public function CKEditorIntegrationTest::testErrorMessages in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/media/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php \Drupal\Tests\media\FunctionalJavascript\CKEditorIntegrationTest::testErrorMessages()

Tests that failed media embed preview requests inform the end user.

File

core/modules/media/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php, line 195

Class

CKEditorIntegrationTest

@coversDefaultClass \Drupal\media\Plugin\CKEditorPlugin\DrupalMedia @group media

Namespace

Drupal\Tests\media\FunctionalJavascript

Code

public function testErrorMessages() {

  // Assert that a request to the `media.filter.preview` route that does not
  // result in a 200 response (due to server error or network error) is
  // handled in the JavaScript by displaying the expected error message.
  // @see core/modules/media/js/media_embed_ckeditor.theme.js
  // @see core/modules/media/js/plugins/drupalmedia/plugin.js
  $this->container
    ->get('state')
    ->set('test_media_filter_controller_throw_error', TRUE);
  $this
    ->drupalGet($this->host
    ->toUrl('edit-form'));
  $this
    ->waitForEditor();
  $this
    ->assignNameToCkeditorIframe();
  $this
    ->getSession()
    ->switchToIFrame('ckeditor');
  $assert_session = $this
    ->assertSession();
  $this
    ->assertEmpty($assert_session
    ->waitForElementVisible('css', 'img[src*="image-test.png"]', 1000));
  $assert_session
    ->elementNotExists('css', 'figure');
  $this
    ->assertNotEmpty($assert_session
    ->waitForText('An error occurred while trying to preview the media. Please save your work and reload this page.'));

  // Now assert that the error doesn't appear when the override to force an
  // error is removed.
  $this->container
    ->get('state')
    ->set('test_media_filter_controller_throw_error', FALSE);
  $this
    ->getSession()
    ->reload();
  $this
    ->waitForEditor();
  $this
    ->assignNameToCkeditorIframe();
  $this
    ->getSession()
    ->switchToIFrame('ckeditor');
  $this
    ->assertNotEmpty($assert_session
    ->waitForElementVisible('css', 'img[src*="image-test.png"]'));

  // There's a second kind of error message that comes from the back end
  // that happens when the media uuid can't be converted to a media preview.
  // In this case, the error will appear in a the themable
  // media-embed-error.html template.  We have a hook altering the css
  // classes to test the twi template is working properly and picking up our
  // extra class.
  // @see \Drupal\media\Plugin\Filter\MediaEmbed::renderMissingMediaIndicator()
  // @see core/modules/media/templates/media-embed-error.html.twig
  // @see media_test_ckeditor_preprocess_media_embed_error()
  $original_value = $this->host->body->value;
  $this->host->body->value = str_replace($this->media
    ->uuid(), 'invalid_uuid', $original_value);
  $this->host
    ->save();
  $this
    ->drupalGet($this->host
    ->toUrl('edit-form'));
  $this
    ->waitForEditor();
  $this
    ->assignNameToCkeditorIframe();
  $this
    ->getSession()
    ->switchToIFrame('ckeditor');
  $this
    ->assertNotEmpty($assert_session
    ->waitForElement('css', 'drupal-media figure.caption-drupal-media .this-error-message-is-themeable'));

  // Test when using the classy theme, an additional class is added in
  // classy/templates/content/media-embed-error.html.twig.
  $this
    ->assertTrue($this->container
    ->get('theme_installer')
    ->install([
    'classy',
  ]));
  $this
    ->config('system.theme')
    ->set('default', 'classy')
    ->save();
  $this
    ->drupalGet($this->host
    ->toUrl('edit-form'));
  $this
    ->waitForEditor();
  $this
    ->assignNameToCkeditorIframe();
  $this
    ->getSession()
    ->switchToIFrame('ckeditor');
  $this
    ->assertNotEmpty($assert_session
    ->waitForElement('css', 'drupal-media figure.caption-drupal-media .this-error-message-is-themeable.media-embed-error--missing-source'));
  $assert_session
    ->responseContains('classy/css/components/media-embed-error.css');

  // Test that restoring a valid UUID results in the media embed preview
  // displaying.
  $this->host->body->value = $original_value;
  $this->host
    ->save();
  $this
    ->drupalGet($this->host
    ->toUrl('edit-form'));
  $this
    ->waitForEditor();
  $this
    ->assignNameToCkeditorIframe();
  $this
    ->getSession()
    ->switchToIFrame('ckeditor');
  $this
    ->assertNotEmpty($assert_session
    ->waitForElementVisible('css', 'img[src*="image-test.png"]'));
  $assert_session
    ->elementNotExists('css', 'drupal-media figure.caption-drupal-media .this-error-message-is-themeable');
}