinFixture
+
 class FakeDataSource() {
 
-    fun getNormalData() = List(20) {
-        CityEntity(
-            "Cairo",
-            "Egypt",
-            MealsPrices(
-                4.07f,
-                20.35f,
-                4.07f
-            ),
-            DrinksPrices(
-                1.75f,
-                0.25f,
-                0.15f,
-                0.82f,
-                0.52f,
-            ),
-            FruitAndVegetablesPrices(
-                7.62f,
-                1.18f,
-                0.66f,
-                0.42f,
-                0.31f,
-                0.34f,
-                0.27f,
-            ),
-            FoodPrices(
-                0.24f,
-                0.22f,
-                8.14f,
-                1.29f,
-                1.99f,
-                2.03f,
-            ),
-            ServicesPrices(
-                0.28f,
-                13.23f,
-                0.41f,
-                0.14f,
-                1.02f,
-                0.4f,
-                21061.16f,
-                21147.47f,
-            ),
-            ClothesPrices(
-                26.53f,
-                0.01f,
-                16.37f,
-                23.44f,
-            ),
-            TransportationsPrices(
-                8.49f,
-                4.48f,
-                146.82f,
-                2909.45f,
-                39.37f,
-                37.51f,
-            ),
-            CarsPrices(
-                89.61f,
-                48.65f,
-            ),
-            RealEstatesPrices(
-                196.83f,
-                117.45f,
-                400.03f,
-                233.92f,
-                549.42f,
-                380.62f
-            ),
-            10.87f,
-            true
-        )
+    val normalFixture = kotlinFixture {
+        nullabilityStrategy(NeverNullStrategy)
+        property(CityEntity::dataQuality) { true }
+        repeatCount { 20 }
     }
 
-    fun getDataWithLowQuality() = List(20) {
-        CityEntity(
-            "Cairo",
-            "Egypt",
-            MealsPrices(
-                4.07f,
-                20.35f,
-                4.07f
-            ),
-            DrinksPrices(
-                1.75f,
-                0.25f,
-                0.15f,
-                0.82f,
-                0.52f,
-            ),
-            FruitAndVegetablesPrices(
-                7.62f,
-                1.18f,
-                0.66f,
-                0.42f,
-                0.31f,
-                0.34f,
-                0.27f,
-            ),
-            FoodPrices(
-                0.24f,
-                0.22f,
-                8.14f,
-                1.29f,
-                1.99f,
-                2.03f,
-            ),
-            ServicesPrices(
-                0.28f,
-                13.23f,
-                0.41f,
-                0.14f,
-                1.02f,
-                0.4f,
-                21061.16f,
-                21147.47f,
-            ),
-            ClothesPrices(
-                26.53f,
-                0.01f,
-                16.37f,
-                23.44f,
-            ),
-            TransportationsPrices(
-                8.49f,
-                4.48f,
-                146.82f,
-                2909.45f,
-                39.37f,
-                37.51f,
-            ),
-            CarsPrices(
-                89.61f,
-                48.65f,
-            ),
-            RealEstatesPrices(
-                196.83f,
-                117.45f,
-                400.03f,
-                233.92f,
-                549.42f,
-                380.62f
-            ),
-            10.87f,
-            false
-        )
+    fun getNormalData() = normalFixture<List<CityEntity>>()
+
+    val nullableFixture = kotlinFixture {
+        property(CityEntity::dataQuality) { true }
+        repeatCount { 20 }
     }
 
-    fun getDataWithNullValues() = List(20) {
-        CityEntity(
-            "Cairo",
-            "Egypt",
-            MealsPrices(
-                4.07f,
-                20.35f,
-                4.07f
-            ),
-            DrinksPrices(
-                null,
-                null,
-                null,
-                0.82f,
-                0.52f,
-            ),
-            FruitAndVegetablesPrices(
-                7.62f,
-                1.18f,
-                0.66f,
-                0.42f,
-                0.31f,
-                0.34f,
-                0.27f,
-            ),
-            FoodPrices(
-                0.24f,
-                0.22f,
-                8.14f,
-                null,
-                null,
-                2.03f,
-            ),
-            ServicesPrices(
-                null,
-                13.23f,
-                0.41f,
-                null,
-                1.02f,
-                0.4f,
-                21061.16f,
-                21147.47f,
-            ),
-            ClothesPrices(
-                null,
-                null,
-                16.37f,
-                23.44f,
-            ),
-            TransportationsPrices(
-                8.49f,
-                4.48f,
-                null,
-                2909.45f,
-                39.37f,
-                37.51f,
-            ),
-            CarsPrices(
-                89.61f,
-                48.65f,
-            ),
-            RealEstatesPrices(
-                null,
-                117.45f,
-                400.03f,
-                null,
-                549.42f,
-                380.62f
-            ),
-            10.87f,
-            true
-        )
+    fun getDataWithNullValues() = nullableFixture<List<CityEntity>>()
+
+    val lowQualityFixture = kotlinFixture {
+        nullabilityStrategy(NeverNullStrategy)
+        property(CityEntity::dataQuality) { false }
+        repeatCount { 20 }
     }
 
+    fun getDataWithLowQuality() = lowQualityFixture<List<CityEntity>>()
 }
\ No newline at end of file

From f460142e23f5daaa068cc4a3e3e97c7b6f023ad7 Mon Sep 17 00:00:00 2001
From: Nour Elden Alaa <nourelden515@gmail.com>
Date: Fri, 10 Feb 2023 16:57:02 +0200
Subject: [PATCH 008/125] implement test cases

---
 src/main/kotlin/Main.kt                       |  2 +-
 ...CheapestApartmentsCitiesNamesInteractor.kt |  8 ++--
 ...pestApartmentsCitiesNamesInteractorTest.kt | 39 ++++++++++++++++++-
 src/test/kotlin/model/FakeDataSource.kt       | 38 ++++++++++++++----
 4 files changed, 75 insertions(+), 12 deletions(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index 7639556a5..4363a4db7 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -14,7 +14,7 @@ fun main() {
     printSeparationLine()
 
     val getCheapestApartmentsCitiesNamesInteractor = GetCheapestApartmentsCitiesNamesInteractor(dataSource)
-    print(getCheapestApartmentsCitiesNamesInteractor.execute(10))
+    println(getCheapestApartmentsCitiesNamesInteractor.execute(10))
     printSeparationLine()
 
     val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
diff --git a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
index c2c57e770..a5c952114 100644
--- a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
@@ -1,11 +1,13 @@
 package interactor
 
+import model.CityEntity
+
 class GetCheapestApartmentsCitiesNamesInteractor(
-    dataSource: CostOfLivingDataSource
+    private val dataSource: CostOfLivingDataSource
 ) {
 
-    fun execute(limit:Int):List<Pair<String,Float>>{
+    fun execute(limit: Int): List<Pair<String, Float>> {
 
-        return emptyList()
+        return emptyList<Pair<String, Float>>()
     }
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
index 41f03b4c7..1f2475c65 100644
--- a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
@@ -1,5 +1,6 @@
 package interactor
 
+import model.CityEntity
 import model.FakeDataSource
 import org.junit.jupiter.api.Test
 
@@ -11,13 +12,49 @@ import org.junit.jupiter.api.TestInstance
 internal class GetCheapestApartmentsCitiesNamesInteractorTest {
 
     private lateinit var fakeData: FakeDataSource
+    private lateinit var getCheapestApartmentsCitiesNamesInteractor: GetCheapestApartmentsCitiesNamesInteractor
 
     @BeforeAll
     fun init() {
         fakeData = FakeDataSource()
+        getCheapestApartmentsCitiesNamesInteractor =
+            GetCheapestApartmentsCitiesNamesInteractor(fakeData)
     }
 
     @Test
-    fun execute() {
+    fun should_ReturnCorrectList_When_EnterValidData() {
+        //Given
+        fakeData.setDataType(FakeDataSource.DataType.VALID)
+
+        //When
+        val list = getCheapestApartmentsCitiesNamesInteractor.execute(10)
+
+        //Then
+        assertTrue(list.size == 10)
+    }
+
+    @Test
+    fun should_ReturnNoValidList_When_EnterNull() {
+        //Given
+        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+
+        //When
+        val list = getCheapestApartmentsCitiesNamesInteractor.execute(10)
+
+        //Then
+        assertTrue(list.isEmpty())
     }
+
+    @Test
+    fun should_ReturnNotValidList_When_EnterLowQualityData() {
+        //Given
+        fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
+
+        //When
+        val list = getCheapestApartmentsCitiesNamesInteractor.execute(10)
+
+        //Then
+        assertTrue(list.isEmpty())
+    }
+
 }
\ No newline at end of file
diff --git a/src/test/kotlin/model/FakeDataSource.kt b/src/test/kotlin/model/FakeDataSource.kt
index ec31fc3ee..63b7602c1 100644
--- a/src/test/kotlin/model/FakeDataSource.kt
+++ b/src/test/kotlin/model/FakeDataSource.kt
@@ -3,29 +3,53 @@ package model
 import com.appmattus.kotlinfixture.decorator.nullability.NeverNullStrategy
 import com.appmattus.kotlinfixture.decorator.nullability.nullabilityStrategy
 import com.appmattus.kotlinfixture.kotlinFixture
+import interactor.CostOfLivingDataSource
 
-class FakeDataSource() {
+class FakeDataSource() : CostOfLivingDataSource {
 
-    val normalFixture = kotlinFixture {
+    enum class DataType{
+        VALID,NULLABLE,LOWQUALITY
+    }
+
+    private var dataType: DataType = DataType.VALID
+    fun setDataType(_dataType: DataType) {
+        this.dataType = _dataType
+    }
+
+    private val normalFixture = kotlinFixture {
         nullabilityStrategy(NeverNullStrategy)
         property(CityEntity::dataQuality) { true }
         repeatCount { 20 }
     }
 
-    fun getNormalData() = normalFixture<List<CityEntity>>()
+    private fun getNormalData() = normalFixture<List<CityEntity>>()
 
-    val nullableFixture = kotlinFixture {
+    private val nullableFixture = kotlinFixture {
         property(CityEntity::dataQuality) { true }
         repeatCount { 20 }
     }
 
-    fun getDataWithNullValues() = nullableFixture<List<CityEntity>>()
+    private fun getDataWithNullValues() = nullableFixture<List<CityEntity>>()
 
-    val lowQualityFixture = kotlinFixture {
+    private val lowQualityFixture = kotlinFixture {
         nullabilityStrategy(NeverNullStrategy)
         property(CityEntity::dataQuality) { false }
         repeatCount { 20 }
     }
 
-    fun getDataWithLowQuality() = lowQualityFixture<List<CityEntity>>()
+    private fun getDataWithLowQuality() = lowQualityFixture<List<CityEntity>>()
+
+    override fun getAllCitiesData(): List<CityEntity> {
+        return when (dataType) {
+            DataType.VALID -> {
+                getNormalData()
+            }
+            DataType.NULLABLE -> {
+                getDataWithNullValues()
+            }
+            DataType.LOWQUALITY -> {
+                getDataWithLowQuality()
+            }
+        }
+    }
 }
\ No newline at end of file

From dd4f343b16ef95f13a4a777664c1f02fadb7355f Mon Sep 17 00:00:00 2001
From: mahmoud <mahmouddeif91@gmail.com>
Date: Fri, 10 Feb 2023 18:49:05 +0200
Subject: [PATCH 009/125] I created a new class for the task of the five best
 cities to buy clothes

---
 .idea/gradle.xml | 1 -
 build.gradle.kts | 2 +-
 local.properties | 4 ++--
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 249bb1173..0be34f916 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -7,7 +7,6 @@
         <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="Embedded JDK" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/build.gradle.kts b/build.gradle.kts
index 0eb654b68..e97e1fab9 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -14,7 +14,7 @@ repositories {
 
 dependencies {
     testImplementation(kotlin("test"))
-    androidTestImplementation("org.junit.jupiter:junit-jupiter")
+    testImplementation("org.junit.jupiter:junit-jupiter")
 }
 
 tasks.test {
diff --git a/local.properties b/local.properties
index 663e5ab69..87b879c21 100644
--- a/local.properties
+++ b/local.properties
@@ -4,5 +4,5 @@
 # Location of the SDK. This is only used by Gradle.
 # For customization when using a Version Control System, please read the
 # header note.
-#Mon Feb 06 19:57:21 EET 2023
-sdk.dir=C\:\\Users\\Bg\\AppData\\Local\\Android\\Sdk
+#Fri Feb 10 18:25:10 EET 2023
+sdk.dir=C\:\\Users\\M-Deif\\AppData\\Local\\Android\\Sdk

From a96ddd0f2fab09dfa2332c72948e9089509a2c3b Mon Sep 17 00:00:00 2001
From: Menna Akram <mennaakram976@gmail.com>
Date: Fri, 10 Feb 2023 19:01:51 +0200
Subject: [PATCH 010/125] Add class
 GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor

---
 ...aveTheAverageOfFruitsAndVegetablesPricesInteractor.kt | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt

diff --git a/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt b/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
new file mode 100644
index 000000000..4811fa9c0
--- /dev/null
+++ b/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
@@ -0,0 +1,9 @@
+package interactor
+
+class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor
+    (private val dataSource: CostOfLivingDataSource){
+
+        fun execute(limit: Int): List<String> {
+            return emptyList()
+        }
+}
\ No newline at end of file

From ebc36081ad28640204a5c1eec99e8794b35db736 Mon Sep 17 00:00:00 2001
From: mahmoud <mahmouddeif91@gmail.com>
Date: Fri, 10 Feb 2023 19:03:02 +0200
Subject: [PATCH 011/125] I created test class for function task of the five
 best cities to buy clothes

---
 ...rShoppingClothesFromFamousBrandsInteractorTest.kt | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 src/test/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest.kt

diff --git a/src/test/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest.kt b/src/test/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest.kt
new file mode 100644
index 000000000..f73c0dd9d
--- /dev/null
+++ b/src/test/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest.kt
@@ -0,0 +1,12 @@
+package interactor
+
+import org.junit.jupiter.api.Test
+
+import org.junit.jupiter.api.Assertions.*
+
+internal class GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest {
+
+    @Test
+    fun execute() {
+    }
+}
\ No newline at end of file

From 9cded713e1ccb947cc42ddb20b3bfaaade695440 Mon Sep 17 00:00:00 2001
From: mahmoud <mahmouddeif91@gmail.com>
Date: Fri, 10 Feb 2023 19:03:41 +0200
Subject: [PATCH 012/125] I created test class for function task of the five
 best cities to buy clothes

---
 ...esForShoppingClothesFromFamousBrandsInteractor.kt | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 src/main/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt

diff --git a/src/main/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt b/src/main/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt
new file mode 100644
index 000000000..27afa89bd
--- /dev/null
+++ b/src/main/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt
@@ -0,0 +1,12 @@
+package interactor
+
+class GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor(
+    private val dataSource: CostOfLivingDataSource,
+) {
+
+    fun execute(limit: Int): List<String> {
+
+    }
+
+
+}
\ No newline at end of file

From 234082b27d1be627ecf84d81f7fba03f40ff564f Mon Sep 17 00:00:00 2001
From: Menna Akram <mennaakram976@gmail.com>
Date: Fri, 10 Feb 2023 19:08:59 +0200
Subject: [PATCH 013/125] Add class
 GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest

---
 ...eTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt

diff --git a/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt b/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
new file mode 100644
index 000000000..e7b660607
--- /dev/null
+++ b/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
@@ -0,0 +1,7 @@
+package interactor
+
+import org.junit.jupiter.api.Assertions.*
+
+internal class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest(){
+
+}
\ No newline at end of file

From 1ff30edc84b03427a2fdb61f3ccad4d4f7e5ab8a Mon Sep 17 00:00:00 2001
From: kareem eldeen esam <kareemesam52@yahoo.com>
Date: Fri, 10 Feb 2023 22:42:38 +0200
Subject: [PATCH 014/125] add class GetHighestCarbonatedDrinksPricesInteractor
 with test

---
 .../GetHighestCarbonatedDrinksPricesInteractor.kt          | 7 +++++++
 .../GetHighestCarbonatedDrinksPricesInteractorTest.kt      | 7 +++++++
 2 files changed, 14 insertions(+)
 create mode 100644 src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
 create mode 100644 src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt

diff --git a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
new file mode 100644
index 000000000..e2f62c599
--- /dev/null
+++ b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
@@ -0,0 +1,7 @@
+package interactor
+
+class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfLivingDataSource)
+{
+
+
+}
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
new file mode 100644
index 000000000..bc059994a
--- /dev/null
+++ b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
@@ -0,0 +1,7 @@
+package interactor
+
+import org.junit.jupiter.api.Assertions.*
+
+class GetHighestCarbonatedDrinksPricesInteractorTest(){
+
+}
\ No newline at end of file

From 37203237e423be2f12a8ad0e33ef5606a1ce35f7 Mon Sep 17 00:00:00 2001
From: nahedshehata <109394234+nahedshehata@users.noreply.github.com>
Date: Fri, 10 Feb 2023 23:36:44 +0200
Subject: [PATCH 015/125] Add Class GetCityNameAndSalrayAverageInteractor

---
 build.gradle.kts                                     |  4 +++-
 local.properties                                     |  4 ++--
 ...GetCityHasCheapestInternetConnectionInteractor.kt |  3 +--
 .../GetCityNameAndSalrayAverageInteractor.kt         | 10 ++++++++++
 .../GetCityNameAndSalrayAverageInteractorTest.kt     | 12 ++++++++++++
 5 files changed, 28 insertions(+), 5 deletions(-)
 create mode 100644 src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
 create mode 100644 src/test/kotlin/interactor/GetCityNameAndSalrayAverageInteractorTest.kt

diff --git a/build.gradle.kts b/build.gradle.kts
index e97e1fab9..6d17adca0 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -13,8 +13,10 @@ repositories {
 }
 
 dependencies {
+    implementation("org.junit.jupiter:junit-jupiter:5.4.2")
+    testImplementation("com.appmattus.fixture:fixture:1.2.0")
     testImplementation(kotlin("test"))
-    testImplementation("org.junit.jupiter:junit-jupiter")
+
 }
 
 tasks.test {
diff --git a/local.properties b/local.properties
index 663e5ab69..bc5d06f2f 100644
--- a/local.properties
+++ b/local.properties
@@ -4,5 +4,5 @@
 # Location of the SDK. This is only used by Gradle.
 # For customization when using a Version Control System, please read the
 # header note.
-#Mon Feb 06 19:57:21 EET 2023
-sdk.dir=C\:\\Users\\Bg\\AppData\\Local\\Android\\Sdk
+#Fri Feb 10 21:51:47 EET 2023
+sdk.dir=C\:\\Users\\computer\\AppData\\Local\\Android\\Sdk
diff --git a/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt b/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt
index f7c4ec816..d5603b5bd 100644
--- a/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt
+++ b/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt
@@ -3,8 +3,7 @@ package interactor
 import model.CityEntity
 
 class GetCityHasCheapestInternetConnectionInteractor(
-    private val dataSource: CostOfLivingDataSource,
-) {
+    private val dataSource: CostOfLivingDataSource, ) {
 
     fun execute(): CityEntity{
         throw Throwable("Not Implemented yet")
diff --git a/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt b/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
new file mode 100644
index 000000000..ace0c0799
--- /dev/null
+++ b/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
@@ -0,0 +1,10 @@
+package interactor
+
+class GetCityNameAndSalrayAverageInteractor() {
+
+
+    fun getcityandsalary(): List<Pair<String, Float>> {
+
+        return emptyList<Pair<String, Float>>()
+    }
+}
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCityNameAndSalrayAverageInteractorTest.kt b/src/test/kotlin/interactor/GetCityNameAndSalrayAverageInteractorTest.kt
new file mode 100644
index 000000000..527116a83
--- /dev/null
+++ b/src/test/kotlin/interactor/GetCityNameAndSalrayAverageInteractorTest.kt
@@ -0,0 +1,12 @@
+package interactor
+
+import org.junit.jupiter.api.Assertions.*
+
+import org.junit.jupiter.api.Test
+
+internal class GetCityNameAndSalrayAverageInteractorTest {
+
+    @Test
+    fun getcityandsalary() {
+    }
+}
\ No newline at end of file

From 0f30c0838b058db5961d6210560201af5824d356 Mon Sep 17 00:00:00 2001
From: Menna Akram <mennaakram976@gmail.com>
Date: Sat, 11 Feb 2023 01:56:33 +0200
Subject: [PATCH 016/125] add test cases

---
 ...geOfFruitsAndVegetablesPricesInteractor.kt |  2 +-
 ...FruitsAndVegetablesPricesInteractorTest.kt | 46 ++++++++++++++++++-
 2 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt b/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
index 4811fa9c0..8398b4ff0 100644
--- a/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
@@ -3,7 +3,7 @@ package interactor
 class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor
     (private val dataSource: CostOfLivingDataSource){
 
-        fun execute(limit: Int): List<String> {
+        fun execute(): List<String> {
             return emptyList()
         }
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt b/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
index e7b660607..b4181d1f3 100644
--- a/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
@@ -1,7 +1,51 @@
 package interactor
 
+import model.CityEntity
+import model.FakeDataSource
 import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
 
-internal class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest(){
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+internal class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest{
 
+   private lateinit var getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor:
+            GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor
+   private lateinit var fakeData: FakeDataSource
+    @BeforeAll
+    fun setup() {
+        fakeData = FakeDataSource()
+        getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor =
+            GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor(fakeData)
+    }
+    @Test
+    fun should_ReturnTheTenCitiesName_When_TheDataIsValid() {
+        //given
+        fakeData.setDataType(FakeDataSource.DataType.VALID)
+        //When
+        val result = getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.execute()
+        //Then
+        assertTrue(result.size == 10)
+    }
+
+    @Test
+    fun should_ReturnTheTenCitiesName_When_TheDataIsNull() {
+        //given
+        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+        //When
+        val result = getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.execute()
+        //Then
+        assertTrue(result.isEmpty())
+    }
+
+    @Test
+    fun should_ReturnTheTenCitiesName_When_TheDataIsLowQuality() {
+        //given
+        fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
+        //When
+        val result = getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.execute()
+        //Then
+        assertTrue(result.isEmpty())
+    }
 }
\ No newline at end of file

From 6928fa06a721d14bb322533c96e0f0fb81db2691 Mon Sep 17 00:00:00 2001
From: Menna Akram <mennaakram976@gmail.com>
Date: Sat, 11 Feb 2023 03:09:28 +0200
Subject: [PATCH 017/125] add implementation for the logic

---
 ...geOfFruitsAndVegetablesPricesInteractor.kt | 34 +++++++++++++++++--
 ...FruitsAndVegetablesPricesInteractorTest.kt |  9 -----
 2 files changed, 31 insertions(+), 12 deletions(-)

diff --git a/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt b/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
index 8398b4ff0..4fd388f4c 100644
--- a/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
@@ -1,9 +1,37 @@
 package interactor
 
 class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor
-    (private val dataSource: CostOfLivingDataSource){
+    (private val dataSource: CostOfLivingDataSource) {
 
-        fun execute(): List<String> {
-            return emptyList()
+    fun execute(): List<String> {
+        val list = dataSource.getAllCitiesData()
+            .filter {
+                it.averageMonthlyNetSalaryAfterTax != null &&
+                        it.fruitAndVegetablesPrices.apples1kg != null &&
+                        it.fruitAndVegetablesPrices.banana1kg != null &&
+                        it.fruitAndVegetablesPrices.lettuceOneHead != null &&
+                        it.fruitAndVegetablesPrices.onion1kg != null &&
+                        it.fruitAndVegetablesPrices.tomato1kg != null &&
+                        it.fruitAndVegetablesPrices.potato1kg != null &&
+                        it.fruitAndVegetablesPrices.oranges1kg != null
+            }
+
+        var sum = 0f
+        for (city in list) {
+            with(city.fruitAndVegetablesPrices) {
+                sum += apples1kg!! + banana1kg!! + lettuceOneHead!! +
+                        onion1kg!! + tomato1kg!! + potato1kg!! + oranges1kg!!
+            }
         }
+
+        val average = sum / (7 * list.size)
+
+        val salariesThatLessThanAverage = list
+            .filter { it.averageMonthlyNetSalaryAfterTax!! > average }
+            .sortedBy { it.averageMonthlyNetSalaryAfterTax }
+            .take(10)
+            .map { it.cityName }
+
+        return salariesThatLessThanAverage
+    }
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt b/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
index b4181d1f3..2857b7511 100644
--- a/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
@@ -39,13 +39,4 @@ internal class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTe
         assertTrue(result.isEmpty())
     }
 
-    @Test
-    fun should_ReturnTheTenCitiesName_When_TheDataIsLowQuality() {
-        //given
-        fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
-        //When
-        val result = getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.execute()
-        //Then
-        assertTrue(result.isEmpty())
-    }
 }
\ No newline at end of file

From a99fc8f153958445d129c936db57279739eb91a5 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sat, 11 Feb 2023 12:33:33 +0200
Subject: [PATCH 018/125] setup GetCheapestBananaPricesCitiesNamesInteractor
 setup the class and functions to be tested

---
 src/main/kotlin/Main.kt                               | 11 +++++++----
 .../GetCheapestBananaPricesCitiesNamesInteractor.kt   |  6 +++++-
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index 4363a4db7..d7f5201cd 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -1,9 +1,6 @@
 import dataSource.CsvDataSource
 import dataSource.utils.CsvParser
-import interactor.CostOfLivingDataSource
-import interactor.GetCheapestApartmentsCitiesNamesInteractor
-import interactor.GetCityHasCheapestInternetConnectionInteractor
-import interactor.GetHighestSalaryAverageCititesNamesInteractor
+import interactor.*
 
 fun main() {
     val csvParser = CsvParser()
@@ -19,6 +16,12 @@ fun main() {
 
     val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
     println(getCityHasCheapestInternetConnectionInteractor.execute())
+    printSeparationLine()
+
+    val getCheapestBananaPricesCitiesNamesInteractor=GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
+    getCheapestBananaPricesCitiesNamesInteractor.apply {
+       println(execute(*getCitiesVarArgs()))
+    }
 
 }
 private fun printSeparationLine(){
diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index a9e500cdc..ed2eb4c19 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -6,7 +6,11 @@ class GetCheapestBananaPricesCitiesNamesInteractor(
     private val dataSource: CostOfLivingDataSource
 ) {
 
+    fun getCitiesVarArgs(): Array<CityEntity> {
+        return dataSource.getAllCitiesData().toTypedArray()
+    }
+
     fun execute(vararg cityEntities: CityEntity): List<String> {
-        throw Throwable("Not Implemented yet")
+    throw Throwable("Not Implemented yet")
     }
 }
\ No newline at end of file

From b95e1a30801e36e02a9c6477c01ecda3352e0b00 Mon Sep 17 00:00:00 2001
From: kareem eldeen esam <kareemesam52@yahoo.com>
Date: Sat, 11 Feb 2023 14:05:06 +0200
Subject: [PATCH 019/125] add some test cases

---
 .idea/.name                                   |  1 +
 .idea/kotlinc.xml                             |  6 +++
 .idea/misc.xml                                |  2 +-
 build.gradle.kts                              |  3 +-
 local.properties                              |  4 +-
 ...HighestCarbonatedDrinksPricesInteractor.kt | 12 ++++-
 ...estCarbonatedDrinksPricesInteractorTest.kt | 49 +++++++++++++++++++
 7 files changed, 72 insertions(+), 5 deletions(-)
 create mode 100644 .idea/.name
 create mode 100644 .idea/kotlinc.xml

diff --git a/.idea/.name b/.idea/.name
new file mode 100644
index 000000000..e886c3ac4
--- /dev/null
+++ b/.idea/.name
@@ -0,0 +1 @@
+Cost-of-living-app
\ No newline at end of file
diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
new file mode 100644
index 000000000..568bea16e
--- /dev/null
+++ b/.idea/kotlinc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="KotlinJpsPluginSettings">
+    <option name="version" value="1.6.20" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 62269dfc3..4e20194ae 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_18" project-jdk-name="11" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
index e97e1fab9..317f7a055 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -14,7 +14,8 @@ repositories {
 
 dependencies {
     testImplementation(kotlin("test"))
-    testImplementation("org.junit.jupiter:junit-jupiter")
+    testImplementation("com.appmattus.fixture:fixture:1.2.0")
+    implementation("org.junit.jupiter:junit-jupiter:5.4.2")
 }
 
 tasks.test {
diff --git a/local.properties b/local.properties
index 663e5ab69..810a674f9 100644
--- a/local.properties
+++ b/local.properties
@@ -4,5 +4,5 @@
 # Location of the SDK. This is only used by Gradle.
 # For customization when using a Version Control System, please read the
 # header note.
-#Mon Feb 06 19:57:21 EET 2023
-sdk.dir=C\:\\Users\\Bg\\AppData\\Local\\Android\\Sdk
+#Fri Feb 10 23:10:31 EET 2023
+sdk.dir=C\:\\Users\\kareem\\AppData\\Local\\Android\\Sdk
diff --git a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
index e2f62c599..8dcbd5f0c 100644
--- a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
@@ -1,7 +1,17 @@
 package interactor
 
+import model.CityEntity
+
+
+
+
+
 class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfLivingDataSource)
 {
+    fun execute () : List<Pair<String,Double>> {
 
-
+      var city : Pair<String,Double> = Pair(dataSource.getAllCitiesData().get(0).toString(),dataSource.getAllCitiesData().get(2).drinksPrices.toString().toDouble())
+        val listofcities : MutableList<Pair<String,Double>> = mutableListOf(city)
+        return listofcities
+    }
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
index bc059994a..4be89e7a8 100644
--- a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
@@ -1,7 +1,56 @@
 package interactor
 
+
+import model.CityEntity
 import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.TestInstance
+import model.FakeDataSource
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.Test
 
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
 class GetHighestCarbonatedDrinksPricesInteractorTest(){
 
+    private lateinit var fakeData : FakeDataSource
+    private lateinit var getHighestCarbonatedDrinksPricesInteractor: GetHighestCarbonatedDrinksPricesInteractor
+    @BeforeAll
+    fun first(){
+        fakeData = FakeDataSource()
+        getHighestCarbonatedDrinksPricesInteractor = GetHighestCarbonatedDrinksPricesInteractor(fakeData)
+    }
+
+    @Test
+    fun should_return_listOfPairs_When_Data_Valid(){
+        //given
+        val listofPairs = getHighestCarbonatedDrinksPricesInteractor.execute()
+        //when
+        fakeData.setDataType(FakeDataSource.DataType.VALID)
+        //then
+        assertTrue(listofPairs.size ==10)
+    }
+
+    @Test
+    fun should_return_Null_When_Data_LowQuality(){
+        //given
+        val listofPairs = getHighestCarbonatedDrinksPricesInteractor.execute()
+        //when
+        fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
+        //then
+        assertTrue(listofPairs.isEmpty())
+    }
+
+    @Test
+    fun should_return_Null_When_Data_NotFound(){
+        //given
+        val listofPairs = getHighestCarbonatedDrinksPricesInteractor.execute()
+        //when
+        fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
+        //then
+        assertTrue(listofPairs.isEmpty())
+    }
+
+
+
+
+
 }
\ No newline at end of file

From 9383c89b57d37388d6083a63a7d906558dc2ff97 Mon Sep 17 00:00:00 2001
From: Nour Elden Alaa <nourelden515@gmail.com>
Date: Sat, 11 Feb 2023 15:51:06 +0200
Subject: [PATCH 020/125] implement function execute()

add execute() function implementation and some other helper functions.
---
 ...CheapestApartmentsCitiesNamesInteractor.kt | 48 ++++++++++++++++++-
 ...pestApartmentsCitiesNamesInteractorTest.kt | 11 ++---
 src/test/kotlin/model/FakeDataSource.kt       | 10 +++-
 3 files changed, 60 insertions(+), 9 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
index a5c952114..7c4a5c60a 100644
--- a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
@@ -8,6 +8,52 @@ class GetCheapestApartmentsCitiesNamesInteractor(
 
     fun execute(limit: Int): List<Pair<String, Float>> {
 
-        return emptyList<Pair<String, Float>>()
+        val data = dataSource.getAllCitiesData()
+            .filter(::excludeNullSalariesAndNullPricesAndLowQualityData)
+            .sortingWithBestPrice()
+            .take(limit)
+            .getNumberOfYears()
+
+        return if (data.isEmpty()) {
+            listOf(Pair("No Valid Data Found !", 0.0f))
+        } else {
+            data
+        }
+    }
+
+    private fun excludeNullSalariesAndNullPricesAndLowQualityData(city: CityEntity): Boolean {
+        return city.averageMonthlyNetSalaryAfterTax != null &&
+                city.dataQuality &&
+                city.realEstatesPrices.pricePerSquareMeterToBuyApartmentOutsideOfCentre != null
+    }
+
+    /**
+     * Sort the list with the ratio between monthly salary and squareMeter's price.
+     * @return sorted List<CityEntity>
+     */
+    private fun List<CityEntity>.sortingWithBestPrice(): List<CityEntity> {
+        return this.sortedByDescending {
+            (it.averageMonthlyNetSalaryAfterTax?.div(
+                it.realEstatesPrices.pricePerSquareMeterToBuyApartmentOutsideOfCentre!!
+            ))
+        }
+    }
+
+    /**
+     * Calculate how many years needed to buy 100meter apartment outSide center of the city
+     * depending on monthly salary and squareMeter's price.
+     * @return new list of <Pair<String, Float>>
+     */
+    private fun List<CityEntity>.getNumberOfYears(): List<Pair<String, Float>> {
+        val newList = mutableListOf<Pair<String, Float>>()
+        var numberOfYears: Float
+        this.forEach {
+            numberOfYears =
+                (it.realEstatesPrices.pricePerSquareMeterToBuyApartmentOutsideOfCentre?.times(100))?.div(
+                    (it.averageMonthlyNetSalaryAfterTax!! * 12)
+                )!!
+            newList.add(Pair(it.cityName, numberOfYears))
+        }
+        return newList
     }
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
index 1f2475c65..0f1fc606e 100644
--- a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
@@ -1,11 +1,10 @@
 package interactor
 
-import model.CityEntity
 import model.FakeDataSource
-import org.junit.jupiter.api.Test
-
-import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.TestInstance
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
@@ -42,7 +41,7 @@ internal class GetCheapestApartmentsCitiesNamesInteractorTest {
         val list = getCheapestApartmentsCitiesNamesInteractor.execute(10)
 
         //Then
-        assertTrue(list.isEmpty())
+        assertEquals(listOf(Pair("No Valid Data Found !", 0.0f)),list)
     }
 
     @Test
@@ -54,7 +53,7 @@ internal class GetCheapestApartmentsCitiesNamesInteractorTest {
         val list = getCheapestApartmentsCitiesNamesInteractor.execute(10)
 
         //Then
-        assertTrue(list.isEmpty())
+        assertEquals(listOf(Pair("No Valid Data Found !", 0.0f)),list)
     }
 
 }
\ No newline at end of file
diff --git a/src/test/kotlin/model/FakeDataSource.kt b/src/test/kotlin/model/FakeDataSource.kt
index 63b7602c1..5f4f8deec 100644
--- a/src/test/kotlin/model/FakeDataSource.kt
+++ b/src/test/kotlin/model/FakeDataSource.kt
@@ -1,5 +1,6 @@
 package model
 
