AspectSwitcherTest.php in Image Effects 8

Namespace

Drupal\Tests\image_effects\Functional\Effect

File

tests/src/Functional/Effect/AspectSwitcherTest.php

<?php

namespace Drupal\Tests\image_effects\Functional\Effect;

use Drupal\Core\Config\ConfigValueException;
use Drupal\Tests\image_effects\Functional\ImageEffectsTestBase;
use Drupal\image\Entity\ImageStyle;

/**
 * AspectSwitcher effect test.
 *
 * @group Image Effects
 */
class AspectSwitcherTest extends ImageEffectsTestBase {

  /**
   * Effects.
   *
   * Define 2 distinguishable effects that will be used to assert that the
   * correct image style (and therefore image effects) is being applied to
   * the image.
   *
   * @var array
   */
  protected $effects = [
    'landscape' => [
      'id' => 'image_resize',
      'data' => [
        'width' => 5,
        'height' => 5,
      ],
    ],
    'portrait' => [
      'id' => 'image_resize',
      'data' => [
        'width' => 10,
        'height' => 10,
      ],
    ],
  ];

  /**
   * {@inheritdoc}
   */
  public function setUp() {
    parent::setUp();

    // Create 2 test image styles, one for landscape and one for portrait and
    // add the specific effect to each.
    foreach ([
      'landscape',
      'portrait',
    ] as $orientation) {
      $style_name = $orientation . '_image_style_test';
      $style_label = ucfirst($orientation) . ' Image Style Test';
      $style = ImageStyle::create([
        'name' => $style_name,
        'label' => $style_label,
      ]);
      $style
        ->addImageEffect($this->effects[$orientation]);
      $this
        ->assertTrue($style
        ->save());
    }
  }

  /**
   * AspectSwitcher effect test.
   *
   * @param string $toolkit_id
   *   The id of the toolkit to set up.
   * @param string $toolkit_config
   *   The config object of the toolkit to set up.
   * @param array $toolkit_settings
   *   The settings of the toolkit to set up.
   *
   * @dataProvider providerToolkits
   */
  public function testAspectSwitcherEffect($toolkit_id, $toolkit_config, array $toolkit_settings) {
    $this
      ->changeToolkit($toolkit_id, $toolkit_config, $toolkit_settings);
    $image_factory = $this->container
      ->get('image.factory');
    $test_landscape_file = drupal_get_path('module', 'simpletest') . '/files/image-test.png';
    $original_landscape_uri = file_unmanaged_copy($test_landscape_file, 'public://', FILE_EXISTS_RENAME);
    $img_portrait = imagerotate(imagecreatefrompng($original_landscape_uri), 90, 0);
    $generated_uri = \Drupal::service('file_system')
      ->realpath('public://image-test-portrait.png');
    imagepng($img_portrait, $generated_uri);
    $test_portrait_file = $generated_uri;
    $original_portrait_uri = file_unmanaged_copy($test_portrait_file, 'public://', FILE_EXISTS_RENAME);

    // Add aspect switcher effect.
    $effect = [
      'id' => 'image_effects_aspect_switcher',
      'data' => [
        'landscape_image_style' => 'L (landscape_image_style_test)',
        'portrait_image_style' => 'L (portrait_image_style_test)',
        'ratio_adjustment' => 0.99,
      ],
    ];
    $uuid = $this
      ->addEffectToTestStyle($effect);

    // Load Image Style.
    $image_style = ImageStyle::load($this->testImageStyleName);

    // Check that effect's configuration is as expected.
    $aspect_switcher_effect_configuration = $image_style
      ->getEffect($uuid)
      ->getConfiguration()['data'];
    $this
      ->assertEquals('landscape_image_style_test', $aspect_switcher_effect_configuration['landscape_image_style']);
    $this
      ->assertEquals('portrait_image_style_test', $aspect_switcher_effect_configuration['portrait_image_style']);
    $this
      ->assertEquals(0.99, $aspect_switcher_effect_configuration['ratio_adjustment']);

    // Check that dependent image style have been added to configuration
    // dependencies.
    $expected_config_dependencies = [
      'image.style.landscape_image_style_test',
      'image.style.portrait_image_style_test',
    ];
    $this
      ->assertEquals($expected_config_dependencies, $image_style
      ->getDependencies()['config']);

    // Check that landscape image style is applied when source image is
    // landscape.
    // Check that ::transformDimensions returns expected dimensions.
    $original_landscape_image = $image_factory
      ->get($original_landscape_uri);
    $derivative_landscape_url = file_url_transform_relative($this->testImageStyle
      ->buildUrl($original_landscape_uri));
    $variables = [
      '#theme' => 'image_style',
      '#style_name' => $this->testImageStyleName,
      '#uri' => $original_landscape_uri,
      '#width' => $original_landscape_image
        ->getWidth(),
      '#height' => $original_landscape_image
        ->getHeight(),
    ];
    $this
      ->assertEquals('<img src="' . $derivative_landscape_url . '" width="' . $this->effects['landscape']['data']['width'] . '" height="' . $this->effects['landscape']['data']['height'] . '" alt="" class="image-style-image-effects-test" />', $this
      ->getImageTag($variables));

    // Check that ::applyEffect returns expected dimensions.
    $dest_uri = $image_style
      ->buildUri($original_landscape_uri);
    $this
      ->assertTrue($image_style
      ->createDerivative($original_landscape_uri, $dest_uri));
    $image = $image_factory
      ->get($dest_uri);
    $this
      ->assertEquals($this->effects['landscape']['data']['width'], $image
      ->getWidth());
    $this
      ->assertEquals($this->effects['landscape']['data']['height'], $image
      ->getHeight());

