class BubbleableMetadataTest in Drupal 8

Same name and namespace in other branches

9 core/tests/Drupal/Tests/Core/Render/BubbleableMetadataTest.php \Drupal\Tests\Core\Render\BubbleableMetadataTest

@coversDefaultClass \Drupal\Core\Render\BubbleableMetadata @group Render

Hierarchy

class \Drupal\Tests\UnitTestCase extends \PHPUnit\Framework\TestCase uses PhpunitCompatibilityTrait
- class \Drupal\Tests\Core\Render\BubbleableMetadataTest

Expanded class hierarchy of BubbleableMetadataTest

File

core/tests/Drupal/Tests/Core/Render/BubbleableMetadataTest.php, line 15

Namespace

Drupal\Tests\Core\Render

View source

class BubbleableMetadataTest extends UnitTestCase {

  /**
   * @covers ::merge
   * @dataProvider providerTestMerge
   *
   * This only tests at a high level, because it reuses existing logic. Detailed
   * tests exist for the existing logic:
   *
   * @see \Drupal\Tests\Core\Cache\CacheTest::testMergeTags()
   * @see \Drupal\Tests\Core\Cache\CacheTest::testMergeMaxAges()
   * @see \Drupal\Tests\Core\Cache\CacheContextsTest
   * @see \Drupal\Tests\Core\Render\RendererPlaceholdersTest
   * @see testMergeAttachmentsLibraryMerging()
   * @see testMergeAttachmentsFeedMerging()
   * @see testMergeAttachmentsHtmlHeadMerging()
   * @see testMergeAttachmentsHtmlHeadLinkMerging()
   * @see testMergeAttachmentsHttpHeaderMerging()
   */
  public function testMerge(BubbleableMetadata $a, CacheableMetadata $b, BubbleableMetadata $expected) {

    // Verify that if the second operand is a CacheableMetadata object, not a
    // BubbleableMetadata object, that BubbleableMetadata::merge() doesn't
    // attempt to merge assets.
    if (!$b instanceof BubbleableMetadata) {
      $renderer = $this
        ->getMockBuilder('Drupal\\Core\\Render\\Renderer')
        ->disableOriginalConstructor()
        ->setMethods([
        'mergeAttachments',
      ])
        ->getMock();
      $renderer
        ->expects($this
        ->never())
        ->method('mergeAttachments');
    }
    else {
      $renderer = $this
        ->getMockBuilder('Drupal\\Core\\Render\\Renderer')
        ->disableOriginalConstructor()
        ->setMethods(NULL)
        ->getMock();
    }
    $cache_contexts_manager = $this
      ->getMockBuilder('Drupal\\Core\\Cache\\Context\\CacheContextsManager')
      ->disableOriginalConstructor()
      ->getMock();
    $cache_contexts_manager
      ->method('assertValidTokens')
      ->willReturn(TRUE);
    $container = new ContainerBuilder();
    $container
      ->set('cache_contexts_manager', $cache_contexts_manager);
    $container
      ->set('renderer', $renderer);
    \Drupal::setContainer($container);
    $this
      ->assertEquals($expected, $a
      ->merge($b));
  }