+import com.appmattus.kotlinfixture.decorator.nullability.AlwaysNullStrategy
 import com.appmattus.kotlinfixture.decorator.nullability.NeverNullStrategy
 import com.appmattus.kotlinfixture.decorator.nullability.nullabilityStrategy
 import com.appmattus.kotlinfixture.kotlinFixture
@@ -7,8 +8,8 @@ import interactor.CostOfLivingDataSource
 
 class FakeDataSource() : CostOfLivingDataSource {
 
-    enum class DataType{
-        VALID,NULLABLE,LOWQUALITY
+    enum class DataType {
+        VALID, NULLABLE, LOWQUALITY
     }
 
     private var dataType: DataType = DataType.VALID
@@ -25,6 +26,7 @@ class FakeDataSource() : CostOfLivingDataSource {
     private fun getNormalData() = normalFixture<List<CityEntity>>()
 
     private val nullableFixture = kotlinFixture {
+        nullabilityStrategy(AlwaysNullStrategy)
         property(CityEntity::dataQuality) { true }
         repeatCount { 20 }
     }
@@ -39,6 +41,10 @@ class FakeDataSource() : CostOfLivingDataSource {
 
     private fun getDataWithLowQuality() = lowQualityFixture<List<CityEntity>>()
 
+    /**
+     * retrieve data from FakeDataSource depending on the type needed
+     * @return List<CityEntity>
+     */
     override fun getAllCitiesData(): List<CityEntity> {
         return when (dataType) {
             DataType.VALID -> {

From 96d49f9b354b0f79faf36f2d3f24dac2df75c786 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sat, 11 Feb 2023 17:19:56 +0200
Subject: [PATCH 021/125] add kotlin fixture dependency

---
 build.gradle.kts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/build.gradle.kts b/build.gradle.kts
index e97e1fab9..f826fcc08 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -14,6 +14,7 @@ repositories {
 
 dependencies {
     testImplementation(kotlin("test"))
+    testImplementation("com.appmattus.fixture:fixture:1.2.0")
     testImplementation("org.junit.jupiter:junit-jupiter")
 }
 

From 0dff7a36a5fc54abcd5480de51f101ac2bed4245 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sat, 11 Feb 2023 18:16:41 +0200
Subject: [PATCH 022/125] add GetCheapestBananaPricesCitiesNamesInteractor test
 cases

---
 ...stBananaPricesCitiesNamesInteractorTest.kt | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index 77cc6d47c..47595a1f7 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -1,7 +1,78 @@
 package interactor
 
+import model.FakeDataSource
 import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
 
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
 internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
 
+    private lateinit var fakeData: FakeDataSource
+    private lateinit var getCheapestBananaPricesCitiesNamesInteractor: GetCheapestBananaPricesCitiesNamesInteractor
+
+    @BeforeAll
+    fun init() {
+        fakeData = FakeDataSource()
+        getCheapestBananaPricesCitiesNamesInteractor =
+            GetCheapestBananaPricesCitiesNamesInteractor(fakeData)
+    }
+
+    @Test
+    fun should_ReturnCorrectList_When_EnterValidData() {
+        //Given
+        fakeData.setDataType(FakeDataSource.DataType.VALID)
+
+        //When
+        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
+            execute(*getCitiesVarArgs())
+        }
+
+        //Then
+        assertTrue(list.size == 20)
+    }
+
+    @Test
+    fun should_ReturnEmptyList_When_EnterNullForAllBananaPrices() {
+        //Given
+        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+
+        //When
+        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
+            execute(*getCitiesVarArgs())
+        }
+
+        //Then
+        assertTrue(list.isEmpty())
+    }
+
+    @Test
+    fun should_ReturnListHasNoNulls_When_EnterNullForSomeBananaPrices() {
+        //Given
+        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+
+        //When
+        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
+            execute(*getCitiesVarArgs())
+        }
+
+        //Then
+        assertTrue(list.size < 20)
+    }
+
+    @Test
+    fun should_ReturnEmptyList_When_EnterNoData() {
+        //Given
+        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+
+        //When
+        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
+            execute(*getCitiesVarArgs())
+        }
+
+        //Then
+        assertTrue(list.isEmpty())
+    }
+
 }
\ No newline at end of file

From 075827d00e29ceb67fe373b36e1e0ceb0906afcd Mon Sep 17 00:00:00 2001
From: kareem eldeen esam <kareemesam52@yahoo.com>
Date: Sat, 11 Feb 2023 22:15:09 +0200
Subject: [PATCH 023/125] implemented execute function

---
 ...HighestCarbonatedDrinksPricesInteractor.kt | 37 +++++++++++++++----
 1 file changed, 30 insertions(+), 7 deletions(-)

diff --git a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
index 8dcbd5f0c..a22ba0a39 100644
--- a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
@@ -1,17 +1,40 @@
 package interactor
 
 import model.CityEntity
+import model.DrinksPrices
 
 
+class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfLivingDataSource)
+{
+    fun execute () : List<Pair<String,Float>> {
 
+      val city : List<CityEntity> = dataSource.getAllCitiesData().filter { nullDrinks(it) }
+          val listOfCities  = sortingDescending(city)
+        return pricesAvg(listOfCities)
+    }
+}
+private fun nullDrinks (cityEntity: CityEntity):Boolean =
+            cityEntity.drinksPrices.cappuccinoRegularInRestaurants != null &&
+            cityEntity.drinksPrices.milkRegularOneLiter !=null &&
+            cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants !=null &&
+            cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants !=null &&
+            cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket !=null
 
 
-class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfLivingDataSource)
-{
-    fun execute () : List<Pair<String,Double>> {
+private fun sortingDescending(list: List<CityEntity>) =
+    list.sortedBy { avgPriceForASingleCity(it) }.take(10)
+
 
-      var city : Pair<String,Double> = Pair(dataSource.getAllCitiesData().get(0).toString(),dataSource.getAllCitiesData().get(2).drinksPrices.toString().toDouble())
-        val listofcities : MutableList<Pair<String,Double>> = mutableListOf(city)
-        return listofcities
+
+private fun pricesAvg (list: List<CityEntity>) : List<Pair<String,Float>>{
+    val finalList : MutableList<Pair<String,Float>>
+    var avgPrice : Float
+    list.forEach {
+        avgPrice = avgPriceForASingleCity(it)
+        finalList.add(Pair(it.country,avgPrice))
     }
-}
\ No newline at end of file
+    return finalList
+}
+
+private fun avgPriceForASingleCity(cityEntity: CityEntity) = cityEntity.drinksPrices.milkRegularOneLiter!! + cityEntity.drinksPrices.cappuccinoRegularInRestaurants!! +
+        cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket!! + cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants!!+ cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants!!
\ No newline at end of file

From b6c5c4a9fb99230142ca723da9cf30e976b6bb26 Mon Sep 17 00:00:00 2001
From: Nour Elden Alaa <nourelden515@gmail.com>
Date: Sun, 12 Feb 2023 13:28:58 +0200
Subject: [PATCH 024/125] code enhancements.

---
 src/main/kotlin/Main.kt                       |  7 ++++--
 ...CheapestApartmentsCitiesNamesInteractor.kt |  2 +-
 ...pestApartmentsCitiesNamesInteractorTest.kt |  8 +++---
 src/test/kotlin/model/FakeDataSource.kt       | 25 +++++++++++++++++--
 4 files changed, 33 insertions(+), 9 deletions(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index d7f5201cd..2c37adf2f 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -11,7 +11,9 @@ fun main() {
     printSeparationLine()
 
     val getCheapestApartmentsCitiesNamesInteractor = GetCheapestApartmentsCitiesNamesInteractor(dataSource)
-    println(getCheapestApartmentsCitiesNamesInteractor.execute(10))
+    getCheapestApartmentsCitiesNamesInteractor.execute(10).forEach {
+        println("Number of years needed to buy a 100m apartment in ${it.first} city is : " + "%.2f".format(it.second))
+    }
     printSeparationLine()
 
     val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
@@ -24,7 +26,8 @@ fun main() {
     }
 
 }
-private fun printSeparationLine(){
+
+private fun printSeparationLine() {
     print("\n_______________________________\n")
 }
 
diff --git a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
index 7c4a5c60a..e06c435e1 100644
--- a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
@@ -15,7 +15,7 @@ class GetCheapestApartmentsCitiesNamesInteractor(
             .getNumberOfYears()
 
         return if (data.isEmpty()) {
-            listOf(Pair("No Valid Data Found !", 0.0f))
+            listOf(Pair("Couldn't find Cities that meet your requirements :(", 0.0f))
         } else {
             data
         }
diff --git a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
index 0f1fc606e..bf5bed68d 100644
--- a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
@@ -28,8 +28,8 @@ internal class GetCheapestApartmentsCitiesNamesInteractorTest {
         //When
         val list = getCheapestApartmentsCitiesNamesInteractor.execute(10)
 
-        //Then
-        assertTrue(list.size == 10)
+        //Then -return 10 items of the list sorted ascending by years
+        assertTrue(list.size == 10 && list == list.sortedBy { it.second })
     }
 
     @Test
@@ -41,7 +41,7 @@ internal class GetCheapestApartmentsCitiesNamesInteractorTest {
         val list = getCheapestApartmentsCitiesNamesInteractor.execute(10)
 
         //Then
-        assertEquals(listOf(Pair("No Valid Data Found !", 0.0f)),list)
+        assertEquals(listOf(Pair("Couldn't find Cities that meet your requirements :(", 0.0f)), list)
     }
 
     @Test
@@ -53,7 +53,7 @@ internal class GetCheapestApartmentsCitiesNamesInteractorTest {
         val list = getCheapestApartmentsCitiesNamesInteractor.execute(10)
 
         //Then
-        assertEquals(listOf(Pair("No Valid Data Found !", 0.0f)),list)
+        assertEquals(listOf(Pair("Couldn't find Cities that meet your requirements :(", 0.0f)), list)
     }
 
 }
\ No newline at end of file
diff --git a/src/test/kotlin/model/FakeDataSource.kt b/src/test/kotlin/model/FakeDataSource.kt
index 5f4f8deec..66c662094 100644
--- a/src/test/kotlin/model/FakeDataSource.kt
+++ b/src/test/kotlin/model/FakeDataSource.kt
@@ -9,7 +9,7 @@ import interactor.CostOfLivingDataSource
 class FakeDataSource() : CostOfLivingDataSource {
 
     enum class DataType {
-        VALID, NULLABLE, LOWQUALITY
+        VALID, NULLABLE, LOWQUALITY, MIXTURE
     }
 
     private var dataType: DataType = DataType.VALID
@@ -23,6 +23,9 @@ class FakeDataSource() : CostOfLivingDataSource {
         repeatCount { 20 }
     }
 
+    /**
+     * @return data that have high dataQuality and no null values.
+     */
     private fun getNormalData() = normalFixture<List<CityEntity>>()
 
     private val nullableFixture = kotlinFixture {
@@ -31,6 +34,9 @@ class FakeDataSource() : CostOfLivingDataSource {
         repeatCount { 20 }
     }
 
+    /**
+     * @return data that have high dataQuality and null values.
+     */
     private fun getDataWithNullValues() = nullableFixture<List<CityEntity>>()
 
     private val lowQualityFixture = kotlinFixture {
@@ -39,10 +45,22 @@ class FakeDataSource() : CostOfLivingDataSource {
         repeatCount { 20 }
     }
 
+    /**
+     * @return list of CityEntity that have low dataQuality and no null values.
+     */
     private fun getDataWithLowQuality() = lowQualityFixture<List<CityEntity>>()
 
+    private val mixedFixture = kotlinFixture {
+        repeatCount { 20 }
+    }
+
+    /**
+     * @return list of CityEntity that have mixture of all values.
+     */
+    private fun getMixedData() = mixedFixture<List<CityEntity>>()
+
     /**
-     * retrieve data from FakeDataSource depending on the type needed
+     * retrieve data from FakeDataSource depending on the needed type
      * @return List<CityEntity>
      */
     override fun getAllCitiesData(): List<CityEntity> {
@@ -56,6 +74,9 @@ class FakeDataSource() : CostOfLivingDataSource {
             DataType.LOWQUALITY -> {
                 getDataWithLowQuality()
             }
+            DataType.MIXTURE -> {
+                getMixedData()
+            }
         }
     }
 }
\ No newline at end of file

From 3eac61e7e54c4c151226b9d7c01aab7ede1277fc Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 13:38:01 +0200
Subject: [PATCH 025/125] add test cases change model package name to
 dataSource

---
 src/test/kotlin/{model => dataSource}/FakeDataSource.kt        | 3 ++-
 .../GetCheapestApartmentsCitiesNamesInteractorTest.kt          | 2 +-
 .../GetCheapestBananaPricesCitiesNamesInteractorTest.kt        | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)
 rename src/test/kotlin/{model => dataSource}/FakeDataSource.kt (97%)

diff --git a/src/test/kotlin/model/FakeDataSource.kt b/src/test/kotlin/dataSource/FakeDataSource.kt
similarity index 97%
rename from src/test/kotlin/model/FakeDataSource.kt
rename to src/test/kotlin/dataSource/FakeDataSource.kt
index 5f4f8deec..761f69bcc 100644
--- a/src/test/kotlin/model/FakeDataSource.kt
+++ b/src/test/kotlin/dataSource/FakeDataSource.kt
@@ -1,10 +1,11 @@
-package model
+package dataSource
 
 import com.appmattus.kotlinfixture.decorator.nullability.AlwaysNullStrategy
 import com.appmattus.kotlinfixture.decorator.nullability.NeverNullStrategy
 import com.appmattus.kotlinfixture.decorator.nullability.nullabilityStrategy
 import com.appmattus.kotlinfixture.kotlinFixture
 import interactor.CostOfLivingDataSource
+import model.CityEntity
 
 class FakeDataSource() : CostOfLivingDataSource {
 
diff --git a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
index 0f1fc606e..bd10156ba 100644
--- a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
@@ -1,6 +1,6 @@
 package interactor
 
-import model.FakeDataSource
+import dataSource.FakeDataSource
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.BeforeAll
diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index 47595a1f7..f8ff8ca8a 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -1,6 +1,6 @@
 package interactor
 
-import model.FakeDataSource
+import dataSource.FakeDataSource
 import org.junit.jupiter.api.Assertions.*
 import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test

From d2bf7ca5e8eb35210af7bd1d9a635b6b772f331d Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Sun, 12 Feb 2023 13:42:17 +0200
Subject: [PATCH 026/125] create feature class

---
 ...ostSuitableCityForMoreSavingsPerMonthInteractor.kt | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt

diff --git a/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt b/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
new file mode 100644
index 000000000..fd27fde28
--- /dev/null
+++ b/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
@@ -0,0 +1,11 @@
+package interactor
+
+import model.CityEntity
+
+class GetMostSuitableCityForMoreSavingsPerMonthInteractor {
+
+    fun execute(): CityEntity {
+        throw Throwable("Not Implemented yet")
+    }
+
+}
\ No newline at end of file

From 19caa28e7a65d00977e07a04d29ce5eb85bdc01c Mon Sep 17 00:00:00 2001
From: Nour Elden Alaa <nourelden515@gmail.com>
Date: Sun, 12 Feb 2023 13:49:31 +0200
Subject: [PATCH 027/125] code enhancements.

---
 src/test/kotlin/{model => dataSource}/FakeDataSource.kt        | 3 ++-
 .../GetCheapestApartmentsCitiesNamesInteractorTest.kt          | 2 +-
 .../GetCheapestBananaPricesCitiesNamesInteractorTest.kt        | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)
 rename src/test/kotlin/{model => dataSource}/FakeDataSource.kt (98%)

diff --git a/src/test/kotlin/model/FakeDataSource.kt b/src/test/kotlin/dataSource/FakeDataSource.kt
similarity index 98%
rename from src/test/kotlin/model/FakeDataSource.kt
rename to src/test/kotlin/dataSource/FakeDataSource.kt
index 66c662094..8befbdb64 100644
--- a/src/test/kotlin/model/FakeDataSource.kt
+++ b/src/test/kotlin/dataSource/FakeDataSource.kt
@@ -1,10 +1,11 @@
-package model
+package dataSource
 
 import com.appmattus.kotlinfixture.decorator.nullability.AlwaysNullStrategy
 import com.appmattus.kotlinfixture.decorator.nullability.NeverNullStrategy
 import com.appmattus.kotlinfixture.decorator.nullability.nullabilityStrategy
 import com.appmattus.kotlinfixture.kotlinFixture
 import interactor.CostOfLivingDataSource
+import model.CityEntity
 
 class FakeDataSource() : CostOfLivingDataSource {
 
diff --git a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
index bf5bed68d..2869a1fcb 100644
--- a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
@@ -1,6 +1,6 @@
 package interactor
 
-import model.FakeDataSource
+import dataSource.FakeDataSource
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.BeforeAll
diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index 47595a1f7..f8ff8ca8a 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -1,6 +1,6 @@
 package interactor
 
-import model.FakeDataSource
+import dataSource.FakeDataSource
 import org.junit.jupiter.api.Assertions.*
 import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test

From 19f631d0c91ce0b886327808dc625df743d95aec Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 13:55:01 +0200
Subject: [PATCH 028/125] Update FakeDataSource.kt

---
 src/test/kotlin/dataSource/FakeDataSource.kt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/test/kotlin/dataSource/FakeDataSource.kt b/src/test/kotlin/dataSource/FakeDataSource.kt
index dccaf2c74..4ad76cd34 100644
--- a/src/test/kotlin/dataSource/FakeDataSource.kt
+++ b/src/test/kotlin/dataSource/FakeDataSource.kt
@@ -62,7 +62,7 @@ class FakeDataSource() : CostOfLivingDataSource {
 
     /**
      * retrieve data from FakeDataSource depending on the needed type
-
+     */
     private fun getDataWithLowQuality() = lowQualityFixture<List<CityEntity>>()
 
     /**
@@ -86,4 +86,4 @@ class FakeDataSource() : CostOfLivingDataSource {
 
         }
     }
-}
\ No newline at end of file
+}

From 11558e6d3a37367a84f616a0e754aa1a4bc5c6a2 Mon Sep 17 00:00:00 2001
From: Nour Elden Alaa <nourelden515@gmail.com>
Date: Sun, 12 Feb 2023 14:13:18 +0200
Subject: [PATCH 029/125] resolve conflict

---
 src/test/kotlin/dataSource/FakeDataSource.kt | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/test/kotlin/dataSource/FakeDataSource.kt b/src/test/kotlin/dataSource/FakeDataSource.kt
index 4ad76cd34..7dcf26267 100644
--- a/src/test/kotlin/dataSource/FakeDataSource.kt
+++ b/src/test/kotlin/dataSource/FakeDataSource.kt
@@ -7,7 +7,7 @@ import com.appmattus.kotlinfixture.kotlinFixture
 import interactor.CostOfLivingDataSource
 import model.CityEntity
 
-class FakeDataSource() : CostOfLivingDataSource {
+class FakeDataSource : CostOfLivingDataSource {
 
     enum class DataType {
 
@@ -62,11 +62,6 @@ class FakeDataSource() : CostOfLivingDataSource {
 
     /**
      * retrieve data from FakeDataSource depending on the needed type
-     */
-    private fun getDataWithLowQuality() = lowQualityFixture<List<CityEntity>>()
-
-    /**
-     * retrieve data from FakeDataSource depending on the type needed
      * @return List<CityEntity>
      */
     override fun getAllCitiesData(): List<CityEntity> {

From 793b92b4ce7e3e3afbdcedfba13d9336e7c50ab5 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 14:26:54 +0200
Subject: [PATCH 030/125] pass first test when entering empty vararg return
 list of no valid data

---
 ...etCheapestBananaPricesCitiesNamesInteractor.kt |  4 +++-
 ...eapestBananaPricesCitiesNamesInteractorTest.kt | 15 +++++++--------
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index ed2eb4c19..caae0be51 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -11,6 +11,8 @@ class GetCheapestBananaPricesCitiesNamesInteractor(
     }
 
     fun execute(vararg cityEntities: CityEntity): List<String> {
-    throw Throwable("Not Implemented yet")
+       if(cityEntities.isEmpty())
+           return listOf("No Valid Data is Entered")
+      return emptyList()
     }
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index f8ff8ca8a..b6ea627d3 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -1,6 +1,7 @@
 package interactor
 
 import dataSource.FakeDataSource
+import model.CityEntity
 import org.junit.jupiter.api.Assertions.*
 import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test
@@ -62,17 +63,15 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
     }
 
     @Test
-    fun should_ReturnEmptyList_When_EnterNoData() {
-        //Given
-        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+    fun should_ReturnNotValidList_When_EnterNoData() {
+        //Given empty array of CityEntities
+        val array= emptyArray<CityEntity>()
 
-        //When
-        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*getCitiesVarArgs())
-        }
+        //When Entering no data or empty array of CityEntities to execute()
+        val list = getCheapestBananaPricesCitiesNamesInteractor.execute(*array)
 
         //Then
-        assertTrue(list.isEmpty())
+        assertEquals(listOf("No Valid Data is Entered"), list)
     }
 
 }
\ No newline at end of file

From 5c2b5c887625e8f6bb3dc2f5b9a2a411f1fcafa8 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 14:29:16 +0200
Subject: [PATCH 031/125] change empty error message

---
 .../interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index caae0be51..adc3caf1c 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -12,7 +12,7 @@ class GetCheapestBananaPricesCitiesNamesInteractor(
 
     fun execute(vararg cityEntities: CityEntity): List<String> {
        if(cityEntities.isEmpty())
-           return listOf("No Valid Data is Entered")
+           return listOf("No Data is Entered !")
       return emptyList()
     }
 }
\ No newline at end of file

From 63f6ffcec5ed7e274111db756e913f5b57c81fb3 Mon Sep 17 00:00:00 2001
From: kareem eldeen esam <kareemesam52@yahoo.com>
Date: Sun, 12 Feb 2023 14:30:03 +0200
Subject: [PATCH 032/125] implemented execute function

---
 .../GetHighestCarbonatedDrinksPricesInteractor.kt    |  5 +++--
 ...GetHighestCarbonatedDrinksPricesInteractorTest.kt | 12 ++++++------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
index a22ba0a39..d4edd8e1b 100644
--- a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
@@ -12,7 +12,7 @@ class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfL
           val listOfCities  = sortingDescending(city)
         return pricesAvg(listOfCities)
     }
-}
+
 private fun nullDrinks (cityEntity: CityEntity):Boolean =
             cityEntity.drinksPrices.cappuccinoRegularInRestaurants != null &&
             cityEntity.drinksPrices.milkRegularOneLiter !=null &&
@@ -37,4 +37,5 @@ private fun pricesAvg (list: List<CityEntity>) : List<Pair<String,Float>>{
 }
 
 private fun avgPriceForASingleCity(cityEntity: CityEntity) = cityEntity.drinksPrices.milkRegularOneLiter!! + cityEntity.drinksPrices.cappuccinoRegularInRestaurants!! +
-        cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket!! + cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants!!+ cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants!!
\ No newline at end of file
+        cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket!! + cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants!!+ cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants!!
+}
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
index 4be89e7a8..c534637bf 100644
--- a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
@@ -22,31 +22,31 @@ class GetHighestCarbonatedDrinksPricesInteractorTest(){
     @Test
     fun should_return_listOfPairs_When_Data_Valid(){
         //given
-        val listofPairs = getHighestCarbonatedDrinksPricesInteractor.execute()
+        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
         //when
         fakeData.setDataType(FakeDataSource.DataType.VALID)
         //then
-        assertTrue(listofPairs.size ==10)
+        assertTrue(listOfCountries.size ==10)
     }
 
     @Test
     fun should_return_Null_When_Data_LowQuality(){
         //given
-        val listofPairs = getHighestCarbonatedDrinksPricesInteractor.execute()
+        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
         //when
         fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
         //then
-        assertTrue(listofPairs.isEmpty())
+        assertTrue(listOfCountries.isEmpty())
     }
 
     @Test
     fun should_return_Null_When_Data_NotFound(){
         //given
-        val listofPairs = getHighestCarbonatedDrinksPricesInteractor.execute()
+        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
         //when
         fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
         //then
-        assertTrue(listofPairs.isEmpty())
+        assertTrue(listOfCountries.isEmpty())
     }
 
 

From 94eaec53d163581afb7fd8cfd0fe1310103557bd Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 14:40:45 +0200
Subject: [PATCH 033/125] pass test case

---
 .../GetCheapestBananaPricesCitiesNamesInteractorTest.kt         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index b6ea627d3..07807a1b0 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -71,7 +71,7 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
         val list = getCheapestBananaPricesCitiesNamesInteractor.execute(*array)
 
         //Then
-        assertEquals(listOf("No Valid Data is Entered"), list)
+        assertEquals(listOf("No Data is Entered !"), list)
     }
 
 }
\ No newline at end of file

From 25f1538fce2e9a8b34f44af509da75b5e5814a6c Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Sun, 12 Feb 2023 15:02:53 +0200
Subject: [PATCH 034/125] create class hardcoded fake datasource

---
 .../dataSource/HardCodedFakeDataSource.kt     | 238 ++++++++++++++++++
 1 file changed, 238 insertions(+)
 create mode 100644 src/test/kotlin/dataSource/HardCodedFakeDataSource.kt

diff --git a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
new file mode 100644
index 000000000..6fa2ad3f2
--- /dev/null
+++ b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
@@ -0,0 +1,238 @@
+package dataSource
+
+import interactor.CostOfLivingDataSource
+import model.*
+
+class HardCodedFakeDataSource : CostOfLivingDataSource {
+
+    private val cityList = mutableListOf<CityEntity>()
+
+    private val cairoHighQuality by lazy {
+        CityEntity(
+            cityName = "cairo",
+            country = "egypt",
+            mealsPrices = MealsPrices(
+                mealInexpensiveRestaurant = 10f,
+                mealFor2PeopleMidRangeRestaurant = 5f,
+                mealAtMcDonaldSOrEquivalent = 3f
+            ),
+            drinksPrices = DrinksPrices(
+                cappuccinoRegularInRestaurants = 7f,
+                cokePepsiAThirdOfLiterBottleInRestaurants = 2f,
+                waterAThirdOfLiterBottleInRestaurants = 1f,
+                milkRegularOneLiter = 2f,
+                waterOneAndHalfLiterBottleAtTheMarket = 2.5f
+            ),
+            fruitAndVegetablesPrices = FruitAndVegetablesPrices(
+                apples1kg = 2f,
+                banana1kg = 1f,
+                oranges1kg = 1f,
+                tomato1kg = 3f,
+                potato1kg = 1f,
+                onion1kg = 1f,
+                lettuceOneHead = 0.25f
+            ),
+            foodPrices = FoodPrices(
+                loafOfFreshWhiteBread500g = .5f,
+                riceWhite1kg = 1f,
+                eggsRegular12 = 2f,
+                localCheese1kg = 4f,
+                chickenFillets1kg = 4f,
+                beefRound1kgOrEquivalentBackLegRedMeat = 6f
+            ),
+            servicesPrices = ServicesPrices(
+                basicElectricityHeatingCoolingWaterGarbageFor85m2Apartment = 25f,
+                oneMinOfPrepaidMobileTariffLocalNoDiscountsOrPlans = 30f,
+                internet60MbpsOrMoreUnlimitedDataCableAdsl = 20f,
+                fitnessClubMonthlyFeeForOneAdult = 100f,
+                tennisCourtRentOneHourOnWeekend = 100f,
+                cinemaInternationalReleaseOneSeat = 10f,
+                preschoolOrKindergartenFullDayPrivateMonthlyForOneChild = 100f,
+                internationalPrimarySchoolYearlyForOneChild = 1000f
+            ),
+            clothesPrices = ClothesPrices(
+                onePairOfJeansLevis50oneOrSimilar = 60f,
+                oneSummerDressInAChainStoreZaraHAndM = 90f,
+                onePairOfNikeRunningShoesMidRange = 80f,
+                onePairOfMenLeatherBusinessShoes = 300f
+            ),
+            transportationsPrices = TransportationsPrices(
+                oneWayTicketLocalTransport = 5f,
+                monthlyPassRegularPrice = 60f,
+                taxiStartNormalTariff = 20f,
+                taxi1kmNormalTariff = 30f,
+                taxi1hourWaitingNormalTariff = 60f,
+                gasolineOneLiter = 2f
+            ),
+            carsPrices = CarsPrices(
+                volkswagenGolf_1_4_90kwTrendLineOrEquivalentNewCar = 300000f,
+                toyotaCorollaSedan_1_6l_97kwComfortOrEquivalentNewCar = 250000f
+            ),
+            realEstatesPrices = RealEstatesPrices(
+                apartmentOneBedroomInCityCentre = 500000f,
+                apartmentOneBedroomOutsideOfCentre = 300000f,
+                apartment3BedroomsInCityCentre = 800000f,
+                apartment3BedroomsOutsideOfCentre = 500000f,
+                pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
+                pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
+            ),
+            averageMonthlyNetSalaryAfterTax = 6000f,
+            dataQuality = true
+        )
+    }
+
+    private val londonLowQuality by lazy {
+        CityEntity(
+            cityName = "london",
+            country = "england",
+            mealsPrices = MealsPrices(
+                mealInexpensiveRestaurant = 10f,
+                mealFor2PeopleMidRangeRestaurant = 5f,
+                mealAtMcDonaldSOrEquivalent = 3f
+            ),
+            drinksPrices = DrinksPrices(
+                cappuccinoRegularInRestaurants = 7f,
+                cokePepsiAThirdOfLiterBottleInRestaurants = 2f,
+                waterAThirdOfLiterBottleInRestaurants = 1f,
+                milkRegularOneLiter = 2f,
+                waterOneAndHalfLiterBottleAtTheMarket = 2.5f
+            ),
+            fruitAndVegetablesPrices = FruitAndVegetablesPrices(
+                apples1kg = 2f,
+                banana1kg = 1f,
+                oranges1kg = 1f,
+                tomato1kg = 3f,
+                potato1kg = 1f,
+                onion1kg = 1f,
+                lettuceOneHead = 0.25f
+            ),
+            foodPrices = FoodPrices(
+                loafOfFreshWhiteBread500g = 1f,
+                riceWhite1kg = 3f,
+                eggsRegular12 = 1f,
+                localCheese1kg = 6f,
+                chickenFillets1kg = 9f,
+                beefRound1kgOrEquivalentBackLegRedMeat = 12f
+            ),
+            servicesPrices = ServicesPrices(
+                basicElectricityHeatingCoolingWaterGarbageFor85m2Apartment = 25f,
+                oneMinOfPrepaidMobileTariffLocalNoDiscountsOrPlans = 30f,
+                internet60MbpsOrMoreUnlimitedDataCableAdsl = 20f,
+                fitnessClubMonthlyFeeForOneAdult = 100f,
+                tennisCourtRentOneHourOnWeekend = 100f,
+                cinemaInternationalReleaseOneSeat = 10f,
+                preschoolOrKindergartenFullDayPrivateMonthlyForOneChild = 100f,
+                internationalPrimarySchoolYearlyForOneChild = 1000f
+            ),
+            clothesPrices = ClothesPrices(
+                onePairOfJeansLevis50oneOrSimilar = 60f,
+                oneSummerDressInAChainStoreZaraHAndM = 90f,
+                onePairOfNikeRunningShoesMidRange = 80f,
+                onePairOfMenLeatherBusinessShoes = 300f
+            ),
+            transportationsPrices = TransportationsPrices(
+                oneWayTicketLocalTransport = 5f,
+                monthlyPassRegularPrice = 60f,
+                taxiStartNormalTariff = 20f,
+                taxi1kmNormalTariff = 30f,
+                taxi1hourWaitingNormalTariff = 60f,
+                gasolineOneLiter = 2f
+            ),
+            carsPrices = CarsPrices(
+                volkswagenGolf_1_4_90kwTrendLineOrEquivalentNewCar = 300000f,
+                toyotaCorollaSedan_1_6l_97kwComfortOrEquivalentNewCar = 250000f
+            ),
+            realEstatesPrices = RealEstatesPrices(
+                apartmentOneBedroomInCityCentre = 500000f,
+                apartmentOneBedroomOutsideOfCentre = 300000f,
+                apartment3BedroomsInCityCentre = 800000f,
+                apartment3BedroomsOutsideOfCentre = 500000f,
+                pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
+                pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
+            ),
+            averageMonthlyNetSalaryAfterTax = 6000f,
+            dataQuality = false
+        )
+    }
+
+    private val parisHighQuality by lazy {
+        CityEntity(
+            cityName = "paris",
+            country = "france",
+            mealsPrices = MealsPrices(
+                mealInexpensiveRestaurant = 10f,
+                mealFor2PeopleMidRangeRestaurant = 5f,
+                mealAtMcDonaldSOrEquivalent = 3f
+            ),
+            drinksPrices = DrinksPrices(
+                cappuccinoRegularInRestaurants = 7f,
+                cokePepsiAThirdOfLiterBottleInRestaurants = 2f,
+                waterAThirdOfLiterBottleInRestaurants = 1f,
+                milkRegularOneLiter = 2f,
+                waterOneAndHalfLiterBottleAtTheMarket = 2.5f
+            ),
+            fruitAndVegetablesPrices = FruitAndVegetablesPrices(
+                apples1kg = 2f,
+                banana1kg = 1f,
+                oranges1kg = 1f,
+                tomato1kg = 3f,
+                potato1kg = 1f,
+                onion1kg = 1f,
+                lettuceOneHead = 0.25f
+            ),
+            foodPrices = FoodPrices(
+                loafOfFreshWhiteBread500g = 4f,
+                riceWhite1kg = 12f,
+                eggsRegular12 = 24f,
+                localCheese1kg = 9f,
+                chickenFillets1kg = 16f,
+                beefRound1kgOrEquivalentBackLegRedMeat = 20f
+            ),
+            servicesPrices = ServicesPrices(
+                basicElectricityHeatingCoolingWaterGarbageFor85m2Apartment = 25f,
+                oneMinOfPrepaidMobileTariffLocalNoDiscountsOrPlans = 30f,
+                internet60MbpsOrMoreUnlimitedDataCableAdsl = 20f,
+                fitnessClubMonthlyFeeForOneAdult = 100f,
+                tennisCourtRentOneHourOnWeekend = 100f,
+                cinemaInternationalReleaseOneSeat = 10f,
+                preschoolOrKindergartenFullDayPrivateMonthlyForOneChild = 100f,
+                internationalPrimarySchoolYearlyForOneChild = 1000f
+            ),
+            clothesPrices = ClothesPrices(
+                onePairOfJeansLevis50oneOrSimilar = 60f,
+                oneSummerDressInAChainStoreZaraHAndM = 90f,
+                onePairOfNikeRunningShoesMidRange = 80f,
+                onePairOfMenLeatherBusinessShoes = 300f
+            ),
+            transportationsPrices = TransportationsPrices(
+                oneWayTicketLocalTransport = 5f,
+                monthlyPassRegularPrice = 60f,
+                taxiStartNormalTariff = 20f,
+                taxi1kmNormalTariff = 30f,
+                taxi1hourWaitingNormalTariff = 60f,
+                gasolineOneLiter = 2f
+            ),
+            carsPrices = CarsPrices(
+                volkswagenGolf_1_4_90kwTrendLineOrEquivalentNewCar = 300000f,
+                toyotaCorollaSedan_1_6l_97kwComfortOrEquivalentNewCar = 250000f
+            ),
+            realEstatesPrices = RealEstatesPrices(
+                apartmentOneBedroomInCityCentre = 500000f,
+                apartmentOneBedroomOutsideOfCentre = 300000f,
+                apartment3BedroomsInCityCentre = 800000f,
+                apartment3BedroomsOutsideOfCentre = 500000f,
+                pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
+                pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
+            ),
+            averageMonthlyNetSalaryAfterTax = 6000f,
+            dataQuality = true
+        )
+    }
+
+    override fun getAllCitiesData(): List<CityEntity> {
+        cityList.add(cairoHighQuality)
+        cityList.add(londonLowQuality)
+        cityList.add(parisHighQuality)
+        return cityList
+    }
+}
\ No newline at end of file

