class ViewsUiIntegrationTest

class ViewsUiIntegrationTest extends MediaLibraryTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'views_ui',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();
    // Create a few example media items for use in selection.
    $this->createMediaItems([
      'type_one' => [
        'Horse',
        'Bear',
        'Cat',
        'Dog',
      ],
      'type_two' => [
        'Crocodile',
        'Lizard',
        'Snake',
        'Turtle',
      ],
    ]);
    $account = $this->drupalCreateUser([
      'administer views',
    ]);
    $this->drupalLogin($account);
  }
  
  /**
   * Tests that the integration with Views works correctly.
   */
  public function testViewsAdmin() {
    $page = $this->getSession()
      ->getPage();
    // Assert that the widget can be seen and that there are 8 items.
    $this->drupalGet('/admin/structure/views/view/media_library/edit/widget');
    $this->waitForElementsCount('css', '.js-media-library-item', 8);
    // Assert that filtering works in live preview.
    $page->find('css', '.js-media-library-view .view-filters')
      ->fillField('name', 'snake');
    $page->find('css', '.js-media-library-view .view-filters')
      ->pressButton('Apply filters');
    $this->waitForElementsCount('css', '.js-media-library-item', 1);
    // Test the same routine but in the view for the table widget.
    $this->drupalGet('/admin/structure/views/view/media_library/edit/widget_table');
    $this->waitForElementsCount('css', '.js-media-library-item', 8);
    // Assert that filtering works in live preview.
    $page->find('css', '.js-media-library-view .view-filters')
      ->fillField('name', 'snake');
    $page->find('css', '.js-media-library-view .view-filters')
      ->pressButton('Apply filters');
    $this->waitForElementsCount('css', '.js-media-library-item', 1);
    // We cannot test clicking the 'Insert selected' button in either view
    // because we expect an AJAX error, which would always throw an exception
    // on ::tearDown even if we try to catch it here. If there is an API for
    // marking certain elements 'unsuitable for previewing', we could test that
    // here.
    // @see https://www.drupal.org/project/drupal/issues/3060852
  }

}