  /**
   * Provides test data for testMerge().
   *
   * @return array
   */
  public function providerTestMerge() {
    return [
      // Second operand is a BubbleableMetadata object.
      // All empty.
      [
        new BubbleableMetadata(),
        new BubbleableMetadata(),
        new BubbleableMetadata(),
      ],
      // Cache contexts.
      [
        (new BubbleableMetadata())
          ->setCacheContexts([
          'foo',
        ]),
        (new BubbleableMetadata())
          ->setCacheContexts([
          'bar',
        ]),
        (new BubbleableMetadata())
          ->setCacheContexts([
          'bar',
          'foo',
        ]),
      ],
      // Cache tags.
      [
        (new BubbleableMetadata())
          ->setCacheTags([
          'foo',
        ]),
        (new BubbleableMetadata())
          ->setCacheTags([
          'bar',
        ]),
        (new BubbleableMetadata())
          ->setCacheTags([
          'bar',
          'foo',
        ]),
      ],
      // Cache max-ages.
      [
        (new BubbleableMetadata())
          ->setCacheMaxAge(60),
        (new BubbleableMetadata())
          ->setCacheMaxAge(Cache::PERMANENT),
        (new BubbleableMetadata())
          ->setCacheMaxAge(60),
      ],
      // Assets.
      [
        (new BubbleableMetadata())
          ->setAttachments([
          'library' => [
            'core/foo',
          ],
        ]),
        (new BubbleableMetadata())
          ->setAttachments([
          'library' => [
            'core/bar',
          ],
        ]),
        (new BubbleableMetadata())
          ->setAttachments([
          'library' => [
            'core/foo',
            'core/bar',
          ],
        ]),
      ],
      // Placeholders.
      [
        (new BubbleableMetadata())
          ->setAttachments([
          'placeholders' => [
            '<my-placeholder>' => [
              'callback',
              [
                'A',
              ],
            ],
          ],
        ]),
        (new BubbleableMetadata())
          ->setAttachments([
          'placeholders' => [
            '<my-placeholder>' => [
              'callback',
              [
                'A',
              ],
            ],
          ],
        ]),
        (new BubbleableMetadata())
          ->setAttachments([
          'placeholders' => [
            '<my-placeholder>' => [
              'callback',
              [
                'A',
              ],
            ],
          ],
        ]),
      ],
      // Second operand is a CacheableMetadata object.
      // All empty.
      [
        new BubbleableMetadata(),
        new CacheableMetadata(),
        new BubbleableMetadata(),
      ],
      // Cache contexts.
      [
        (new BubbleableMetadata())
          ->setCacheContexts([
          'foo',
        ]),
        (new CacheableMetadata())
          ->setCacheContexts([
          'bar',
        ]),
        (new BubbleableMetadata())
          ->setCacheContexts([
          'bar',
          'foo',
        ]),
      ],
      // Cache tags.
      [
        (new BubbleableMetadata())
          ->setCacheTags([
          'foo',
        ]),
        (new CacheableMetadata())
          ->setCacheTags([
          'bar',
        ]),
        (new BubbleableMetadata())
          ->setCacheTags([
          'bar',
          'foo',
        ]),
      ],
      // Cache max-ages.
      [
        (new BubbleableMetadata())
          ->setCacheMaxAge(60),
        (new CacheableMetadata())
          ->setCacheMaxAge(Cache::PERMANENT),
        (new BubbleableMetadata())
          ->setCacheMaxAge(60),
      ],
    ];
  }

  /**
   * @covers ::addAttachments
   * @covers ::setAttachments
   * @dataProvider providerTestAddAttachments
   *
   * This only tests at a high level, because it reuses existing logic. Detailed
   * tests exist for the existing logic:
   *
   * @see testMergeAttachmentsLibraryMerging()
   * @see testMergeAttachmentsFeedMerging()
   * @see testMergeAttachmentsHtmlHeadMerging()
   * @see testMergeAttachmentsHtmlHeadLinkMerging()
   * @see testMergeAttachmentsHttpHeaderMerging()
   */
  public function testAddAttachments(BubbleableMetadata $initial, $attachments, BubbleableMetadata $expected) {
    $test = $initial;
    $test
      ->addAttachments($attachments);
    $this
      ->assertEquals($expected, $test);
  }

  /**
   * Provides test data for testAddAttachments().
   */
  public function providerTestAddAttachments() {
    return [
      [
        new BubbleableMetadata(),
        [],
        new BubbleableMetadata(),
      ],
      [
        new BubbleableMetadata(),
        [
          'library' => [
            'core/foo',
          ],
        ],
        (new BubbleableMetadata())
          ->setAttachments([
          'library' => [
            'core/foo',
          ],
        ]),
      ],
      [
        (new BubbleableMetadata())
          ->setAttachments([
          'library' => [
            'core/foo',
          ],
        ]),
        [
          'library' => [
            'core/bar',
          ],
        ],
        (new BubbleableMetadata())
          ->setAttachments([
          'library' => [
            'core/foo',
            'core/bar',
          ],
        ]),
      ],
    ];
  }