From ca98f70dae4a0ec3a08d01fe72aab2c08155e826 Mon Sep 17 00:00:00 2001
From: kareem eldeen esam <kareemesam52@yahoo.com>
Date: Sun, 12 Feb 2023 15:09:49 +0200
Subject: [PATCH 035/125] enhancement

---
 .../GetHighestCarbonatedDrinksPricesInteractor.kt           | 2 +-
 .../GetHighestCarbonatedDrinksPricesInteractorTest.kt       | 6 +-----
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
index d4edd8e1b..eca4ba789 100644
--- a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
@@ -27,7 +27,7 @@ private fun sortingDescending(list: List<CityEntity>) =
 
 
 private fun pricesAvg (list: List<CityEntity>) : List<Pair<String,Float>>{
-    val finalList : MutableList<Pair<String,Float>>
+    val finalList = mutableListOf<Pair<String,Float>>()
     var avgPrice : Float
     list.forEach {
         avgPrice = avgPriceForASingleCity(it)
diff --git a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
index c534637bf..45fc37b65 100644
--- a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
@@ -4,7 +4,7 @@ package interactor
 import model.CityEntity
 import org.junit.jupiter.api.Assertions.*
 import org.junit.jupiter.api.TestInstance
-import model.FakeDataSource
+import dataSource.FakeDataSource
 import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test
 
@@ -49,8 +49,4 @@ class GetHighestCarbonatedDrinksPricesInteractorTest(){
         assertTrue(listOfCountries.isEmpty())
     }
 
-
-
-
-
 }
\ No newline at end of file

From f8c2a624d8f97ddeb752a97f653c4a21bf90a051 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 15:16:19 +0200
Subject: [PATCH 036/125] Delete kotlinc.xml

---
 .idea/kotlinc.xml | 6 ------
 1 file changed, 6 deletions(-)
 delete mode 100644 .idea/kotlinc.xml

diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
deleted file mode 100644
index 568bea16e..000000000
--- a/.idea/kotlinc.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="KotlinJpsPluginSettings">
-    <option name="version" value="1.6.20" />
-  </component>
-</project>
\ No newline at end of file

From 32c0361e426226e303b825555a56305ec9c90407 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 15:16:29 +0200
Subject: [PATCH 037/125] Delete misc.xml

---
 .idea/misc.xml | 7 -------
 1 file changed, 7 deletions(-)
 delete mode 100644 .idea/misc.xml

diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index 4e20194ae..000000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_18" project-jdk-name="11" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>
\ No newline at end of file

From fb942a8a77f7ed028e4ea3b73bd794fe18505fe5 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 15:16:50 +0200
Subject: [PATCH 038/125] Delete build.gradle.kts

---
 build.gradle.kts | 30 ------------------------------
 1 file changed, 30 deletions(-)
 delete mode 100644 build.gradle.kts

diff --git a/build.gradle.kts b/build.gradle.kts
deleted file mode 100644
index e97e1fab9..000000000
--- a/build.gradle.kts
+++ /dev/null
@@ -1,30 +0,0 @@
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-
-plugins {
-    kotlin("jvm") version "1.6.20"
-    application
-}
-
-group = "org.the-chance"
-version = "1.0-SNAPSHOT"
-
-repositories {
-    mavenCentral()
-}
-
-dependencies {
-    testImplementation(kotlin("test"))
-    testImplementation("org.junit.jupiter:junit-jupiter")
-}
-
-tasks.test {
-    useJUnitPlatform()
-}
-
-tasks.withType<KotlinCompile> {
-    kotlinOptions.jvmTarget = "1.8"
-}
-
-application {
-    mainClass.set("MainKt")
-}
\ No newline at end of file

From 4510f970dc64bb92232696d3884a5a5bf295e38a Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 15:17:25 +0200
Subject: [PATCH 039/125] Delete local.properties

---
 local.properties | 8 --------
 1 file changed, 8 deletions(-)
 delete mode 100644 local.properties

diff --git a/local.properties b/local.properties
deleted file mode 100644
index 810a674f9..000000000
--- a/local.properties
+++ /dev/null
@@ -1,8 +0,0 @@
-## This file must *NOT* be checked into Version Control Systems,
-# as it contains information specific to your local configuration.
-#
-# Location of the SDK. This is only used by Gradle.
-# For customization when using a Version Control System, please read the
-# header note.
-#Fri Feb 10 23:10:31 EET 2023
-sdk.dir=C\:\\Users\\kareem\\AppData\\Local\\Android\\Sdk

From 8dce816a06682e777f82daf152d79cafba28c545 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 15:18:40 +0200
Subject: [PATCH 040/125] Delete .name

---
 .idea/.name | 1 -
 1 file changed, 1 deletion(-)
 delete mode 100644 .idea/.name

diff --git a/.idea/.name b/.idea/.name
deleted file mode 100644
index e886c3ac4..000000000
--- a/.idea/.name
+++ /dev/null
@@ -1 +0,0 @@
-Cost-of-living-app
\ No newline at end of file

From c42949001a0f8d53a35cf60e0c0c605608379849 Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Sun, 12 Feb 2023 15:18:50 +0200
Subject: [PATCH 041/125] create test class hardcoded fake datasourc

---
 ...ityForMoreSavingsPerMonthInteractorTest.kt | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt

diff --git a/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt b/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
new file mode 100644
index 000000000..5f73aea77
--- /dev/null
+++ b/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
@@ -0,0 +1,31 @@
+package interactor
+
+import dataSource.HardCodedFakeDataSource
+import org.junit.jupiter.api.BeforeAll
+
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+internal class GetMostSuitableCityForMoreSavingsPerMonthInteractorTest {
+
+    private lateinit var dataSource: HardCodedFakeDataSource
+    private lateinit var getMostSuitableCity: GetMostSuitableCityForMoreSavingsPerMonthInteractor
+
+    @BeforeAll
+    fun setUp() {
+        dataSource = HardCodedFakeDataSource()
+        getMostSuitableCity = GetMostSuitableCityForMoreSavingsPerMonthInteractor()
+    }
+
+    @Test
+    fun should_ReturnCityEntity_When_EnterValidCityList() {
+        // given
+
+        // when
+
+        // then
+    }
+
+
+}
\ No newline at end of file

From e08fa3b17706615139cde740766a4fb6256ef885 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 15:36:49 +0200
Subject: [PATCH 042/125] pass test case 2

---
 ...eapestBananaPricesCitiesNamesInteractor.kt | 24 ++++++++++++++++---
 ...stBananaPricesCitiesNamesInteractorTest.kt | 15 +++++++-----
 2 files changed, 30 insertions(+), 9 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index adc3caf1c..ab45d996d 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -11,8 +11,26 @@ class GetCheapestBananaPricesCitiesNamesInteractor(
     }
 
     fun execute(vararg cityEntities: CityEntity): List<String> {
-       if(cityEntities.isEmpty())
-           return listOf("No Data is Entered !")
-      return emptyList()
+        return if (cityEntities.isEmpty())
+            listOf("No Data is Entered !")
+        else cityEntities
+            .filter(::excludeNullBananaPrices)
+            .sortingWithBananaPrices()
+            .map { it.cityName }
+
+    }
+
+    private fun excludeNullBananaPrices(city: CityEntity): Boolean {
+        return city.fruitAndVegetablesPrices.banana1kg != null
+    }
+
+    /**
+     * Sort the list with the banana prices between CityEntities.
+     * @return sorted List<CityEntity>
+     */
+    private fun List<CityEntity>.sortingWithBananaPrices(): List<CityEntity> {
+        return this.sortedByDescending {
+            it.fruitAndVegetablesPrices.banana1kg
+        }
     }
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index 07807a1b0..cd5e24606 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -24,14 +24,17 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
     fun should_ReturnCorrectList_When_EnterValidData() {
         //Given
         fakeData.setDataType(FakeDataSource.DataType.VALID)
-
+        val data = getCheapestBananaPricesCitiesNamesInteractor.getCitiesVarArgs()
         //When
         val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*getCitiesVarArgs())
+            execute(*data)
         }
-
         //Then
-        assertTrue(list.size == 20)
+        assertTrue(
+            list.size == 20 && list == data
+                .sortedByDescending { it.fruitAndVegetablesPrices.banana1kg }
+                .map { it.cityName }
+        )
     }
 
     @Test
@@ -65,9 +68,9 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
     @Test
     fun should_ReturnNotValidList_When_EnterNoData() {
         //Given empty array of CityEntities
-        val array= emptyArray<CityEntity>()
+        val array = emptyArray<CityEntity>()
 
-        //When Entering no data or empty array of CityEntities to execute()
+        //When entering no data or empty array of CityEntities to execute()
         val list = getCheapestBananaPricesCitiesNamesInteractor.execute(*array)
 
         //Then

From f42cb36e5e9c7d09a7a36f1893a7cae431e6a52b Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 16:19:25 +0200
Subject: [PATCH 043/125] pass test case 2

---
 .../interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt | 1 -
 .../GetCheapestBananaPricesCitiesNamesInteractorTest.kt        | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index ab45d996d..5d08c97e5 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -17,7 +17,6 @@ class GetCheapestBananaPricesCitiesNamesInteractor(
             .filter(::excludeNullBananaPrices)
             .sortingWithBananaPrices()
             .map { it.cityName }
-
     }
 
     private fun excludeNullBananaPrices(city: CityEntity): Boolean {
diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index cd5e24606..b572d5a4a 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -31,7 +31,7 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
         }
         //Then
         assertTrue(
-            list.size == 20 && list == data
+            list == data
                 .sortedByDescending { it.fruitAndVegetablesPrices.banana1kg }
                 .map { it.cityName }
         )
@@ -41,7 +41,6 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
     fun should_ReturnEmptyList_When_EnterNullForAllBananaPrices() {
         //Given
         fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
-
         //When
         val list = getCheapestBananaPricesCitiesNamesInteractor.run {
             execute(*getCitiesVarArgs())

From cad0f914ffbce70c85a698c550497101432f33c5 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 16:23:42 +0200
Subject: [PATCH 044/125] pass test case 3

---
 .../GetCheapestBananaPricesCitiesNamesInteractorTest.kt     | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index b572d5a4a..65b5704b9 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -41,11 +41,11 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
     fun should_ReturnEmptyList_When_EnterNullForAllBananaPrices() {
         //Given
         fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
-        //When
+        val data = getCheapestBananaPricesCitiesNamesInteractor.getCitiesVarArgs()
+        //When entering null for all banana prices
         val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*getCitiesVarArgs())
+            execute(*data)
         }
-
         //Then
         assertTrue(list.isEmpty())
     }

From fde2fc3ff6ad5cd293e4847509356f87c0f8f509 Mon Sep 17 00:00:00 2001
From: ahmedfikry <ahmedfikryelshimi24@gmail.com>
Date: Sun, 12 Feb 2023 16:29:14 +0200
Subject: [PATCH 045/125] prepare test cases

---
 src/main/kotlin/interactor/GetCityManagerExpectation.kt  | 9 +++++++++
 .../kotlin/interactor/GetCityManagerExpectationTest.kt   | 3 +++
 2 files changed, 12 insertions(+)
 create mode 100644 src/main/kotlin/interactor/GetCityManagerExpectation.kt
 create mode 100644 src/test/kotlin/interactor/GetCityManagerExpectationTest.kt

diff --git a/src/main/kotlin/interactor/GetCityManagerExpectation.kt b/src/main/kotlin/interactor/GetCityManagerExpectation.kt
new file mode 100644
index 000000000..ded8a2c6e
--- /dev/null
+++ b/src/main/kotlin/interactor/GetCityManagerExpectation.kt
@@ -0,0 +1,9 @@
+package interactor
+
+class GetCityManagerExpectation(
+    private val dataSource: CostOfLivingDataSource
+){
+   fun execute (){
+
+   }
+}
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt b/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt
new file mode 100644
index 000000000..b0f976bc7
--- /dev/null
+++ b/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt
@@ -0,0 +1,3 @@
+package interactor
+
+internal class GetCityManagerExpectationTest
\ No newline at end of file

From 4be9e967ede1c29d31918ce9f9d132d7a8e37c1a Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Sun, 12 Feb 2023 16:32:55 +0200
Subject: [PATCH 046/125] update test class hardcoded fake datasource

---
 .../kotlin/dataSource/HardCodedFakeDataSource.kt     | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
index 6fa2ad3f2..8b5fa38bf 100644
--- a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
+++ b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
@@ -7,7 +7,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
 
     private val cityList = mutableListOf<CityEntity>()
 
-    private val cairoHighQuality by lazy {
+    val cairoHighQuality by lazy {
         CityEntity(
             cityName = "cairo",
             country = "egypt",
@@ -33,7 +33,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
                 lettuceOneHead = 0.25f
             ),
             foodPrices = FoodPrices(
-                loafOfFreshWhiteBread500g = .5f,
+                loafOfFreshWhiteBread500g = 2f,
                 riceWhite1kg = 1f,
                 eggsRegular12 = 2f,
                 localCheese1kg = 4f,
@@ -81,7 +81,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
         )
     }
 
-    private val londonLowQuality by lazy {
+    val londonLowQuality by lazy {
         CityEntity(
             cityName = "london",
             country = "england",
@@ -150,12 +150,12 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
                 pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
                 pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
             ),
-            averageMonthlyNetSalaryAfterTax = 6000f,
+            averageMonthlyNetSalaryAfterTax = 4000f,
             dataQuality = false
         )
     }
 
-    private val parisHighQuality by lazy {
+    val parisHighQuality by lazy {
         CityEntity(
             cityName = "paris",
             country = "france",
@@ -224,7 +224,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
                 pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
                 pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
             ),
-            averageMonthlyNetSalaryAfterTax = 6000f,
+            averageMonthlyNetSalaryAfterTax = 9000f,
             dataQuality = true
         )
     }

From ce87733c8d033ead8dfe5c7b20e4c6251d126edf Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Sun, 12 Feb 2023 16:33:56 +0200
Subject: [PATCH 047/125] update feature class

---
 .../GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt b/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
index fd27fde28..b92921ac7 100644
--- a/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
+++ b/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
@@ -2,10 +2,13 @@ package interactor
 
 import model.CityEntity
 
-class GetMostSuitableCityForMoreSavingsPerMonthInteractor {
+class GetMostSuitableCityForMoreSavingsPerMonthInteractor(
+    private val dataSource: CostOfLivingDataSource
+) {
 
     fun execute(): CityEntity {
         throw Throwable("Not Implemented yet")
     }
 
+
 }
\ No newline at end of file

From 9af48b3abbf73bc6f471a59fe41438b21145f154 Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Sun, 12 Feb 2023 16:34:13 +0200
Subject: [PATCH 048/125] update test class

---
 ...SuitableCityForMoreSavingsPerMonthInteractorTest.kt | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt b/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
index 5f73aea77..336521dfd 100644
--- a/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
@@ -5,6 +5,7 @@ import org.junit.jupiter.api.BeforeAll
 
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.TestInstance
+import kotlin.test.assertEquals
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
 internal class GetMostSuitableCityForMoreSavingsPerMonthInteractorTest {
@@ -15,16 +16,19 @@ internal class GetMostSuitableCityForMoreSavingsPerMonthInteractorTest {
     @BeforeAll
     fun setUp() {
         dataSource = HardCodedFakeDataSource()
-        getMostSuitableCity = GetMostSuitableCityForMoreSavingsPerMonthInteractor()
+        getMostSuitableCity = GetMostSuitableCityForMoreSavingsPerMonthInteractor(dataSource)
     }
 
     @Test
     fun should_ReturnCityEntity_When_EnterValidCityList() {
         // given
-
+        val expectedCity = dataSource.parisHighQuality
         // when
-
+        val cityEntity = getMostSuitableCity.run {
+            execute()
+        }
         // then
+        assertEquals(expectedCity,cityEntity)
     }
 
 

From 96181a04935d9aefc9d63ce9dc8592d1649da37c Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 16:49:38 +0200
Subject: [PATCH 049/125] delete unnecessary test

---
 ...apestBananaPricesCitiesNamesInteractorTest.kt | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index 65b5704b9..5830b5e5a 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -8,7 +8,7 @@ import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.TestInstance
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
-internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
+internal class GetCheapestBananaPricesCitiesNamesInteractorTest {
 
     private lateinit var fakeData: FakeDataSource
     private lateinit var getCheapestBananaPricesCitiesNamesInteractor: GetCheapestBananaPricesCitiesNamesInteractor
@@ -50,20 +50,6 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
         assertTrue(list.isEmpty())
     }
 
-    @Test
-    fun should_ReturnListHasNoNulls_When_EnterNullForSomeBananaPrices() {
-        //Given
-        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
-
-        //When
-        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*getCitiesVarArgs())
-        }
-
-        //Then
-        assertTrue(list.size < 20)
-    }
-
     @Test
     fun should_ReturnNotValidList_When_EnterNoData() {
         //Given empty array of CityEntities

From bf1ff380c6e48b95736ac40cfb32fb33f145eaa4 Mon Sep 17 00:00:00 2001
From: Menna Akram <mennaakram976@gmail.com>
Date: Sun, 12 Feb 2023 16:50:43 +0200
Subject: [PATCH 050/125] add new test case

---
 ...erageOfFruitsAndVegetablesPricesInteractorTest.kt | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt b/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
index 2857b7511..32377fb48 100644
--- a/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
@@ -1,7 +1,7 @@
 package interactor
 
+import dataSource.FakeDataSource
 import model.CityEntity
-import model.FakeDataSource
 import org.junit.jupiter.api.Assertions.*
 import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test
@@ -39,4 +39,14 @@ internal class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTe
         assertTrue(result.isEmpty())
     }
 
+    @Test
+    fun should_ReturnTheTenCitiesName_When_TheDataIsMixture() {
+        //given
+        fakeData.setDataType(FakeDataSource.DataType.MIXTURE)
+        //When
+        val result = getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.execute()
+        //Then
+        assertTrue(result.isEmpty())
+    }
+
 }
\ No newline at end of file

From aa630885970ba7d857d936f0bfc0a1783e13fa56 Mon Sep 17 00:00:00 2001
From: kareem eldeen esam <kareemesam52@yahoo.com>
Date: Sun, 12 Feb 2023 16:39:46 +0200
Subject: [PATCH 051/125] enhancement

---
 ...HighestCarbonatedDrinksPricesInteractor.kt | 26 +++++++++++--------
 ...estCarbonatedDrinksPricesInteractorTest.kt | 17 ++++++------
 2 files changed, 24 insertions(+), 19 deletions(-)

diff --git a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
index eca4ba789..fb79c0aa2 100644
--- a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
@@ -1,5 +1,4 @@
 package interactor
-
 import model.CityEntity
 import model.DrinksPrices
 
@@ -8,22 +7,27 @@ class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfL
 {
     fun execute () : List<Pair<String,Float>> {
 
-      val city : List<CityEntity> = dataSource.getAllCitiesData().filter { nullDrinks(it) }
-          val listOfCities  = sortingDescending(city)
-        return pricesAvg(listOfCities)
+      val city : List<CityEntity> = dataSource.getAllCitiesData()
+          .filter { nullAndLowQualityDrinks(it) }
+          .sortedByDescending { avgPriceForASingleCity(it) }
+          .take(10)
+
+
+        return if
+            (city.isEmpty())
+        { emptyList()
+        }// listOf(Pair("no countries Found",0.0f))
+      else {pricesAvg(city)}
     }
 
-private fun nullDrinks (cityEntity: CityEntity):Boolean =
+private fun nullAndLowQualityDrinks (cityEntity: CityEntity):Boolean =
+
             cityEntity.drinksPrices.cappuccinoRegularInRestaurants != null &&
             cityEntity.drinksPrices.milkRegularOneLiter !=null &&
             cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants !=null &&
             cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants !=null &&
-            cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket !=null
-
-
-private fun sortingDescending(list: List<CityEntity>) =
-    list.sortedBy { avgPriceForASingleCity(it) }.take(10)
-
+            cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket !=null &&
+            cityEntity.dataQuality
 
 
 private fun pricesAvg (list: List<CityEntity>) : List<Pair<String,Float>>{
diff --git a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
index 45fc37b65..a7215f08e 100644
--- a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
@@ -9,7 +9,7 @@ import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
-class GetHighestCarbonatedDrinksPricesInteractorTest(){
+class GetHighestCarbonatedDrinksPricesInteractorTest{
 
     private lateinit var fakeData : FakeDataSource
     private lateinit var getHighestCarbonatedDrinksPricesInteractor: GetHighestCarbonatedDrinksPricesInteractor
@@ -22,9 +22,9 @@ class GetHighestCarbonatedDrinksPricesInteractorTest(){
     @Test
     fun should_return_listOfPairs_When_Data_Valid(){
         //given
-        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
-        //when
         fakeData.setDataType(FakeDataSource.DataType.VALID)
+        //when
+        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
         //then
         assertTrue(listOfCountries.size ==10)
     }
@@ -32,19 +32,20 @@ class GetHighestCarbonatedDrinksPricesInteractorTest(){
     @Test
     fun should_return_Null_When_Data_LowQuality(){
         //given
-        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
-        //when
         fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
+        //when
+        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
         //then
         assertTrue(listOfCountries.isEmpty())
     }
 
     @Test
-    fun should_return_Null_When_Data_NotFound(){
+    fun should_return_empty_List_When_Data_NotFound(){
         //given
-        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
+        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+
         //when
-        fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
+        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
         //then
         assertTrue(listOfCountries.isEmpty())
     }

From 983a14b1c1773cb0d425e3d23bcb94eeca1f6ec3 Mon Sep 17 00:00:00 2001
From: kareem eldeen esam <kareemesam52@yahoo.com>
Date: Sun, 12 Feb 2023 16:53:39 +0200
Subject: [PATCH 052/125] Revert "Delete build.gradle.kts"

This reverts commit fb942a8a77f7ed028e4ea3b73bd794fe18505fe5.
---
 build.gradle.kts | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 build.gradle.kts

diff --git a/build.gradle.kts b/build.gradle.kts
new file mode 100644
index 000000000..e97e1fab9
--- /dev/null
+++ b/build.gradle.kts
@@ -0,0 +1,30 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    kotlin("jvm") version "1.6.20"
+    application
+}
+
+group = "org.the-chance"
+version = "1.0-SNAPSHOT"
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testImplementation(kotlin("test"))
+    testImplementation("org.junit.jupiter:junit-jupiter")
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
+
+tasks.withType<KotlinCompile> {
+    kotlinOptions.jvmTarget = "1.8"
+}
+
+application {
+    mainClass.set("MainKt")
+}
\ No newline at end of file

From 229b91cbae20f13a39cd403a7279eef66ab41f69 Mon Sep 17 00:00:00 2001
From: kareem eldeen esam <kareemesam52@yahoo.com>
Date: Sun, 12 Feb 2023 16:56:37 +0200
Subject: [PATCH 053/125] Revert "Delete .name"

This reverts commit 8dce816a06682e777f82daf152d79cafba28c545.
---
 .idea/.name | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 .idea/.name

diff --git a/.idea/.name b/.idea/.name
new file mode 100644
index 000000000..e886c3ac4
--- /dev/null
+++ b/.idea/.name
@@ -0,0 +1 @@
+Cost-of-living-app
\ No newline at end of file

From 4ccbf99cd0ddf7f669780898fa10184bc2081911 Mon Sep 17 00:00:00 2001
From: kareem eldeen esam <kareemesam52@yahoo.com>
Date: Sun, 12 Feb 2023 16:56:48 +0200
Subject: [PATCH 054/125] Revert "Delete local.properties"

This reverts commit 4510f970dc64bb92232696d3884a5a5bf295e38a.
---
 local.properties | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 local.properties

diff --git a/local.properties b/local.properties
new file mode 100644
index 000000000..810a674f9
--- /dev/null
+++ b/local.properties
@@ -0,0 +1,8 @@
+## This file must *NOT* be checked into Version Control Systems,
+# as it contains information specific to your local configuration.
+#
+# Location of the SDK. This is only used by Gradle.
+# For customization when using a Version Control System, please read the
+# header note.
+#Fri Feb 10 23:10:31 EET 2023
+sdk.dir=C\:\\Users\\kareem\\AppData\\Local\\Android\\Sdk

From a4aa8701a2b616c1332d4cc7bc24212133afcc2b Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 17:06:40 +0200
Subject: [PATCH 055/125] Delete .name

---
 .idea/.name | 1 -
 1 file changed, 1 deletion(-)
 delete mode 100644 .idea/.name

diff --git a/.idea/.name b/.idea/.name
deleted file mode 100644
index e886c3ac4..000000000
--- a/.idea/.name
+++ /dev/null
@@ -1 +0,0 @@
-Cost-of-living-app
\ No newline at end of file

From 92584c7cd3571f7f1e06bec392da2e8de97759e1 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 17:06:50 +0200
Subject: [PATCH 056/125] Delete build.gradle.kts

---
 build.gradle.kts | 30 ------------------------------
 1 file changed, 30 deletions(-)
 delete mode 100644 build.gradle.kts

diff --git a/build.gradle.kts b/build.gradle.kts
deleted file mode 100644
index e97e1fab9..000000000
--- a/build.gradle.kts
+++ /dev/null
@@ -1,30 +0,0 @@
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-
-plugins {
-    kotlin("jvm") version "1.6.20"
-    application
-}
-
-group = "org.the-chance"
-version = "1.0-SNAPSHOT"
-
-repositories {
-    mavenCentral()
-}
-
-dependencies {
-    testImplementation(kotlin("test"))
-    testImplementation("org.junit.jupiter:junit-jupiter")
-}
-
-tasks.test {
-    useJUnitPlatform()
-}
-
-tasks.withType<KotlinCompile> {
-    kotlinOptions.jvmTarget = "1.8"
-}
-
-application {
-    mainClass.set("MainKt")
-}
\ No newline at end of file

From 79ef83d4c4ea9fdf9d1cfb72aa428d5914c54104 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 17:07:08 +0200
Subject: [PATCH 057/125] Delete local.properties

---
 local.properties | 8 --------
 1 file changed, 8 deletions(-)
 delete mode 100644 local.properties

diff --git a/local.properties b/local.properties
deleted file mode 100644
index 810a674f9..000000000
--- a/local.properties
+++ /dev/null
@@ -1,8 +0,0 @@
-## This file must *NOT* be checked into Version Control Systems,
-# as it contains information specific to your local configuration.
-#
-# Location of the SDK. This is only used by Gradle.
-# For customization when using a Version Control System, please read the
-# header note.
-#Fri Feb 10 23:10:31 EET 2023
-sdk.dir=C\:\\Users\\kareem\\AppData\\Local\\Android\\Sdk

From 62e5c9f04e36407e4497e880da18148304291a62 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 17:25:21 +0200
Subject: [PATCH 058/125] Revert "feature/cheapest banana prices"

---
 ...eapestBananaPricesCitiesNamesInteractor.kt | 21 +-------
 ...stBananaPricesCitiesNamesInteractorTest.kt | 49 ++++++++++++-------
 2 files changed, 32 insertions(+), 38 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index 5d08c97e5..ed2eb4c19 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -11,25 +11,6 @@ class GetCheapestBananaPricesCitiesNamesInteractor(
     }
 
     fun execute(vararg cityEntities: CityEntity): List<String> {
-        return if (cityEntities.isEmpty())
-            listOf("No Data is Entered !")
-        else cityEntities
-            .filter(::excludeNullBananaPrices)
-            .sortingWithBananaPrices()
-            .map { it.cityName }
-    }
-
-    private fun excludeNullBananaPrices(city: CityEntity): Boolean {
-        return city.fruitAndVegetablesPrices.banana1kg != null
-    }
-
-    /**
-     * Sort the list with the banana prices between CityEntities.
-     * @return sorted List<CityEntity>
-     */
-    private fun List<CityEntity>.sortingWithBananaPrices(): List<CityEntity> {
-        return this.sortedByDescending {
-            it.fruitAndVegetablesPrices.banana1kg
-        }
+    throw Throwable("Not Implemented yet")
     }
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index 5830b5e5a..f8ff8ca8a 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -1,14 +1,13 @@
 package interactor
 
 import dataSource.FakeDataSource
-import model.CityEntity
 import org.junit.jupiter.api.Assertions.*
 import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.TestInstance
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
-internal class GetCheapestBananaPricesCitiesNamesInteractorTest {
+internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
 
     private lateinit var fakeData: FakeDataSource
     private lateinit var getCheapestBananaPricesCitiesNamesInteractor: GetCheapestBananaPricesCitiesNamesInteractor
@@ -24,42 +23,56 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest {
     fun should_ReturnCorrectList_When_EnterValidData() {
         //Given
         fakeData.setDataType(FakeDataSource.DataType.VALID)
-        val data = getCheapestBananaPricesCitiesNamesInteractor.getCitiesVarArgs()
+
         //When
         val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*data)
+            execute(*getCitiesVarArgs())
         }
+
         //Then
-        assertTrue(
-            list == data
-                .sortedByDescending { it.fruitAndVegetablesPrices.banana1kg }
-                .map { it.cityName }
-        )
+        assertTrue(list.size == 20)
     }
 
     @Test
     fun should_ReturnEmptyList_When_EnterNullForAllBananaPrices() {
         //Given
         fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
-        val data = getCheapestBananaPricesCitiesNamesInteractor.getCitiesVarArgs()
-        //When entering null for all banana prices
+
+        //When
         val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*data)
+            execute(*getCitiesVarArgs())
         }
+
         //Then
         assertTrue(list.isEmpty())
     }
 
     @Test
-    fun should_ReturnNotValidList_When_EnterNoData() {
-        //Given empty array of CityEntities
-        val array = emptyArray<CityEntity>()
+    fun should_ReturnListHasNoNulls_When_EnterNullForSomeBananaPrices() {
+        //Given
+        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+
+        //When
+        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
+            execute(*getCitiesVarArgs())
+        }
+
+        //Then
+        assertTrue(list.size < 20)
+    }
+
+    @Test
+    fun should_ReturnEmptyList_When_EnterNoData() {
+        //Given
+        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
 
-        //When entering no data or empty array of CityEntities to execute()
-        val list = getCheapestBananaPricesCitiesNamesInteractor.execute(*array)
+        //When
+        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
+            execute(*getCitiesVarArgs())
+        }
 
         //Then
-        assertEquals(listOf("No Data is Entered !"), list)
+        assertTrue(list.isEmpty())
     }
 
 }
\ No newline at end of file

From cfed2bf9d439ada9d0ec14e9d5f535d9c227822a Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 17:26:54 +0200
Subject: [PATCH 059/125] Revert "Feature/get highest carbonated drinks prices"

---
 .idea/misc.xml                                |  7 +++
 build.gradle.kts                              | 31 +++++++++++
 local.properties                              |  8 +++
 ...HighestCarbonatedDrinksPricesInteractor.kt | 45 ----------------
 ...estCarbonatedDrinksPricesInteractorTest.kt | 53 -------------------
 5 files changed, 46 insertions(+), 98 deletions(-)
 create mode 100644 .idea/misc.xml
 create mode 100644 build.gradle.kts
 create mode 100644 local.properties
 delete mode 100644 src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
 delete mode 100644 src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt

diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 000000000..62269dfc3
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
new file mode 100644
index 000000000..f826fcc08
--- /dev/null
+++ b/build.gradle.kts
@@ -0,0 +1,31 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    kotlin("jvm") version "1.6.20"
+    application
+}
+
+group = "org.the-chance"
+version = "1.0-SNAPSHOT"
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testImplementation(kotlin("test"))
+    testImplementation("com.appmattus.fixture:fixture:1.2.0")
+    testImplementation("org.junit.jupiter:junit-jupiter")
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
+
+tasks.withType<KotlinCompile> {
+    kotlinOptions.jvmTarget = "1.8"
+}
+
+application {
+    mainClass.set("MainKt")
+}
\ No newline at end of file
diff --git a/local.properties b/local.properties
new file mode 100644
index 000000000..663e5ab69
--- /dev/null
+++ b/local.properties
@@ -0,0 +1,8 @@
+## This file must *NOT* be checked into Version Control Systems,
+# as it contains information specific to your local configuration.
+#
+# Location of the SDK. This is only used by Gradle.
+# For customization when using a Version Control System, please read the
+# header note.
+#Mon Feb 06 19:57:21 EET 2023
+sdk.dir=C\:\\Users\\Bg\\AppData\\Local\\Android\\Sdk
diff --git a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
deleted file mode 100644
index fb79c0aa2..000000000
--- a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
+++ /dev/null
@@ -1,45 +0,0 @@
-package interactor
-import model.CityEntity
-import model.DrinksPrices
-
-
-class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfLivingDataSource)
-{
-    fun execute () : List<Pair<String,Float>> {
-
-      val city : List<CityEntity> = dataSource.getAllCitiesData()
-          .filter { nullAndLowQualityDrinks(it) }
-          .sortedByDescending { avgPriceForASingleCity(it) }
-          .take(10)
-
-
-        return if
-            (city.isEmpty())
-        { emptyList()
-        }// listOf(Pair("no countries Found",0.0f))
-      else {pricesAvg(city)}
-    }
-
-private fun nullAndLowQualityDrinks (cityEntity: CityEntity):Boolean =
-
-            cityEntity.drinksPrices.cappuccinoRegularInRestaurants != null &&
-            cityEntity.drinksPrices.milkRegularOneLiter !=null &&
-            cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants !=null &&
-            cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants !=null &&
-            cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket !=null &&
-            cityEntity.dataQuality
-
-
-private fun pricesAvg (list: List<CityEntity>) : List<Pair<String,Float>>{
-    val finalList = mutableListOf<Pair<String,Float>>()
-    var avgPrice : Float
-    list.forEach {
-        avgPrice = avgPriceForASingleCity(it)
-        finalList.add(Pair(it.country,avgPrice))
-    }
-    return finalList
-}
-
-private fun avgPriceForASingleCity(cityEntity: CityEntity) = cityEntity.drinksPrices.milkRegularOneLiter!! + cityEntity.drinksPrices.cappuccinoRegularInRestaurants!! +
-        cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket!! + cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants!!+ cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants!!
-}
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
deleted file mode 100644
index a7215f08e..000000000
--- a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-package interactor
-
-
-import model.CityEntity
-import org.junit.jupiter.api.Assertions.*
-import org.junit.jupiter.api.TestInstance
-import dataSource.FakeDataSource
-import org.junit.jupiter.api.BeforeAll
-import org.junit.jupiter.api.Test
-
-@TestInstance(TestInstance.Lifecycle.PER_CLASS)
-class GetHighestCarbonatedDrinksPricesInteractorTest{
-
-    private lateinit var fakeData : FakeDataSource
-    private lateinit var getHighestCarbonatedDrinksPricesInteractor: GetHighestCarbonatedDrinksPricesInteractor
-    @BeforeAll
-    fun first(){
-        fakeData = FakeDataSource()
-        getHighestCarbonatedDrinksPricesInteractor = GetHighestCarbonatedDrinksPricesInteractor(fakeData)
-    }
-
-    @Test
-    fun should_return_listOfPairs_When_Data_Valid(){
-        //given
-        fakeData.setDataType(FakeDataSource.DataType.VALID)
-        //when
-        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
-        //then
-        assertTrue(listOfCountries.size ==10)
-    }
-
-    @Test
-    fun should_return_Null_When_Data_LowQuality(){
-        //given
-        fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
-        //when
-        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
-        //then
-        assertTrue(listOfCountries.isEmpty())
-    }
-
-    @Test
-    fun should_return_empty_List_When_Data_NotFound(){
-        //given
-        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
-
-        //when
-        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
-        //then
-        assertTrue(listOfCountries.isEmpty())
-    }
-
-}
\ No newline at end of file

