assertSelectedMediaCount example

  protected function selectMediaItem($index, $expected_selected_count = NULL) {
    $checkboxes = $this->getCheckboxes();
    $this->assertGreaterThan($index, count($checkboxes));
    $checkboxes[$index]->check();

    if ($expected_selected_count) {
      $this->assertSelectedMediaCount($expected_selected_count);
    }
  }

  /** * De-selects an item in the media library modal. * * @param int $index * The zero-based index of the item to unselect. */
  protected function deselectMediaItem(int $index): void {
    $checkboxes = $this->getCheckboxes();
    

$this->pressInsertSelected('Added one media item.');

    // Assert that the media type menu is not available when only 1 type is     // configured for the field.     $this->openMediaLibraryForField('field_single_media_type', '#media-library-wrapper');
    $this->waitForElementTextContains('.media-library-selected-count', '0 of 1 item selected');

    // Select a media item, assert the hidden selection field contains the ID of     // the selected item.     $this->selectMediaItem(0);
    $assert_session->hiddenFieldValueEquals('media-library-modal-selection', '4');
    $this->assertSelectedMediaCount('1 of 1 item selected');
    $assert_session->elementNotExists('css', '.js-media-library-menu');
    $assert_session->elementExists('css', '.ui-dialog-titlebar-close')->click();

    // Assert the menu links can be sorted through the widget configuration.     $this->openMediaLibraryForField('field_twin_media');
    $links = $this->getTypesMenu()->findAll('css', 'a');
    $link_titles = [];
    foreach ($links as $link) {
      $link_titles[] = $link->getText();
    }
    $expected_link_titles = ['Show Type Three media (selected)', 'Show Type One media', 'Show Type Two media', 'Show Type Four media'];