function ImageTestBase::testLinkability

Tests linkability of the image CKEditor widget.

Due to the complex overrides that `drupalImage.DrupalImage` is making, this is explicitly testing the "editingDowncast" and "dataDowncast" results. These are CKEditor 5 concepts.

@dataProvider providerLinkability

See also

https://ckeditor.com/docs/ckeditor5/latest/framework/guides/architectur…

File

core/modules/ckeditor5/tests/src/FunctionalJavascript/ImageTestBase.php, line 208

Class

ImageTestBase

@coversDefaultClass \Drupal\ckeditor5\Plugin\CKEditor5Plugin\Image @group ckeditor5 @internal

Namespace

Code

public function testLinkability(string $image_type, bool $unrestricted) {
    assert($image_type === 'inline' || $image_type === 'block');
    // Disable filter_html.
    if ($unrestricted) {
        FilterFormat::load('test_format')->setFilterConfig('filter_html', [
            'status' => FALSE,
        ])
            ->save();
    }
    // Make the test content have either a block image or an inline image.
    $img_tag = '<img alt="drupalimage test image" data-entity-type="file" ' . $this->imageAttributesAsString() . ' />';
    $this->host->body->value .= $image_type === 'block' ? $img_tag : "<p>{$img_tag}</p>";
    $this->host
        ->save();
    // Adjust the expectations accordingly.
    $expected_widget_class = $image_type === 'block' ? 'image' : 'image-inline';
    $page = $this->getSession()
        ->getPage();
    $this->drupalGet($this->host
        ->toUrl('edit-form'));
    $this->waitForEditor();
    $assert_session = $this->assertSession();
    // Initial state: the image CKEditor Widget is not selected.
    $drupalimage = $assert_session->waitForElementVisible('css', ".ck-content .ck-widget.{$expected_widget_class}");
    $this->assertNotEmpty($drupalimage);
    $this->assertFalse($drupalimage->hasClass('.ck-widget_selected'));
    $src = basename($this->imageAttributes()['src']);
    // Assert the "editingDowncast" HTML before making changes.
    $assert_session->elementExists('css', '.ck-content .ck-widget.' . $expected_widget_class . ' > img[src*="' . $src . '"][alt="drupalimage test image"]');
    // Assert the "dataDowncast" HTML before making changes.
    $xpath = new \DOMXPath($this->getEditorDataAsDom());
    $this->assertNotEmpty($xpath->query('//img[@alt="drupalimage test image"]'));
    $this->assertEmpty($xpath->query('//a'));
    // Assert the link button is present and not pressed.
    $link_button = $this->getEditorButton('Link');
    $this->assertSame('false', $link_button->getAttribute('aria-pressed'));
    // Tests linking images.
    $drupalimage->click();
    $this->assertTrue($drupalimage->hasClass('ck-widget_selected'));
    $this->assertEditorButtonEnabled('Link');
    // Assert structure of image toolbar balloon.
    $this->assertVisibleBalloon('.ck-toolbar[aria-label="Image toolbar"]');
    $link_image_button = $this->getBalloonButton('Link image');
    // Click the "Link image" button.
    $this->assertSame('false', $link_image_button->getAttribute('aria-pressed'));
    $link_image_button->press();
    // Assert structure of link form balloon.
    $balloon = $this->assertVisibleBalloon('.ck-link-form');
    $url_input = $balloon->find('css', '.ck-labeled-field-view__input-wrapper .ck-input-text');
    // Fill in link form balloon's <input> and hit "Save".
    $url_input->setValue('http://www.drupal.org/association');
    $balloon->pressButton('Save');
    // Assert the "editingDowncast" HTML after making changes. First assert the
    // link exists, then assert the expected DOM structure in detail.
    $assert_session->elementExists('css', '.ck-content a[href*="//www.drupal.org/association"]');
    // For inline images, the link is wrapping the widget; for block images the
    // link lives inside the widget. (This is how it is implemented upstream, it
    // could be implemented differently, we just want to ensure we do not break
    // it. Drupal only cares about having its own "dataDowncast", the
    // "editingDowncast" is considered an implementation detail.)
    $assert_session->elementExists('css', $image_type === 'inline' ? '.ck-content a[href*="//www.drupal.org/association"] .ck-widget.' . $expected_widget_class . ' > img[src*="' . $src . '"][alt="drupalimage test image"]' : '.ck-content .ck-widget.' . $expected_widget_class . ' a[href*="//www.drupal.org/association"] > img[src*="' . $src . '"][alt="drupalimage test image"]');