From 097d8e73c0d29f307b68d1a225e836568e48ddb6 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Sun, 12 Feb 2023 17:55:33 +0200
Subject: [PATCH 060/125] Add files via upload

---
 build.gradle.kts | 60 ++++++++++++++++++++++++------------------------
 1 file changed, 30 insertions(+), 30 deletions(-)

diff --git a/build.gradle.kts b/build.gradle.kts
index f826fcc08..cdfbd1ad3 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,31 +1,31 @@
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-
-plugins {
-    kotlin("jvm") version "1.6.20"
-    application
-}
-
-group = "org.the-chance"
-version = "1.0-SNAPSHOT"
-
-repositories {
-    mavenCentral()
-}
-
-dependencies {
-    testImplementation(kotlin("test"))
-    testImplementation("com.appmattus.fixture:fixture:1.2.0")
-    testImplementation("org.junit.jupiter:junit-jupiter")
-}
-
-tasks.test {
-    useJUnitPlatform()
-}
-
-tasks.withType<KotlinCompile> {
-    kotlinOptions.jvmTarget = "1.8"
-}
-
-application {
-    mainClass.set("MainKt")
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    kotlin("jvm") version "1.6.20"
+    application
+}
+
+group = "org.the-chance"
+version = "1.0-SNAPSHOT"
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testImplementation(kotlin("test"))
+    testImplementation("com.appmattus.fixture:fixture:1.2.0")
+    testImplementation("org.junit.jupiter:junit-jupiter")
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
+
+tasks.withType<KotlinCompile> {
+    kotlinOptions.jvmTarget = "1.8"
+}
+
+application {
+    mainClass.set("MainKt")
 }
\ No newline at end of file

From b2b7519cfc0a8751d9e75172e2c0d934ea701d7e Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 18:18:08 +0200
Subject: [PATCH 061/125] update cheapest banana prices

---
 ...eapestBananaPricesCitiesNamesInteractor.kt | 16 ----
 ...stBananaPricesCitiesNamesInteractorTest.kt | 78 -------------------
 2 files changed, 94 deletions(-)
 delete mode 100644 src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
 delete mode 100644 src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
deleted file mode 100644
index ed2eb4c19..000000000
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ /dev/null
@@ -1,16 +0,0 @@
-package interactor
-
-import model.CityEntity
-
-class GetCheapestBananaPricesCitiesNamesInteractor(
-    private val dataSource: CostOfLivingDataSource
-) {
-
-    fun getCitiesVarArgs(): Array<CityEntity> {
-        return dataSource.getAllCitiesData().toTypedArray()
-    }
-
-    fun execute(vararg cityEntities: CityEntity): List<String> {
-    throw Throwable("Not Implemented yet")
-    }
-}
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
deleted file mode 100644
index f8ff8ca8a..000000000
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ /dev/null
@@ -1,78 +0,0 @@
-package interactor
-
-import dataSource.FakeDataSource
-import org.junit.jupiter.api.Assertions.*
-import org.junit.jupiter.api.BeforeAll
-import org.junit.jupiter.api.Test
-import org.junit.jupiter.api.TestInstance
-
-@TestInstance(TestInstance.Lifecycle.PER_CLASS)
-internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
-
-    private lateinit var fakeData: FakeDataSource
-    private lateinit var getCheapestBananaPricesCitiesNamesInteractor: GetCheapestBananaPricesCitiesNamesInteractor
-
-    @BeforeAll
-    fun init() {
-        fakeData = FakeDataSource()
-        getCheapestBananaPricesCitiesNamesInteractor =
-            GetCheapestBananaPricesCitiesNamesInteractor(fakeData)
-    }
-
-    @Test
-    fun should_ReturnCorrectList_When_EnterValidData() {
-        //Given
-        fakeData.setDataType(FakeDataSource.DataType.VALID)
-
-        //When
-        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*getCitiesVarArgs())
-        }
-
-        //Then
-        assertTrue(list.size == 20)
-    }
-
-    @Test
-    fun should_ReturnEmptyList_When_EnterNullForAllBananaPrices() {
-        //Given
-        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
-
-        //When
-        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*getCitiesVarArgs())
-        }
-
-        //Then
-        assertTrue(list.isEmpty())
-    }
-
-    @Test
-    fun should_ReturnListHasNoNulls_When_EnterNullForSomeBananaPrices() {
-        //Given
-        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
-
-        //When
-        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*getCitiesVarArgs())
-        }
-
-        //Then
-        assertTrue(list.size < 20)
-    }
-
-    @Test
-    fun should_ReturnEmptyList_When_EnterNoData() {
-        //Given
-        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
-
-        //When
-        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*getCitiesVarArgs())
-        }
-
-        //Then
-        assertTrue(list.isEmpty())
-    }
-
-}
\ No newline at end of file

From 21909d31ea50e707e0a8def64d3647ca3c3c46a2 Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Sun, 12 Feb 2023 18:46:12 +0200
Subject: [PATCH 062/125] update class hardcoded fake datasource

---
 .../dataSource/HardCodedFakeDataSource.kt     | 252 +++++++++++++++++-
 1 file changed, 250 insertions(+), 2 deletions(-)

diff --git a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
index 8b5fa38bf..c08f65c29 100644
--- a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
+++ b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
@@ -5,7 +5,14 @@ import model.*
 
 class HardCodedFakeDataSource : CostOfLivingDataSource {
 
-    private val cityList = mutableListOf<CityEntity>()
+    enum class DataType {
+        VALID, EMPTY, NULLABLE
+    }
+
+    private var dataType: DataType = DataType.VALID
+    fun setDatatype(_dataType: DataType) {
+        this.dataType = _dataType
+    }
 
     val cairoHighQuality by lazy {
         CityEntity(
@@ -229,10 +236,251 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
         )
     }
 
+    val baghdadHighQualityNull by lazy {
+        CityEntity(
+            cityName = "baghdad",
+            country = "iraq",
+            mealsPrices = MealsPrices(
+                mealInexpensiveRestaurant = 10f,
+                mealFor2PeopleMidRangeRestaurant = 5f,
+                mealAtMcDonaldSOrEquivalent = 3f
+            ),
+            drinksPrices = DrinksPrices(
+                cappuccinoRegularInRestaurants = 7f,
+                cokePepsiAThirdOfLiterBottleInRestaurants = 2f,
+                waterAThirdOfLiterBottleInRestaurants = 1f,
+                milkRegularOneLiter = 2f,
+                waterOneAndHalfLiterBottleAtTheMarket = 2.5f
+            ),
+            fruitAndVegetablesPrices = FruitAndVegetablesPrices(
+                apples1kg = 2f,
+                banana1kg = 1f,
+                oranges1kg = 1f,
+                tomato1kg = 3f,
+                potato1kg = 1f,
+                onion1kg = 1f,
+                lettuceOneHead = 0.25f
+            ),
+            foodPrices = FoodPrices(
+                loafOfFreshWhiteBread500g = 9f,
+                riceWhite1kg = 4f,
+                eggsRegular12 = null,
+                localCheese1kg = null,
+                chickenFillets1kg = 12f,
+                beefRound1kgOrEquivalentBackLegRedMeat = null
+            ),
+            servicesPrices = ServicesPrices(
+                basicElectricityHeatingCoolingWaterGarbageFor85m2Apartment = 25f,
+                oneMinOfPrepaidMobileTariffLocalNoDiscountsOrPlans = 30f,
+                internet60MbpsOrMoreUnlimitedDataCableAdsl = 20f,
+                fitnessClubMonthlyFeeForOneAdult = 100f,
+                tennisCourtRentOneHourOnWeekend = 100f,
+                cinemaInternationalReleaseOneSeat = 10f,
+                preschoolOrKindergartenFullDayPrivateMonthlyForOneChild = 100f,
+                internationalPrimarySchoolYearlyForOneChild = 1000f
+            ),
+            clothesPrices = ClothesPrices(
+                onePairOfJeansLevis50oneOrSimilar = 60f,
+                oneSummerDressInAChainStoreZaraHAndM = 90f,
+                onePairOfNikeRunningShoesMidRange = 80f,
+                onePairOfMenLeatherBusinessShoes = 300f
+            ),
+            transportationsPrices = TransportationsPrices(
+                oneWayTicketLocalTransport = 5f,
+                monthlyPassRegularPrice = 60f,
+                taxiStartNormalTariff = 20f,
+                taxi1kmNormalTariff = 30f,
+                taxi1hourWaitingNormalTariff = 60f,
+                gasolineOneLiter = 2f
+            ),
+            carsPrices = CarsPrices(
+                volkswagenGolf_1_4_90kwTrendLineOrEquivalentNewCar = 300000f,
+                toyotaCorollaSedan_1_6l_97kwComfortOrEquivalentNewCar = 250000f
+            ),
+            realEstatesPrices = RealEstatesPrices(
+                apartmentOneBedroomInCityCentre = 500000f,
+                apartmentOneBedroomOutsideOfCentre = 300000f,
+                apartment3BedroomsInCityCentre = 800000f,
+                apartment3BedroomsOutsideOfCentre = 500000f,
+                pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
+                pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
+            ),
+            averageMonthlyNetSalaryAfterTax = 14000f,
+            dataQuality = true
+        )
+    }
+
+    val rabatLowQualityNull by lazy {
+        CityEntity(
+            cityName = "rabat",
+            country = "morocco",
+            mealsPrices = MealsPrices(
+                mealInexpensiveRestaurant = 10f,
+                mealFor2PeopleMidRangeRestaurant = 5f,
+                mealAtMcDonaldSOrEquivalent = 3f
+            ),
+            drinksPrices = DrinksPrices(
+                cappuccinoRegularInRestaurants = 7f,
+                cokePepsiAThirdOfLiterBottleInRestaurants = 2f,
+                waterAThirdOfLiterBottleInRestaurants = 1f,
+                milkRegularOneLiter = 2f,
+                waterOneAndHalfLiterBottleAtTheMarket = 2.5f
+            ),
+            fruitAndVegetablesPrices = FruitAndVegetablesPrices(
+                apples1kg = 2f,
+                banana1kg = 1f,
+                oranges1kg = 1f,
+                tomato1kg = 3f,
+                potato1kg = 1f,
+                onion1kg = 1f,
+                lettuceOneHead = 0.25f
+            ),
+            foodPrices = FoodPrices(
+                loafOfFreshWhiteBread500g = 9f,
+                riceWhite1kg = 4f,
+                eggsRegular12 = 3f,
+                localCheese1kg = 1f,
+                chickenFillets1kg = 12f,
+                beefRound1kgOrEquivalentBackLegRedMeat = null
+            ),
+            servicesPrices = ServicesPrices(
+                basicElectricityHeatingCoolingWaterGarbageFor85m2Apartment = 25f,
+                oneMinOfPrepaidMobileTariffLocalNoDiscountsOrPlans = 30f,
+                internet60MbpsOrMoreUnlimitedDataCableAdsl = 20f,
+                fitnessClubMonthlyFeeForOneAdult = 100f,
+                tennisCourtRentOneHourOnWeekend = 100f,
+                cinemaInternationalReleaseOneSeat = 10f,
+                preschoolOrKindergartenFullDayPrivateMonthlyForOneChild = 100f,
+                internationalPrimarySchoolYearlyForOneChild = 1000f
+            ),
+            clothesPrices = ClothesPrices(
+                onePairOfJeansLevis50oneOrSimilar = 60f,
+                oneSummerDressInAChainStoreZaraHAndM = 90f,
+                onePairOfNikeRunningShoesMidRange = 80f,
+                onePairOfMenLeatherBusinessShoes = 300f
+            ),
+            transportationsPrices = TransportationsPrices(
+                oneWayTicketLocalTransport = 5f,
+                monthlyPassRegularPrice = 60f,
+                taxiStartNormalTariff = 20f,
+                taxi1kmNormalTariff = 30f,
+                taxi1hourWaitingNormalTariff = 60f,
+                gasolineOneLiter = 2f
+            ),
+            carsPrices = CarsPrices(
+                volkswagenGolf_1_4_90kwTrendLineOrEquivalentNewCar = 300000f,
+                toyotaCorollaSedan_1_6l_97kwComfortOrEquivalentNewCar = 250000f
+            ),
+            realEstatesPrices = RealEstatesPrices(
+                apartmentOneBedroomInCityCentre = 500000f,
+                apartmentOneBedroomOutsideOfCentre = 300000f,
+                apartment3BedroomsInCityCentre = 800000f,
+                apartment3BedroomsOutsideOfCentre = 500000f,
+                pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
+                pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
+            ),
+            averageMonthlyNetSalaryAfterTax = 3000f,
+            dataQuality = false
+        )
+    }
+
+    val berlinHighQualityNull by lazy {
+        CityEntity(
+            cityName = "berlin",
+            country = "germany",
+            mealsPrices = MealsPrices(
+                mealInexpensiveRestaurant = 10f,
+                mealFor2PeopleMidRangeRestaurant = 5f,
+                mealAtMcDonaldSOrEquivalent = 3f
+            ),
+            drinksPrices = DrinksPrices(
+                cappuccinoRegularInRestaurants = 7f,
+                cokePepsiAThirdOfLiterBottleInRestaurants = 2f,
+                waterAThirdOfLiterBottleInRestaurants = 1f,
+                milkRegularOneLiter = 2f,
+                waterOneAndHalfLiterBottleAtTheMarket = 2.5f
+            ),
+            fruitAndVegetablesPrices = FruitAndVegetablesPrices(
+                apples1kg = 2f,
+                banana1kg = 1f,
+                oranges1kg = 1f,
+                tomato1kg = 3f,
+                potato1kg = 1f,
+                onion1kg = 1f,
+                lettuceOneHead = 0.25f
+            ),
+            foodPrices = FoodPrices(
+                loafOfFreshWhiteBread500g = 9f,
+                riceWhite1kg = 4f,
+                eggsRegular12 = 3f,
+                localCheese1kg = 1f,
+                chickenFillets1kg = 12f,
+                beefRound1kgOrEquivalentBackLegRedMeat = 20f
+            ),
+            servicesPrices = ServicesPrices(
+                basicElectricityHeatingCoolingWaterGarbageFor85m2Apartment = 25f,
+                oneMinOfPrepaidMobileTariffLocalNoDiscountsOrPlans = 30f,
+                internet60MbpsOrMoreUnlimitedDataCableAdsl = 20f,
+                fitnessClubMonthlyFeeForOneAdult = 100f,
+                tennisCourtRentOneHourOnWeekend = 100f,
+                cinemaInternationalReleaseOneSeat = 10f,
+                preschoolOrKindergartenFullDayPrivateMonthlyForOneChild = 100f,
+                internationalPrimarySchoolYearlyForOneChild = 1000f
+            ),
+            clothesPrices = ClothesPrices(
+                onePairOfJeansLevis50oneOrSimilar = 60f,
+                oneSummerDressInAChainStoreZaraHAndM = 90f,
+                onePairOfNikeRunningShoesMidRange = 80f,
+                onePairOfMenLeatherBusinessShoes = 300f
+            ),
+            transportationsPrices = TransportationsPrices(
+                oneWayTicketLocalTransport = 5f,
+                monthlyPassRegularPrice = 60f,
+                taxiStartNormalTariff = 20f,
+                taxi1kmNormalTariff = 30f,
+                taxi1hourWaitingNormalTariff = 60f,
+                gasolineOneLiter = 2f
+            ),
+            carsPrices = CarsPrices(
+                volkswagenGolf_1_4_90kwTrendLineOrEquivalentNewCar = 300000f,
+                toyotaCorollaSedan_1_6l_97kwComfortOrEquivalentNewCar = 250000f
+            ),
+            realEstatesPrices = RealEstatesPrices(
+                apartmentOneBedroomInCityCentre = 500000f,
+                apartmentOneBedroomOutsideOfCentre = 300000f,
+                apartment3BedroomsInCityCentre = 800000f,
+                apartment3BedroomsOutsideOfCentre = 500000f,
+                pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
+                pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
+            ),
+            averageMonthlyNetSalaryAfterTax = null,
+            dataQuality = true
+        )
+    }
+
+    private val cityList = mutableListOf<CityEntity>()
+    private val nullableCityList = mutableListOf<CityEntity>()
+
     override fun getAllCitiesData(): List<CityEntity> {
         cityList.add(cairoHighQuality)
         cityList.add(londonLowQuality)
         cityList.add(parisHighQuality)
-        return cityList
+        cityList.add(baghdadHighQualityNull)
+        cityList.add(rabatLowQualityNull)
+        cityList.add(berlinHighQualityNull)
+        nullableCityList.add(baghdadHighQualityNull)
+        nullableCityList.add(rabatLowQualityNull)
+        nullableCityList.add(berlinHighQualityNull)
+        return when (dataType) {
+            DataType.VALID -> {
+                cityList
+            }
+            DataType.EMPTY -> {
+                emptyList<CityEntity>()
+            }
+            DataType.NULLABLE -> {
+                nullableCityList
+            }
+        }
     }
 }
\ No newline at end of file

From a62d22d498ae8fbc3b6483ea2712f711ade6d8f3 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 19:07:27 +0200
Subject: [PATCH 063/125] setup
 GetCheapestBananaPricesCitiesNamesInteractorTest class

---
 src/main/kotlin/Main.kt                                   | 5 +----
 .../GetCheapestBananaPricesCitiesNamesInteractor.kt       | 8 ++++++++
 .../GetCheapestBananaPricesCitiesNamesInteractorTest.kt   | 8 ++++++++
 3 files changed, 17 insertions(+), 4 deletions(-)
 create mode 100644 src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
 create mode 100644 src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index 2c37adf2f..4ae29f04b 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -20,10 +20,7 @@ fun main() {
     println(getCityHasCheapestInternetConnectionInteractor.execute())
     printSeparationLine()
 
-    val getCheapestBananaPricesCitiesNamesInteractor=GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
-    getCheapestBananaPricesCitiesNamesInteractor.apply {
-       println(execute(*getCitiesVarArgs()))
-    }
+
 
 }
 
diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
new file mode 100644
index 000000000..efc74354c
--- /dev/null
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -0,0 +1,8 @@
+package interactor
+
+class  GetCheapestBananaPricesCitiesNamesInteractor(
+    private val dataSource: CostOfLivingDataSource
+) {
+
+
+}
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
new file mode 100644
index 000000000..90a8f6c87
--- /dev/null
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -0,0 +1,8 @@
+package interactor
+
+import org.junit.jupiter.api.Assertions.*
+
+internal class GetCheapestBananaPricesCitiesNamesInteractorTest{
+
+
+}
\ No newline at end of file

From 60cf030276a3f76d19488a84d42a75a7bcc3f32d Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 19:11:26 +0200
Subject: [PATCH 064/125] setup
 GetCheapestBananaPricesCitiesNamesInteractorTest methods

---
 src/main/kotlin/Main.kt                                   | 5 ++++-
 .../GetCheapestBananaPricesCitiesNamesInteractor.kt       | 8 ++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index 4ae29f04b..2c37adf2f 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -20,7 +20,10 @@ fun main() {
     println(getCityHasCheapestInternetConnectionInteractor.execute())
     printSeparationLine()
 
-
+    val getCheapestBananaPricesCitiesNamesInteractor=GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
+    getCheapestBananaPricesCitiesNamesInteractor.apply {
+       println(execute(*getCitiesVarArgs()))
+    }
 
 }
 
diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index efc74354c..336d33fba 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -1,8 +1,16 @@
 package interactor
 
+import model.CityEntity
+
 class  GetCheapestBananaPricesCitiesNamesInteractor(
     private val dataSource: CostOfLivingDataSource
 ) {
 
+    fun getCitiesVarArgs(): Array<CityEntity> {
+        return dataSource.getAllCitiesData().toTypedArray()
+    }
+    fun execute(vararg cityEntities: CityEntity): List<String> {
+        return emptyList()
+    }
 
 }
\ No newline at end of file

From b04a95610c0ecd292230baecd157931897142213 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 19:15:33 +0200
Subject: [PATCH 065/125] setup test cases

---
 ...eapestBananaPricesCitiesNamesInteractor.kt |  2 +-
 ...stBananaPricesCitiesNamesInteractorTest.kt | 60 ++++++++++++++++++-
 2 files changed, 60 insertions(+), 2 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index 336d33fba..b8645807e 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -10,7 +10,7 @@ class  GetCheapestBananaPricesCitiesNamesInteractor(
         return dataSource.getAllCitiesData().toTypedArray()
     }
     fun execute(vararg cityEntities: CityEntity): List<String> {
-        return emptyList()
+        throw Throwable("Not Implemented yet")
     }
 
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index 90a8f6c87..5c339718e 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -1,8 +1,66 @@
 package interactor
 
+import dataSource.FakeDataSource
+import model.CityEntity
 import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
 
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
 internal class GetCheapestBananaPricesCitiesNamesInteractorTest{
 
+    private lateinit var fakeData: FakeDataSource
+    private lateinit var getCheapestBananaPricesCitiesNamesInteractor: GetCheapestBananaPricesCitiesNamesInteractor
+
+    @BeforeAll
+    fun init() {
+        fakeData = FakeDataSource()
+        getCheapestBananaPricesCitiesNamesInteractor =
+            GetCheapestBananaPricesCitiesNamesInteractor(fakeData)
+    }
+
+    @Test
+    fun should_ReturnCorrectList_When_EnterValidData() {
+        //Given
+        fakeData.setDataType(FakeDataSource.DataType.VALID)
+        val data = getCheapestBananaPricesCitiesNamesInteractor.getCitiesVarArgs()
+        //When
+        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
+            execute(*data)
+        }
+        //Then
+        assertTrue(
+            list == data
+                .sortedByDescending { it.fruitAndVegetablesPrices.banana1kg }
+                .map { it.cityName }
+        )
+    }
+
+    @Test
+    fun should_ReturnEmptyList_When_EnterNullForAllBananaPrices() {
+        //Given
+        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+        val data = getCheapestBananaPricesCitiesNamesInteractor.getCitiesVarArgs()
+        //When entering null for all banana prices
+        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
+            execute(*data)
+        }
+        //Then
+        assertTrue(list.isEmpty())
+    }
+
+    @Test
+    fun should_ReturnNotValidList_When_EnterNoData() {
+        //Given empty array of CityEntities
+        val array = emptyArray<CityEntity>()
+
+        //When entering no data or empty array of CityEntities to execute()
+        val list = getCheapestBananaPricesCitiesNamesInteractor.execute(*array)
+
+        //Then
+        assertEquals(listOf("No Data is Entered !"), list)
+    }
+
+}
 
-}
\ No newline at end of file

From 26942b88e20b48c38938897d8ce95db51dc10078 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 19:18:08 +0200
Subject: [PATCH 066/125] pass test case 1

---
 .../GetCheapestBananaPricesCitiesNamesInteractor.kt         | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index b8645807e..c626c967f 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -10,7 +10,9 @@ class  GetCheapestBananaPricesCitiesNamesInteractor(
         return dataSource.getAllCitiesData().toTypedArray()
     }
     fun execute(vararg cityEntities: CityEntity): List<String> {
-        throw Throwable("Not Implemented yet")
+        return if (cityEntities.isEmpty())
+            listOf("No Data is Entered !")
+       else  throw Throwable("Not Implemented yet")
     }
 
-}
\ No newline at end of file
+}

From 4fb827770bca2721c63b522520abd67ceb9686f1 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 19:19:29 +0200
Subject: [PATCH 067/125] pass test case 2 ,3

---
 ...heapestBananaPricesCitiesNamesInteractor.kt | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index c626c967f..77c9d346c 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -12,7 +12,23 @@ class  GetCheapestBananaPricesCitiesNamesInteractor(
     fun execute(vararg cityEntities: CityEntity): List<String> {
         return if (cityEntities.isEmpty())
             listOf("No Data is Entered !")
-       else  throw Throwable("Not Implemented yet")
+        else cityEntities
+            .filter(::excludeNullBananaPrices)
+            .sortingWithBananaPrices()
+            .map { it.cityName }
     }
 
+    private fun excludeNullBananaPrices(city: CityEntity): Boolean {
+        return city.fruitAndVegetablesPrices.banana1kg != null
+    }
+
+    /**
+     * Sort the list with the banana prices between CityEntities.
+     * @return sorted List<CityEntity>
+     */
+    private fun List<CityEntity>.sortingWithBananaPrices(): List<CityEntity> {
+        return this.sortedByDescending {
+            it.fruitAndVegetablesPrices.banana1kg
+        }
+    }
 }

From 1b7b6a8b80f3b432fd28aa24223df16ed7816c0d Mon Sep 17 00:00:00 2001
From: Menna Akram <mennaakram976@gmail.com>
Date: Sun, 12 Feb 2023 20:21:27 +0200
Subject: [PATCH 068/125] improve function implementation

---
 ...geOfFruitsAndVegetablesPricesInteractor.kt | 44 +++++++++++--------
 1 file changed, 25 insertions(+), 19 deletions(-)

diff --git a/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt b/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
index 4fd388f4c..eb03b8577 100644
--- a/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
@@ -1,21 +1,35 @@
 package interactor
 
+import model.CityEntity
+
 class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor
     (private val dataSource: CostOfLivingDataSource) {
 
     fun execute(): List<String> {
         val list = dataSource.getAllCitiesData()
-            .filter {
-                it.averageMonthlyNetSalaryAfterTax != null &&
-                        it.fruitAndVegetablesPrices.apples1kg != null &&
-                        it.fruitAndVegetablesPrices.banana1kg != null &&
-                        it.fruitAndVegetablesPrices.lettuceOneHead != null &&
-                        it.fruitAndVegetablesPrices.onion1kg != null &&
-                        it.fruitAndVegetablesPrices.tomato1kg != null &&
-                        it.fruitAndVegetablesPrices.potato1kg != null &&
-                        it.fruitAndVegetablesPrices.oranges1kg != null
-            }
+            .filter( ::excludeNullSalariesAndNullPrices )
+
+      val average = averageOfFruitsAndVegetables(list)
+
+        return list
+            .filter { it.averageMonthlyNetSalaryAfterTax!! > average }
+            .sortedBy { it.averageMonthlyNetSalaryAfterTax }
+            .take(10)
+            .map { it.cityName }
+    }
 
+    private fun excludeNullSalariesAndNullPrices(city: CityEntity): Boolean {
+        return city.averageMonthlyNetSalaryAfterTax != null &&
+                city.fruitAndVegetablesPrices.apples1kg != null &&
+                city.fruitAndVegetablesPrices.banana1kg != null &&
+                city.fruitAndVegetablesPrices.lettuceOneHead != null &&
+                city.fruitAndVegetablesPrices.onion1kg != null &&
+                city.fruitAndVegetablesPrices.tomato1kg != null &&
+                city.fruitAndVegetablesPrices.potato1kg != null &&
+                city.fruitAndVegetablesPrices.oranges1kg != null
+    }
+
+    private fun averageOfFruitsAndVegetables(list: List<CityEntity>): Float {
         var sum = 0f
         for (city in list) {
             with(city.fruitAndVegetablesPrices) {
@@ -24,14 +38,6 @@ class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor
             }
         }
 
-        val average = sum / (7 * list.size)
-
-        val salariesThatLessThanAverage = list
-            .filter { it.averageMonthlyNetSalaryAfterTax!! > average }
-            .sortedBy { it.averageMonthlyNetSalaryAfterTax }
-            .take(10)
-            .map { it.cityName }
-
-        return salariesThatLessThanAverage
+        return sum / (7 * list.size)
     }
 }
\ No newline at end of file

From 568d82a32a750c38ff48edf475d0d5df3a85719a Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Sun, 12 Feb 2023 20:36:15 +0200
Subject: [PATCH 069/125] update test class cases

---
 ...ityForMoreSavingsPerMonthInteractorTest.kt | 31 ++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt b/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
index 336521dfd..deec3c81c 100644
--- a/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
@@ -1,10 +1,11 @@
 package interactor
 
 import dataSource.HardCodedFakeDataSource
+import org.junit.jupiter.api.Assertions.assertThrows
 import org.junit.jupiter.api.BeforeAll
-
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.TestInstance
+import org.junit.jupiter.api.function.Executable
 import kotlin.test.assertEquals
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
@@ -31,5 +32,33 @@ internal class GetMostSuitableCityForMoreSavingsPerMonthInteractorTest {
         assertEquals(expectedCity,cityEntity)
     }
 
+    @Test
+    fun should_ReturnException_When_EnterEmptyCityList() {
+        // given
+        dataSource.setDatatype(HardCodedFakeDataSource.DataType.EMPTY)
+        // when
+        val emptyCityEntity = Executable {
+            getMostSuitableCity.run {
+                execute()
+            }
+        }
+        // then
+        assertThrows(Exception::class.java,emptyCityEntity)
+    }
+
+    @Test
+    fun should_ReturnException_When_EnterNullableCityList() {
+        // given
+        dataSource.setDatatype(HardCodedFakeDataSource.DataType.NULLABLE)
+        // when
+        val emptyCityEntity = Executable {
+            getMostSuitableCity.run {
+                execute()
+            }
+        }
+        // then
+        assertThrows(Exception::class.java,emptyCityEntity)
+    }
+
 
 }
\ No newline at end of file

From 52ca53ebfca3b6de6e1c7c6db729565b2eb7b878 Mon Sep 17 00:00:00 2001
From: kareem eldeen esam <kareemesam52@yahoo.com>
Date: Sun, 12 Feb 2023 21:24:51 +0200
Subject: [PATCH 070/125] implement execute & all tests passes

---
 ...HighestCarbonatedDrinksPricesInteractor.kt | 50 ++++++++++---------
 ...estCarbonatedDrinksPricesInteractorTest.kt | 17 ++++---
 2 files changed, 36 insertions(+), 31 deletions(-)

diff --git a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
index eca4ba789..b0c315963 100644
--- a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
@@ -1,5 +1,4 @@
 package interactor
-
 import model.CityEntity
 import model.DrinksPrices
 
@@ -8,34 +7,39 @@ class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfL
 {
     fun execute () : List<Pair<String,Float>> {
 
-      val city : List<CityEntity> = dataSource.getAllCitiesData().filter { nullDrinks(it) }
-          val listOfCities  = sortingDescending(city)
-        return pricesAvg(listOfCities)
-    }
+        val city : List<CityEntity> = dataSource.getAllCitiesData()
+            .filter { nullAndLowQualityDrinks(it) }
+            .sortedByDescending { avgPriceForASingleCity(it) }
+            .take(10)
 
-private fun nullDrinks (cityEntity: CityEntity):Boolean =
-            cityEntity.drinksPrices.cappuccinoRegularInRestaurants != null &&
-            cityEntity.drinksPrices.milkRegularOneLiter !=null &&
-            cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants !=null &&
-            cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants !=null &&
-            cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket !=null
 
+        return if
+                       (city.isEmpty())
+        { emptyList()
+        }// listOf(Pair("no countries Found",0.0f))
+        else {pricesAvg(city)}
+    }
 
-private fun sortingDescending(list: List<CityEntity>) =
-    list.sortedBy { avgPriceForASingleCity(it) }.take(10)
+    private fun nullAndLowQualityDrinks (cityEntity: CityEntity):Boolean =
 
+        cityEntity.drinksPrices.cappuccinoRegularInRestaurants != null &&
+                cityEntity.drinksPrices.milkRegularOneLiter !=null &&
+                cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants !=null &&
+                cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants !=null &&
+                cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket !=null &&
+                cityEntity.dataQuality
 
 
-private fun pricesAvg (list: List<CityEntity>) : List<Pair<String,Float>>{
-    val finalList = mutableListOf<Pair<String,Float>>()
-    var avgPrice : Float
-    list.forEach {
-        avgPrice = avgPriceForASingleCity(it)
-        finalList.add(Pair(it.country,avgPrice))
+    private fun pricesAvg (list: List<CityEntity>) : List<Pair<String,Float>>{
+        val finalList = mutableListOf<Pair<String,Float>>()
+        var avgPrice : Float
+        list.forEach {
+            avgPrice = avgPriceForASingleCity(it)
+            finalList.add(Pair(it.country,avgPrice))
+        }
+        return finalList
     }
-    return finalList
-}
 
-private fun avgPriceForASingleCity(cityEntity: CityEntity) = cityEntity.drinksPrices.milkRegularOneLiter!! + cityEntity.drinksPrices.cappuccinoRegularInRestaurants!! +
-        cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket!! + cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants!!+ cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants!!
+    private fun avgPriceForASingleCity(cityEntity: CityEntity) = cityEntity.drinksPrices.milkRegularOneLiter!! + cityEntity.drinksPrices.cappuccinoRegularInRestaurants!! +
+            cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket!! + cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants!!+ cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants!!
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
index 45fc37b65..a7215f08e 100644
--- a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
@@ -9,7 +9,7 @@ import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
-class GetHighestCarbonatedDrinksPricesInteractorTest(){
+class GetHighestCarbonatedDrinksPricesInteractorTest{
 
     private lateinit var fakeData : FakeDataSource
     private lateinit var getHighestCarbonatedDrinksPricesInteractor: GetHighestCarbonatedDrinksPricesInteractor
@@ -22,9 +22,9 @@ class GetHighestCarbonatedDrinksPricesInteractorTest(){
     @Test
     fun should_return_listOfPairs_When_Data_Valid(){
         //given
-        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
-        //when
         fakeData.setDataType(FakeDataSource.DataType.VALID)
+        //when
+        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
         //then
         assertTrue(listOfCountries.size ==10)
     }
@@ -32,19 +32,20 @@ class GetHighestCarbonatedDrinksPricesInteractorTest(){
     @Test
     fun should_return_Null_When_Data_LowQuality(){
         //given
-        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
-        //when
         fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
+        //when
+        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
         //then
         assertTrue(listOfCountries.isEmpty())
     }
 
     @Test
-    fun should_return_Null_When_Data_NotFound(){
+    fun should_return_empty_List_When_Data_NotFound(){
         //given
-        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
+        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+
         //when
-        fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
+        val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
         //then
         assertTrue(listOfCountries.isEmpty())
     }

From 9fab6a0cc42e38661aa92f9a822d02d1c7f963c4 Mon Sep 17 00:00:00 2001
From: mahmoud <mahmouddeif91@gmail.com>
Date: Sun, 12 Feb 2023 21:40:18 +0200
Subject: [PATCH 071/125] create function class create function task of the
 five best cities to buy clothes

---
 src/main/kotlin/Main.kt                       |  6 ++++-
 ...oppingClothesFromFamousBrandsInteractor.kt | 26 ++++++++++++++++++-
 ...ngClothesFromFamousBrandsInteractorTest.kt | 22 +++++++++++++++-
 3 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index d7f5201cd..7a0f86f81 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -22,9 +22,13 @@ fun main() {
     getCheapestBananaPricesCitiesNamesInteractor.apply {
        println(execute(*getCitiesVarArgs()))
     }
+    printSeparationLine()
+
+    val getBestClothesPriceCitiesNameInteractor = GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor(dataSource)
+    println(getBestClothesPriceCitiesNameInteractor.execute(limit = 5))
+    printSeparationLine()
 
