ckeditor5-1.0.x-dev/tests/src/FunctionalJavascript/CKEditor5ContribTest.php

<?php

namespace Drupal\Tests\ckeditor5\FunctionalJavascript;

/**
 * Tests for CKEditor5 to ensure contrib can extend functionality.
 *
 * @group ckeditor5
 */
class CKEditor5ContribTest extends CKEditor5TestBase {

  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'node',
    'ckeditor5',
    'ckeditor5_test',
  ];

  /**
   * Tests that the contrib plugin is added to the CKEditor5 toolbar.
   */
  public function testContribPluginAdded() {
    $page = $this->getSession()->getPage();
    $assert_session = $this->assertSession();

    $this->createNewTextFormat($page, $assert_session);
    // Press arrow down key to add the button to the active toolbar.
    $this->assertNotEmpty($assert_session->waitForElement('css', '.ckeditor5-toolbar-item-simpleBox'));
    $this->triggerKeyUp('.ckeditor5-toolbar-item-simpleBox', 'ArrowDown');
    $this->saveNewTextFormat($page, $assert_session);

    $this->drupalGet('node/add');
    // The toolbar UI should have a button with text instead of an icon.
    $this->assertNotEmpty($assert_session->waitForText('Simple box'));
  }

}