    // Assert the "dataDowncast" HTML after making changes.
    $xpath = new \DOMXPath($this->getEditorDataAsDom());
    $this->assertCount(1, $xpath->query('//a[@href="http://www.drupal.org/association"]/img[@alt="drupalimage test image"]'));
    $this->assertEmpty($xpath->query('//a[@href="http://www.drupal.org/association" and @class="trusted"]'));
    // Add `class="trusted"` to the link.
    $xpath = new \DOMXPath($this->getEditorDataAsDom());
    $this->assertEmpty($xpath->query('//a[@href="http://www.drupal.org/association" and @class="trusted"]'));
    $this->pressEditorButton('Source');
    $source_text_area = $assert_session->waitForElement('css', '.ck-source-editing-area textarea');
    $this->assertNotEmpty($source_text_area);
    $new_value = str_replace('<a ', '<a class="trusted" ', $source_text_area->getValue());
    $source_text_area->setValue('<p>temp</p>');
    $source_text_area->setValue($new_value);
    $this->pressEditorButton('Source');
    // When unrestricted, additional attributes on links should be retained.
    $xpath = new \DOMXPath($this->getEditorDataAsDom());
    $this->assertCount($unrestricted ? 1 : 0, $xpath->query('//a[@href="http://www.drupal.org/association" and @class="trusted"]'));
    // Save the entity whose text field is being edited.
    $page->pressButton('Save');
    // Assert the HTML the end user sees.
    $assert_session->elementExists('css', $unrestricted ? 'a[href="http://www.drupal.org/association"].trusted img[src*="' . $src . '"]' : 'a[href="http://www.drupal.org/association"] img[src*="' . $src . '"]');
    // Go back to edit the now *linked* <drupal-media>. Everything from this
    // point onwards is effectively testing "upcasting" and proving there is no
    // data loss.
    $this->drupalGet($this->host
        ->toUrl('edit-form'));
    $this->waitForEditor();
    // Assert the "dataDowncast" HTML before making changes.
    $xpath = new \DOMXPath($this->getEditorDataAsDom());
    $this->assertNotEmpty($xpath->query('//img[@alt="drupalimage test image"]'));
    $this->assertNotEmpty($xpath->query('//a[@href="http://www.drupal.org/association"]'));
    $this->assertNotEmpty($xpath->query('//a[@href="http://www.drupal.org/association"]/img[@alt="drupalimage test image"]'));
    $this->assertCount($unrestricted ? 1 : 0, $xpath->query('//a[@href="http://www.drupal.org/association" and @class="trusted"]'));
    // Tests unlinking images.
    $drupalimage->click();
    $this->assertEditorButtonEnabled('Link');
    $this->assertSame('true', $this->getEditorButton('Link')
        ->getAttribute('aria-pressed'));
    // Assert structure of image toolbar balloon.
    $this->assertVisibleBalloon('.ck-toolbar[aria-label="Image toolbar"]');
    $link_image_button = $this->getBalloonButton('Link image');
    $this->assertSame('true', $link_image_button->getAttribute('aria-pressed'));
    $link_image_button->click();
    // Assert structure of link actions balloon.
    $this->getBalloonButton('Edit link');
    $unlink_image_button = $this->getBalloonButton('Unlink');
    // Click the "Unlink" button.
    $unlink_image_button->click();
    $this->assertSame('false', $this->getEditorButton('Link')
        ->getAttribute('aria-pressed'));
    // Assert the "editingDowncast" HTML after making changes. Assert the
    // widget exists but not the link, or *any* link for that matter. Then
    // assert the expected DOM structure in detail.
    $assert_session->elementExists('css', '.ck-content .ck-widget.' . $expected_widget_class);
    $assert_session->elementNotExists('css', '.ck-content a');
    $assert_session->elementExists('css', '.ck-content .ck-widget.' . $expected_widget_class . ' > img[src*="' . $src . '"][alt="drupalimage test image"]');
    // Assert the "dataDowncast" HTML after making changes.
    $xpath = new \DOMXPath($this->getEditorDataAsDom());
    $this->assertCount(0, $xpath->query('//a[@href="http://www.drupal.org/association"]/img[@alt="drupalimage test image"]'));
    $this->assertCount(1, $xpath->query('//img[@alt="drupalimage test image"]'));
    $this->assertCount(0, $xpath->query('//a'));
}