 }
 private fun printSeparationLine(){
     print("\n_______________________________\n")
 }
-
diff --git a/src/main/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt b/src/main/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt
index 27afa89bd..447346b49 100644
--- a/src/main/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt
+++ b/src/main/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt
@@ -1,12 +1,36 @@
 package interactor
 
+import model.CityEntity
+
 class GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor(
     private val dataSource: CostOfLivingDataSource,
 ) {
 
     fun execute(limit: Int): List<String> {
+        return dataSource
+            .getAllCitiesData()
+            .filter(::excludeNullClothesPricesAndBrandClothesData)
+            .sortedByDescending {
+                it.clothesPrices.onePairOfJeansLevis50oneOrSimilar
+                    ?.plus(
+                        it.clothesPrices.onePairOfMenLeatherBusinessShoes
+                        !!.plus(
+                            it.clothesPrices.onePairOfNikeRunningShoesMidRange!!
+                                .plus(it.clothesPrices.oneSummerDressInAChainStoreZaraHAndM!!)
+                        )
+                    )
+            }
+            .take(limit)
+            .map { it.cityName }
+    }
+
 
+    private fun excludeNullClothesPricesAndBrandClothesData(city: CityEntity): Boolean {
+        return city.clothesPrices.onePairOfJeansLevis50oneOrSimilar != null &&
+                city.clothesPrices.onePairOfMenLeatherBusinessShoes != null &&
+                city.clothesPrices.onePairOfNikeRunningShoesMidRange != null &&
+                city.clothesPrices.oneSummerDressInAChainStoreZaraHAndM != null
     }
 
 
-}
\ No newline at end of file
+}
diff --git a/src/test/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest.kt b/src/test/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest.kt
index f73c0dd9d..767d7f91a 100644
--- a/src/test/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest.kt
@@ -1,12 +1,32 @@
 package interactor
 
+import model.FakeDataSource
 import org.junit.jupiter.api.Test
 
 import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.BeforeAll
 
 internal class GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest {
 
+    private lateinit var fakeData: FakeDataSource
+    private lateinit var GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor: GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor
+
+    @BeforeAll
+    fun init() {
+        fakeData = FakeDataSource()
+        GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor =
+            GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor(fakeData)
+    }
+
     @Test
-    fun execute() {
+    fun should_ReturnCorrectList_When_EnterValidData() {
+        //Given
+        fakeData.setDataType(FakeDataSource.DataType.VALID)
+
+        //When
+        val list = GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.execute(5)
+
+        //Then
+        assertTrue(list.size == 5)
     }
 }
\ No newline at end of file

From 45c848f5b88824817041dc9a6cd9506680fb6d81 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Sun, 12 Feb 2023 21:42:28 +0200
Subject: [PATCH 072/125] update a comment

---
 .../GetCheapestBananaPricesCitiesNamesInteractorTest.kt         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index 5c339718e..2944de80f 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -25,7 +25,7 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest{
         //Given
         fakeData.setDataType(FakeDataSource.DataType.VALID)
         val data = getCheapestBananaPricesCitiesNamesInteractor.getCitiesVarArgs()
-        //When
+        //When valid data is entered
         val list = getCheapestBananaPricesCitiesNamesInteractor.run {
             execute(*data)
         }

From 73d10bf2f7821cde2ef0f95e3f6214b89b977952 Mon Sep 17 00:00:00 2001
From: Menna Akram <mennaakram976@gmail.com>
Date: Sun, 12 Feb 2023 21:57:59 +0200
Subject: [PATCH 073/125] test the function in the main

---
 src/main/kotlin/Main.kt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index 2c37adf2f..9df060fb0 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -10,6 +10,11 @@ fun main() {
     println(getHighestSalaryAverageCities.execute(limit = 10))
     printSeparationLine()
 
+    val getTenCitiesHaveTheAverageOfFruitsAndVegetablesPrices =
+        GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor(dataSource)
+    println(getTenCitiesHaveTheAverageOfFruitsAndVegetablesPrices.execute())
+    printSeparationLine()
+
     val getCheapestApartmentsCitiesNamesInteractor = GetCheapestApartmentsCitiesNamesInteractor(dataSource)
     getCheapestApartmentsCitiesNamesInteractor.execute(10).forEach {
         println("Number of years needed to buy a 100m apartment in ${it.first} city is : " + "%.2f".format(it.second))

From 60b99c1e92e45873a9559ebf25b4142122e1f300 Mon Sep 17 00:00:00 2001
From: kareem-01 <kareemesam52@yahoo.com>
Date: Mon, 13 Feb 2023 03:06:51 +0200
Subject: [PATCH 074/125] tested main

---
 src/main/kotlin/Main.kt                       | 20 +++++++++++--------
 ...HighestCarbonatedDrinksPricesInteractor.kt | 12 ++++++-----
 2 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index 2c37adf2f..1a3a67b54 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -16,15 +16,19 @@ fun main() {
     }
     printSeparationLine()
 
-    val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
-    println(getCityHasCheapestInternetConnectionInteractor.execute())
-    printSeparationLine()
-
-    val getCheapestBananaPricesCitiesNamesInteractor=GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
-    getCheapestBananaPricesCitiesNamesInteractor.apply {
-       println(execute(*getCitiesVarArgs()))
+//    val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
+//    println(getCityHasCheapestInternetConnectionInteractor.execute())
+//    printSeparationLine()
+
+//    val getCheapestBananaPricesCitiesNamesInteractor=GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
+//    getCheapestBananaPricesCitiesNamesInteractor.apply {
+//       println(execute(*getCitiesVarArgs()))
+//    }
+    val getHighestCarbonatedDrinksPricesInteractor =GetHighestCarbonatedDrinksPricesInteractor(dataSource)
+
+    getHighestCarbonatedDrinksPricesInteractor.execute().forEach {
+        println("Country name :${it.first}  average prices : ${it.second}")
     }
-
 }
 
 private fun printSeparationLine() {
diff --git a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
index b0c315963..f0446209b 100644
--- a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
@@ -13,10 +13,9 @@ class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfL
             .take(10)
 
 
-        return if
-                       (city.isEmpty())
+        return if (city.isEmpty())
         { emptyList()
-        }// listOf(Pair("no countries Found",0.0f))
+        }
         else {pricesAvg(city)}
     }
 
@@ -40,6 +39,9 @@ class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfL
         return finalList
     }
 
-    private fun avgPriceForASingleCity(cityEntity: CityEntity) = cityEntity.drinksPrices.milkRegularOneLiter!! + cityEntity.drinksPrices.cappuccinoRegularInRestaurants!! +
-            cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket!! + cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants!!+ cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants!!
+    private fun avgPriceForASingleCity(cityEntity: CityEntity) = (cityEntity.drinksPrices.milkRegularOneLiter!! +
+            cityEntity.drinksPrices.cappuccinoRegularInRestaurants!! +
+            cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket!! +
+            cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants!!+
+            cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants!!)/5
 }
\ No newline at end of file

From 20bf89337786875375b5e3247ca20184c1bb0d34 Mon Sep 17 00:00:00 2001
From: ahmedfikry <ahmedfikryelshimi24@gmail.com>
Date: Mon, 13 Feb 2023 11:43:46 +0200
Subject: [PATCH 075/125] create test cases

---
 .../interactor/GetCityManagerExpectation.kt   | 11 +++--
 .../GetCityManagerExpectationTest.kt          | 43 ++++++++++++++++++-
 2 files changed, 49 insertions(+), 5 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCityManagerExpectation.kt b/src/main/kotlin/interactor/GetCityManagerExpectation.kt
index ded8a2c6e..7e711eb85 100644
--- a/src/main/kotlin/interactor/GetCityManagerExpectation.kt
+++ b/src/main/kotlin/interactor/GetCityManagerExpectation.kt
@@ -2,8 +2,11 @@ package interactor
 
 class GetCityManagerExpectation(
     private val dataSource: CostOfLivingDataSource
-){
-   fun execute (){
+) {
+    fun execute(): String {
+        val data = dataSource.getAllCitiesData()
 
-   }
-}
\ No newline at end of file
+        return ""
+    }
+
+    }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt b/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt
index b0f976bc7..1c36ed867 100644
--- a/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt
+++ b/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt
@@ -1,3 +1,44 @@
 package interactor
 
-internal class GetCityManagerExpectationTest
\ No newline at end of file
+import dataSource.FakeDataSource
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
+import kotlin.test.assertNotNull
+import kotlin.test.assertNull
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+internal class GetCityManagerExpectationTest {
+    private lateinit var fakeData: FakeDataSource
+    private lateinit var getCityManagerExpectation: GetCityManagerExpectation
+
+    @BeforeAll
+    fun init() {
+        fakeData = FakeDataSource()
+        getCityManagerExpectation =
+            GetCityManagerExpectation(fakeData)
+    }
+    @Test
+    fun should_ReturnCorrectCity_When_EnterValidData() {
+        //Given fake data source
+        fakeData.setDataType(FakeDataSource.DataType.VALID)
+
+        //When list not equal null
+        val list = getCityManagerExpectation.execute()
+
+        //Then
+        assertNotNull(list)
+    }
+
+    @Test
+    fun should_ReturnNoValidList_When_EnterNull() {
+        //Given fake data source
+        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+
+        //When list equal null
+        val list = getCityManagerExpectation.execute()
+
+        //Then
+        assertNull(list)
+    }
+}
\ No newline at end of file

From 431ef4f9e00840b70ce44e5eb916bc3e2e2ff04b Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Mon, 13 Feb 2023 14:10:06 +0200
Subject: [PATCH 076/125] update feature class with functions implementation

---
 ...bleCityForMoreSavingsPerMonthInteractor.kt | 37 ++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt b/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
index b92921ac7..0a5a08da3 100644
--- a/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
+++ b/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
@@ -7,8 +7,43 @@ class GetMostSuitableCityForMoreSavingsPerMonthInteractor(
 ) {
 
     fun execute(): CityEntity {
-        throw Throwable("Not Implemented yet")
+        return dataSource
+            .getAllCitiesData()
+            .filter(::excludeNullSalariesAndNotHasAllPrimaryNeeds)
+            .getListOfCityPairs()
+            .sortedByDescending { it.second }[0].first
     }
 
 
+    private fun List<CityEntity>.getListOfCityPairs(): List<Pair<CityEntity,Float>> {
+        val listOfCityPairs = mutableListOf<Pair<CityEntity,Float>>()
+        forEach { city ->
+            val salary = 2f * city.averageMonthlyNetSalaryAfterTax!!
+            val savings = salary - (foodCosts(city) + 250f)
+            val cityAndSavingsPair = Pair(city,savings)
+            listOfCityPairs.add(cityAndSavingsPair)
+        }
+        return listOfCityPairs
+    }
+
+    private fun foodCosts(city: CityEntity): Float {
+        val foodPrices = city.foodPrices
+        val foodCosts = foodPrices.loafOfFreshWhiteBread500g!! * 30f
+        + foodPrices.localCheese1kg!! * 1f
+        + foodPrices.chickenFillets1kg!! * 10f
+        + foodPrices.riceWhite1kg!! * 2f + foodPrices.beefRound1kgOrEquivalentBackLegRedMeat!! * 4f
+        return foodCosts
+    }
+
+    private fun excludeNullSalariesAndNotHasAllPrimaryNeeds(city: CityEntity): Boolean {
+        return city.averageMonthlyNetSalaryAfterTax != null
+                && city.foodPrices.loafOfFreshWhiteBread500g != null
+                && city.foodPrices.localCheese1kg != null
+                && city.foodPrices.chickenFillets1kg != null
+                && city.foodPrices.riceWhite1kg != null
+                && city.foodPrices.beefRound1kgOrEquivalentBackLegRedMeat != null
+    }
+
+
+
 }
\ No newline at end of file

From 209e7be5b9bd09c58721895ec871f5ac940c9a5d Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Mon, 13 Feb 2023 14:17:02 +0200
Subject: [PATCH 077/125] update main with feature class object and println
 function output

---
 src/main/kotlin/Main.kt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index d7f5201cd..e554bf112 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -22,6 +22,12 @@ fun main() {
     getCheapestBananaPricesCitiesNamesInteractor.apply {
        println(execute(*getCitiesVarArgs()))
     }
+    printSeparationLine()
+
+    val getMostSuitableCityForMoreSavingsPerMonthInteractor = GetMostSuitableCityForMoreSavingsPerMonthInteractor(dataSource)
+    getMostSuitableCityForMoreSavingsPerMonthInteractor.apply {
+        println(execute())
+    }
 
 }
 private fun printSeparationLine(){

From 3d9f841055c70690717bf510bc8f308e4fb5a975 Mon Sep 17 00:00:00 2001
From: ahmedfikry <ahmedfikryelshimi24@gmail.com>
Date: Mon, 13 Feb 2023 14:24:30 +0200
Subject: [PATCH 078/125] create class logic

---
 .../interactor/GetCityManagerExpectation.kt   | 30 +++++++++++++++++--
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCityManagerExpectation.kt b/src/main/kotlin/interactor/GetCityManagerExpectation.kt
index 7e711eb85..11cf299c6 100644
--- a/src/main/kotlin/interactor/GetCityManagerExpectation.kt
+++ b/src/main/kotlin/interactor/GetCityManagerExpectation.kt
@@ -1,12 +1,36 @@
 package interactor
 
+import model.CityEntity
+
 class GetCityManagerExpectation(
     private val dataSource: CostOfLivingDataSource
 ) {
-    fun execute(): String {
+    fun execute(): String? {
         val data = dataSource.getAllCitiesData()
+            .filter(::excludeNullFoodPricesData)
+            .filterAllCitiesByCountry()
+            .sortingWithAveragePrice()
+            .take(1)
+        return if (data.isNotEmpty()) data[0].cityName else null
+    }
+
 
-        return ""
+    private fun excludeNullFoodPricesData(city: CityEntity): Boolean {
+        return city.mealsPrices.mealAtMcDonaldSOrEquivalent != null
+                && city.mealsPrices.mealInexpensiveRestaurant != null
+                && city.mealsPrices.mealFor2PeopleMidRangeRestaurant != null
     }
 
-    }
\ No newline at end of file
+    private fun List<CityEntity>.filterAllCitiesByCountry(): List<CityEntity> {
+        return this.filter {
+            it.country == "USA" || it.country == "Canada" || it.country == "Mexico"
+        }
+    }
+
+    private fun List<CityEntity>.sortingWithAveragePrice(): List<CityEntity> {
+        return this.sortedByDescending {
+            (it.mealsPrices.mealInexpensiveRestaurant?.plus(it.mealsPrices.mealAtMcDonaldSOrEquivalent!!)
+                ?.plus(it.mealsPrices.mealFor2PeopleMidRangeRestaurant!!))?.div(3.0f)
+        }
+    }
+}
\ No newline at end of file

From 76e37aa9e658f3cc2ae4a4dd706012ea4f1c8a4d Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Mon, 13 Feb 2023 14:28:03 +0200
Subject: [PATCH 079/125] change function impl to get the cheapest not highest

---
 .../GetCheapestBananaPricesCitiesNamesInteractor.kt           | 2 +-
 .../GetCheapestBananaPricesCitiesNamesInteractorTest.kt       | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index 77c9d346c..b0cf8cc85 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -27,7 +27,7 @@ class  GetCheapestBananaPricesCitiesNamesInteractor(
      * @return sorted List<CityEntity>
      */
     private fun List<CityEntity>.sortingWithBananaPrices(): List<CityEntity> {
-        return this.sortedByDescending {
+        return this.sortedBy {
             it.fruitAndVegetablesPrices.banana1kg
         }
     }
diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index 2944de80f..ad4f3184c 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -8,7 +8,7 @@ import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.TestInstance
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
-internal class GetCheapestBananaPricesCitiesNamesInteractorTest{
+internal class GetCheapestBananaPricesCitiesNamesInteractorTest {
 
     private lateinit var fakeData: FakeDataSource
     private lateinit var getCheapestBananaPricesCitiesNamesInteractor: GetCheapestBananaPricesCitiesNamesInteractor
@@ -32,7 +32,7 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest{
         //Then
         assertTrue(
             list == data
-                .sortedByDescending { it.fruitAndVegetablesPrices.banana1kg }
+                .sortedBy { it.fruitAndVegetablesPrices.banana1kg }
                 .map { it.cityName }
         )
     }

From 8b6f92cfde6ff1407d012b2bf62d8f6d313eaa79 Mon Sep 17 00:00:00 2001
From: kareem-01 <kareemesam52@yahoo.com>
Date: Mon, 13 Feb 2023 16:59:57 +0200
Subject: [PATCH 080/125] added function for countries

---
 ...HighestCarbonatedDrinksPricesInteractor.kt | 42 +++++++++++++------
 1 file changed, 30 insertions(+), 12 deletions(-)

diff --git a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
index 35a10a078..7d0383b07 100644
--- a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
@@ -1,4 +1,5 @@
 package interactor
+
 import model.CityEntity
 import model.DrinksPrices
 
@@ -19,30 +20,47 @@ class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfL
         else {pricesAvg(city)}
     }
 
-    private fun nullAndLowQualityDrinks (cityEntity: CityEntity):Boolean =
+    private fun nullAndLowQualityDrinks(cityEntity: CityEntity): Boolean =
 
         cityEntity.drinksPrices.cappuccinoRegularInRestaurants != null &&
-                cityEntity.drinksPrices.milkRegularOneLiter !=null &&
-                cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants !=null &&
-                cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants !=null &&
-                cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket !=null &&
+                cityEntity.drinksPrices.milkRegularOneLiter != null &&
+                cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants != null &&
+                cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants != null &&
+                cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket != null &&
                 cityEntity.dataQuality
 
 
-    private fun pricesAvg (list: List<CityEntity>) : List<Pair<String,Float>>{
-        val finalList = mutableListOf<Pair<String,Float>>()
-        var avgPrice : Float
+    private fun pricesAvg(list: List<CityEntity>): List<Pair<String, Float>> {
+        val finalList = mutableListOf<Pair<String, Float>>()
+        val setofcountries = mutableSetOf<Pair<String, Float>>()
+        var avgPrice: Float
         list.forEach {
             avgPrice = avgPriceForASingleCity(it)
-            finalList.add(Pair(it.country,avgPrice))
+            setofcountries.add(Pair(it.country, avgPrice))
         }
-        return finalList
+        return setofcountries.toList()
     }
 
+    // function to return the average prices for only one city
     private fun avgPriceForASingleCity(cityEntity: CityEntity) = (cityEntity.drinksPrices.milkRegularOneLiter!! +
             cityEntity.drinksPrices.cappuccinoRegularInRestaurants!! +
             cityEntity.drinksPrices.waterOneAndHalfLiterBottleAtTheMarket!! +
-            cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants!!+
-            cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants!!)/5
+            cityEntity.drinksPrices.waterAThirdOfLiterBottleInRestaurants!! +
+            cityEntity.drinksPrices.cokePepsiAThirdOfLiterBottleInRestaurants!!) / 5
+
+    //a function to return the average prices for a whole country
+    private fun avgpriceforacountry(list: List<CityEntity>): Float {
+        var listofprices = mutableListOf<Float>()
+        var finalvalue : Float = 0f
+        list.forEach {
+            listofprices.add(avgPriceForASingleCity(it))
+        }
+        listofprices.forEach{
+            finalvalue += it
+        }
+    return finalvalue/listofprices.size
+    }
 
+    //
+    private fun pricesforacoutry
 }
\ No newline at end of file

From 326578581e5e14fab5f4162255a31cdae850f38e Mon Sep 17 00:00:00 2001
From: AlaaKhaled101 <alaakhaled9191@gmail.com>
Date: Mon, 13 Feb 2023 20:46:29 +0200
Subject: [PATCH 081/125] add test cases

---
 .../dataSource/HardCodedFakeDataSource.kt     | 13 +++----
 ...heapestInternetConnectionInteractorTest.kt | 37 +++++++++++++++++++
 2 files changed, 42 insertions(+), 8 deletions(-)

diff --git a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
index c08f65c29..15b8828db 100644
--- a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
+++ b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
@@ -272,7 +272,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
             servicesPrices = ServicesPrices(
                 basicElectricityHeatingCoolingWaterGarbageFor85m2Apartment = 25f,
                 oneMinOfPrepaidMobileTariffLocalNoDiscountsOrPlans = 30f,
-                internet60MbpsOrMoreUnlimitedDataCableAdsl = 20f,
+                internet60MbpsOrMoreUnlimitedDataCableAdsl = null,
                 fitnessClubMonthlyFeeForOneAdult = 100f,
                 tennisCourtRentOneHourOnWeekend = 100f,
                 cinemaInternationalReleaseOneSeat = 10f,
@@ -305,7 +305,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
                 pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
                 pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
             ),
-            averageMonthlyNetSalaryAfterTax = 14000f,
+            averageMonthlyNetSalaryAfterTax = null,
             dataQuality = true
         )
     }
@@ -346,7 +346,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
             servicesPrices = ServicesPrices(
                 basicElectricityHeatingCoolingWaterGarbageFor85m2Apartment = 25f,
                 oneMinOfPrepaidMobileTariffLocalNoDiscountsOrPlans = 30f,
-                internet60MbpsOrMoreUnlimitedDataCableAdsl = 20f,
+                internet60MbpsOrMoreUnlimitedDataCableAdsl = null,
                 fitnessClubMonthlyFeeForOneAdult = 100f,
                 tennisCourtRentOneHourOnWeekend = 100f,
                 cinemaInternationalReleaseOneSeat = 10f,
@@ -379,7 +379,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
                 pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
                 pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
             ),
-            averageMonthlyNetSalaryAfterTax = 3000f,
+            averageMonthlyNetSalaryAfterTax = null,
             dataQuality = false
         )
     }
@@ -420,7 +420,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
             servicesPrices = ServicesPrices(
                 basicElectricityHeatingCoolingWaterGarbageFor85m2Apartment = 25f,
                 oneMinOfPrepaidMobileTariffLocalNoDiscountsOrPlans = 30f,
-                internet60MbpsOrMoreUnlimitedDataCableAdsl = 20f,
+                internet60MbpsOrMoreUnlimitedDataCableAdsl = null,
                 fitnessClubMonthlyFeeForOneAdult = 100f,
                 tennisCourtRentOneHourOnWeekend = 100f,
                 cinemaInternationalReleaseOneSeat = 10f,
@@ -465,9 +465,6 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
         cityList.add(cairoHighQuality)
         cityList.add(londonLowQuality)
         cityList.add(parisHighQuality)
-        cityList.add(baghdadHighQualityNull)
-        cityList.add(rabatLowQualityNull)
-        cityList.add(berlinHighQualityNull)
         nullableCityList.add(baghdadHighQualityNull)
         nullableCityList.add(rabatLowQualityNull)
         nullableCityList.add(berlinHighQualityNull)
diff --git a/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt b/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
index 28ffee3ee..923fcd62d 100644
--- a/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
@@ -1,7 +1,44 @@
 package interactor
 
 
+import dataSource.HardCodedFakeDataSource
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
+import kotlin.test.assertEquals
 
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
 internal class GetCityHasCheapestInternetConnectionInteractorTest(){
 
+    private lateinit var hardCodedFakeDataSource: HardCodedFakeDataSource
+    private lateinit var getCityHasCheapestInternetConnectionInteractor: GetCityHasCheapestInternetConnectionInteractor
+
+    @BeforeAll
+    fun init() {
+        hardCodedFakeDataSource = HardCodedFakeDataSource()
+        getCityHasCheapestInternetConnectionInteractor =
+            GetCityHasCheapestInternetConnectionInteractor(hardCodedFakeDataSource)
+    }
+
+    @Test
+    fun should_ReturnCity_When_EnterValidData() {
+        //Given
+        hardCodedFakeDataSource.setDatatype(HardCodedFakeDataSource.DataType.VALID)
+        //When
+        val city = getCityHasCheapestInternetConnectionInteractor.execute(1)
+        //Then
+        assertEquals("paris",city)
+
+    }
+
+    @Test
+    fun should_ReturnEmptyString_When_EnterNullData() {
+        //Given
+        hardCodedFakeDataSource.setDatatype(HardCodedFakeDataSource.DataType.NULLABLE)
+        //When
+        val city = getCityHasCheapestInternetConnectionInteractor.execute(1)
+        //Then
+        assertEquals("",city)
+    }
+
 }
\ No newline at end of file

From 309fe26e72e396013a0cc5fa25af981a46f6fbad Mon Sep 17 00:00:00 2001
From: kareem-01 <kareemesam52@yahoo.com>
Date: Mon, 13 Feb 2023 20:51:43 +0200
Subject: [PATCH 082/125] fixed issues with the result

---
 ...HighestCarbonatedDrinksPricesInteractor.kt | 48 ++++++++-----------
 ...estCarbonatedDrinksPricesInteractorTest.kt |  2 +-
 2 files changed, 22 insertions(+), 28 deletions(-)

diff --git a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
index 7d0383b07..afa90ac75 100644
--- a/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractor.kt
@@ -4,20 +4,18 @@ import model.CityEntity
 import model.DrinksPrices
 
 
-class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfLivingDataSource)
-{
-    fun execute () : List<Pair<String,Float>> {
+class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfLivingDataSource) {
+    fun execute(): Set<Pair<String, Float>> {
 
-        val city : List<CityEntity> = dataSource.getAllCitiesData()
+        val city: List<CityEntity> = dataSource.getAllCitiesData()
             .filter { nullAndLowQualityDrinks(it) }
             .sortedByDescending { avgPriceForASingleCity(it) }
-            .take(10)
 
-
-        return if (city.isEmpty())
-        { emptyList()
+        return if (city.isEmpty()) {
+            emptySet()
+        } else {
+            finalList(city)
         }
-        else {pricesAvg(city)}
     }
 
     private fun nullAndLowQualityDrinks(cityEntity: CityEntity): Boolean =
@@ -30,17 +28,6 @@ class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfL
                 cityEntity.dataQuality
 
 
-    private fun pricesAvg(list: List<CityEntity>): List<Pair<String, Float>> {
-        val finalList = mutableListOf<Pair<String, Float>>()
-        val setofcountries = mutableSetOf<Pair<String, Float>>()
-        var avgPrice: Float
-        list.forEach {
-            avgPrice = avgPriceForASingleCity(it)
-            setofcountries.add(Pair(it.country, avgPrice))
-        }
-        return setofcountries.toList()
-    }
-
     // function to return the average prices for only one city
     private fun avgPriceForASingleCity(cityEntity: CityEntity) = (cityEntity.drinksPrices.milkRegularOneLiter!! +
             cityEntity.drinksPrices.cappuccinoRegularInRestaurants!! +
@@ -50,17 +37,24 @@ class GetHighestCarbonatedDrinksPricesInteractor(private val dataSource: CostOfL
 
     //a function to return the average prices for a whole country
     private fun avgpriceforacountry(list: List<CityEntity>): Float {
-        var listofprices = mutableListOf<Float>()
-        var finalvalue : Float = 0f
+        val listofprices = mutableListOf<Float>()
+        var finalvalue = 0f
         list.forEach {
             listofprices.add(avgPriceForASingleCity(it))
         }
-        listofprices.forEach{
+        listofprices.forEach {
             finalvalue += it
         }
-    return finalvalue/listofprices.size
+        return  finalvalue / listofprices.size
     }
 
-    //
-    private fun pricesforacoutry
-}
\ No newline at end of file
+    // function to sort the list into a sorted set and return a list of 10 countries
+    fun finalList(list: List<CityEntity>) :Set<Pair<String,Float>> {
+        val finallist = mutableListOf<Pair<String, Float>>()
+        list.forEach { cityEntity ->
+            finallist .add(Pair(cityEntity.country,avgpriceforacountry(list.filter{cityEntity.country ==it.country })))
+
+        }
+        return finallist.toSet().take(10).toSet()
+    }
+}
diff --git a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
index 79d33dd56..7cad12bfb 100644
--- a/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetHighestCarbonatedDrinksPricesInteractorTest.kt
@@ -26,7 +26,7 @@ class GetHighestCarbonatedDrinksPricesInteractorTest{
         //when
         val listOfCountries = getHighestCarbonatedDrinksPricesInteractor.execute()
         //then
-        assertTrue(listOfCountries.size ==10)
+        assertTrue(listOfCountries.toSet().size ==10)
     }
 
     @Test

From d8ac39b75ca8f3936850788fcc067e40860715d2 Mon Sep 17 00:00:00 2001
From: nahedshehata <109394234+nahedshehata@users.noreply.github.com>
Date: Mon, 13 Feb 2023 22:04:10 +0200
Subject: [PATCH 083/125] add test cases

---
 .../GetCityNameAndSalrayAverageInteractor.kt  | 13 ++++--
 .../dataSource/HardCodedFakeDataSource.kt     |  4 +-
 ...tCityNameAndSalrayAverageInteractorTest.kt | 43 ++++++++++++++++++-
 3 files changed, 53 insertions(+), 7 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt b/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
index ace0c0799..ac664091b 100644
--- a/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
+++ b/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
@@ -1,10 +1,15 @@
 package interactor
 
-class GetCityNameAndSalrayAverageInteractor() {
+import model.CityEntity
+import java.lang.reflect.Executable
 
+class GetCityNameAndSalrayAverageInteractor(private val dataSource: CostOfLivingDataSource) {
 
-    fun getcityandsalary(): List<Pair<String, Float>> {
 
-        return emptyList<Pair<String, Float>>()
-    }
+   fun execute(country:String):List<Pair<String,Float>>
+   {
+
+       return emptyList()
+   }
+
 }
\ No newline at end of file
diff --git a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
index c08f65c29..41d9771a1 100644
--- a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
+++ b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
@@ -16,8 +16,8 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
 
     val cairoHighQuality by lazy {
         CityEntity(
-            cityName = "cairo",
-            country = "egypt",
+            cityName = "Cairo",
+            country = "Egypt",
             mealsPrices = MealsPrices(
                 mealInexpensiveRestaurant = 10f,
                 mealFor2PeopleMidRangeRestaurant = 5f,
diff --git a/src/test/kotlin/interactor/GetCityNameAndSalrayAverageInteractorTest.kt b/src/test/kotlin/interactor/GetCityNameAndSalrayAverageInteractorTest.kt
index 527116a83..92f7ea18c 100644
--- a/src/test/kotlin/interactor/GetCityNameAndSalrayAverageInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCityNameAndSalrayAverageInteractorTest.kt
@@ -1,12 +1,53 @@
 package interactor
 
+import dataSource.FakeDataSource
+import dataSource.HardCodedFakeDataSource
 import org.junit.jupiter.api.Assertions.*
 
 import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.TestInstance
 
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
 internal class GetCityNameAndSalrayAverageInteractorTest {
 
+    private  lateinit var fakeData: HardCodedFakeDataSource
+    private lateinit var getcityandsalary: GetCityNameAndSalrayAverageInteractor
+
+    @BeforeAll
+    fun init() {
+        fakeData = HardCodedFakeDataSource()
+        getcityandsalary = GetCityNameAndSalrayAverageInteractor(fakeData)
+    }
+
+
+    @Test
+    fun should_ReturnlistOfPairs_When_DataValid()
+    {
+        //given
+        fakeData.setDatatype(HardCodedFakeDataSource.DataType.VALID)
+        //when
+        val listOfCityAndSalary = getcityandsalary.execute("eGypt")
+        //then
+        assertTrue(listOfCityAndSalary.size==1&&listOfCityAndSalary[0]==Pair("Cairo",6000.0f))
+    }
+
     @Test
-    fun getcityandsalary() {
+    fun should_returnlistEmpty_When_EnterDataNull(){
+        //given
+        fakeData.setDatatype(HardCodedFakeDataSource.DataType.NULLABLE)
+
+        //when
+        val listOfCityAndSalary = getcityandsalary.execute("")
+        //then
+        assertTrue(listOfCityAndSalary.isEmpty())
     }
+
+
+
+
+
+
 }
\ No newline at end of file

From 7a0a4cde749567cb453eb0487866d76573f56a50 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Mon, 13 Feb 2023 22:13:25 +0200
Subject: [PATCH 084/125] delete comments

---
 src/main/kotlin/Main.kt | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index 1a3a67b54..5f7dc0850 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -16,16 +16,17 @@ fun main() {
     }
     printSeparationLine()
 
-//    val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
-//    println(getCityHasCheapestInternetConnectionInteractor.execute())
-//    printSeparationLine()
-
-//    val getCheapestBananaPricesCitiesNamesInteractor=GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
-//    getCheapestBananaPricesCitiesNamesInteractor.apply {
-//       println(execute(*getCitiesVarArgs()))
-//    }
-    val getHighestCarbonatedDrinksPricesInteractor =GetHighestCarbonatedDrinksPricesInteractor(dataSource)
+    val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
+    println(getCityHasCheapestInternetConnectionInteractor.execute())
+    printSeparationLine()
+
+    val getCheapestBananaPricesCitiesNamesInteractor=GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
+    getCheapestBananaPricesCitiesNamesInteractor.apply {
+       println(execute(*getCitiesVarArgs()))
+    }
+    printSeparationLine()
 
+    val getHighestCarbonatedDrinksPricesInteractor =GetHighestCarbonatedDrinksPricesInteractor(dataSource)
     getHighestCarbonatedDrinksPricesInteractor.execute().forEach {
         println("Country name :${it.first}  average prices : ${it.second}")
     }

From 57b53ffbd5182b88e8f4c0a43f327b4ac4933a27 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Mon, 13 Feb 2023 22:53:56 +0200
Subject: [PATCH 085/125] Revert "feature/average of fruit and vegetables
 prices"


From 74f0219e45ad83b7bbaf8d1b57c9402d469f677c Mon Sep 17 00:00:00 2001
From: mahmoud <mahmouddeif91@gmail.com>
Date: Mon, 13 Feb 2023 23:44:41 +0200
Subject: [PATCH 086/125] create function class create function task the five
 best cities to buy clothes

---
 ...veCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt b/src/main/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt
index 447346b49..89ad44938 100644
--- a/src/main/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt
+++ b/src/main/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor.kt
@@ -20,7 +20,7 @@ class GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor(
                         )
                     )
             }
-            .take(limit)
+            .take( limit )
             .map { it.cityName }
     }
 

From abe53b787c5a0d8bd9ac63a35a508543697220cd Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Tue, 14 Feb 2023 00:00:30 +0200
Subject: [PATCH 087/125] refactor