  /**
   * @covers ::applyTo
   * @dataProvider providerTestApplyTo
   */
  public function testApplyTo(BubbleableMetadata $metadata, array $render_array, array $expected) {
    $this
      ->assertNull($metadata
      ->applyTo($render_array));
    $this
      ->assertEquals($expected, $render_array);
  }

  /**
   * Provides test data for testApplyTo().
   *
   * @return array
   */
  public function providerTestApplyTo() {
    $data = [];
    $empty_metadata = new BubbleableMetadata();
    $nonempty_metadata = new BubbleableMetadata();
    $nonempty_metadata
      ->setCacheContexts([
      'qux',
    ])
      ->setCacheTags([
      'foo:bar',
    ])
      ->setAttachments([
      'settings' => [
        'foo' => 'bar',
      ],
    ]);
    $empty_render_array = [];
    $nonempty_render_array = [
      '#cache' => [
        'contexts' => [
          'qux',
        ],
        'tags' => [
          'llamas:are:awesome:but:kittens:too',
        ],
        'max-age' => Cache::PERMANENT,
      ],
      '#attached' => [
        'library' => [
          'core/jquery',
        ],
      ],
    ];
    $expected_when_empty_metadata = [
      '#cache' => [
        'contexts' => [],
        'tags' => [],
        'max-age' => Cache::PERMANENT,
      ],
      '#attached' => [],
    ];
    $data[] = [
      $empty_metadata,
      $empty_render_array,
      $expected_when_empty_metadata,
    ];
    $data[] = [
      $empty_metadata,
      $nonempty_render_array,
      $expected_when_empty_metadata,
    ];
    $expected_when_nonempty_metadata = [
      '#cache' => [
        'contexts' => [
          'qux',
        ],
        'tags' => [
          'foo:bar',
        ],
        'max-age' => Cache::PERMANENT,
      ],
      '#attached' => [
        'settings' => [
          'foo' => 'bar',
        ],
      ],
    ];
    $data[] = [
      $nonempty_metadata,
      $empty_render_array,
      $expected_when_nonempty_metadata,
    ];
    $data[] = [
      $nonempty_metadata,
      $nonempty_render_array,
      $expected_when_nonempty_metadata,
    ];
    return $data;
  }

  /**
   * @covers ::createFromRenderArray
   * @dataProvider providerTestCreateFromRenderArray
   */
  public function testCreateFromRenderArray(array $render_array, BubbleableMetadata $expected) {
    $this
      ->assertEquals($expected, BubbleableMetadata::createFromRenderArray($render_array));
  }

  /**
   * Provides test data for createFromRenderArray().
   *
   * @return array
   */
  public function providerTestCreateFromRenderArray() {
    $data = [];
    $empty_metadata = new BubbleableMetadata();
    $nonempty_metadata = new BubbleableMetadata();
    $nonempty_metadata
      ->setCacheContexts([
      'qux',
    ])
      ->setCacheTags([
      'foo:bar',
    ])
      ->setAttachments([
      'settings' => [
        'foo' => 'bar',
      ],
    ]);
    $empty_render_array = [];
    $nonempty_render_array = [
      '#cache' => [
        'contexts' => [
          'qux',
        ],
        'tags' => [
          'foo:bar',
        ],
        'max-age' => Cache::PERMANENT,
      ],
      '#attached' => [
        'settings' => [
          'foo' => 'bar',
        ],
      ],
    ];
    $data[] = [
      $empty_render_array,
      $empty_metadata,
    ];
    $data[] = [
      $nonempty_render_array,
      $nonempty_metadata,
    ];
    return $data;
  }

