class ToolkitTest

class ToolkitTest extends KernelTestBase {
  use ToolkitTestTrait;
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'image_test',
    'system',
  ];
  
  /**
   * Testing image.
   *
   * @var \Drupal\Core\Image\ImageInterface
   */
  protected $image;
  
  /**
   * The image effect plugin manager service.
   *
   * @var \Drupal\image\ImageEffectManager
   */
  protected $imageEffectPluginManager;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->image = $this->getImage();
    $this->imageTestReset();
  }
  
  /**
   * Tests that the toolkit manager only returns available toolkits.
   */
  public function testGetAvailableToolkits() {
    $manager = $this->container
      ->get('image.toolkit.manager');
    $toolkits = $manager->getAvailableToolkits();
    $this->assertArrayHasKey('test', $toolkits);
    $this->assertArrayHasKey('test:derived_toolkit', $toolkits);
    $this->assertArrayNotHasKey('broken', $toolkits);
    $this->assertToolkitOperationsCalled([]);
  }
  
  /**
   * Tests Image's methods.
   */
  public function testLoad() {
    $image = $this->getImage();
    $this->assertInstanceOf(ImageInterface::class, $image);
    $this->assertEquals('test', $image->getToolkitId());
    $this->assertToolkitOperationsCalled([
      'parseFile',
    ]);
  }
  
  /**
   * Tests the Image::save() function.
   */
  public function testSave() {
    $this->assertFalse($this->image
      ->save());
    $this->assertToolkitOperationsCalled([
      'save',
    ]);
  }
  
  /**
   * Tests the 'apply' method.
   */
  public function testApply() {
    $data = [
      'p1' => 1,
      'p2' => TRUE,
      'p3' => 'text',
    ];
    $this->assertTrue($this->image
      ->apply('my_operation', $data));
    // Check that apply was called and with the correct parameters.
    $this->assertToolkitOperationsCalled([
      'apply',
    ]);
    $calls = $this->imageTestGetAllCalls();
    $this->assertEquals('my_operation', $calls['apply'][0][0]);
    $this->assertEquals(1, $calls['apply'][0][1]['p1']);
    $this->assertTrue($calls['apply'][0][1]['p2']);
    $this->assertEquals('text', $calls['apply'][0][1]['p3']);
  }
  
  /**
   * Tests the 'apply' method without parameters.
   */
  public function testApplyNoParameters() {
    $this->assertTrue($this->image
      ->apply('my_operation'));
    // Check that apply was called and with the correct parameters.
    $this->assertToolkitOperationsCalled([
      'apply',
    ]);
    $calls = $this->imageTestGetAllCalls();
    $this->assertEquals('my_operation', $calls['apply'][0][0]);
    $this->assertSame([], $calls['apply'][0][1]);
  }
  
  /**
   * Tests image toolkit operations inheritance by derivative toolkits.
   */
  public function testDerivative() {
    $toolkit_manager = $this->container
      ->get('image.toolkit.manager');
    $operation_manager = $this->container
      ->get('image.toolkit.operation.manager');
    $toolkit = $toolkit_manager->createInstance('test:derived_toolkit');
    $this->assertInstanceOf(ImageToolkitInterface::class, $toolkit);
    // Load an overwritten and an inherited operation.
    $blur = $operation_manager->getToolkitOperation($toolkit, 'blur');
    $invert = $operation_manager->getToolkitOperation($toolkit, 'invert');
    // 'Blur' operation overwritten by derivative.
    $this->assertEquals('foo_derived', $blur->getPluginId());
    // "Invert" operation inherited from base plugin.
    $this->assertEquals('bar', $invert->getPluginId());
  }

}