---
 build.gradle.kts                              |  1 +
 ...geOfFruitsAndVegetablesPricesInteractor.kt | 43 +++++++++++++++
 ...heapestInternetConnectionInteractorTest.kt |  8 +--
 ...FruitsAndVegetablesPricesInteractorTest.kt | 52 +++++++++++++++++++
 4 files changed, 100 insertions(+), 4 deletions(-)
 create mode 100644 src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
 create mode 100644 src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt

diff --git a/build.gradle.kts b/build.gradle.kts
index e97e1fab9..f826fcc08 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -14,6 +14,7 @@ repositories {
 
 dependencies {
     testImplementation(kotlin("test"))
+    testImplementation("com.appmattus.fixture:fixture:1.2.0")
     testImplementation("org.junit.jupiter:junit-jupiter")
 }
 
diff --git a/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt b/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
new file mode 100644
index 000000000..eb03b8577
--- /dev/null
+++ b/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
@@ -0,0 +1,43 @@
+package interactor
+
+import model.CityEntity
+
+class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor
+    (private val dataSource: CostOfLivingDataSource) {
+
+    fun execute(): List<String> {
+        val list = dataSource.getAllCitiesData()
+            .filter( ::excludeNullSalariesAndNullPrices )
+
+      val average = averageOfFruitsAndVegetables(list)
+
+        return list
+            .filter { it.averageMonthlyNetSalaryAfterTax!! > average }
+            .sortedBy { it.averageMonthlyNetSalaryAfterTax }
+            .take(10)
+            .map { it.cityName }
+    }
+
+    private fun excludeNullSalariesAndNullPrices(city: CityEntity): Boolean {
+        return city.averageMonthlyNetSalaryAfterTax != null &&
+                city.fruitAndVegetablesPrices.apples1kg != null &&
+                city.fruitAndVegetablesPrices.banana1kg != null &&
+                city.fruitAndVegetablesPrices.lettuceOneHead != null &&
+                city.fruitAndVegetablesPrices.onion1kg != null &&
+                city.fruitAndVegetablesPrices.tomato1kg != null &&
+                city.fruitAndVegetablesPrices.potato1kg != null &&
+                city.fruitAndVegetablesPrices.oranges1kg != null
+    }
+
+    private fun averageOfFruitsAndVegetables(list: List<CityEntity>): Float {
+        var sum = 0f
+        for (city in list) {
+            with(city.fruitAndVegetablesPrices) {
+                sum += apples1kg!! + banana1kg!! + lettuceOneHead!! +
+                        onion1kg!! + tomato1kg!! + potato1kg!! + oranges1kg!!
+            }
+        }
+
+        return sum / (7 * list.size)
+    }
+}
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt b/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
index 923fcd62d..0e72cede2 100644
--- a/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
@@ -25,9 +25,9 @@ internal class GetCityHasCheapestInternetConnectionInteractorTest(){
         //Given
         hardCodedFakeDataSource.setDatatype(HardCodedFakeDataSource.DataType.VALID)
         //When
-        val city = getCityHasCheapestInternetConnectionInteractor.execute(1)
+        val city = getCityHasCheapestInternetConnectionInteractor.execute()
         //Then
-        assertEquals("paris",city)
+        assertEquals("paris",city.cityName)
 
     }
 
@@ -36,9 +36,9 @@ internal class GetCityHasCheapestInternetConnectionInteractorTest(){
         //Given
         hardCodedFakeDataSource.setDatatype(HardCodedFakeDataSource.DataType.NULLABLE)
         //When
-        val city = getCityHasCheapestInternetConnectionInteractor.execute(1)
+        val city = getCityHasCheapestInternetConnectionInteractor.execute()
         //Then
-        assertEquals("",city)
+        assertEquals("",city.cityName)
     }
 
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt b/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
new file mode 100644
index 000000000..32377fb48
--- /dev/null
+++ b/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
@@ -0,0 +1,52 @@
+package interactor
+
+import dataSource.FakeDataSource
+import model.CityEntity
+import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+internal class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest{
+
+   private lateinit var getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor:
+            GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor
+   private lateinit var fakeData: FakeDataSource
+    @BeforeAll
+    fun setup() {
+        fakeData = FakeDataSource()
+        getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor =
+            GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor(fakeData)
+    }
+    @Test
+    fun should_ReturnTheTenCitiesName_When_TheDataIsValid() {
+        //given
+        fakeData.setDataType(FakeDataSource.DataType.VALID)
+        //When
+        val result = getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.execute()
+        //Then
+        assertTrue(result.size == 10)
+    }
+
+    @Test
+    fun should_ReturnTheTenCitiesName_When_TheDataIsNull() {
+        //given
+        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+        //When
+        val result = getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.execute()
+        //Then
+        assertTrue(result.isEmpty())
+    }
+
+    @Test
+    fun should_ReturnTheTenCitiesName_When_TheDataIsMixture() {
+        //given
+        fakeData.setDataType(FakeDataSource.DataType.MIXTURE)
+        //When
+        val result = getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.execute()
+        //Then
+        assertTrue(result.isEmpty())
+    }
+
+}
\ No newline at end of file

From d8fec62bd36864e44559a219c92b808e25179481 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Tue, 14 Feb 2023 00:16:52 +0200
Subject: [PATCH 088/125] refactor

---
 ...eapestBananaPricesCitiesNamesInteractor.kt | 26 ++++++++--
 ...stBananaPricesCitiesNamesInteractorTest.kt | 52 +++++++------------
 2 files changed, 42 insertions(+), 36 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index ed2eb4c19..b0cf8cc85 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -2,15 +2,33 @@ package interactor
 
 import model.CityEntity
 
-class GetCheapestBananaPricesCitiesNamesInteractor(
+class  GetCheapestBananaPricesCitiesNamesInteractor(
     private val dataSource: CostOfLivingDataSource
 ) {
 
     fun getCitiesVarArgs(): Array<CityEntity> {
         return dataSource.getAllCitiesData().toTypedArray()
     }
-
     fun execute(vararg cityEntities: CityEntity): List<String> {
-    throw Throwable("Not Implemented yet")
+        return if (cityEntities.isEmpty())
+            listOf("No Data is Entered !")
+        else cityEntities
+            .filter(::excludeNullBananaPrices)
+            .sortingWithBananaPrices()
+            .map { it.cityName }
+    }
+
+    private fun excludeNullBananaPrices(city: CityEntity): Boolean {
+        return city.fruitAndVegetablesPrices.banana1kg != null
+    }
+
+    /**
+     * Sort the list with the banana prices between CityEntities.
+     * @return sorted List<CityEntity>
+     */
+    private fun List<CityEntity>.sortingWithBananaPrices(): List<CityEntity> {
+        return this.sortedBy {
+            it.fruitAndVegetablesPrices.banana1kg
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index f8ff8ca8a..ad4f3184c 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -1,13 +1,14 @@
 package interactor
 
 import dataSource.FakeDataSource
+import model.CityEntity
 import org.junit.jupiter.api.Assertions.*
 import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.TestInstance
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
-internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
+internal class GetCheapestBananaPricesCitiesNamesInteractorTest {
 
     private lateinit var fakeData: FakeDataSource
     private lateinit var getCheapestBananaPricesCitiesNamesInteractor: GetCheapestBananaPricesCitiesNamesInteractor
@@ -23,56 +24,43 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest() {
     fun should_ReturnCorrectList_When_EnterValidData() {
         //Given
         fakeData.setDataType(FakeDataSource.DataType.VALID)
-
-        //When
+        val data = getCheapestBananaPricesCitiesNamesInteractor.getCitiesVarArgs()
+        //When valid data is entered
         val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*getCitiesVarArgs())
+            execute(*data)
         }
-
         //Then
-        assertTrue(list.size == 20)
+        assertTrue(
+            list == data
+                .sortedBy { it.fruitAndVegetablesPrices.banana1kg }
+                .map { it.cityName }
+        )
     }
 
     @Test
     fun should_ReturnEmptyList_When_EnterNullForAllBananaPrices() {
         //Given
         fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
-
-        //When
+        val data = getCheapestBananaPricesCitiesNamesInteractor.getCitiesVarArgs()
+        //When entering null for all banana prices
         val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*getCitiesVarArgs())
+            execute(*data)
         }
-
         //Then
         assertTrue(list.isEmpty())
     }
 
     @Test
-    fun should_ReturnListHasNoNulls_When_EnterNullForSomeBananaPrices() {
-        //Given
-        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+    fun should_ReturnNotValidList_When_EnterNoData() {
+        //Given empty array of CityEntities
+        val array = emptyArray<CityEntity>()
 
-        //When
-        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*getCitiesVarArgs())
-        }
+        //When entering no data or empty array of CityEntities to execute()
+        val list = getCheapestBananaPricesCitiesNamesInteractor.execute(*array)
 
         //Then
-        assertTrue(list.size < 20)
+        assertEquals(listOf("No Data is Entered !"), list)
     }
 
-    @Test
-    fun should_ReturnEmptyList_When_EnterNoData() {
-        //Given
-        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
-
-        //When
-        val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*getCitiesVarArgs())
-        }
-
-        //Then
-        assertTrue(list.isEmpty())
-    }
+}
 
-}
\ No newline at end of file

From e13d3d696a716db48d0192cbb416e65468973736 Mon Sep 17 00:00:00 2001
From: AlaaKhaled101 <alaakhaled9191@gmail.com>
Date: Tue, 14 Feb 2023 00:52:11 +0200
Subject: [PATCH 089/125] add function
 GetCityHasCheapestInternetConnectionInteractor execute

---
 src/main/kotlin/Main.kt                       |  4 +++-
 ...HasCheapestInternetConnectionInteractor.kt | 23 +++++++++++++++++--
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index 2c37adf2f..70097f1ec 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -17,7 +17,7 @@ fun main() {
     printSeparationLine()
 
     val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
-    println(getCityHasCheapestInternetConnectionInteractor.execute())
+    println(getCityHasCheapestInternetConnectionInteractor.execute( 1 ))
     printSeparationLine()
 
     val getCheapestBananaPricesCitiesNamesInteractor=GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
@@ -25,6 +25,8 @@ fun main() {
        println(execute(*getCitiesVarArgs()))
     }
 
+
+
 }
 
 private fun printSeparationLine() {
diff --git a/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt b/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt
index f7c4ec816..0405e393c 100644
--- a/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt
+++ b/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt
@@ -6,10 +6,29 @@ class GetCityHasCheapestInternetConnectionInteractor(
     private val dataSource: CostOfLivingDataSource,
 ) {
 
-    fun execute(): CityEntity{
-        throw Throwable("Not Implemented yet")
+    fun execute(limit: Int): String {
+        val list = dataSource
+            .getAllCitiesData()
+            .filter(::excludeNullAverageSalaryAndServicesPrices)
+            .sortingWithBestInterentPrice()
+            .take(limit)
+            .map { it.cityName }
+        return if (list.isEmpty())
+            ""
+        else
+            list[0]
     }
 
+    private fun excludeNullAverageSalaryAndServicesPrices(city: CityEntity): Boolean {
+        return city.averageMonthlyNetSalaryAfterTax != null && city.servicesPrices.internet60MbpsOrMoreUnlimitedDataCableAdsl != null
+    }
 
 
+    private fun List<CityEntity>.sortingWithBestInterentPrice(): List<CityEntity> {
+        return this.sortedByDescending {
+            (it.averageMonthlyNetSalaryAfterTax?.div(
+                it.servicesPrices.internet60MbpsOrMoreUnlimitedDataCableAdsl!!
+            ))
+        }
+    }
 }
\ No newline at end of file

From ffaa037b52ddec77d567ed1ba831f29aec4b09f1 Mon Sep 17 00:00:00 2001
From: Menna Akram <mennaakram976@gmail.com>
Date: Tue, 14 Feb 2023 01:02:34 +0200
Subject: [PATCH 090/125] update the test cases and the implementation

---
 ...geOfFruitsAndVegetablesPricesInteractor.kt | 28 ++++++++++---------
 ...FruitsAndVegetablesPricesInteractorTest.kt | 10 -------
 2 files changed, 15 insertions(+), 23 deletions(-)

diff --git a/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt b/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
index eb03b8577..8b76aa6fe 100644
--- a/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
+++ b/src/main/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.kt
@@ -8,14 +8,11 @@ class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor
     fun execute(): List<String> {
         val list = dataSource.getAllCitiesData()
             .filter( ::excludeNullSalariesAndNullPrices )
-
-      val average = averageOfFruitsAndVegetables(list)
-
-        return list
-            .filter { it.averageMonthlyNetSalaryAfterTax!! > average }
-            .sortedBy { it.averageMonthlyNetSalaryAfterTax }
+            .sortingWithAveragePrice()
             .take(10)
             .map { it.cityName }
+        return if(list.isEmpty()) listOf()
+        else list
     }
 
     private fun excludeNullSalariesAndNullPrices(city: CityEntity): Boolean {
@@ -29,15 +26,20 @@ class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor
                 city.fruitAndVegetablesPrices.oranges1kg != null
     }
 
-    private fun averageOfFruitsAndVegetables(list: List<CityEntity>): Float {
-        var sum = 0f
-        for (city in list) {
-            with(city.fruitAndVegetablesPrices) {
-                sum += apples1kg!! + banana1kg!! + lettuceOneHead!! +
+    private fun averageOfFruitsAndVegetables(city: CityEntity): Float {
+        var sum : Float
+            city.fruitAndVegetablesPrices.apply {
+                sum = apples1kg!! + banana1kg!! + lettuceOneHead!! +
                         onion1kg!! + tomato1kg!! + potato1kg!! + oranges1kg!!
             }
-        }
+        return (sum / 7)
+    }
 
-        return sum / (7 * list.size)
+    private fun List<CityEntity>.sortingWithAveragePrice(): List<CityEntity> {
+        return this.sortedByDescending {
+            (it.averageMonthlyNetSalaryAfterTax?.div(
+                averageOfFruitsAndVegetables(it)
+            ))
+        }
     }
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt b/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
index 32377fb48..c99bb449a 100644
--- a/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTest.kt
@@ -39,14 +39,4 @@ internal class GetTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractorTe
         assertTrue(result.isEmpty())
     }
 
-    @Test
-    fun should_ReturnTheTenCitiesName_When_TheDataIsMixture() {
-        //given
-        fakeData.setDataType(FakeDataSource.DataType.MIXTURE)
-        //When
-        val result = getTenCitiesHaveTheAverageOfFruitsAndVegetablesPricesInteractor.execute()
-        //Then
-        assertTrue(result.isEmpty())
-    }
-
 }
\ No newline at end of file

From 8e7207b2a1ca335b8d789e4c938337f0ed8c4525 Mon Sep 17 00:00:00 2001
From: nahedshehata <109394234+nahedshehata@users.noreply.github.com>
Date: Tue, 14 Feb 2023 01:17:32 +0200
Subject: [PATCH 091/125] add implemention function

---
 .../GetCityNameAndSalrayAverageInteractor.kt  | 28 +++++++++++++++----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt b/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
index ac664091b..59a0ebb01 100644
--- a/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
+++ b/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
@@ -6,10 +6,28 @@ import java.lang.reflect.Executable
 class GetCityNameAndSalrayAverageInteractor(private val dataSource: CostOfLivingDataSource) {
 
 
-   fun execute(country:String):List<Pair<String,Float>>
-   {
-
-       return emptyList()
-   }
+    fun execute(country: String): List<Pair<String,Float>>
+    {
+        val list = dataSource
+            .getAllCitiesData()
+            .filter { (it.country == country.convert()) && (it.dataQuality) }.getSalary()
+        return list
+    }
+    private fun List<CityEntity>.getSalary(): List<Pair<String, Float>> {
+        val newList = mutableListOf<Pair<String, Float>>()
+        var salary: Float
+        this.forEach{
+            salary =
+                it.averageMonthlyNetSalaryAfterTax!!
+            newList.add(Pair(it.cityName, salary))
+        }
+        return newList
+    }
+    private fun String.convert(): String {
+        return capitalize(lowercase())!!
+    }
+    private fun capitalize(str: String?): String? {
+        return str?.capitalize() ?: str
+    }
 
 }
\ No newline at end of file

From 3c5eb69bcb8e563656bb4e154794a092081aa93a Mon Sep 17 00:00:00 2001
From: nahedshehata <109394234+nahedshehata@users.noreply.github.com>
Date: Tue, 14 Feb 2023 09:11:27 +0200
Subject: [PATCH 092/125] add implemention function and edit

---
 .../interactor/GetCityNameAndSalrayAverageInteractor.kt      | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt b/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
index 59a0ebb01..e469063a7 100644
--- a/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
+++ b/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
@@ -11,6 +11,11 @@ class GetCityNameAndSalrayAverageInteractor(private val dataSource: CostOfLiving
         val list = dataSource
             .getAllCitiesData()
             .filter { (it.country == country.convert()) && (it.dataQuality) }.getSalary()
+        if(list.isEmpty())
+        {
+            throw Throwable("Enter Falid Country")
+
+        }
         return list
     }
     private fun List<CityEntity>.getSalary(): List<Pair<String, Float>> {

From 8f8361fbc825a35eb105a03bdceb8f182c444a45 Mon Sep 17 00:00:00 2001
From: ahmedfikry <ahmedfikryelshimi24@gmail.com>
Date: Tue, 14 Feb 2023 12:24:38 +0200
Subject: [PATCH 093/125] refactor class logic pass all test cases add hard
 coded data

---
 local.properties                              |   4 +-
 src/main/kotlin/Main.kt                       |   4 +
 .../interactor/GetCityManagerExpectation.kt   |  35 +--
 .../dataSource/HardCodedFakeDataSource.kt     | 224 ++++++++++++++++++
 .../GetCityManagerExpectationTest.kt          |  34 +--
 5 files changed, 268 insertions(+), 33 deletions(-)

diff --git a/local.properties b/local.properties
index bc5d06f2f..048efd4b7 100644
--- a/local.properties
+++ b/local.properties
@@ -4,5 +4,5 @@
 # Location of the SDK. This is only used by Gradle.
 # For customization when using a Version Control System, please read the
 # header note.
-#Fri Feb 10 21:51:47 EET 2023
-sdk.dir=C\:\\Users\\computer\\AppData\\Local\\Android\\Sdk
+#Tue Feb 14 11:11:25 EET 2023
+sdk.dir=C\:\\Users\\DELL\\AppData\\Local\\Android\\Sdk
diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index dbebd24a3..613b55768 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -31,6 +31,10 @@ fun main() {
         println(execute())
     }
 
+    val getCityManagerExpectation = GetCityManagerExpectation(dataSource)
+    println(getCityManagerExpectation.execute())
+    printSeparationLine()
+
 }
 
 private fun printSeparationLine() {
diff --git a/src/main/kotlin/interactor/GetCityManagerExpectation.kt b/src/main/kotlin/interactor/GetCityManagerExpectation.kt
index 11cf299c6..73766903a 100644
--- a/src/main/kotlin/interactor/GetCityManagerExpectation.kt
+++ b/src/main/kotlin/interactor/GetCityManagerExpectation.kt
@@ -6,31 +6,36 @@ class GetCityManagerExpectation(
     private val dataSource: CostOfLivingDataSource
 ) {
     fun execute(): String? {
-        val data = dataSource.getAllCitiesData()
-            .filter(::excludeNullFoodPricesData)
-            .filterAllCitiesByCountry()
-            .sortingWithAveragePrice()
-            .take(1)
-        return if (data.isNotEmpty()) data[0].cityName else null
+        val data =
+            dataSource.getAllCitiesData()
+                .filter(::filterByCountry)
+                .sortingWithAveragePrice()
+
+        return if (data.isNotEmpty()) data[data.size / 2].cityName else null
     }
 
 
-    private fun excludeNullFoodPricesData(city: CityEntity): Boolean {
-        return city.mealsPrices.mealAtMcDonaldSOrEquivalent != null
+    private fun filterByCountry(city: CityEntity): Boolean {
+        return (city.country == "United States"
+                && city.mealsPrices.mealAtMcDonaldSOrEquivalent != null
+                && city.mealsPrices.mealInexpensiveRestaurant != null
+                && city.mealsPrices.mealFor2PeopleMidRangeRestaurant != null
+                ) || (city.country == "Canada"
+                && city.mealsPrices.mealAtMcDonaldSOrEquivalent != null
                 && city.mealsPrices.mealInexpensiveRestaurant != null
                 && city.mealsPrices.mealFor2PeopleMidRangeRestaurant != null
+                ) || (city.country == "Mexico"
+                && city.mealsPrices.mealAtMcDonaldSOrEquivalent != null
+                && city.mealsPrices.mealInexpensiveRestaurant != null
+                && city.mealsPrices.mealFor2PeopleMidRangeRestaurant != null
+                )
     }
 
-    private fun List<CityEntity>.filterAllCitiesByCountry(): List<CityEntity> {
-        return this.filter {
-            it.country == "USA" || it.country == "Canada" || it.country == "Mexico"
-        }
-    }
 
     private fun List<CityEntity>.sortingWithAveragePrice(): List<CityEntity> {
-        return this.sortedByDescending {
+        return this.sortedBy {
             (it.mealsPrices.mealInexpensiveRestaurant?.plus(it.mealsPrices.mealAtMcDonaldSOrEquivalent!!)
-                ?.plus(it.mealsPrices.mealFor2PeopleMidRangeRestaurant!!))?.div(3.0f)
+                ?.plus(it.mealsPrices.mealFor2PeopleMidRangeRestaurant!!))?.div(3)
         }
     }
 }
\ No newline at end of file
diff --git a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
index 49a8572ee..1d9ea9fd8 100644
--- a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
+++ b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
@@ -458,6 +458,227 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
         )
     }
 
+    val canadaHighQuality by lazy {
+        CityEntity(
+            cityName = "Ottawa",
+            country = "Canada",
+            mealsPrices = MealsPrices(
+                mealInexpensiveRestaurant = 40f,
+                mealFor2PeopleMidRangeRestaurant = 35f,
+                mealAtMcDonaldSOrEquivalent = 10f
+            ),
+            drinksPrices = DrinksPrices(
+                cappuccinoRegularInRestaurants = 7f,
+                cokePepsiAThirdOfLiterBottleInRestaurants = 2f,
+                waterAThirdOfLiterBottleInRestaurants = 1f,
+                milkRegularOneLiter = 2f,
+                waterOneAndHalfLiterBottleAtTheMarket = 2.5f
+            ),
+            fruitAndVegetablesPrices = FruitAndVegetablesPrices(
+                apples1kg = 2f,
+                banana1kg = 1f,
+                oranges1kg = 1f,
+                tomato1kg = 3f,
+                potato1kg = 1f,
+                onion1kg = 1f,
+                lettuceOneHead = 0.25f
+            ),
+            foodPrices = FoodPrices(
+                loafOfFreshWhiteBread500g = 9f,
+                riceWhite1kg = 4f,
+                eggsRegular12 = 3f,
+                localCheese1kg = 1f,
+                chickenFillets1kg = 12f,
+                beefRound1kgOrEquivalentBackLegRedMeat = 20f
+            ),
+            servicesPrices = ServicesPrices(
+                basicElectricityHeatingCoolingWaterGarbageFor85m2Apartment = 25f,
+                oneMinOfPrepaidMobileTariffLocalNoDiscountsOrPlans = 30f,
+                internet60MbpsOrMoreUnlimitedDataCableAdsl = null,
+                fitnessClubMonthlyFeeForOneAdult = 100f,
+                tennisCourtRentOneHourOnWeekend = 100f,
+                cinemaInternationalReleaseOneSeat = 10f,
+                preschoolOrKindergartenFullDayPrivateMonthlyForOneChild = 100f,
+                internationalPrimarySchoolYearlyForOneChild = 1000f
+            ),
+            clothesPrices = ClothesPrices(
+                onePairOfJeansLevis50oneOrSimilar = 60f,
+                oneSummerDressInAChainStoreZaraHAndM = 90f,
+                onePairOfNikeRunningShoesMidRange = 80f,
+                onePairOfMenLeatherBusinessShoes = 300f
+            ),
+            transportationsPrices = TransportationsPrices(
+                oneWayTicketLocalTransport = 5f,
+                monthlyPassRegularPrice = 60f,
+                taxiStartNormalTariff = 20f,
+                taxi1kmNormalTariff = 30f,
+                taxi1hourWaitingNormalTariff = 60f,
+                gasolineOneLiter = 2f
+            ),
+            carsPrices = CarsPrices(
+                volkswagenGolf_1_4_90kwTrendLineOrEquivalentNewCar = 300000f,
+                toyotaCorollaSedan_1_6l_97kwComfortOrEquivalentNewCar = 250000f
+            ),
+            realEstatesPrices = RealEstatesPrices(
+                apartmentOneBedroomInCityCentre = 500000f,
+                apartmentOneBedroomOutsideOfCentre = 300000f,
+                apartment3BedroomsInCityCentre = 800000f,
+                apartment3BedroomsOutsideOfCentre = 500000f,
+                pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
+                pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
+            ),
+            averageMonthlyNetSalaryAfterTax = null,
+            dataQuality = true
+        )
+    }
+
+    val unitedStateHighQuality by lazy {
+        CityEntity(
+            cityName = "Washington",
+            country = "United States",
+            mealsPrices = MealsPrices(
+                mealInexpensiveRestaurant = 100f,
+                mealFor2PeopleMidRangeRestaurant = 60f,
+                mealAtMcDonaldSOrEquivalent = 30f
+            ),
+            drinksPrices = DrinksPrices(
+                cappuccinoRegularInRestaurants = 7f,
+                cokePepsiAThirdOfLiterBottleInRestaurants = 2f,
+                waterAThirdOfLiterBottleInRestaurants = 1f,
+                milkRegularOneLiter = 2f,
+                waterOneAndHalfLiterBottleAtTheMarket = 2.5f
+            ),
+            fruitAndVegetablesPrices = FruitAndVegetablesPrices(
+                apples1kg = 2f,
+                banana1kg = 1f,
+                oranges1kg = 1f,
+                tomato1kg = 3f,
+                potato1kg = 1f,
+                onion1kg = 1f,
+                lettuceOneHead = 0.25f
+            ),
+            foodPrices = FoodPrices(
+                loafOfFreshWhiteBread500g = 9f,
+                riceWhite1kg = 4f,
+                eggsRegular12 = 3f,
+                localCheese1kg = 1f,
+                chickenFillets1kg = 12f,
+                beefRound1kgOrEquivalentBackLegRedMeat = 20f
+            ),
+            servicesPrices = ServicesPrices(
+                basicElectricityHeatingCoolingWaterGarbageFor85m2Apartment = 25f,
+                oneMinOfPrepaidMobileTariffLocalNoDiscountsOrPlans = 30f,
+                internet60MbpsOrMoreUnlimitedDataCableAdsl = null,
+                fitnessClubMonthlyFeeForOneAdult = 100f,
+                tennisCourtRentOneHourOnWeekend = 100f,
+                cinemaInternationalReleaseOneSeat = 10f,
+                preschoolOrKindergartenFullDayPrivateMonthlyForOneChild = 100f,
+                internationalPrimarySchoolYearlyForOneChild = 1000f
+            ),
+            clothesPrices = ClothesPrices(
+                onePairOfJeansLevis50oneOrSimilar = 60f,
+                oneSummerDressInAChainStoreZaraHAndM = 90f,
+                onePairOfNikeRunningShoesMidRange = 80f,
+                onePairOfMenLeatherBusinessShoes = 300f
+            ),
+            transportationsPrices = TransportationsPrices(
+                oneWayTicketLocalTransport = 5f,
+                monthlyPassRegularPrice = 60f,
+                taxiStartNormalTariff = 20f,
+                taxi1kmNormalTariff = 30f,
+                taxi1hourWaitingNormalTariff = 60f,
+                gasolineOneLiter = 2f
+            ),
+            carsPrices = CarsPrices(
+                volkswagenGolf_1_4_90kwTrendLineOrEquivalentNewCar = 300000f,
+                toyotaCorollaSedan_1_6l_97kwComfortOrEquivalentNewCar = 250000f
+            ),
+            realEstatesPrices = RealEstatesPrices(
+                apartmentOneBedroomInCityCentre = 500000f,
+                apartmentOneBedroomOutsideOfCentre = 300000f,
+                apartment3BedroomsInCityCentre = 800000f,
+                apartment3BedroomsOutsideOfCentre = 500000f,
+                pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
+                pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
+            ),
+            averageMonthlyNetSalaryAfterTax = null,
+            dataQuality = true
+        )
+    }
+
+    val mexicoHighQuality by lazy {
+        CityEntity(
+            cityName = "Mexico",
+            country = "Mexico",
+            mealsPrices = MealsPrices(
+                mealInexpensiveRestaurant = 70f,
+                mealFor2PeopleMidRangeRestaurant = 35f,
+                mealAtMcDonaldSOrEquivalent = 25f
+            ),
+            drinksPrices = DrinksPrices(
+                cappuccinoRegularInRestaurants = 7f,
+                cokePepsiAThirdOfLiterBottleInRestaurants = 2f,
+                waterAThirdOfLiterBottleInRestaurants = 1f,
+                milkRegularOneLiter = 2f,
+                waterOneAndHalfLiterBottleAtTheMarket = 2.5f
+            ),
+            fruitAndVegetablesPrices = FruitAndVegetablesPrices(
+                apples1kg = 2f,
+                banana1kg = 1f,
+                oranges1kg = 1f,
+                tomato1kg = 3f,
+                potato1kg = 1f,
+                onion1kg = 1f,
+                lettuceOneHead = 0.25f
+            ),
+            foodPrices = FoodPrices(
+                loafOfFreshWhiteBread500g = 9f,
+                riceWhite1kg = 4f,
+                eggsRegular12 = 3f,
+                localCheese1kg = 1f,
+                chickenFillets1kg = 12f,
+                beefRound1kgOrEquivalentBackLegRedMeat = 20f
+            ),
+            servicesPrices = ServicesPrices(
+                basicElectricityHeatingCoolingWaterGarbageFor85m2Apartment = 25f,
+                oneMinOfPrepaidMobileTariffLocalNoDiscountsOrPlans = 30f,
+                internet60MbpsOrMoreUnlimitedDataCableAdsl = null,
+                fitnessClubMonthlyFeeForOneAdult = 100f,
+                tennisCourtRentOneHourOnWeekend = 100f,
+                cinemaInternationalReleaseOneSeat = 10f,
+                preschoolOrKindergartenFullDayPrivateMonthlyForOneChild = 100f,
+                internationalPrimarySchoolYearlyForOneChild = 1000f
+            ),
+            clothesPrices = ClothesPrices(
+                onePairOfJeansLevis50oneOrSimilar = 60f,
+                oneSummerDressInAChainStoreZaraHAndM = 90f,
+                onePairOfNikeRunningShoesMidRange = 80f,
+                onePairOfMenLeatherBusinessShoes = 300f
+            ),
+            transportationsPrices = TransportationsPrices(
+                oneWayTicketLocalTransport = 5f,
+                monthlyPassRegularPrice = 60f,
+                taxiStartNormalTariff = 20f,
+                taxi1kmNormalTariff = 30f,
+                taxi1hourWaitingNormalTariff = 60f,
+                gasolineOneLiter = 2f
+            ),
+            carsPrices = CarsPrices(
+                volkswagenGolf_1_4_90kwTrendLineOrEquivalentNewCar = 300000f,
+                toyotaCorollaSedan_1_6l_97kwComfortOrEquivalentNewCar = 250000f
+            ),
+            realEstatesPrices = RealEstatesPrices(
+                apartmentOneBedroomInCityCentre = 500000f,
+                apartmentOneBedroomOutsideOfCentre = 300000f,
+                apartment3BedroomsInCityCentre = 800000f,
+                apartment3BedroomsOutsideOfCentre = 500000f,
+                pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
+                pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
+            ),
+            averageMonthlyNetSalaryAfterTax = null,
+            dataQuality = true
+        )
+    }
     private val cityList = mutableListOf<CityEntity>()
     private val nullableCityList = mutableListOf<CityEntity>()
 
@@ -465,6 +686,9 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
         cityList.add(cairoHighQuality)
         cityList.add(londonLowQuality)
         cityList.add(parisHighQuality)
+        cityList.add(unitedStateHighQuality)
+        cityList.add(mexicoHighQuality)
+        cityList.add(canadaHighQuality)
         nullableCityList.add(baghdadHighQualityNull)
         nullableCityList.add(rabatLowQualityNull)
         nullableCityList.add(berlinHighQualityNull)
diff --git a/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt b/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt
index 1c36ed867..3d2e7939b 100644
--- a/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt
+++ b/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt
@@ -1,44 +1,46 @@
 package interactor
 
-import dataSource.FakeDataSource
+import dataSource.HardCodedFakeDataSource
 import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.TestInstance
+import kotlin.test.assertEquals
 import kotlin.test.assertNotNull
-import kotlin.test.assertNull
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
 internal class GetCityManagerExpectationTest {
-    private lateinit var fakeData: FakeDataSource
     private lateinit var getCityManagerExpectation: GetCityManagerExpectation
+    private lateinit var dataSource: HardCodedFakeDataSource
 
     @BeforeAll
     fun init() {
-        fakeData = FakeDataSource()
+        dataSource = HardCodedFakeDataSource()
         getCityManagerExpectation =
-            GetCityManagerExpectation(fakeData)
+            GetCityManagerExpectation(dataSource)
+
     }
+
     @Test
-    fun should_ReturnCorrectCity_When_EnterValidData() {
-        //Given fake data source
-        fakeData.setDataType(FakeDataSource.DataType.VALID)
+    fun should_ReturnNotNull_When_EnterValidData() {
+        //Given Valid data
+        dataSource = HardCodedFakeDataSource()
 
         //When list not equal null
-        val list = getCityManagerExpectation.execute()
+        val cityName = getCityManagerExpectation.execute()
 
         //Then
-        assertNotNull(list)
+        assertNotNull(cityName)
     }
 
     @Test
-    fun should_ReturnNoValidList_When_EnterNull() {
-        //Given fake data source
-        fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
+    fun should_ReturnCorrectCity_When_EnterValidData() {
+        //Given Valid data
+        dataSource = HardCodedFakeDataSource()
 
-        //When list equal null
-        val list = getCityManagerExpectation.execute()
+        //When list Enter Valid Data
+        val cityName = getCityManagerExpectation.execute()
 
         //Then
-        assertNull(list)
+        assertEquals("Mexico", cityName)
     }
 }
\ No newline at end of file

From f2c00f9a4e98a5dbe796d91bc767c523ef618988 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Tue, 14 Feb 2023 12:57:15 +0200
Subject: [PATCH 094/125] Delete local.properties

---
 local.properties | 8 --------
 1 file changed, 8 deletions(-)
 delete mode 100644 local.properties

diff --git a/local.properties b/local.properties
deleted file mode 100644
index 048efd4b7..000000000
--- a/local.properties
+++ /dev/null
@@ -1,8 +0,0 @@
-## This file must *NOT* be checked into Version Control Systems,
-# as it contains information specific to your local configuration.
-#
-# Location of the SDK. This is only used by Gradle.
-# For customization when using a Version Control System, please read the
-# header note.
-#Tue Feb 14 11:11:25 EET 2023
-sdk.dir=C\:\\Users\\DELL\\AppData\\Local\\Android\\Sdk

From d6accd8dbf49b63d839087083a8469be6dea2db0 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Tue, 14 Feb 2023 12:58:19 +0200
Subject: [PATCH 095/125] add printSeparationLine

---
 src/main/kotlin/Main.kt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index 613b55768..8fd87f662 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -30,6 +30,7 @@ fun main() {
     getMostSuitableCityForMoreSavingsPerMonthInteractor.apply {
         println(execute())
     }
+     printSeparationLine()
 
     val getCityManagerExpectation = GetCityManagerExpectation(dataSource)
     println(getCityManagerExpectation.execute())

From 02c996bc544c1c0a8d1c355b65dc5c77357bc392 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Tue, 14 Feb 2023 13:05:50 +0200
Subject: [PATCH 096/125] Delete gradle.xml

---
 .idea/gradle.xml | 18 ------------------
 1 file changed, 18 deletions(-)
 delete mode 100644 .idea/gradle.xml