  /**
   * Tests library asset merging.
   *
   * @covers ::mergeAttachments
   */
  public function testMergeAttachmentsLibraryMerging() {
    $a['#attached'] = [
      'library' => [
        'core/drupal',
        'core/drupalSettings',
      ],
      'drupalSettings' => [
        'foo' => [
          'd',
        ],
      ],
    ];
    $b['#attached'] = [
      'library' => [
        'core/jquery',
      ],
      'drupalSettings' => [
        'bar' => [
          'a',
          'b',
          'c',
        ],
      ],
    ];
    $expected['#attached'] = [
      'library' => [
        'core/drupal',
        'core/drupalSettings',
        'core/jquery',
      ],
      'drupalSettings' => [
        'foo' => [
          'd',
        ],
        'bar' => [
          'a',
          'b',
          'c',
        ],
      ],
    ];
    $this
      ->assertSame($expected['#attached'], BubbleableMetadata::mergeAttachments($a['#attached'], $b['#attached']), 'Attachments merged correctly.');

    // Merging in the opposite direction yields the opposite library order.
    $expected['#attached'] = [
      'library' => [
        'core/jquery',
        'core/drupal',
        'core/drupalSettings',
      ],
      'drupalSettings' => [
        'bar' => [
          'a',
          'b',
          'c',
        ],
        'foo' => [
          'd',
        ],
      ],
    ];
    $this
      ->assertSame($expected['#attached'], BubbleableMetadata::mergeAttachments($b['#attached'], $a['#attached']), 'Attachments merged correctly; opposite merging yields opposite order.');

    // Merging with duplicates: duplicates are simply retained, it's up to the
    // rest of the system to handle duplicates.
    $b['#attached']['library'][] = 'core/drupalSettings';
    $expected['#attached'] = [
      'library' => [
        'core/drupal',
        'core/drupalSettings',
        'core/jquery',
        'core/drupalSettings',
      ],
      'drupalSettings' => [
        'foo' => [
          'd',
        ],
        'bar' => [
          'a',
          'b',
          'c',
        ],
      ],
    ];
    $this
      ->assertSame($expected['#attached'], BubbleableMetadata::mergeAttachments($a['#attached'], $b['#attached']), 'Attachments merged correctly; duplicates are retained.');

    // Merging with duplicates (simple case).
    $b['#attached']['drupalSettings']['foo'] = [
      'a',
      'b',
      'c',
    ];
    $expected['#attached'] = [
      'library' => [
        'core/drupal',
        'core/drupalSettings',
        'core/jquery',
        'core/drupalSettings',
      ],
      'drupalSettings' => [
        'foo' => [
          'a',
          'b',
          'c',
        ],
        'bar' => [
          'a',
          'b',
          'c',
        ],
      ],
    ];
    $this
      ->assertSame($expected['#attached'], BubbleableMetadata::mergeAttachments($a['#attached'], $b['#attached']));

    // Merging with duplicates (simple case) in the opposite direction yields
    // the opposite JS setting asset order, but also opposite overriding order.
    $expected['#attached'] = [
      'library' => [
        'core/jquery',
        'core/drupalSettings',
        'core/drupal',
        'core/drupalSettings',
      ],
      'drupalSettings' => [
        'bar' => [
          'a',
          'b',
          'c',
        ],
        'foo' => [
          'd',
          'b',
          'c',
        ],
      ],
    ];
    $this
      ->assertSame($expected['#attached'], BubbleableMetadata::mergeAttachments($b['#attached'], $a['#attached']));

    // Merging with duplicates: complex case.
    // Only the second of these two entries should appear in drupalSettings.
    $build = [];
    $build['a']['#attached']['drupalSettings']['commonTest'] = 'firstValue';
    $build['b']['#attached']['drupalSettings']['commonTest'] = 'secondValue';

    // Only the second of these entries should appear in drupalSettings.
    $build['a']['#attached']['drupalSettings']['commonTestJsArrayLiteral'] = [
      'firstValue',
    ];
    $build['b']['#attached']['drupalSettings']['commonTestJsArrayLiteral'] = [
      'secondValue',
    ];

