function MediaTest::testAlt

Tests the EditorMediaDialog can set the alt attribute.

File

core/modules/ckeditor/tests/src/FunctionalJavascript/MediaTest.php, line 657

Class

MediaTest

@coversDefaultClass \Drupal\ckeditor\Plugin\CKEditorPlugin\DrupalMedia[[api-linebreak]] @group ckeditor @group legacy

Namespace

Code

public function testAlt() {
  $page = $this->getSession()
    ->getPage();
  $assert_session = $this->assertSession();
  $this->drupalGet($this->host
    ->toUrl('edit-form'));
  $this->waitForEditor();
  $this->assignNameToCkeditorIframe();
  $this->getSession()
    ->switchToIFrame('ckeditor');
  // Wait for the media preview to load.
  $this->assertNotEmpty($assert_session->waitForElementVisible('css', 'drupal-media img'));
  // Test that by default no alt attribute is present on the drupal-media
  // element.
  $this->pressEditorButton('source');
  $this->assertSourceAttributeSame('alt', NULL);
  $this->leaveSourceMode();
  // Test that the preview shows the alt value from the media field's
  // alt text.
  $this->assertNotEmpty($assert_session->waitForElementVisible('css', 'drupal-media img[alt*="default alt"]'));
  $this->openMetadataDialogWithKeyPress(static::RETURN_KEY);
  // Assert that the placeholder is set to the value of the media field's
  // alt text.
  $assert_session->elementAttributeContains('named', [
    'field',
    'attributes[alt]',
  ], 'placeholder', 'default alt');
  // Fill in the alt field, submit and return to CKEditor.
  // cSpell:disable-next-line
  $who_is_zartan = 'Zartan is the leader of the Dreadnoks.';
  $page->fillField('attributes[alt]', $who_is_zartan);
  $this->submitDialog();
  $this->getSession()
    ->switchToIFrame('ckeditor');
  // Assert that the img within the media embed within the CKEditor contains
  // the overridden alt text set in the dialog.
  $this->assertNotEmpty($assert_session->waitForElementVisible('css', 'drupal-media img[alt*="' . $who_is_zartan . '"]'));
  // Test `aria-label` attribute appears on the widget wrapper.
  $assert_session->elementExists('css', '.cke_widget_drupalmedia[aria-label="Screaming hairy armadillo"]');
  // Test that the downcast drupal-media element now has the alt attribute
  // entered in the dialog.
  $this->pressEditorButton('source');
  $this->assertSourceAttributeSame('alt', $who_is_zartan);
  // The alt field should now display the override instead of the default.
  $this->leaveSourceMode();
  $this->openMetadataDialog();
  $assert_session->fieldValueEquals('attributes[alt]', $who_is_zartan);
  // Test the process again with a different alt text to make sure it works
  // the second time around.
  $cobra_commander_bio = 'The supreme leader of the terrorist organization Cobra';
  // Set the alt field to the new alt text.
  $page->fillField('attributes[alt]', $cobra_commander_bio);
  $this->submitDialog();
  $this->getSession()
    ->switchToIFrame('ckeditor');
  // Assert that the img within the media embed preview
  // within the CKEditor contains the overridden alt text set in the dialog.
  $this->assertNotEmpty($assert_session->waitForElementVisible('css', 'drupal-media img[alt*="' . $cobra_commander_bio . '"]'));
  // Test that the downcast drupal-media element now has the alt attribute
  // entered in the dialog.
  $this->pressEditorButton('source');
  $this->assertSourceAttributeSame('alt', $cobra_commander_bio);
  // The default value of the alt field should now display the override
  // instead of the value on the media image field.
  $this->leaveSourceMode();
  $this->openMetadataDialogWithKeyPress(static::RETURN_KEY);
  $assert_session->fieldValueEquals('attributes[alt]', $cobra_commander_bio);
  // Test that setting alt value to two double quotes will signal to the
  // MediaEmbed filter to unset the attribute on the media image field. We
  // intentionally add a space after the two double quotes to test the string
  // is trimmed to two quotes.
  $page->fillField('attributes[alt]', '"" ');
  $this->submitDialog();
  $this->getSession()
    ->switchToIFrame('ckeditor');
  // Verify that the two double quote empty alt indicator ('""') set in
  // the dialog has successfully resulted in a media image field with the
  // alt attribute present but without a value.
  $this->assertNotEmpty($assert_session->waitForElementVisible('css', 'drupal-media img[alt=""]'));
  // Test that the downcast drupal-media element's alt attribute now has the
  // empty string indicator.
  $this->pressEditorButton('source');
  $this->assertSourceAttributeSame('alt', '""');
  // Test that setting alt to back to an empty string within the dialog will
  // restore the default alt value saved in to the media image field of the
  // media item.
  $this->leaveSourceMode();
  $this->openMetadataDialog();
  $page->fillField('attributes[alt]', '');
  $this->submitDialog();
  $this->getSession()
    ->switchToIFrame('ckeditor');
  $this->assertNotEmpty($assert_session->waitForElementVisible('css', 'drupal-media img[alt*="default alt"]'));
  // Test that the downcast drupal-media element no longer has an alt
  // attribute.
  $this->pressEditorButton('source');
  $this->assertSourceAttributeSame('alt', NULL);
}