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
deleted file mode 100644
index 0be34f916..000000000
--- a/.idea/gradle.xml
+++ /dev/null
@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="GradleMigrationSettings" migrationVersion="1" />
-  <component name="GradleSettings">
-    <option name="linkedExternalProjectsSettings">
-      <GradleProjectSettings>
-        <option name="testRunner" value="GRADLE" />
-        <option name="distributionType" value="WRAPPED" />
-        <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="modules">
-          <set>
-            <option value="$PROJECT_DIR$" />
-          </set>
-        </option>
-      </GradleProjectSettings>
-    </option>
-  </component>
-</project>
\ No newline at end of file

From cf67e000653d06ada39e510713ec6c372a2ea14a Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Tue, 14 Feb 2023 13:06:07 +0200
Subject: [PATCH 097/125] Delete local.properties

---
 local.properties | 10 ----------
 1 file changed, 10 deletions(-)
 delete mode 100644 local.properties

diff --git a/local.properties b/local.properties
deleted file mode 100644
index 8b2cf5b8f..000000000
--- a/local.properties
+++ /dev/null
@@ -1,10 +0,0 @@
-## This file must *NOT* be checked into Version Control Systems,
-# as it contains information specific to your local configuration.
-#
-# Location of the SDK. This is only used by Gradle.
-# For customization when using a Version Control System, please read the
-# header note.
-
-#Fri Feb 10 21:51:47 EET 2023
-sdk.dir=C\:\\Users\\computer\\AppData\\Local\\Android\\Sdk
-

From 8665cf541269090578fee5e179ab56ddc507c42a Mon Sep 17 00:00:00 2001
From: Nour Elden Alaa <63457278+Eng-Light@users.noreply.github.com>
Date: Tue, 14 Feb 2023 13:15:25 +0200
Subject: [PATCH 098/125] Update HardCodedFakeDataSource.kt

Valid List shouldn't have null averageSalary so I set value to it.
---
 src/test/kotlin/dataSource/HardCodedFakeDataSource.kt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
index 1d9ea9fd8..c5e5daf89 100644
--- a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
+++ b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
@@ -527,7 +527,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
                 pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
                 pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
             ),
-            averageMonthlyNetSalaryAfterTax = null,
+            averageMonthlyNetSalaryAfterTax = 6000f,
             dataQuality = true
         )
     }
@@ -601,7 +601,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
                 pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
                 pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
             ),
-            averageMonthlyNetSalaryAfterTax = null,
+            averageMonthlyNetSalaryAfterTax = 6000f,
             dataQuality = true
         )
     }
@@ -675,7 +675,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
                 pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
                 pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
             ),
-            averageMonthlyNetSalaryAfterTax = null,
+            averageMonthlyNetSalaryAfterTax = 6000f,
             dataQuality = true
         )
     }
@@ -704,4 +704,4 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
             }
         }
     }
-}
\ No newline at end of file
+}

From 0c5f011d39af9b559d4814a178236a7ffae29804 Mon Sep 17 00:00:00 2001
From: Nour Elden Alaa <63457278+Eng-Light@users.noreply.github.com>
Date: Tue, 14 Feb 2023 13:40:02 +0200
Subject: [PATCH 099/125] Update
 GetCityHasCheapestInternetConnectionInteractor.kt

correct a typo.
---
 .../GetCityHasCheapestInternetConnectionInteractor.kt         | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt b/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt
index 0405e393c..21da4ac7e 100644
--- a/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt
+++ b/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt
@@ -24,11 +24,11 @@ class GetCityHasCheapestInternetConnectionInteractor(
     }
 
 
-    private fun List<CityEntity>.sortingWithBestInterentPrice(): List<CityEntity> {
+    private fun List<CityEntity>.sortingWithBestInternetPrice(): List<CityEntity> {
         return this.sortedByDescending {
             (it.averageMonthlyNetSalaryAfterTax?.div(
                 it.servicesPrices.internet60MbpsOrMoreUnlimitedDataCableAdsl!!
             ))
         }
     }
-}
\ No newline at end of file
+}

From 6f4193b9fef4fd74d0512394f35764996ad66e72 Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Tue, 14 Feb 2023 14:27:54 +0200
Subject: [PATCH 100/125] update class hardcoded fake datasource add
 mixedCityList

---
 .../dataSource/HardCodedFakeDataSource.kt     | 22 ++++++++++++++-----
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
index 49a8572ee..d67d40d1e 100644
--- a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
+++ b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
@@ -6,7 +6,7 @@ import model.*
 class HardCodedFakeDataSource : CostOfLivingDataSource {
 
     enum class DataType {
-        VALID, EMPTY, NULLABLE
+        VALID, EMPTY, NULLABLE, MIXED
     }
 
     private var dataType: DataType = DataType.VALID
@@ -458,19 +458,26 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
         )
     }
 
-    private val cityList = mutableListOf<CityEntity>()
+    private val validCityList = mutableListOf<CityEntity>()
     private val nullableCityList = mutableListOf<CityEntity>()
+    private val mixedCityList = mutableListOf<CityEntity>()
 
     override fun getAllCitiesData(): List<CityEntity> {
-        cityList.add(cairoHighQuality)
-        cityList.add(londonLowQuality)
-        cityList.add(parisHighQuality)
+        validCityList.add(cairoHighQuality)
+        validCityList.add(londonLowQuality)
+        validCityList.add(parisHighQuality)
         nullableCityList.add(baghdadHighQualityNull)
         nullableCityList.add(rabatLowQualityNull)
         nullableCityList.add(berlinHighQualityNull)
+        mixedCityList.add(cairoHighQuality)
+        mixedCityList.add(londonLowQuality)
+        mixedCityList.add(parisHighQuality)
+        mixedCityList.add(baghdadHighQualityNull)
+        mixedCityList.add(rabatLowQualityNull)
+        mixedCityList.add(berlinHighQualityNull)
         return when (dataType) {
             DataType.VALID -> {
-                cityList
+                validCityList
             }
             DataType.EMPTY -> {
                 emptyList<CityEntity>()
@@ -478,6 +485,9 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
             DataType.NULLABLE -> {
                 nullableCityList
             }
+            DataType.MIXED -> {
+                mixedCityList
+            }
         }
     }
 }
\ No newline at end of file

From 6e5834e2b78f89b36bd88869cfe1ee81e182f7be Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Tue, 14 Feb 2023 14:35:59 +0200
Subject: [PATCH 101/125] update test class cases add new case

---
 ...ableCityForMoreSavingsPerMonthInteractorTest.kt | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt b/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
index deec3c81c..448e92dc8 100644
--- a/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
@@ -23,6 +23,20 @@ internal class GetMostSuitableCityForMoreSavingsPerMonthInteractorTest {
     @Test
     fun should_ReturnCityEntity_When_EnterValidCityList() {
         // given
+        dataSource.setDatatype(HardCodedFakeDataSource.DataType.VALID)
+        val expectedCity = dataSource.parisHighQuality
+        // when
+        val cityEntity = getMostSuitableCity.run {
+            execute()
+        }
+        // then
+        assertEquals(expectedCity,cityEntity)
+    }
+
+    @Test
+    fun should_ReturnCityEntity_When_EnterMixedCityList() {
+        // given
+        dataSource.setDatatype(HardCodedFakeDataSource.DataType.MIXED)
         val expectedCity = dataSource.parisHighQuality
         // when
         val cityEntity = getMostSuitableCity.run {

From 65c35d8742aed9051a61f387edf62f86ccc54980 Mon Sep 17 00:00:00 2001
From: nahedshehata <109394234+nahedshehata@users.noreply.github.com>
Date: Tue, 14 Feb 2023 15:25:14 +0200
Subject: [PATCH 102/125] update testcases

---
 src/main/kotlin/Main.kt                             |  7 +++++--
 .../GetCityNameAndSalrayAverageInteractor.kt        |  3 +--
 .../GetCityNameAndSalrayAverageInteractorTest.kt    | 13 +++++++------
 3 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index dbebd24a3..d01e0a40e 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -16,9 +16,9 @@ fun main() {
     }
     printSeparationLine()
 
-    val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
+   /* val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
     println(getCityHasCheapestInternetConnectionInteractor.execute())
-    printSeparationLine()
+    printSeparationLine()*/
 
     val getCheapestBananaPricesCitiesNamesInteractor=GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
     getCheapestBananaPricesCitiesNamesInteractor.apply {
@@ -30,6 +30,9 @@ fun main() {
     getMostSuitableCityForMoreSavingsPerMonthInteractor.apply {
         println(execute())
     }
+    printSeparationLine()
+   /* val getCityNameAndSalrayAverageInteractor=GetCityNameAndSalrayAverageInteractor(dataSource)
+    println(getCityNameAndSalrayAverageInteractor.execute(""))*/
 
 }
 
diff --git a/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt b/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
index e469063a7..08429d30d 100644
--- a/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
+++ b/src/main/kotlin/interactor/GetCityNameAndSalrayAverageInteractor.kt
@@ -13,8 +13,7 @@ class GetCityNameAndSalrayAverageInteractor(private val dataSource: CostOfLiving
             .filter { (it.country == country.convert()) && (it.dataQuality) }.getSalary()
         if(list.isEmpty())
         {
-            throw Throwable("Enter Falid Country")
-
+            throw Exception("Enter Valid Country")
         }
         return list
     }
diff --git a/src/test/kotlin/interactor/GetCityNameAndSalrayAverageInteractorTest.kt b/src/test/kotlin/interactor/GetCityNameAndSalrayAverageInteractorTest.kt
index 92f7ea18c..562ca0b2c 100644
--- a/src/test/kotlin/interactor/GetCityNameAndSalrayAverageInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCityNameAndSalrayAverageInteractorTest.kt
@@ -9,6 +9,8 @@ import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.TestInstance
+import org.junit.jupiter.api.assertThrows
+import org.junit.jupiter.api.function.Executable
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
 internal class GetCityNameAndSalrayAverageInteractorTest {
@@ -21,8 +23,6 @@ internal class GetCityNameAndSalrayAverageInteractorTest {
         fakeData = HardCodedFakeDataSource()
         getcityandsalary = GetCityNameAndSalrayAverageInteractor(fakeData)
     }
-
-
     @Test
     fun should_ReturnlistOfPairs_When_DataValid()
     {
@@ -31,18 +31,19 @@ internal class GetCityNameAndSalrayAverageInteractorTest {
         //when
         val listOfCityAndSalary = getcityandsalary.execute("eGypt")
         //then
-        assertTrue(listOfCityAndSalary.size==1&&listOfCityAndSalary[0]==Pair("Cairo",6000.0f))
+        assertEquals(Pair("Cairo",6000f),listOfCityAndSalary[0])
     }
 
     @Test
     fun should_returnlistEmpty_When_EnterDataNull(){
         //given
         fakeData.setDatatype(HardCodedFakeDataSource.DataType.NULLABLE)
-
         //when
-        val listOfCityAndSalary = getcityandsalary.execute("")
+        val listOfCityAndSalary = Executable{ getcityandsalary.run{
+            execute("ex")
+        }}
         //then
-        assertTrue(listOfCityAndSalary.isEmpty())
+        assertThrows(Exception::class.java,listOfCityAndSalary)
     }
 
 

From 8c6086959b29ee2a8dcf661726b13cbe98bb1e6a Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Tue, 14 Feb 2023 15:30:48 +0200
Subject: [PATCH 103/125] Delete Main.kt

---
 src/main/kotlin/Main.kt | 42 -----------------------------------------
 1 file changed, 42 deletions(-)
 delete mode 100644 src/main/kotlin/Main.kt

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
deleted file mode 100644
index d01e0a40e..000000000
--- a/src/main/kotlin/Main.kt
+++ /dev/null
@@ -1,42 +0,0 @@
-import dataSource.CsvDataSource
-import dataSource.utils.CsvParser
-import interactor.*
-
-fun main() {
-    val csvParser = CsvParser()
-    val dataSource: CostOfLivingDataSource = CsvDataSource(csvParser)
-
-    val getHighestSalaryAverageCities = GetHighestSalaryAverageCititesNamesInteractor(dataSource)
-    println(getHighestSalaryAverageCities.execute(limit = 10))
-    printSeparationLine()
-
-    val getCheapestApartmentsCitiesNamesInteractor = GetCheapestApartmentsCitiesNamesInteractor(dataSource)
-    getCheapestApartmentsCitiesNamesInteractor.execute(10).forEach {
-        println("Number of years needed to buy a 100m apartment in ${it.first} city is : " + "%.2f".format(it.second))
-    }
-    printSeparationLine()
-
-   /* val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
-    println(getCityHasCheapestInternetConnectionInteractor.execute())
-    printSeparationLine()*/
-
-    val getCheapestBananaPricesCitiesNamesInteractor=GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
-    getCheapestBananaPricesCitiesNamesInteractor.apply {
-       println(execute(*getCitiesVarArgs()))
-    }
-    printSeparationLine()
-
-    val getMostSuitableCityForMoreSavingsPerMonthInteractor = GetMostSuitableCityForMoreSavingsPerMonthInteractor(dataSource)
-    getMostSuitableCityForMoreSavingsPerMonthInteractor.apply {
-        println(execute())
-    }
-    printSeparationLine()
-   /* val getCityNameAndSalrayAverageInteractor=GetCityNameAndSalrayAverageInteractor(dataSource)
-    println(getCityNameAndSalrayAverageInteractor.execute(""))*/
-
-}
-
-private fun printSeparationLine() {
-    print("\n_______________________________\n")
-}
-

From cae244fc460dee0d39b1580c5302cb225c2b5e9a Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Tue, 14 Feb 2023 15:53:52 +0200
Subject: [PATCH 104/125] Update HardCodedFakeDataSource.kt

---
 src/test/kotlin/dataSource/HardCodedFakeDataSource.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
index 39f6ab533..80c6f896c 100644
--- a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
+++ b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
@@ -458,7 +458,7 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
         )
     }
 
-    private val validCityList = mutableListOf<CityEntity>()
+   
     val canadaHighQuality by lazy {
         CityEntity(
             cityName = "Ottawa",

From 430094f8338821c1338a77b5533feb17b53e77b0 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Tue, 14 Feb 2023 15:57:38 +0200
Subject: [PATCH 105/125] Update
 GetCityHasCheapestInternetConnectionInteractor.kt

---
 .../GetCityHasCheapestInternetConnectionInteractor.kt           | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt b/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt
index acd722ec4..2360e13f3 100644
--- a/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt
+++ b/src/main/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractor.kt
@@ -9,7 +9,7 @@ class GetCityHasCheapestInternetConnectionInteractor(
         val list = dataSource
             .getAllCitiesData()
             .filter(::excludeNullAverageSalaryAndServicesPrices)
-            .sortingWithBestInterentPrice()
+            .sortingWithBestInternetPrice()
             .take(limit)
             .map { it.cityName }
         return if (list.isEmpty())

From e7dd73ccafbafc86faf377d127ff126e7e7b0ffc Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Tue, 14 Feb 2023 15:59:29 +0200
Subject: [PATCH 106/125] Update
 GetCityHasCheapestInternetConnectionInteractorTest.kt

---
 .../GetCityHasCheapestInternetConnectionInteractorTest.kt   | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt b/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
index 0e72cede2..1945efb7c 100644
--- a/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
@@ -25,7 +25,7 @@ internal class GetCityHasCheapestInternetConnectionInteractorTest(){
         //Given
         hardCodedFakeDataSource.setDatatype(HardCodedFakeDataSource.DataType.VALID)
         //When
-        val city = getCityHasCheapestInternetConnectionInteractor.execute()
+        val city = getCityHasCheapestInternetConnectionInteractor.execute(1)
         //Then
         assertEquals("paris",city.cityName)
 
@@ -36,9 +36,9 @@ internal class GetCityHasCheapestInternetConnectionInteractorTest(){
         //Given
         hardCodedFakeDataSource.setDatatype(HardCodedFakeDataSource.DataType.NULLABLE)
         //When
-        val city = getCityHasCheapestInternetConnectionInteractor.execute()
+        val city = getCityHasCheapestInternetConnectionInteractor.execute(1)
         //Then
         assertEquals("",city.cityName)
     }
 
-}
\ No newline at end of file
+}

From 17999f0538061f27a2ece2b6ad93b91731756e1e Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <79477855+MahmoudElshahatt@users.noreply.github.com>
Date: Tue, 14 Feb 2023 16:01:55 +0200
Subject: [PATCH 107/125] Update
 GetCityHasCheapestInternetConnectionInteractorTest.kt

---
 .../GetCityHasCheapestInternetConnectionInteractorTest.kt     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt b/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
index 1945efb7c..0854abfc5 100644
--- a/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCityHasCheapestInternetConnectionInteractorTest.kt
@@ -27,7 +27,7 @@ internal class GetCityHasCheapestInternetConnectionInteractorTest(){
         //When
         val city = getCityHasCheapestInternetConnectionInteractor.execute(1)
         //Then
-        assertEquals("paris",city.cityName)
+        assertEquals("paris",city)
 
     }
 
@@ -38,7 +38,7 @@ internal class GetCityHasCheapestInternetConnectionInteractorTest(){
         //When
         val city = getCityHasCheapestInternetConnectionInteractor.execute(1)
         //Then
-        assertEquals("",city.cityName)
+        assertEquals("",city)
     }
 
 }

From c9697c65717d50be8c88db31fe11d5189b224009 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Tue, 14 Feb 2023 16:31:16 +0200
Subject: [PATCH 108/125] code refactor

---
 ...esForShoppingClothesFromFamousBrandsInteractorTest.kt | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/test/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest.kt b/src/test/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest.kt
index 767d7f91a..caad0f611 100644
--- a/src/test/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest.kt
@@ -1,11 +1,12 @@
 package interactor
 
-import model.FakeDataSource
-import org.junit.jupiter.api.Test
-
-import org.junit.jupiter.api.Assertions.*
+import dataSource.FakeDataSource
+import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
 
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
 internal class GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractorTest {
 
     private lateinit var fakeData: FakeDataSource

From 84c2415be3e893df647f1d0ce8c0dd8f05162abe Mon Sep 17 00:00:00 2001
From: febronia53 <febroniasameh5@gmail.com>
Date: Tue, 14 Feb 2023 17:22:22 +0200
Subject: [PATCH 109/125] add testcases

---
 ...estRentingBetweenAppartementsInteractor.kt | 11 +++
 ...tRentingBetweenApartmentsInteractorTest.kt | 75 +++++++++++++++++++
 2 files changed, 86 insertions(+)
 create mode 100644 src/main/kotlin/interactor/GetHighestRentingBetweenAppartementsInteractor.kt
 create mode 100644 src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt

diff --git a/src/main/kotlin/interactor/GetHighestRentingBetweenAppartementsInteractor.kt b/src/main/kotlin/interactor/GetHighestRentingBetweenAppartementsInteractor.kt
new file mode 100644
index 000000000..c3544def1
--- /dev/null
+++ b/src/main/kotlin/interactor/GetHighestRentingBetweenAppartementsInteractor.kt
@@ -0,0 +1,11 @@
+package interactor
+
+import model.CityEntity
+
+class GetCityHasHighestRentingBetweenApartmentsInteractor(
+    private val dataSource: CostOfLivingDataSource
+) {
+    fun execute(): CityEntity {
+        throw Throwable("Not Implemented yet")
+    }
+}
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt b/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt
new file mode 100644
index 000000000..1d947b74f
--- /dev/null
+++ b/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt
@@ -0,0 +1,75 @@
+package interactor
+
+import dataSource.HardCodedFakeDataSource
+import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
+import org.junit.jupiter.api.function.Executable
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+internal class GetCityHasHighestRentingBetweenApartmentsInteractorTest {
+    private lateinit var dataSource: HardCodedFakeDataSource
+    private lateinit var getCityHasHighestRentingBetweenApartmentsInteractor: GetCityHasHighestRentingBetweenApartmentsInteractor
+
+    @BeforeAll
+    fun init(){
+        dataSource = HardCodedFakeDataSource()
+        getCityHasHighestRentingBetweenApartmentsInteractor =
+            GetCityHasHighestRentingBetweenApartmentsInteractor(dataSource)
+    }
+
+    @Test
+    fun should_ReturnCityEntity_When_EnterValidCityList() {
+        // given
+        dataSource.setDatatype(HardCodedFakeDataSource.DataType.VALID)
+        val expectedCity = dataSource.cairoHighQuality
+        // when
+        val cityEntity = getCityHasHighestRentingBetweenApartmentsInteractor.run {
+            execute()
+        }
+        // then
+        assertEquals(expectedCity, cityEntity)
+    }
+
+    @Test
+    fun should_ReturnCityEntity_When_EnterMixedCityList() {
+        // given
+        dataSource.setDatatype(HardCodedFakeDataSource.DataType.MIXED)
+        val expectedCity = dataSource.cairoHighQuality
+        // when
+        val cityEntity = getCityHasHighestRentingBetweenApartmentsInteractor.run {
+            execute()
+        }
+        // then
+        assertEquals(expectedCity, cityEntity)
+    }
+
+    @Test
+    fun should_ReturnException_When_EnterEmptyCityList() {
+        // given
+        dataSource.setDatatype(HardCodedFakeDataSource.DataType.EMPTY)
+        // when
+        val emptyCityEntity = Executable {
+            getCityHasHighestRentingBetweenApartmentsInteractor.run {
+                execute()
+            }
+        }
+        // then
+        assertThrows(Exception::class.java, emptyCityEntity)
+    }
+
+    @Test
+    fun should_ReturnException_When_EnterNullableCityList() {
+        // given
+        dataSource.setDatatype(HardCodedFakeDataSource.DataType.NULLABLE)
+        // when
+        val emptyCityEntity = Executable {
+            getCityHasHighestRentingBetweenApartmentsInteractor.run {
+                execute()
+            }
+        }
+        // then
+        assertThrows(Exception::class.java, emptyCityEntity)
+    }
+}
\ No newline at end of file

From d16e888c0165e40daa23e769101babfd91ec1835 Mon Sep 17 00:00:00 2001
From: febronia53 <febroniasameh5@gmail.com>
Date: Tue, 14 Feb 2023 17:56:26 +0200
Subject: [PATCH 110/125] add function implementation

---
 src/main/kotlin/Main.kt                       |  3 ++
 ...estRentingBetweenAppartementsInteractor.kt | 24 ++++++++++++-
 .../dataSource/HardCodedFakeDataSource.kt     | 36 +++++++++----------
 3 files changed, 44 insertions(+), 19 deletions(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index 6ca7d49c0..bb0184cb2 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -46,6 +46,9 @@ fun main() {
     printSeparationLine()
 
 
+    val getCityHasHighestRentingBetweenApartmentsInteractor =
+        GetCityHasHighestRentingBetweenApartmentsInteractor(dataSource)
+    println(getCityHasHighestRentingBetweenApartmentsInteractor.execute().cityName)
 
 }
 
diff --git a/src/main/kotlin/interactor/GetHighestRentingBetweenAppartementsInteractor.kt b/src/main/kotlin/interactor/GetHighestRentingBetweenAppartementsInteractor.kt
index c3544def1..01d33f0b2 100644
--- a/src/main/kotlin/interactor/GetHighestRentingBetweenAppartementsInteractor.kt
+++ b/src/main/kotlin/interactor/GetHighestRentingBetweenAppartementsInteractor.kt
@@ -6,6 +6,28 @@ class GetCityHasHighestRentingBetweenApartmentsInteractor(
     private val dataSource: CostOfLivingDataSource
 ) {
     fun execute(): CityEntity {
-        throw Throwable("Not Implemented yet")
+        return dataSource
+            .getAllCitiesData()
+            .filter(::excludeNullValuesAndLowQualityData)
+            .sortingWithRentingPrices()
+            .take(1)[0]
     }
+
+    private fun excludeNullValuesAndLowQualityData(city: CityEntity): Boolean {
+        return city.realEstatesPrices.apartment3BedroomsInCityCentre != null
+                && city.realEstatesPrices.apartment3BedroomsOutsideOfCentre != null
+                && city.realEstatesPrices.apartmentOneBedroomInCityCentre != null
+                && city.realEstatesPrices.apartmentOneBedroomOutsideOfCentre != null
+                && city.dataQuality
+    }
+
+    private fun List<CityEntity>.sortingWithRentingPrices(): List<CityEntity> {
+        return this.sortedBy {
+            (it.realEstatesPrices.apartment3BedroomsInCityCentre?.plus(it.realEstatesPrices.apartmentOneBedroomInCityCentre!!))
+                ?.div(
+                    it.realEstatesPrices.apartment3BedroomsOutsideOfCentre?.plus(it.realEstatesPrices.apartmentOneBedroomOutsideOfCentre!!)!!
+                )
+        }
+    }
+
 }
\ No newline at end of file
diff --git a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
index 80c6f896c..b86c2e7f2 100644
--- a/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
+++ b/src/test/kotlin/dataSource/HardCodedFakeDataSource.kt
@@ -298,12 +298,12 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
                 toyotaCorollaSedan_1_6l_97kwComfortOrEquivalentNewCar = 250000f
             ),
             realEstatesPrices = RealEstatesPrices(
-                apartmentOneBedroomInCityCentre = 500000f,
-                apartmentOneBedroomOutsideOfCentre = 300000f,
-                apartment3BedroomsInCityCentre = 800000f,
-                apartment3BedroomsOutsideOfCentre = 500000f,
-                pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
-                pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
+                apartmentOneBedroomInCityCentre = null,
+                apartmentOneBedroomOutsideOfCentre = null,
+                apartment3BedroomsInCityCentre = null,
+                apartment3BedroomsOutsideOfCentre = null,
+                pricePerSquareMeterToBuyApartmentInCityCentre = null,
+                pricePerSquareMeterToBuyApartmentOutsideOfCentre = null
             ),
             averageMonthlyNetSalaryAfterTax = null,
             dataQuality = true
@@ -372,12 +372,12 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
                 toyotaCorollaSedan_1_6l_97kwComfortOrEquivalentNewCar = 250000f
             ),
             realEstatesPrices = RealEstatesPrices(
-                apartmentOneBedroomInCityCentre = 500000f,
-                apartmentOneBedroomOutsideOfCentre = 300000f,
-                apartment3BedroomsInCityCentre = 800000f,
-                apartment3BedroomsOutsideOfCentre = 500000f,
-                pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
-                pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
+                apartmentOneBedroomInCityCentre = null,
+                apartmentOneBedroomOutsideOfCentre = null,
+                apartment3BedroomsInCityCentre = null,
+                apartment3BedroomsOutsideOfCentre = null,
+                pricePerSquareMeterToBuyApartmentInCityCentre = null,
+                pricePerSquareMeterToBuyApartmentOutsideOfCentre = null
             ),
             averageMonthlyNetSalaryAfterTax = null,
             dataQuality = false
@@ -446,12 +446,12 @@ class HardCodedFakeDataSource : CostOfLivingDataSource {
                 toyotaCorollaSedan_1_6l_97kwComfortOrEquivalentNewCar = 250000f
             ),
             realEstatesPrices = RealEstatesPrices(
-                apartmentOneBedroomInCityCentre = 500000f,
-                apartmentOneBedroomOutsideOfCentre = 300000f,
-                apartment3BedroomsInCityCentre = 800000f,
-                apartment3BedroomsOutsideOfCentre = 500000f,
-                pricePerSquareMeterToBuyApartmentInCityCentre = 2000f,
-                pricePerSquareMeterToBuyApartmentOutsideOfCentre = 1500f
+                apartmentOneBedroomInCityCentre = null,
+                apartmentOneBedroomOutsideOfCentre = null,
+                apartment3BedroomsInCityCentre = null,
+                apartment3BedroomsOutsideOfCentre = null,
+                pricePerSquareMeterToBuyApartmentInCityCentre = null,
+                pricePerSquareMeterToBuyApartmentOutsideOfCentre = null
             ),
             averageMonthlyNetSalaryAfterTax = null,
             dataQuality = true

From 17c940b484db43b38d0b9371c5514a01d70d2eb7 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Tue, 14 Feb 2023 18:11:57 +0200
Subject: [PATCH 111/125] update class names

---
 src/main/kotlin/Main.kt                              |  5 ++---
 ...yHasHighestRentingBetweenApartmentsInteractor.kt} |  0
 ...ion.kt => GetCityManagerExpectationInteractor.kt} |  2 +-
 ...kt => GetCityManagerExpectationInteractorTest.kt} | 12 ++++++------
 4 files changed, 9 insertions(+), 10 deletions(-)
 rename src/main/kotlin/interactor/{GetHighestRentingBetweenAppartementsInteractor.kt => GetCityHasHighestRentingBetweenApartmentsInteractor.kt} (100%)
 rename src/main/kotlin/interactor/{GetCityManagerExpectation.kt => GetCityManagerExpectationInteractor.kt} (97%)
 rename src/test/kotlin/interactor/{GetCityManagerExpectationTest.kt => GetCityManagerExpectationInteractorTest.kt} (69%)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index bb0184cb2..b6a7a92b1 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -41,11 +41,10 @@ fun main() {
     }
      printSeparationLine()
 
-    val getCityManagerExpectation = GetCityManagerExpectation(dataSource)
-    println(getCityManagerExpectation.execute())
+    val getCityManagerExpectationInteractor = GetCityManagerExpectationInteractor(dataSource)
+    println(getCityManagerExpectationInteractor.execute())
     printSeparationLine()
 
-
     val getCityHasHighestRentingBetweenApartmentsInteractor =
         GetCityHasHighestRentingBetweenApartmentsInteractor(dataSource)
     println(getCityHasHighestRentingBetweenApartmentsInteractor.execute().cityName)
diff --git a/src/main/kotlin/interactor/GetHighestRentingBetweenAppartementsInteractor.kt b/src/main/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractor.kt
similarity index 100%
rename from src/main/kotlin/interactor/GetHighestRentingBetweenAppartementsInteractor.kt
rename to src/main/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractor.kt
diff --git a/src/main/kotlin/interactor/GetCityManagerExpectation.kt b/src/main/kotlin/interactor/GetCityManagerExpectationInteractor.kt
similarity index 97%
rename from src/main/kotlin/interactor/GetCityManagerExpectation.kt
rename to src/main/kotlin/interactor/GetCityManagerExpectationInteractor.kt
index 73766903a..737a0fc45 100644
--- a/src/main/kotlin/interactor/GetCityManagerExpectation.kt
+++ b/src/main/kotlin/interactor/GetCityManagerExpectationInteractor.kt
@@ -2,7 +2,7 @@ package interactor
 
 import model.CityEntity
 
-class GetCityManagerExpectation(
+class GetCityManagerExpectationInteractor(
     private val dataSource: CostOfLivingDataSource
 ) {
     fun execute(): String? {
diff --git a/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt b/src/test/kotlin/interactor/GetCityManagerExpectationInteractorTest.kt
similarity index 69%
rename from src/test/kotlin/interactor/GetCityManagerExpectationTest.kt
rename to src/test/kotlin/interactor/GetCityManagerExpectationInteractorTest.kt
index 3d2e7939b..dafde70ae 100644
--- a/src/test/kotlin/interactor/GetCityManagerExpectationTest.kt
+++ b/src/test/kotlin/interactor/GetCityManagerExpectationInteractorTest.kt
@@ -8,15 +8,15 @@ import kotlin.test.assertEquals
 import kotlin.test.assertNotNull
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
-internal class GetCityManagerExpectationTest {
-    private lateinit var getCityManagerExpectation: GetCityManagerExpectation
+internal class GetCityManagerExpectationInteractorTest {
+    private lateinit var getCityManagerExpectationInteractor: GetCityManagerExpectationInteractor
     private lateinit var dataSource: HardCodedFakeDataSource
 
     @BeforeAll
     fun init() {
         dataSource = HardCodedFakeDataSource()
-        getCityManagerExpectation =
-            GetCityManagerExpectation(dataSource)
+        getCityManagerExpectationInteractor =
+            GetCityManagerExpectationInteractor(dataSource)
 
     }
 
@@ -26,7 +26,7 @@ internal class GetCityManagerExpectationTest {
         dataSource = HardCodedFakeDataSource()
 
         //When list not equal null
-        val cityName = getCityManagerExpectation.execute()
+        val cityName = getCityManagerExpectationInteractor.execute()
 
         //Then
         assertNotNull(cityName)
@@ -38,7 +38,7 @@ internal class GetCityManagerExpectationTest {
         dataSource = HardCodedFakeDataSource()
 
         //When list Enter Valid Data
-        val cityName = getCityManagerExpectation.execute()
+        val cityName = getCityManagerExpectationInteractor.execute()
 
         //Then
         assertEquals("Mexico", cityName)

From 3b1d343dd9ae931ae5a4e1531abc0805f6f4163d Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Tue, 14 Feb 2023 18:17:58 +0200
Subject: [PATCH 112/125] refactor main function

---
 src/main/kotlin/Main.kt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index b6a7a92b1..a23d2b17b 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -35,6 +35,10 @@ fun main() {
     println(getBestClothesPriceCitiesNameInteractor.execute(limit = 5))
     printSeparationLine()
 
+    val getCityNameAndSalaryAverageInteractor = GetCityNameAndSalrayAverageInteractor(dataSource)
+    println(getCityNameAndSalaryAverageInteractor.execute("Egypt"))
+    printSeparationLine()
+
     val getMostSuitableCityForMoreSavingsPerMonthInteractor = GetMostSuitableCityForMoreSavingsPerMonthInteractor(dataSource)
     getMostSuitableCityForMoreSavingsPerMonthInteractor.apply {
         println(execute())

From 4c8ed3c47f70068f6c6eedabefd5321ccb9882ad Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Thu, 16 Feb 2023 22:18:33 +0200
Subject: [PATCH 113/125] update test class implementation remove run scope

---
 ...leCityForMoreSavingsPerMonthInteractorTest.kt | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt b/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
index 448e92dc8..96d5a78de 100644
--- a/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
@@ -26,9 +26,7 @@ internal class GetMostSuitableCityForMoreSavingsPerMonthInteractorTest {
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.VALID)
         val expectedCity = dataSource.parisHighQuality
         // when
-        val cityEntity = getMostSuitableCity.run {
-            execute()
-        }
+        val cityEntity = getMostSuitableCity.execute()
         // then
         assertEquals(expectedCity,cityEntity)
     }
@@ -39,9 +37,7 @@ internal class GetMostSuitableCityForMoreSavingsPerMonthInteractorTest {
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.MIXED)
         val expectedCity = dataSource.parisHighQuality
         // when
-        val cityEntity = getMostSuitableCity.run {
-            execute()
-        }
+        val cityEntity = getMostSuitableCity.execute()
         // then
         assertEquals(expectedCity,cityEntity)
     }
@@ -52,9 +48,7 @@ internal class GetMostSuitableCityForMoreSavingsPerMonthInteractorTest {
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.EMPTY)
         // when
         val emptyCityEntity = Executable {
-            getMostSuitableCity.run {
-                execute()
-            }
+            getMostSuitableCity.execute()
         }
         // then
         assertThrows(Exception::class.java,emptyCityEntity)
@@ -66,9 +60,7 @@ internal class GetMostSuitableCityForMoreSavingsPerMonthInteractorTest {
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.NULLABLE)
         // when
         val emptyCityEntity = Executable {
-            getMostSuitableCity.run {
-                execute()
-            }
+            getMostSuitableCity.execute()
         }
         // then
         assertThrows(Exception::class.java,emptyCityEntity)

From 993b36d87131b9a6ff2e7ec0c8768a0c821045e3 Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Thu, 16 Feb 2023 22:20:20 +0200
Subject: [PATCH 114/125] update feature class implementation add scope
 functions and constants

---
 ...bleCityForMoreSavingsPerMonthInteractor.kt | 61 +++++++++++--------
 1 file changed, 34 insertions(+), 27 deletions(-)

diff --git a/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt b/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
index 0a5a08da3..b40a5924a 100644
--- a/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
+++ b/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
@@ -1,5 +1,12 @@
 package interactor
 
+import interactor.GetMostSuitableCityForMoreSavingsPerMonthInteractor.NeedsAmounts.BEEF_AMOUNT
+import interactor.GetMostSuitableCityForMoreSavingsPerMonthInteractor.NeedsAmounts.BREAD_AMOUNT
+import interactor.GetMostSuitableCityForMoreSavingsPerMonthInteractor.NeedsAmounts.CHEESE_AMOUNT
+import interactor.GetMostSuitableCityForMoreSavingsPerMonthInteractor.NeedsAmounts.CHICKEN_AMOUNT
+import interactor.GetMostSuitableCityForMoreSavingsPerMonthInteractor.NeedsAmounts.OTHER_NEEDS_LIMIT
+import interactor.GetMostSuitableCityForMoreSavingsPerMonthInteractor.NeedsAmounts.RICE_AMOUNT
+import interactor.GetMostSuitableCityForMoreSavingsPerMonthInteractor.NeedsAmounts.SALARY_DIFFERENCE
 import model.CityEntity
 
 class GetMostSuitableCityForMoreSavingsPerMonthInteractor(
@@ -10,40 +17,40 @@ class GetMostSuitableCityForMoreSavingsPerMonthInteractor(
         return dataSource
             .getAllCitiesData()
             .filter(::excludeNullSalariesAndNotHasAllPrimaryNeeds)
-            .getListOfCityPairs()
-            .sortedByDescending { it.second }[0].first
+            .sortedByDescending { getCitySavings(it) }[0]
     }
 
-
-    private fun List<CityEntity>.getListOfCityPairs(): List<Pair<CityEntity,Float>> {
-        val listOfCityPairs = mutableListOf<Pair<CityEntity,Float>>()
-        forEach { city ->
-            val salary = 2f * city.averageMonthlyNetSalaryAfterTax!!
-            val savings = salary - (foodCosts(city) + 250f)
-            val cityAndSavingsPair = Pair(city,savings)
-            listOfCityPairs.add(cityAndSavingsPair)
-        }
-        return listOfCityPairs
-    }
-
-    private fun foodCosts(city: CityEntity): Float {
+    private fun getCitySavings(city: CityEntity): Float {
         val foodPrices = city.foodPrices
-        val foodCosts = foodPrices.loafOfFreshWhiteBread500g!! * 30f
-        + foodPrices.localCheese1kg!! * 1f
-        + foodPrices.chickenFillets1kg!! * 10f
-        + foodPrices.riceWhite1kg!! * 2f + foodPrices.beefRound1kgOrEquivalentBackLegRedMeat!! * 4f
-        return foodCosts
+        val foodCosts = run { foodPrices.loafOfFreshWhiteBread500g!! * BREAD_AMOUNT
+            +foodPrices.localCheese1kg!! * CHEESE_AMOUNT
+            +foodPrices.chickenFillets1kg!! * CHICKEN_AMOUNT
+            +foodPrices.riceWhite1kg!! * RICE_AMOUNT + foodPrices.beefRound1kgOrEquivalentBackLegRedMeat!! * BEEF_AMOUNT
+        }
+        val salary = SALARY_DIFFERENCE * city.averageMonthlyNetSalaryAfterTax!!
+        return salary - (foodCosts + OTHER_NEEDS_LIMIT)
     }
 
     private fun excludeNullSalariesAndNotHasAllPrimaryNeeds(city: CityEntity): Boolean {
-        return city.averageMonthlyNetSalaryAfterTax != null
-                && city.foodPrices.loafOfFreshWhiteBread500g != null
-                && city.foodPrices.localCheese1kg != null
-                && city.foodPrices.chickenFillets1kg != null
-                && city.foodPrices.riceWhite1kg != null
-                && city.foodPrices.beefRound1kgOrEquivalentBackLegRedMeat != null
+        return city.let { it.averageMonthlyNetSalaryAfterTax != null
+                && it.foodPrices.loafOfFreshWhiteBread500g != null
+                && it.foodPrices.localCheese1kg != null
+                && it.foodPrices.chickenFillets1kg != null
+                && it.foodPrices.riceWhite1kg != null
+                && it.foodPrices.beefRound1kgOrEquivalentBackLegRedMeat != null
+                && it.realEstatesPrices.apartment3BedroomsInCityCentre != null
+                && it.realEstatesPrices.apartment3BedroomsOutsideOfCentre != null
+        }
     }
 
-
+    object NeedsAmounts {
+        const val CHICKEN_AMOUNT = 10f
+        const val BREAD_AMOUNT = 30F
+        const val RICE_AMOUNT = 2f
+        const val CHEESE_AMOUNT = 1f
+        const val BEEF_AMOUNT = 4f
+        const val OTHER_NEEDS_LIMIT = 250f
+        const val SALARY_DIFFERENCE = 2f
+    }
 
 }
\ No newline at end of file

From c625b5b18ba12ed2c6ea73ba06338d92193208a7 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Fri, 17 Feb 2023 15:21:18 +0200
Subject: [PATCH 115/125] enhance GetCheapestBananaPricesCitiesNamesInteractor

---
 ...eapestBananaPricesCitiesNamesInteractor.kt | 29 +++++--------------
 1 file changed, 7 insertions(+), 22 deletions(-)

diff --git a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
index b0cf8cc85..bc518b290 100644
--- a/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractor.kt
@@ -5,30 +5,15 @@ import model.CityEntity
 class  GetCheapestBananaPricesCitiesNamesInteractor(
     private val dataSource: CostOfLivingDataSource
 ) {
-
-    fun getCitiesVarArgs(): Array<CityEntity> {
-        return dataSource.getAllCitiesData().toTypedArray()
+    fun getCitiesVarArgs(): List<CityEntity> {
+        return dataSource.getAllCitiesData()
     }
+
     fun execute(vararg cityEntities: CityEntity): List<String> {
-        return if (cityEntities.isEmpty())
-            listOf("No Data is Entered !")
-        else cityEntities
-            .filter(::excludeNullBananaPrices)
-            .sortingWithBananaPrices()
+        return cityEntities
+            .filter { it.fruitAndVegetablesPrices.banana1kg != null }
+            .sortedBy { it.fruitAndVegetablesPrices.banana1kg }
             .map { it.cityName }
-    }
-
-    private fun excludeNullBananaPrices(city: CityEntity): Boolean {
-        return city.fruitAndVegetablesPrices.banana1kg != null
-    }
-
-    /**
-     * Sort the list with the banana prices between CityEntities.
-     * @return sorted List<CityEntity>
-     */
-    private fun List<CityEntity>.sortingWithBananaPrices(): List<CityEntity> {
-        return this.sortedBy {
-            it.fruitAndVegetablesPrices.banana1kg
-        }
+            .takeIf { it.isNotEmpty() } ?: listOf("No Valid Data is Entered !")
     }
 }

From 7200ce284840315643fb055dd071c8ab4d1678ce Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Fri, 17 Feb 2023 15:22:07 +0200
Subject: [PATCH 116/125] setup main

---
 src/main/kotlin/Main.kt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index a23d2b17b..8c6ec38c2 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -25,9 +25,10 @@ fun main() {
     println(getCityHasCheapestInternetConnectionInteractor.execute( 1 ))
     printSeparationLine()
 
+
     val getCheapestBananaPricesCitiesNamesInteractor=GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
     getCheapestBananaPricesCitiesNamesInteractor.apply {
-       println(execute(*getCitiesVarArgs()))
+        println(execute(*getCitiesVarArgs().toTypedArray()))
     }
     printSeparationLine()
 

From c0d33582b3377ef168120842edf901850c74c379 Mon Sep 17 00:00:00 2001
From: Mahmoud Elshahatt <mahmoudelshahatt1@gmail.com>
Date: Fri, 17 Feb 2023 15:23:46 +0200
Subject: [PATCH 117/125] refactor test cases

---
 ...CheapestBananaPricesCitiesNamesInteractorTest.kt | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
index ad4f3184c..c8c842dbc 100644
--- a/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestBananaPricesCitiesNamesInteractorTest.kt
@@ -27,7 +27,7 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest {
         val data = getCheapestBananaPricesCitiesNamesInteractor.getCitiesVarArgs()
         //When valid data is entered
         val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*data)
+            execute(*data.toTypedArray())
         }
         //Then
         assertTrue(
@@ -38,16 +38,16 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest {
     }
 
     @Test
-    fun should_ReturnEmptyList_When_EnterNullForAllBananaPrices() {
+    fun should_ReturnNotValidList_When_EnterNullForAllBananaPrices() {
         //Given
         fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
         val data = getCheapestBananaPricesCitiesNamesInteractor.getCitiesVarArgs()
         //When entering null for all banana prices
         val list = getCheapestBananaPricesCitiesNamesInteractor.run {
-            execute(*data)
+            execute(*data.toTypedArray())
         }
         //Then
-        assertTrue(list.isEmpty())
+        assertEquals(listOf("No Valid Data is Entered !"), list)
     }
 
     @Test
@@ -59,8 +59,7 @@ internal class GetCheapestBananaPricesCitiesNamesInteractorTest {
         val list = getCheapestBananaPricesCitiesNamesInteractor.execute(*array)
 
         //Then
-        assertEquals(listOf("No Data is Entered !"), list)
+        assertEquals(listOf("No Valid Data is Entered !"), list)
     }
 
-}
-
+}
\ No newline at end of file

From bd00829ee44bf044d72fe54215322ffde970f9ec Mon Sep 17 00:00:00 2001
From: febronia53 <febroniasameh5@gmail.com>
Date: Sat, 18 Feb 2023 04:53:19 +0200
Subject: [PATCH 118/125] Enhance logic of the class

---
 src/main/kotlin/Main.kt                       |  3 ++-
 ...ghestRentingBetweenApartmentsInteractor.kt |  8 ++++---
 ...tRentingBetweenApartmentsInteractorTest.kt | 22 ++++++++-----------
 3 files changed, 16 insertions(+), 17 deletions(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index a23d2b17b..95d143552 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -51,7 +51,8 @@ fun main() {
 
     val getCityHasHighestRentingBetweenApartmentsInteractor =
         GetCityHasHighestRentingBetweenApartmentsInteractor(dataSource)
-    println(getCityHasHighestRentingBetweenApartmentsInteractor.execute().cityName)
+    println("The City has highest renting between apartements inside city center and outside is: "
+            +getCityHasHighestRentingBetweenApartmentsInteractor.execute().cityName)
 
 }
 
diff --git a/src/main/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractor.kt b/src/main/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractor.kt
index 01d33f0b2..dddf6e538 100644
--- a/src/main/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractor.kt
+++ b/src/main/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractor.kt
@@ -10,7 +10,7 @@ class GetCityHasHighestRentingBetweenApartmentsInteractor(
             .getAllCitiesData()
             .filter(::excludeNullValuesAndLowQualityData)
             .sortingWithRentingPrices()
-            .take(1)[0]
+            .take(1).first()
     }
 
     private fun excludeNullValuesAndLowQualityData(city: CityEntity): Boolean {
@@ -23,9 +23,11 @@ class GetCityHasHighestRentingBetweenApartmentsInteractor(
 
     private fun List<CityEntity>.sortingWithRentingPrices(): List<CityEntity> {
         return this.sortedBy {
-            (it.realEstatesPrices.apartment3BedroomsInCityCentre?.plus(it.realEstatesPrices.apartmentOneBedroomInCityCentre!!))
+            (it.realEstatesPrices.apartment3BedroomsInCityCentre
+                ?.plus(it.realEstatesPrices.apartmentOneBedroomInCityCentre!!))
                 ?.div(
-                    it.realEstatesPrices.apartment3BedroomsOutsideOfCentre?.plus(it.realEstatesPrices.apartmentOneBedroomOutsideOfCentre!!)!!
+                    it.realEstatesPrices.apartment3BedroomsOutsideOfCentre
+                        ?.plus(it.realEstatesPrices.apartmentOneBedroomOutsideOfCentre!!)!!
                 )
         }
     }
diff --git a/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt b/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt
index 1d947b74f..e87c71ac3 100644
--- a/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt
@@ -10,7 +10,8 @@ import org.junit.jupiter.api.function.Executable
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
 internal class GetCityHasHighestRentingBetweenApartmentsInteractorTest {
     private lateinit var dataSource: HardCodedFakeDataSource
-    private lateinit var getCityHasHighestRentingBetweenApartmentsInteractor: GetCityHasHighestRentingBetweenApartmentsInteractor
+    private lateinit var getCityHasHighestRentingBetweenApartmentsInteractor
+                        : GetCityHasHighestRentingBetweenApartmentsInteractor
 
     @BeforeAll
     fun init(){
@@ -25,9 +26,8 @@ internal class GetCityHasHighestRentingBetweenApartmentsInteractorTest {
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.VALID)
         val expectedCity = dataSource.cairoHighQuality
         // when
-        val cityEntity = getCityHasHighestRentingBetweenApartmentsInteractor.run {
-            execute()
-        }
+        val cityEntity = getCityHasHighestRentingBetweenApartmentsInteractor.execute()
+
         // then
         assertEquals(expectedCity, cityEntity)
     }
@@ -38,9 +38,8 @@ internal class GetCityHasHighestRentingBetweenApartmentsInteractorTest {
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.MIXED)
         val expectedCity = dataSource.cairoHighQuality
         // when
-        val cityEntity = getCityHasHighestRentingBetweenApartmentsInteractor.run {
-            execute()
-        }
+        val cityEntity = getCityHasHighestRentingBetweenApartmentsInteractor.execute()
+
         // then
         assertEquals(expectedCity, cityEntity)
     }
@@ -51,9 +50,8 @@ internal class GetCityHasHighestRentingBetweenApartmentsInteractorTest {
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.EMPTY)
         // when
         val emptyCityEntity = Executable {
-            getCityHasHighestRentingBetweenApartmentsInteractor.run {
-                execute()
-            }
+            getCityHasHighestRentingBetweenApartmentsInteractor.execute()
+
         }
         // then
         assertThrows(Exception::class.java, emptyCityEntity)
@@ -65,9 +63,7 @@ internal class GetCityHasHighestRentingBetweenApartmentsInteractorTest {
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.NULLABLE)
         // when
         val emptyCityEntity = Executable {
-            getCityHasHighestRentingBetweenApartmentsInteractor.run {
-                execute()
-            }
+            getCityHasHighestRentingBetweenApartmentsInteractor.execute()
         }
         // then
         assertThrows(Exception::class.java, emptyCityEntity)

From 158140d0a6a3f941d93e5e9e25a3181d1f829af8 Mon Sep 17 00:00:00 2001
From: Nour Elden Alaa <nourelden515@gmail.com>
Date: Sat, 18 Feb 2023 13:48:05 +0200
Subject: [PATCH 119/125] refactor
 GetCheapestApartmentsCitiesNamesInteractor.kt refactoring the implementation
 and test classes

---
 src/main/kotlin/Main.kt                       | 16 +++--
 ...CheapestApartmentsCitiesNamesInteractor.kt | 68 +++++++------------
 ...pestApartmentsCitiesNamesInteractorTest.kt | 34 +++++++---
 3 files changed, 57 insertions(+), 61 deletions(-)

diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index a23d2b17b..05acbd355 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -16,22 +16,23 @@ fun main() {
     printSeparationLine()
 
     val getCheapestApartmentsCitiesNamesInteractor = GetCheapestApartmentsCitiesNamesInteractor(dataSource)
-    getCheapestApartmentsCitiesNamesInteractor.execute(10).forEach {
+    getCheapestApartmentsCitiesNamesInteractor.execute(10, 100).forEach {
         println("Number of years needed to buy a 100m apartment in ${it.first} city is : " + "%.2f".format(it.second))
     }
     printSeparationLine()
 
     val getCityHasCheapestInternetConnectionInteractor = GetCityHasCheapestInternetConnectionInteractor(dataSource)
-    println(getCityHasCheapestInternetConnectionInteractor.execute( 1 ))
+    println(getCityHasCheapestInternetConnectionInteractor.execute(1))
     printSeparationLine()
 
-    val getCheapestBananaPricesCitiesNamesInteractor=GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
+    val getCheapestBananaPricesCitiesNamesInteractor = GetCheapestBananaPricesCitiesNamesInteractor(dataSource)
     getCheapestBananaPricesCitiesNamesInteractor.apply {
-       println(execute(*getCitiesVarArgs()))
+        println(execute(*getCitiesVarArgs()))
     }
     printSeparationLine()
 
-    val getBestClothesPriceCitiesNameInteractor = GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor(dataSource)
+    val getBestClothesPriceCitiesNameInteractor =
+        GetTopFiveCitiesNamesForShoppingClothesFromFamousBrandsInteractor(dataSource)
     println(getBestClothesPriceCitiesNameInteractor.execute(limit = 5))
     printSeparationLine()
 
@@ -39,11 +40,12 @@ fun main() {
     println(getCityNameAndSalaryAverageInteractor.execute("Egypt"))
     printSeparationLine()
 
-    val getMostSuitableCityForMoreSavingsPerMonthInteractor = GetMostSuitableCityForMoreSavingsPerMonthInteractor(dataSource)
+    val getMostSuitableCityForMoreSavingsPerMonthInteractor =
+        GetMostSuitableCityForMoreSavingsPerMonthInteractor(dataSource)
     getMostSuitableCityForMoreSavingsPerMonthInteractor.apply {
         println(execute())
     }
-     printSeparationLine()
+    printSeparationLine()
 
     val getCityManagerExpectationInteractor = GetCityManagerExpectationInteractor(dataSource)
     println(getCityManagerExpectationInteractor.execute())
diff --git a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
index e06c435e1..38b5eb10f 100644
--- a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
@@ -6,54 +6,36 @@ class GetCheapestApartmentsCitiesNamesInteractor(
     private val dataSource: CostOfLivingDataSource
 ) {
 
-    fun execute(limit: Int): List<Pair<String, Float>> {
-
-        val data = dataSource.getAllCitiesData()
-            .filter(::excludeNullSalariesAndNullPricesAndLowQualityData)
-            .sortingWithBestPrice()
+    fun execute(limit: Int, meters: Int): List<Pair<String, Float>> {
+
+        return dataSource.getAllCitiesData()
+            .excludeNullSalariesNullPricesAndLowQualityData()
+            .sortedByDescending {
+                it.averageMonthlyNetSalaryAfterTax!! /
+                        it.realEstatesPrices.pricePerSquareMeterToBuyApartmentOutsideOfCentre!!
+            }
             .take(limit)
-            .getNumberOfYears()
-
-        return if (data.isEmpty()) {
-            listOf(Pair("Couldn't find Cities that meet your requirements :(", 0.0f))
-        } else {
-            data
-        }
+            .map { Pair(it.cityName, it.calculateNumberOfYears(meters)) }
+            .takeIf { it.isNotEmpty() && it.size == limit }
+            ?: listOf(
+                Pair("Couldn't find Cities that meet your requirements :(", 0.0f)
+            )
     }
 
-    private fun excludeNullSalariesAndNullPricesAndLowQualityData(city: CityEntity): Boolean {
-        return city.averageMonthlyNetSalaryAfterTax != null &&
-                city.dataQuality &&
-                city.realEstatesPrices.pricePerSquareMeterToBuyApartmentOutsideOfCentre != null
-    }
-
-    /**
-     * Sort the list with the ratio between monthly salary and squareMeter's price.
-     * @return sorted List<CityEntity>
-     */
-    private fun List<CityEntity>.sortingWithBestPrice(): List<CityEntity> {
-        return this.sortedByDescending {
-            (it.averageMonthlyNetSalaryAfterTax?.div(
-                it.realEstatesPrices.pricePerSquareMeterToBuyApartmentOutsideOfCentre!!
-            ))
+    private fun List<CityEntity>.excludeNullSalariesNullPricesAndLowQualityData(): List<CityEntity> {
+        return this.filter {
+            it.realEstatesPrices.pricePerSquareMeterToBuyApartmentOutsideOfCentre != null &&
+                    it.averageMonthlyNetSalaryAfterTax != null &&
+                    it.dataQuality
         }
     }
 
-    /**
-     * Calculate how many years needed to buy 100meter apartment outSide center of the city
-     * depending on monthly salary and squareMeter's price.
-     * @return new list of <Pair<String, Float>>
-     */
-    private fun List<CityEntity>.getNumberOfYears(): List<Pair<String, Float>> {
-        val newList = mutableListOf<Pair<String, Float>>()
-        var numberOfYears: Float
-        this.forEach {
-            numberOfYears =
-                (it.realEstatesPrices.pricePerSquareMeterToBuyApartmentOutsideOfCentre?.times(100))?.div(
-                    (it.averageMonthlyNetSalaryAfterTax!! * 12)
-                )!!
-            newList.add(Pair(it.cityName, numberOfYears))
-        }
-        return newList
+    /*
+    Calculate how many years needed to buy 100meter apartment outSide center of the city
+    depending on monthly salary and squareMeter's price.
+    */
+    private fun CityEntity.calculateNumberOfYears(meters: Int): Float {
+        return this.realEstatesPrices.pricePerSquareMeterToBuyApartmentOutsideOfCentre!! * meters /
+                (this.averageMonthlyNetSalaryAfterTax!! * 12)
     }
 }
\ No newline at end of file
diff --git a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
index 2869a1fcb..9a533a475 100644
--- a/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractorTest.kt
@@ -22,11 +22,11 @@ internal class GetCheapestApartmentsCitiesNamesInteractorTest {
 
     @Test
     fun should_ReturnCorrectList_When_EnterValidData() {
-        //Given
+        //Given -Valid Data
         fakeData.setDataType(FakeDataSource.DataType.VALID)
 
-        //When
-        val list = getCheapestApartmentsCitiesNamesInteractor.execute(10)
+        //When -limit is 10
+        val list = getCheapestApartmentsCitiesNamesInteractor.execute(10, 100)
 
         //Then -return 10 items of the list sorted ascending by years
         assertTrue(list.size == 10 && list == list.sortedBy { it.second })
@@ -34,25 +34,37 @@ internal class GetCheapestApartmentsCitiesNamesInteractorTest {
 
     @Test
     fun should_ReturnNoValidList_When_EnterNull() {
-        //Given
+        //Given -Null Data
         fakeData.setDataType(FakeDataSource.DataType.NULLABLE)
 
-        //When
-        val list = getCheapestApartmentsCitiesNamesInteractor.execute(10)
+        //When -limit is 10
+        val list = getCheapestApartmentsCitiesNamesInteractor.execute(10, 100)
 
-        //Then
+        //Then -return error statement
         assertEquals(listOf(Pair("Couldn't find Cities that meet your requirements :(", 0.0f)), list)
     }
 
     @Test
     fun should_ReturnNotValidList_When_EnterLowQualityData() {
-        //Given
+        //Given -Low Quality Data
         fakeData.setDataType(FakeDataSource.DataType.LOWQUALITY)
 
-        //When
-        val list = getCheapestApartmentsCitiesNamesInteractor.execute(10)
+        //When -limit is 10
+        val list = getCheapestApartmentsCitiesNamesInteractor.execute(10, 100)
 
-        //Then
+        //Then -return error statement
+        assertEquals(listOf(Pair("Couldn't find Cities that meet your requirements :(", 0.0f)), list)
+    }
+
+    @Test
+    fun should_ReturnNotValidList_When_EnterNotEnoughData() {
+        //Given -Valid Data
+        fakeData.setDataType(FakeDataSource.DataType.VALID)
+
+        //When -limit is more than the size of existing data
+        val list = getCheapestApartmentsCitiesNamesInteractor.execute(30, 100)
+
+        //Then -return error statement
         assertEquals(listOf(Pair("Couldn't find Cities that meet your requirements :(", 0.0f)), list)
     }
 

From 1785e5e0422501268ba48cc2a4a195c48dc8f47e Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Sat, 18 Feb 2023 16:09:27 +0200
Subject: [PATCH 120/125] update feature class execute function implementation

---
 .../GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt b/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
index b40a5924a..e0b7505a6 100644
--- a/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
+++ b/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
@@ -17,7 +17,7 @@ class GetMostSuitableCityForMoreSavingsPerMonthInteractor(
         return dataSource
             .getAllCitiesData()
             .filter(::excludeNullSalariesAndNotHasAllPrimaryNeeds)
-            .sortedByDescending { getCitySavings(it) }[0]
+            .maxByOrNull { getCitySavings(it) }!!
     }
 
     private fun getCitySavings(city: CityEntity): Float {

From ed8f838674e9bbe5e77c0bd4235847085f088683 Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Sat, 18 Feb 2023 20:23:46 +0200
Subject: [PATCH 121/125] update feature class functions implementation add
 scope functions in function getCitySavings and function
 excludeNullSalariesAndNotHasAllPrimaryNeeds

---
 ...bleCityForMoreSavingsPerMonthInteractor.kt | 28 ++++++++++---------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt b/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
index e0b7505a6..9ffe99d3b 100644
--- a/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
+++ b/src/main/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractor.kt
@@ -21,25 +21,27 @@ class GetMostSuitableCityForMoreSavingsPerMonthInteractor(
     }
 
     private fun getCitySavings(city: CityEntity): Float {
-        val foodPrices = city.foodPrices
-        val foodCosts = run { foodPrices.loafOfFreshWhiteBread500g!! * BREAD_AMOUNT
-            +foodPrices.localCheese1kg!! * CHEESE_AMOUNT
-            +foodPrices.chickenFillets1kg!! * CHICKEN_AMOUNT
-            +foodPrices.riceWhite1kg!! * RICE_AMOUNT + foodPrices.beefRound1kgOrEquivalentBackLegRedMeat!! * BEEF_AMOUNT
+        val foodCosts = city.foodPrices.run {
+            loafOfFreshWhiteBread500g!! * BREAD_AMOUNT
+            +localCheese1kg!! * CHEESE_AMOUNT
+            +chickenFillets1kg!! * CHICKEN_AMOUNT
+            +riceWhite1kg!! * RICE_AMOUNT
+            +beefRound1kgOrEquivalentBackLegRedMeat!! * BEEF_AMOUNT
         }
         val salary = SALARY_DIFFERENCE * city.averageMonthlyNetSalaryAfterTax!!
         return salary - (foodCosts + OTHER_NEEDS_LIMIT)
     }
 
     private fun excludeNullSalariesAndNotHasAllPrimaryNeeds(city: CityEntity): Boolean {
-        return city.let { it.averageMonthlyNetSalaryAfterTax != null
-                && it.foodPrices.loafOfFreshWhiteBread500g != null
-                && it.foodPrices.localCheese1kg != null
-                && it.foodPrices.chickenFillets1kg != null
-                && it.foodPrices.riceWhite1kg != null
-                && it.foodPrices.beefRound1kgOrEquivalentBackLegRedMeat != null
-                && it.realEstatesPrices.apartment3BedroomsInCityCentre != null
-                && it.realEstatesPrices.apartment3BedroomsOutsideOfCentre != null
+        return city.run {
+            averageMonthlyNetSalaryAfterTax != null
+                    && foodPrices.loafOfFreshWhiteBread500g != null
+                    && foodPrices.localCheese1kg != null
+                    && foodPrices.chickenFillets1kg != null
+                    && foodPrices.riceWhite1kg != null
+                    && foodPrices.beefRound1kgOrEquivalentBackLegRedMeat != null
+                    && realEstatesPrices.apartment3BedroomsInCityCentre != null
+                    && realEstatesPrices.apartment3BedroomsOutsideOfCentre != null
         }
     }
 

From 8558b1933ff413efdc1fac7a27982fdca9bd07e2 Mon Sep 17 00:00:00 2001
From: Nour Elden Alaa <nourelden515@gmail.com>
Date: Sat, 18 Feb 2023 21:01:51 +0200
Subject: [PATCH 122/125] add constants

---
 .../GetCheapestApartmentsCitiesNamesInteractor.kt           | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
index 38b5eb10f..0ff5b1353 100644
--- a/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
+++ b/src/main/kotlin/interactor/GetCheapestApartmentsCitiesNamesInteractor.kt
@@ -6,6 +6,10 @@ class GetCheapestApartmentsCitiesNamesInteractor(
     private val dataSource: CostOfLivingDataSource
 ) {
 
+    object Const {
+        const val MONTHS_OF_THE_YEAR = 12
+    }
+
     fun execute(limit: Int, meters: Int): List<Pair<String, Float>> {
 
         return dataSource.getAllCitiesData()
@@ -36,6 +40,6 @@ class GetCheapestApartmentsCitiesNamesInteractor(
     */
     private fun CityEntity.calculateNumberOfYears(meters: Int): Float {
         return this.realEstatesPrices.pricePerSquareMeterToBuyApartmentOutsideOfCentre!! * meters /
-                (this.averageMonthlyNetSalaryAfterTax!! * 12)
+                (this.averageMonthlyNetSalaryAfterTax!! * Const.MONTHS_OF_THE_YEAR)
     }
 }
\ No newline at end of file

From 173c0ce68097737a81c0f4eb489f92637f3037b8 Mon Sep 17 00:00:00 2001
From: shehab <sheshox12@gmail.com>
Date: Sat, 18 Feb 2023 22:55:54 +0200
Subject: [PATCH 123/125] update test class comments

---
 ...ityForMoreSavingsPerMonthInteractorTest.kt | 24 +++++++++----------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt b/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
index 96d5a78de..1c9096c07 100644
--- a/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetMostSuitableCityForMoreSavingsPerMonthInteractorTest.kt
@@ -22,47 +22,47 @@ internal class GetMostSuitableCityForMoreSavingsPerMonthInteractorTest {
 
     @Test
     fun should_ReturnCityEntity_When_EnterValidCityList() {
-        // given
+        // given a valid data list and expected city
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.VALID)
         val expectedCity = dataSource.parisHighQuality
-        // when
+        // when get most suitable city
         val cityEntity = getMostSuitableCity.execute()
-        // then
+        // then return correct expected city
         assertEquals(expectedCity,cityEntity)
     }
 
     @Test
     fun should_ReturnCityEntity_When_EnterMixedCityList() {
-        // given
+        // given a mixed data list and expected city
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.MIXED)
         val expectedCity = dataSource.parisHighQuality
-        // when
+        // when get most suitable city
         val cityEntity = getMostSuitableCity.execute()
-        // then
+        // then return correct expected city
         assertEquals(expectedCity,cityEntity)
     }
 
     @Test
     fun should_ReturnException_When_EnterEmptyCityList() {
-        // given
+        // given an empty list
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.EMPTY)
-        // when
+        // when get most suitable city
         val emptyCityEntity = Executable {
             getMostSuitableCity.execute()
         }
-        // then
+        // then return exception
         assertThrows(Exception::class.java,emptyCityEntity)
     }
 
     @Test
     fun should_ReturnException_When_EnterNullableCityList() {
-        // given
+        // given a nullable data list
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.NULLABLE)
-        // when
+        // when get most suitable city
         val emptyCityEntity = Executable {
             getMostSuitableCity.execute()
         }
-        // then
+        // then return exception
         assertThrows(Exception::class.java,emptyCityEntity)
     }
 

From 533e9ac963c40bf6348c6470f46689f507c2313a Mon Sep 17 00:00:00 2001
From: febronia53 <febroniasameh5@gmail.com>
Date: Mon, 20 Feb 2023 00:12:41 +0200
Subject: [PATCH 124/125]  enhance test class comments' in "get city has
 highest renting"

---
 ...tRentingBetweenApartmentsInteractorTest.kt | 28 +++++++++----------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt b/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt
index e87c71ac3..850aa3d7b 100644
--- a/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt
@@ -11,10 +11,10 @@ import org.junit.jupiter.api.function.Executable
 internal class GetCityHasHighestRentingBetweenApartmentsInteractorTest {
     private lateinit var dataSource: HardCodedFakeDataSource
     private lateinit var getCityHasHighestRentingBetweenApartmentsInteractor
-                        : GetCityHasHighestRentingBetweenApartmentsInteractor
+                          : GetCityHasHighestRentingBetweenApartmentsInteractor
 
     @BeforeAll
-    fun init(){
+    fun init() {
         dataSource = HardCodedFakeDataSource()
         getCityHasHighestRentingBetweenApartmentsInteractor =
             GetCityHasHighestRentingBetweenApartmentsInteractor(dataSource)
@@ -22,50 +22,50 @@ internal class GetCityHasHighestRentingBetweenApartmentsInteractorTest {
 
     @Test
     fun should_ReturnCityEntity_When_EnterValidCityList() {
-        // given
+        // given a valid data city list with high quality & expected city
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.VALID)
         val expectedCity = dataSource.cairoHighQuality
-        // when
+        // when data not equal null
         val cityEntity = getCityHasHighestRentingBetweenApartmentsInteractor.execute()
 
-        // then
+        // then return the city entity has highest appartement
         assertEquals(expectedCity, cityEntity)
     }
 
     @Test
     fun should_ReturnCityEntity_When_EnterMixedCityList() {
-        // given
+        // given a mixed data
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.MIXED)
         val expectedCity = dataSource.cairoHighQuality
-        // when
+        // when data might include null
         val cityEntity = getCityHasHighestRentingBetweenApartmentsInteractor.execute()
 
-        // then
+        // then return right expected city
         assertEquals(expectedCity, cityEntity)
     }
 
     @Test
     fun should_ReturnException_When_EnterEmptyCityList() {
-        // given
+        // given an empty list
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.EMPTY)
-        // when
+        // when get city has highest renting
         val emptyCityEntity = Executable {
             getCityHasHighestRentingBetweenApartmentsInteractor.execute()
 
         }
-        // then
+        // then return exception
         assertThrows(Exception::class.java, emptyCityEntity)
     }
 
     @Test
     fun should_ReturnException_When_EnterNullableCityList() {
-        // given
+        // given a nullable data
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.NULLABLE)
-        // when
+        // when get city has highest renting
         val emptyCityEntity = Executable {
             getCityHasHighestRentingBetweenApartmentsInteractor.execute()
         }
-        // then
+        // then return exception
         assertThrows(Exception::class.java, emptyCityEntity)
     }
 }
\ No newline at end of file

From 49a37500334ac55b0b939da11578311040dea152 Mon Sep 17 00:00:00 2001
From: Febronia Sameh <96552891+febronia53@users.noreply.github.com>
Date: Mon, 20 Feb 2023 00:16:37 +0200
Subject: [PATCH 125/125] Update
 GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt

---
 ...GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt b/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt
index 850aa3d7b..132f65d67 100644
--- a/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt
+++ b/src/test/kotlin/interactor/GetCityHasHighestRentingBetweenApartmentsInteractorTest.kt
@@ -34,7 +34,7 @@ internal class GetCityHasHighestRentingBetweenApartmentsInteractorTest {
 
     @Test
     fun should_ReturnCityEntity_When_EnterMixedCityList() {
-        // given a mixed data
+        // given a mixed data & expected city
         dataSource.setDatatype(HardCodedFakeDataSource.DataType.MIXED)
         val expectedCity = dataSource.cairoHighQuality
         // when data might include null
@@ -68,4 +68,4 @@ internal class GetCityHasHighestRentingBetweenApartmentsInteractorTest {
         // then return exception
         assertThrows(Exception::class.java, emptyCityEntity)
     }
-}
\ No newline at end of file
+}