    // Only the second of these two entries should appear in drupalSettings.
    $build['a']['#attached']['drupalSettings']['commonTestJsObjectLiteral'] = [
      'key' => 'firstValue',
    ];
    $build['b']['#attached']['drupalSettings']['commonTestJsObjectLiteral'] = [
      'key' => 'secondValue',
    ];

    // Real world test case: multiple elements in a render array are adding the
    // same (or nearly the same) JavaScript settings. When merged, they should
    // contain all settings and not duplicate some settings.
    $settings_one = [
      'moduleName' => [
        'ui' => [
          'button A',
          'button B',
        ],
        'magical flag' => 3.14159265359,
      ],
    ];
    $build['a']['#attached']['drupalSettings']['commonTestRealWorldIdentical'] = $settings_one;
    $build['b']['#attached']['drupalSettings']['commonTestRealWorldIdentical'] = $settings_one;
    $settings_two_a = [
      'moduleName' => [
        'ui' => [
          'button A',
          'button B',
          'button C',
        ],
        'magical flag' => 3.14159265359,
        'thingiesOnPage' => [
          'id1' => [],
        ],
      ],
    ];
    $build['a']['#attached']['drupalSettings']['commonTestRealWorldAlmostIdentical'] = $settings_two_a;
    $settings_two_b = [
      'moduleName' => [
        'ui' => [
          'button D',
          'button E',
        ],
        'magical flag' => 3.14,
        'thingiesOnPage' => [
          'id2' => [],
        ],
      ],
    ];
    $build['b']['#attached']['drupalSettings']['commonTestRealWorldAlmostIdentical'] = $settings_two_b;
    $merged = BubbleableMetadata::mergeAttachments($build['a']['#attached'], $build['b']['#attached']);

    // Test whether #attached can be used to override a previous setting.
    $this
      ->assertSame('secondValue', $merged['drupalSettings']['commonTest']);

    // Test whether #attached can be used to add and override a JavaScript
    // array literal (an indexed PHP array) values.
    $this
      ->assertSame('secondValue', $merged['drupalSettings']['commonTestJsArrayLiteral'][0]);

    // Test whether #attached can be used to add and override a JavaScript
    // object literal (an associate PHP array) values.
    $this
      ->assertSame('secondValue', $merged['drupalSettings']['commonTestJsObjectLiteral']['key']);

    // Test whether the two real world cases are handled correctly: the first
    // adds the exact same settings twice and hence tests idempotency, the
    // second adds *almost* the same settings twice: the second time, some
    // values are altered, and some key-value pairs are added.
    $settings_two['moduleName']['thingiesOnPage']['id1'] = [];
    $this
      ->assertSame($settings_one, $merged['drupalSettings']['commonTestRealWorldIdentical']);
    $expected_settings_two = $settings_two_a;
    $expected_settings_two['moduleName']['ui'][0] = 'button D';
    $expected_settings_two['moduleName']['ui'][1] = 'button E';
    $expected_settings_two['moduleName']['ui'][2] = 'button C';
    $expected_settings_two['moduleName']['magical flag'] = 3.14;
    $expected_settings_two['moduleName']['thingiesOnPage']['id2'] = [];
    $this
      ->assertSame($expected_settings_two, $merged['drupalSettings']['commonTestRealWorldAlmostIdentical']);
  }

  /**
   * Tests feed asset merging.
   *
   * @covers ::mergeAttachments
   *
   * @dataProvider providerTestMergeAttachmentsFeedMerging
   */
  public function testMergeAttachmentsFeedMerging($a, $b, $expected) {
    $this
      ->assertSame($expected, BubbleableMetadata::mergeAttachments($a, $b));
  }

  /**
   * Data provider for testMergeAttachmentsFeedMerging
   *
   * @return array
   */
  public function providerTestMergeAttachmentsFeedMerging() {
    $feed_a = [
      'aggregator/rss',
      'Feed title',
    ];
    $feed_b = [
      'taxonomy/term/1/feed',
      'RSS - foo',
    ];
    $a = [
      'feed' => [
        $feed_a,
      ],
    ];
    $b = [
      'feed' => [
        $feed_b,
      ],
    ];
    $expected_a = [
      'feed' => [
        $feed_a,
        $feed_b,
      ],
    ];

