class CKEditorPluginManagerTest

class CKEditorPluginManagerTest extends DrupalUnitTestBase {

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = array(
    'system',
    'editor',
    'ckeditor',
  );

  /**
   * The manager for "CKEditor plugin" plugins.
   *
   * @var \Drupal\Component\Plugin\PluginManagerInterface
   */
  protected $manager;
  public static function getInfo() {
    return array(
      'name' => 'CKEditor plugin manager',
      'description' => 'Tests different ways of enabling CKEditor plugins.',
      'group' => 'CKEditor',
    );
  }
  function setUp() {
    parent::setUp();

    // Install the Filter module.
    $this
      ->installSchema('system', 'url_alias');
    $this
      ->enableModules(array(
      'user',
      'filter',
    ));

    // Create text format, associate CKEditor.
    $filtered_html_format = entity_create('filter_format', array(
      'format' => 'filtered_html',
      'name' => 'Filtered HTML',
      'weight' => 0,
      'filters' => array(),
    ));
    $filtered_html_format
      ->save();
    $editor = entity_create('editor', array(
      'format' => 'filtered_html',
      'editor' => 'ckeditor',
    ));
    $editor
      ->save();
  }

  /**
   * Tests the enabling of plugins.
   */
  function testEnabledPlugins() {
    $this->manager = $this->container
      ->get('plugin.manager.ckeditor.plugin');
    $editor = entity_load('editor', 'filtered_html');

    // Case 1: no CKEditor plugins.
    $definitions = array_keys($this->manager
      ->getDefinitions());
    sort($definitions);
    $this
      ->assertIdentical(array(
      'internal',
      'stylescombo',
    ), $definitions, 'No CKEditor plugins found besides the built-in ones.');
    $this
      ->assertIdentical(array(), $this->manager
      ->getEnabledPlugins($editor), 'Only built-in plugins are enabled.');
    $this
      ->assertIdentical(array(
      'internal' => NULL,
    ), $this->manager
      ->getEnabledPlugins($editor, TRUE), 'Only the "internal" plugin is enabled.');

    // Enable the CKEditor Test module, which has the Llama plugin (plus three
    // variations of it, to cover all possible ways a plugin can be enabled) and
    // clear the editor manager's cache so it is picked up.
    $this
      ->enableModules(array(
      'ckeditor_test',
    ));
    $this->manager
      ->clearCachedDefinitions();

    // Case 2: CKEditor plugins are available.
    $plugin_ids = array_keys($this->manager
      ->getDefinitions());
    sort($plugin_ids);
    $this
      ->assertIdentical(array(
      'internal',
      'llama',
      'llama_button',
      'llama_contextual',
      'llama_contextual_and_button',
      'stylescombo',
    ), $plugin_ids, 'Additional CKEditor plugins found.');
    $this
      ->assertIdentical(array(), $this->manager
      ->getEnabledPlugins($editor), 'Only the internal plugins are enabled.');
    $this
      ->assertIdentical(array(
      'internal' => NULL,
    ), $this->manager
      ->getEnabledPlugins($editor, TRUE), 'Only the "internal" plugin is enabled.');

    // Case 3: enable each of the newly available plugins, if possible:
    // a. Llama: cannot be enabled, since it does not implement
    //    CKEditorPluginContextualInterface nor CKEditorPluginButtonsInterface.
    // b. LlamaContextual: enabled by adding the 'Strike' button, which is
    //    part of another plugin!
    // c. LlamaButton: automatically enabled by adding its 'Llama' button.
    // d. LlamaContextualAndButton: enabled by either b or c.
    // Below, we will first enable the "Llama" button, which will cause the
    // LlamaButton and LlamaContextualAndButton plugins to be enabled. Then we
    // will remove the "Llama" button and add the "Strike" button, which will
    // cause the LlamaContextual and LlamaContextualAndButton plugins to be
    // enabled. Finally, we will add the "Strike" button back again, which would
    // cause all three plugins to be enabled.
    $original_toolbar = $editor->settings['toolbar']['buttons'][0];
    $editor->settings['toolbar']['buttons'][0][] = 'Llama';
    $editor
      ->save();
    $file = array();
    $file['b'] = 'core/modules/ckeditor/tests/modules/js/llama_button.js';
    $file['c'] = 'core/modules/ckeditor/tests/modules/js/llama_contextual.js';
    $file['cb'] = 'core/modules/ckeditor/tests/modules/js/llama_contextual_and_button.js';
    $expected = array(
      'llama_button' => $file['b'],
      'llama_contextual_and_button' => $file['cb'],
    );
    $this
      ->assertIdentical($expected, $this->manager
      ->getEnabledPlugins($editor), 'The LlamaButton and LlamaContextualAndButton plugins are enabled.');
    $this
      ->assertIdentical(array(
      'internal' => NULL,
    ) + $expected, $this->manager
      ->getEnabledPlugins($editor, TRUE), 'The LlamaButton and LlamaContextualAndButton plugins are enabled.');
    $editor->settings['toolbar']['buttons'][0] = $original_toolbar;
    $editor->settings['toolbar']['buttons'][0][] = 'Strike';
    $editor
      ->save();
    $expected = array(
      'llama_contextual' => $file['c'],
      'llama_contextual_and_button' => $file['cb'],
    );
    $this
      ->assertIdentical($expected, $this->manager
      ->getEnabledPlugins($editor), 'The  LLamaContextual and LlamaContextualAndButton plugins are enabled.');
    $this
      ->assertIdentical(array(
      'internal' => NULL,
    ) + $expected, $this->manager
      ->getEnabledPlugins($editor, TRUE), 'The LlamaContextual and LlamaContextualAndButton plugins are enabled.');
    $editor->settings['toolbar']['buttons'][0][] = 'Llama';
    $editor
      ->save();
    $expected = array(
      'llama_button' => $file['b'],
      'llama_contextual' => $file['c'],
      'llama_contextual_and_button' => $file['cb'],
    );
    $this
      ->assertIdentical($expected, $this->manager
      ->getEnabledPlugins($editor), 'The LlamaButton, LlamaContextual and LlamaContextualAndButton plugins are enabled.');
    $this
      ->assertIdentical(array(
      'internal' => NULL,
    ) + $expected, $this->manager
      ->getEnabledPlugins($editor, TRUE), 'The LLamaButton, LlamaContextual and LlamaContextualAndButton plugins are enabled.');
  }

}