Improve testing (#92)

* Update to PHPUnit 8

* Add CI jobs for PHP 7.4

.travis.yml

@@ -18,6 +18,8 @@ env:
     - PHP_IMG="php-7.2-mongoext-1.5.3-20200327" MONGO_IMG="percona/percona-server-mongodb:4.0"
     - PHP_IMG="php-7.3-mongoext-1.5.3-20200327" MONGO_IMG="mongo:4.0"
     - PHP_IMG="php-7.3-mongoext-1.5.3-20200327" MONGO_IMG="percona/percona-server-mongodb:4.0"
+    - PHP_IMG="php-7.4-mongoext-1.6.0-20200327" MONGO_IMG="mongo:4.0"
+    - PHP_IMG="php-7.4-mongoext-1.6.0-20200327" MONGO_IMG="percona/percona-server-mongodb:4.0"
 
 before_install:
   - rm docker-compose.yml

composer.json

@@ -25,10 +25,10 @@
         "symfony/framework-bundle": "^3.4 || ^4.3"
     },
     "require-dev": {
-        "matthiasnoback/symfony-dependency-injection-test": "^3",
+        "matthiasnoback/symfony-dependency-injection-test": "^4",
         "symfony/web-profiler-bundle": "^3.4 || ^4.3",
         "symfony/console": "^3.4 || ^4.3",
-        "phpunit/phpunit": "^7.0",
+        "phpunit/phpunit": "^8.5.2",
         "symfony/phpunit-bridge": "^4.2",
         "facile-it/facile-coding-standard": "^0.3.1",
         "phpstan/phpstan": "^0.12"

tests/Functional/Command/AbstractCommandTest.php

@@ -24,7 +24,7 @@ public function test_AbstractCommand_execution(array $arguments)
         $commandTester = new CommandTester($command);
         $commandTester->execute(array_merge(['command' => $command->getName()], $arguments));
 
-        self::assertContains('Executed', $commandTester->getDisplay());
+        self::assertStringContainsString('Executed', $commandTester->getDisplay());
     }
 
     public function test_AbstractCommand_connection_exception()

tests/Functional/Command/DropCollectionCommandTest.php

@@ -27,7 +27,7 @@ public function test_command()
         $commandTester = new CommandTester($command);
         $commandTester->execute(['command' => $command->getName(), 'collection' => 'testFunctionalCollection']);
 
-        self::assertContains('Collection dropped', $commandTester->getDisplay());
+        self::assertStringContainsString('Collection dropped', $commandTester->getDisplay());
     }
 
     private function addCommandToApplication()

tests/Functional/Command/DropDatabaseCommandTest.php

@@ -26,7 +26,7 @@ public function test_command()
         $commandTester = new CommandTester($command);
         $commandTester->execute(['command' => $command->getName()]);
 
-        self::assertContains('Database dropped', $commandTester->getDisplay());
+        self::assertStringContainsString('Database dropped', $commandTester->getDisplay());
     }
 
     private function addCommandToApplication()

tests/Functional/Command/LoadFixturesCommandTest.php

@@ -52,7 +52,7 @@ public function test_command()
         self::assertEquals('fixture', $fixtures[0]['type']);
         self::assertEquals('test', $fixtures[0]['data']);
 
-        self::assertContains('Done, loaded 4 fixtures files', $commandTester->getDisplay());
+        self::assertStringContainsString('Done, loaded 4 fixtures files', $commandTester->getDisplay());
     }
 
     public function test_command_not_fixtures_found()

tests/Unit/Fixtures/FixtureSorterTest.php

@@ -29,11 +29,11 @@ static function (MongoFixtureInterface $fixture): string {
             )
         );
 
-        $this->assertContains('a', $collectionsSorted);
-        $this->assertContains('b', $collectionsSorted);
-        $this->assertContains('c', $collectionsSorted);
-        $this->assertContains('d', $collectionsSorted);
-        $this->assertContains('e', $collectionsSorted);
+        $this->assertStringContainsString('a', $collectionsSorted);
+        $this->assertStringContainsString('b', $collectionsSorted);
+        $this->assertStringContainsString('c', $collectionsSorted);
+        $this->assertStringContainsString('d', $collectionsSorted);
+        $this->assertStringContainsString('e', $collectionsSorted);
 
         $this->assertIsAfter($collectionsSorted, 'a', ['b', 'c', 'd', 'e']);
         $this->assertIsAfter($collectionsSorted, 'b', ['c', 'e']);