    // Merging in the opposite direction yields the opposite library order.
    $expected_b = [
      'feed' => [
        $feed_b,
        $feed_a,
      ],
    ];
    return [
      [
        $a,
        $b,
        $expected_a,
      ],
      [
        $b,
        $a,
        $expected_b,
      ],
    ];
  }

  /**
   * Tests html_head asset merging.
   *
   * @covers ::mergeAttachments
   *
   * @dataProvider providerTestMergeAttachmentsHtmlHeadMerging
   */
  public function testMergeAttachmentsHtmlHeadMerging($a, $b, $expected) {
    $this
      ->assertSame($expected, BubbleableMetadata::mergeAttachments($a, $b));
  }

  /**
   * Data provider for testMergeAttachmentsHtmlHeadMerging
   *
   * @return array
   */
  public function providerTestMergeAttachmentsHtmlHeadMerging() {
    $meta = [
      '#tag' => 'meta',
      '#attributes' => [
        'charset' => 'utf-8',
      ],
      '#weight' => -1000,
    ];
    $html_tag = [
      '#type' => 'html_tag',
      '#tag' => 'meta',
      '#attributes' => [
        'name' => 'Generator',
        'content' => 'Kitten 1.0 (https://www.drupal.org/project/kitten)',
      ],
    ];
    $a = [
      'html_head' => [
        $meta,
        'system_meta_content_type',
      ],
    ];
    $b = [
      'html_head' => [
        $html_tag,
        'system_meta_generator',
      ],
    ];
    $expected_a = [
      'html_head' => [
        $meta,
        'system_meta_content_type',
        $html_tag,
        'system_meta_generator',
      ],
    ];

    // Merging in the opposite direction yields the opposite library order.
    $expected_b = [
      'html_head' => [
        $html_tag,
        'system_meta_generator',
        $meta,
        'system_meta_content_type',
      ],
    ];
    return [
      [
        $a,
        $b,
        $expected_a,
      ],
      [
        $b,
        $a,
        $expected_b,
      ],
    ];
  }

  /**
   * Tests html_head_link asset merging.
   *
   * @covers ::mergeAttachments
   *
   * @dataProvider providerTestMergeAttachmentsHtmlHeadLinkMerging
   */
  public function testMergeAttachmentsHtmlHeadLinkMerging($a, $b, $expected) {
    $this
      ->assertSame($expected, BubbleableMetadata::mergeAttachments($a, $b));
  }

  /**
   * Data provider for testMergeAttachmentsHtmlHeadLinkMerging
   *
   * @return array
   */
  public function providerTestMergeAttachmentsHtmlHeadLinkMerging() {
    $rel = [
      'rel' => 'rel',
      'href' => 'http://rel.example.com',
    ];
    $shortlink = [
      'rel' => 'shortlink',
      'href' => 'http://shortlink.example.com',
    ];
    $a = [
      'html_head_link' => [
        $rel,
        TRUE,
      ],
    ];
    $b = [
      'html_head_link' => [
        $shortlink,
        FALSE,
      ],
    ];
    $expected_a = [
      'html_head_link' => [
        $rel,
        TRUE,
        $shortlink,
        FALSE,
      ],
    ];

    // Merging in the opposite direction yields the opposite library order.
    $expected_b = [
      'html_head_link' => [
        $shortlink,
        FALSE,
        $rel,
        TRUE,
      ],
    ];
    return [
      [
        $a,
        $b,
        $expected_a,
      ],
      [
        $b,
        $a,
        $expected_b,
      ],
    ];
  }

  /**
   * Tests http_header asset merging.
   *
   * @covers ::mergeAttachments
   *
   * @dataProvider providerTestMergeAttachmentsHttpHeaderMerging
   */
  public function testMergeAttachmentsHttpHeaderMerging($a, $b, $expected) {
    $this
      ->assertSame($expected, BubbleableMetadata::mergeAttachments($a, $b));
  }

