Include Mutation testing

ts01soonr · Aug 5, 2024 · b42fe65 · b42fe65
1 parent 71e5486
commit b42fe65
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diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
@@ -58,6 +58,39 @@ jobs:
         only-summary: 'false'
         fail-on-error: true
 
+  Mutation-Testing:
+
+    env:
+      BUILD_CONFIG: 'Release'
+      SOLUTION: 'Solution/UnitTest.sln'
+
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      contents: write
+      actions: write
+      checks: write
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 6.x
+
+    - name: stryker-mutator .NET
+      uses: stryker-mutator/github-action@v0.0.1
+      with:
+        testProject: "Solution/TestPalindrome/" # required
+        breakAt: "75" # Optional
+
+    - name: Html-Report
+      uses: actions/upload-artifact@v3
+      with:
+        name: html-report
+        path: ${{github.workspace}}/Solution/StrykerOutput/**/**/*.html
+
   Release-Build:
 
     env:

diff --git a/Solution/Palindrome/Palindrome.cs b/Solution/Palindrome/Palindrome.cs
@@ -0,0 +1,20 @@
+namespace us.fatehi.palindrome
+{
+    public class Palindrome
+    {
+        public bool IsPalindrome(string word)
+        {
+            // Exit early for trivial cases, such as null,
+            // empty string, and a word with a single letter
+            if (word == null || word.Length < 2)
+            {
+                return true;
+            }
+
+            var firstChar = word[0];
+            var lastChar = word[^1];
+            var center = word[1..^1];
+            return (firstChar == lastChar) && IsPalindrome(center);
+        }
+    }
+}
diff --git a/Solution/Palindrome/Palindrome.csproj b/Solution/Palindrome/Palindrome.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/Solution/TestPalindrome/BetterPalindromeTest.cs b/Solution/TestPalindrome/BetterPalindromeTest.cs
@@ -0,0 +1,24 @@
+using NUnit.Framework;
+using us.fatehi.palindrome;
+
+namespace us.fatehi.palindrome.test
+{
+
+    [TestFixture]
+    public class BetterPalindromeTest
+    {
+        private readonly Palindrome _p = new Palindrome();
+
+        [Test]
+        public void BoundaryConditionHappy()
+        {
+            Assert.That(_p.IsPalindrome("oo"));
+        }
+
+        [Test]
+        public void BoundaryConditionNegative()
+        {
+            Assert.That(_p.IsPalindrome("ah"), Is.False);
+        }
+    }
+}
diff --git a/Solution/TestPalindrome/MorePalindromeTest.cs b/Solution/TestPalindrome/MorePalindromeTest.cs
@@ -0,0 +1,18 @@
+using NUnit.Framework;
+using us.fatehi.palindrome;
+
+namespace us.fatehi.palindrome.test
+{
+
+    [TestFixture]
+    public class MorePalindromeTest
+    {
+        private readonly Palindrome _p = new Palindrome();
+
+        [Test]
+        public void AlmostPalindrome()
+        {
+            Assert.That(_p.IsPalindrome("polyp"), Is.False);
+        }
+    }
+}
diff --git a/Solution/TestPalindrome/PalindromeTest.cs b/Solution/TestPalindrome/PalindromeTest.cs
@@ -0,0 +1,48 @@
+using NUnit.Framework;
+using us.fatehi.palindrome;
+
+namespace us.fatehi.palindrome.test
+{
+
+    [TestFixture]
+    public class PalindromeTest
+    {
+        private readonly Palindrome _p = new Palindrome();
+
+        [Test]
+        public void EdgeCaseNull()
+        {
+            Assert.That(_p.IsPalindrome(null));
+        }
+
+        [Test]
+        public void EdgeCaseEmptyString()
+        {
+            Assert.That(_p.IsPalindrome(""));
+        }
+
+        [Test]
+        public void HappyPathSingleLetter()
+        {
+            Assert.That(_p.IsPalindrome("a"));
+        }
+
+        [Test]
+        public void HappyPathEvenLetters()
+        {
+            Assert.That(_p.IsPalindrome("noon"));
+        }
+
+        [Test]
+        public void HappyPathOddLetters()
+        {
+            Assert.That(_p.IsPalindrome("racecar"));
+        }
+
+        [Test]
+        public void NegativeCase()
+        {
+            Assert.That(_p.IsPalindrome("burning"), Is.False);
+        }
+    }
+}
diff --git a/Solution/TestPalindrome/TestPalindrome.csproj b/Solution/TestPalindrome/TestPalindrome.csproj
@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="coverlet.collector" Version="6.0.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
+    <PackageReference Include="NUnit" Version="4.1.0" />
+    <PackageReference Include="NUnit.Analyzers" Version="4.2.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Palindrome\Palindrome.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="NUnit.Framework" />
+  </ItemGroup>
+
+</Project>
diff --git a/Solution/UnitTest.sln b/Solution/UnitTest.sln
@@ -13,6 +13,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SocketDemo", "SocketDemo\So
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EntityFrameworkCore.MySQL", "EntityFrameworkCore.MySQL\EntityFrameworkCore.MySQL.csproj", "{2897BFC4-CEE8-4BA4-94A9-023470652462}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Palindrome", "Palindrome\Palindrome.csproj", "{F7AAC371-BACF-4DE6-994B-49DBFFDA0915}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TestPalindrome", "TestPalindrome\TestPalindrome.csproj", "{00BD75DE-F945-417D-8B43-6FE16A0F0BE5}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -39,6 +43,14 @@ Global
 		{2897BFC4-CEE8-4BA4-94A9-023470652462}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{2897BFC4-CEE8-4BA4-94A9-023470652462}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{2897BFC4-CEE8-4BA4-94A9-023470652462}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F7AAC371-BACF-4DE6-994B-49DBFFDA0915}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F7AAC371-BACF-4DE6-994B-49DBFFDA0915}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F7AAC371-BACF-4DE6-994B-49DBFFDA0915}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F7AAC371-BACF-4DE6-994B-49DBFFDA0915}.Release|Any CPU.Build.0 = Release|Any CPU
+		{00BD75DE-F945-417D-8B43-6FE16A0F0BE5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{00BD75DE-F945-417D-8B43-6FE16A0F0BE5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{00BD75DE-F945-417D-8B43-6FE16A0F0BE5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{00BD75DE-F945-417D-8B43-6FE16A0F0BE5}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE