Test to verify excluded package classes aren't rewritten in included …

…packages

tests/Integration/ExcludedPackagesTest.php

@@ -21,6 +21,13 @@ public function setUp(): void
     }
 
     /**
+     * Verifies that the explicitely excluded packages from the Mozart config
+     * are _not_ being moved to the provided dependency directory and the files
+     * will stay present in the vendor directory. At the same time, the other
+     * package is being moved to the dependency directory and after that the
+     * originating directory in the vendor directory is deleted (as the
+     * `delete_vendor_directories` parameter is set to `true`).
+     *
      * @test
      */
     #[Test]
@@ -39,13 +46,45 @@ public function it_excludes_moving_specified_packages(): void
 
         $result = $mozartCompose->run($inputInterfaceMock, $outputInterfaceMock);
         $this->assertEquals(0, $result);
+
         $this->assertDirectoryDoesNotExist($this->testsWorkingDir . '/vendor/pimple/pimple');
         $this->assertDirectoryExists($this->testsWorkingDir . '/src/dependencies/Pimple');
 
         $this->assertDirectoryExists($this->testsWorkingDir . '/vendor/psr/container');
         $this->assertDirectoryDoesNotExist($this->testsWorkingDir . '/src/dependencies/Psr');
     }
 
+    /**
+     * Verifies that the excluded package `psr/container` is _not_ having its
+     * classes replaced in the implementing `pimple/pimple` package when the
+     * former is explicitely excluded and the latter is added to the list of
+     * packages for Mozart to rewrite.
+     *
+     * @test
+     */
+    #[Test]
+    public function it_excludes_replacing_classes_from_specified_packages(): void
+    {
+        copy(__DIR__ . '/excluded-packages.json', $this->testsWorkingDir . '/composer.json');
+
+        chdir($this->testsWorkingDir);
+
+        exec('composer update');
+
+        $inputInterfaceMock = $this->createMock(InputInterface::class);
+        $outputInterfaceMock = $this->createMock(OutputInterface::class);
+
+        $mozartCompose = new Compose();
+
+        $result = $mozartCompose->run($inputInterfaceMock, $outputInterfaceMock);
+        $this->assertEquals(0, $result);
+
+        $testFile = file_get_contents($this->testsWorkingDir . '/src/dependencies/Pimple/Psr11/Container.php');
+        $this->assertStringContainsString('namespace Mozart\TestProject\Dependencies\Pimple\Psr11;', $testFile);
+        $this->assertStringContainsString('use Mozart\TestProject\Dependencies\Pimple\Container as PimpleContainer;', $testFile);
+        $this->assertStringContainsString('use Psr\Container\ContainerInterface;', $testFile);
+    }
+
     public function tearDown(): void
     {
         parent::tearDown();