  /**
   * Data provider for testMergeAttachmentsHttpHeaderMerging
   *
   * @return array
   */
  public function providerTestMergeAttachmentsHttpHeaderMerging() {
    $content_type = [
      'Content-Type',
      'application/rss+xml; charset=utf-8',
    ];
    $expires = [
      'Expires',
      'Sun, 19 Nov 1978 05:00:00 GMT',
    ];
    $a = [
      'http_header' => [
        $content_type,
      ],
    ];
    $b = [
      'http_header' => [
        $expires,
      ],
    ];
    $expected_a = [
      'http_header' => [
        $content_type,
        $expires,
      ],
    ];

    // Merging in the opposite direction yields the opposite library order.
    $expected_b = [
      'http_header' => [
        $expires,
        $content_type,
      ],
    ];
    return [
      [
        $a,
        $b,
        $expected_a,
      ],
      [
        $b,
        $a,
        $expected_b,
      ],
    ];
  }

  /**
   * @covers ::addCacheableDependency
   * @dataProvider providerTestMerge
   *
   * This only tests at a high level, because it reuses existing logic. Detailed
   * tests exist for the existing logic:
   *
   * @see \Drupal\Tests\Core\Cache\CacheTest::testMergeTags()
   * @see \Drupal\Tests\Core\Cache\CacheTest::testMergeMaxAges()
   * @see \Drupal\Tests\Core\Cache\CacheContextsTest
   */
  public function testAddCacheableDependency(BubbleableMetadata $a, $b, BubbleableMetadata $expected) {
    $cache_contexts_manager = $this
      ->getMockBuilder('Drupal\\Core\\Cache\\Context\\CacheContextsManager')
      ->disableOriginalConstructor()
      ->getMock();
    $cache_contexts_manager
      ->method('assertValidTokens')
      ->willReturn(TRUE);
    $container = new ContainerBuilder();
    $container
      ->set('cache_contexts_manager', $cache_contexts_manager);
    \Drupal::setContainer($container);
    $this
      ->assertEquals($expected, $a
      ->addCacheableDependency($b));
  }

  /**
   * Provides test data for testMerge().
   *
   * @return array
   */
  public function providerTestAddCacheableDependency() {
    return [
      // Merge in a cacheable metadata.
      'merge-cacheable-metadata' => [
        (new BubbleableMetadata())
          ->setCacheContexts([
          'foo',
        ])
          ->setCacheTags([
          'foo',
        ])
          ->setCacheMaxAge(20),
        (new CacheableMetadata())
          ->setCacheContexts([
          'bar',
        ])
          ->setCacheTags([
          'bar',
        ])
          ->setCacheMaxAge(60),
        (new BubbleableMetadata())
          ->setCacheContexts([
          'foo',
          'bar',
        ])
          ->setCacheTags([
          'foo',
          'bar',
        ])
          ->setCacheMaxAge(20),
      ],
      'merge-bubbleable-metadata' => [
        (new BubbleableMetadata())
          ->setCacheContexts([
          'foo',
        ])
          ->setCacheTags([
          'foo',
        ])
          ->setCacheMaxAge(20)
          ->setAttachments([
          'foo' => [],
        ]),
        (new BubbleableMetadata())
          ->setCacheContexts([
          'bar',
        ])
          ->setCacheTags([
          'bar',
        ])
          ->setCacheMaxAge(60)
          ->setAttachments([
          'bar' => [],
        ]),
        (new BubbleableMetadata())
          ->setCacheContexts([
          'foo',
          'bar',
        ])
          ->setCacheTags([
          'foo',
          'bar',
        ])
          ->setCacheMaxAge(20)
          ->setAttachments([
          'foo' => [],
          'bar' => [],
        ]),
      ],
      'merge-attachments-metadata' => [
        (new BubbleableMetadata())
          ->setAttachments([
          'foo' => [],
        ]),
        (new BubbleableMetadata())
          ->setAttachments([
          'baro' => [],
        ]),
        (new BubbleableMetadata())
          ->setAttachments([
          'foo' => [],
          'bar' => [],
        ]),
      ],
    ];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
BubbleableMetadataTest::providerTestAddAttachments	public	function	Provides test data for testAddAttachments().
BubbleableMetadataTest::providerTestAddCacheableDependency	public	function	Provides test data for testMerge().
BubbleableMetadataTest::providerTestApplyTo	public	function	Provides test data for testApplyTo().
BubbleableMetadataTest::providerTestCreateFromRenderArray	public	function	Provides test data for createFromRenderArray().
BubbleableMetadataTest::providerTestMerge	public	function	Provides test data for testMerge().
BubbleableMetadataTest::providerTestMergeAttachmentsFeedMerging	public	function	Data provider for testMergeAttachmentsFeedMerging
BubbleableMetadataTest::providerTestMergeAttachmentsHtmlHeadLinkMerging	public	function	Data provider for testMergeAttachmentsHtmlHeadLinkMerging
BubbleableMetadataTest::providerTestMergeAttachmentsHtmlHeadMerging	public	function	Data provider for testMergeAttachmentsHtmlHeadMerging
BubbleableMetadataTest::providerTestMergeAttachmentsHttpHeaderMerging	public	function	Data provider for testMergeAttachmentsHttpHeaderMerging
BubbleableMetadataTest::testAddAttachments	public	function	@covers ::addAttachments @covers ::setAttachments @dataProvider providerTestAddAttachments
BubbleableMetadataTest::testAddCacheableDependency	public	function	@covers ::addCacheableDependency @dataProvider providerTestMerge
BubbleableMetadataTest::testApplyTo	public	function	@covers ::applyTo @dataProvider providerTestApplyTo
BubbleableMetadataTest::testCreateFromRenderArray	public	function	@covers ::createFromRenderArray @dataProvider providerTestCreateFromRenderArray
BubbleableMetadataTest::testMerge	public	function	@covers ::merge @dataProvider providerTestMerge
BubbleableMetadataTest::testMergeAttachmentsFeedMerging	public	function	Tests feed asset merging.
BubbleableMetadataTest::testMergeAttachmentsHtmlHeadLinkMerging	public	function	Tests html_head_link asset merging.
BubbleableMetadataTest::testMergeAttachmentsHtmlHeadMerging	public	function	Tests html_head asset merging.
BubbleableMetadataTest::testMergeAttachmentsHttpHeaderMerging	public	function	Tests http_header asset merging.
BubbleableMetadataTest::testMergeAttachmentsLibraryMerging	public	function	Tests library asset merging.
PhpunitCompatibilityTrait::getMock Deprecated	public	function	Returns a mock object for the specified class using the available method.
PhpunitCompatibilityTrait::setExpectedException Deprecated	public	function	Compatibility layer for PHPUnit 6 to support PHPUnit 4 code.
UnitTestCase::$randomGenerator	protected	property	The random generator.
UnitTestCase::$root	protected	property	The app root.	1
UnitTestCase::assertArrayEquals	protected	function	Asserts if two arrays are equal by sorting them first.
UnitTestCase::getBlockMockWithMachineName Deprecated	protected	function	Mocks a block with a block plugin.	1
UnitTestCase::getClassResolverStub	protected	function	Returns a stub class resolver.
UnitTestCase::getConfigFactoryStub	public	function	Returns a stub config factory that behaves according to the passed array.
UnitTestCase::getConfigStorageStub	public	function	Returns a stub config storage that returns the supplied configuration.
UnitTestCase::getContainerWithCacheTagsInvalidator	protected	function	Sets up a container with a cache tags invalidator.
UnitTestCase::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
UnitTestCase::getStringTranslationStub	public	function	Returns a stub translation manager that just returns the passed string.
UnitTestCase::randomMachineName	public	function	Generates a unique random string containing letters and numbers.
UnitTestCase::setUp	protected	function		340

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class BubbleableMetadataTest in Drupal 8

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