getCheckboxes example

    $assert_session->pageTextContains('Add or select media');
    $assert_session->pageTextContains('Custom video title');
    $assert_session->fieldValueEquals('media_library_select_form[0]', $added_media->id());
    $assert_session->checkboxChecked('media_library_select_form[0]');
    // Assert the item that was selected before uploading the file is still     // selected.     $assert_session->pageTextContains('2 items selected');
    $assert_session->checkboxChecked("Select Custom video title");
    $assert_session->checkboxChecked("Select $youtube_title");
    $assert_session->hiddenFieldValueEquals('current_selection', implode(',', [$selected_item_id, $added_media->id()]));
    $selected_checkboxes = [];
    foreach ($this->getCheckboxes() as $checkbox) {
      if ($checkbox->isChecked()) {
        $selected_checkboxes[] = $checkbox->getAttribute('value');
      }
    }
    $this->assertCount(2, $selected_checkboxes);
    // Ensure the created item is added in the widget.     $this->pressInsertSelected('Added 2 media items.');
    $this->waitForText('Custom video title');

    // Assert we can directly insert added oEmbed media in the widget.     $this->openMediaLibraryForField('field_unlimited_media');
    

// Assert the 'Apply filter' button is not moved to the button pane.     $button_pane = $assert_session->elementExists('css', '.ui-dialog-buttonpane');
    $assert_session->buttonExists('Insert selected', $button_pane);
    $assert_session->buttonNotExists('Apply filters', $button_pane);

    // Assert the pager works as expected.     // An active pager item is not linked and contains "Page #" as text.     $assert_session->elementTextContains('css', '.js-media-library-view .js-pager__items > li:nth-of-type(1)', 'Page 1');
    $assert_session->elementNotExists('css', '.js-media-library-view .js-pager__items > li:nth-of-type(1) a');
    $assert_session->elementExists('css', '.js-media-library-view .js-pager__items > li:nth-of-type(2) a');
    $this->assertCount(24, $this->getCheckboxes());
    $page->clickLink('Next page');
    $this->waitForElementTextContains('.js-media-library-view .js-pager__items > li:nth-of-type(2)', 'Page 2');
    $assert_session->elementExists('css', '.js-media-library-view .js-pager__items > li:nth-of-type(1) a');
    $assert_session->elementNotExists('css', '.js-media-library-view .js-pager__items > li:nth-of-type(2) a');
    $this->assertCount(1, $this->getCheckboxes());
    $page->clickLink('Previous page');
    $this->waitForElementTextContains('.js-media-library-view .js-pager__items > li:nth-of-type(1)', 'Page 1');
    $this->assertCount(24, $this->getCheckboxes());

    $page->checkField('Select Bear');
    $this->pressInsertSelected('Added one media item.');
    

    $assert_session->pageTextContains('Add or select media');
    $assert_session->pageTextContains('Unlimited Cardinality Image');
    $assert_session->fieldValueEquals('media_library_select_form[0]', $added_media->id());
    $assert_session->checkboxChecked('media_library_select_form[0]');
    // Assert the item that was selected before uploading the file is still     // selected.     $assert_session->pageTextContains('2 items selected');
    $assert_session->checkboxChecked("Select $added_media_name");
    $assert_session->checkboxChecked("Select $existing_media_name");
    $assert_session->hiddenFieldValueEquals('current_selection', implode(',', [$selected_item_id, $added_media->id()]));
    $selected_checkboxes = [];
    foreach ($this->getCheckboxes() as $checkbox) {
      if ($checkbox->isChecked()) {
        $selected_checkboxes[] = $checkbox->getAttribute('value');
      }
    }
    $this->assertCount(2, $selected_checkboxes);
    // Ensure the created item is added in the widget.     $this->pressInsertSelected('Added 2 media items.');
    $this->waitForText('Unlimited Cardinality Image');

    // Assert we can now only upload one more media item.     $this->openMediaLibraryForField('field_twin_media');
    

  /** * Selects an item in the media library modal. * * @param int $index * The zero-based index of the item to select. * @param string $expected_selected_count * (optional) The expected text of the selection counter. */
  protected function selectMediaItem($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. */

return $wrapper->findButton('Remove') == NULL;
    });
    $this->assertTrue($result);

    // Assert the selection is persistent in the media library modal, and     // the number of selected items is displayed correctly.     $this->openMediaLibraryForField('field_twin_media');
    // Assert the number of selected items is displayed correctly.     $this->assertSelectedMediaCount('0 of 2 items selected');
    // Select a media item, assert the hidden selection field contains the ID of     // the selected item.     $checkboxes = $this->getCheckboxes();
    $this->assertCount(4, $checkboxes);
    $this->selectMediaItem(0, '1 of 2 items selected');
    $assert_session->hiddenFieldValueEquals('media-library-modal-selection', '4');
    // Select another item and assert the number of selected items is updated.     $this->selectMediaItem(1, '2 of 2 items selected');
    $assert_session->hiddenFieldValueEquals('media-library-modal-selection', '4,3');
    // Assert unselected items are disabled when the maximum allowed items are     // selected (cardinality for this field is 2).     $this->assertTrue($checkboxes[2]->hasAttribute('disabled'));
    $this->assertTrue($checkboxes[3]->hasAttribute('disabled'));
    // Assert the selected items are updated when deselecting an item.