    // Check that portrait image style is applied when source image is
    // portrait.
    // Check that ::transformDimensions returns expected dimensions.
    $original_portrait_image = $image_factory
      ->get($original_portrait_uri);
    $derivative_portrait_url = file_url_transform_relative($this->testImageStyle
      ->buildUrl($original_portrait_uri));
    $variables = [
      '#theme' => 'image_style',
      '#style_name' => $this->testImageStyleName,
      '#uri' => $original_portrait_uri,
      '#width' => $original_portrait_image
        ->getWidth(),
      '#height' => $original_portrait_image
        ->getHeight(),
    ];
    $this
      ->assertEquals('<img src="' . $derivative_portrait_url . '" width="' . $this->effects['portrait']['data']['width'] . '" height="' . $this->effects['portrait']['data']['height'] . '" alt="" class="image-style-image-effects-test" />', $this
      ->getImageTag($variables));

    // Check that ::applyEffect returns expected dimensions.
    $dest_uri = $image_style
      ->buildUri($original_portrait_uri);
    $image_style
      ->createDerivative($original_portrait_uri, $dest_uri);
    $image = $image_factory
      ->get($dest_uri);
    $this
      ->assertEquals($this->effects['portrait']['data']['width'], $image
      ->getWidth());
    $this
      ->assertEquals($this->effects['portrait']['data']['height'], $image
      ->getHeight());

    // Check that flushing a dependent style, the parent one gets flushed too,
    // and the invalidation of the parent image style cache tag is changed.
    $pre_flush_invalidations_parent = $this
      ->getImageStyleCacheTagInvalidations($this->testImageStyleName);
    $pre_flush_invalidations_child = $this
      ->getImageStyleCacheTagInvalidations('portrait_image_style_test');
    $this
      ->assertNotEquals(0, count(file_scan_directory('public://styles/' . $this->testImageStyleName, '/.*/')));
    $portrait_image_style = ImageStyle::load('portrait_image_style_test');
    $portrait_image_style
      ->flush();
    $this
      ->assertEquals(0, count(file_scan_directory('public://styles/' . $this->testImageStyleName, '/.*/')));
    $this
      ->assertNotEquals($this
      ->getImageStyleCacheTagInvalidations($this->testImageStyleName), $pre_flush_invalidations_parent);
    $this
      ->assertNotEquals($this
      ->getImageStyleCacheTagInvalidations('portrait_image_style_test'), $pre_flush_invalidations_child);

    // Test an aspect switcher effect with no portrait sub-style specified.
    $this
      ->removeEffectFromTestStyle($uuid);

    // Add aspect switcher effect.
    $effect = [
      'id' => 'image_effects_aspect_switcher',
      'data' => [
        'landscape_image_style' => 'L (landscape_image_style_test)',
        'ratio_adjustment' => 1,
      ],
    ];
    $uuid = $this
      ->addEffectToTestStyle($effect);

    // Load Image Style.
    $image_style = ImageStyle::load($this->testImageStyleName);

    // Check that dependent image style have been added to configuration
    // dependencies.
    $expected_config_dependencies = [
      'image.style.landscape_image_style_test',
    ];
    $this
      ->assertEquals($expected_config_dependencies, $image_style
      ->getDependencies()['config']);

    // Check that no changes are made when source image is portrait.
    // Check that ::transformDimensions returns expected dimensions.
    $original_portrait_image = $image_factory
      ->get($original_portrait_uri);
    $derivative_portrait_url = file_url_transform_relative($this->testImageStyle
      ->buildUrl($original_portrait_uri));
    $variables = [
      '#theme' => 'image_style',
      '#style_name' => $this->testImageStyleName,
      '#uri' => $original_portrait_uri,
      '#width' => $original_portrait_image
        ->getWidth(),
      '#height' => $original_portrait_image
        ->getHeight(),
    ];
    $this
      ->assertEquals('<img src="' . $derivative_portrait_url . '" width="20" height="40" alt="" class="image-style-image-effects-test" />', $this
      ->getImageTag($variables));

    // Check that ::applyEffect returns expected dimensions.
    $dest_uri = $image_style
      ->buildUri($original_portrait_uri);
    $image_style
      ->createDerivative($original_portrait_uri, $dest_uri);
    $image = $image_factory
      ->get($dest_uri);
    $this
      ->assertEquals(20, $image
      ->getWidth());
    $this
      ->assertEquals(40, $image
      ->getHeight());
  }

  /**
   * Image style save should fail if AspectSwitcher effect has circular ref.
   */
  public function testAspectSwitcherFailureOnLandscapeCircularReference() {
    $effect = [
      'id' => 'image_effects_aspect_switcher',
      'data' => [
        'landscape_image_style' => $this->testImageStyleName,
        'portrait_image_style' => 'portrait_image_style_test',
        'ratio_adjustment' => 1,
      ],
    ];
    $this->testImageStyle
      ->addImageEffect($effect);
    $this
      ->setExpectedException(ConfigValueException::class, "You can not select the Image Effects Test image style itself for the landscape style");
    $this->testImageStyle
      ->save();
  }

  /**
   * Image style save should fail if AspectSwitcher effect has circular ref.
   */
  public function testAspectSwitcherFailureOnPortraitCircularReference() {
    $effect = [
      'id' => 'image_effects_aspect_switcher',
      'data' => [
        'landscape_image_style' => 'landscape_image_style_test',
        'portrait_image_style' => $this->testImageStyleName,
        'ratio_adjustment' => 1,
      ],
    ];
    $this->testImageStyle
      ->addImageEffect($effect);
    $this
      ->setExpectedException(ConfigValueException::class, "You can not select the Image Effects Test image style itself for the portrait style");
    $this->testImageStyle
      ->save();
  }

}

Classes

Name	Description
AspectSwitcherTest	AspectSwitcher effect test.