listOptions example

/** * Tests the configurable text editor manager. */
  public function testManager() {
    $this->editorManager = $this->container->get('plugin.manager.editor');

    // Case 1: no text editor available:     // - listOptions() should return an empty list of options     // - getAttachments() should return an empty #attachments array (and not     // a JS settings structure that is empty)     $this->assertSame([], $this->editorManager->listOptions(), 'When no text editor is enabled, the manager works correctly.');
    $this->assertSame([], $this->editorManager->getAttachments([]), 'No attachments when no text editor is enabled and retrieving attachments for zero text formats.');
    $this->assertSame([], $this->editorManager->getAttachments(['filtered_html', 'full_html']), 'No attachments when no text editor is enabled and retrieving attachments for multiple text formats.');

    // Enable the Text Editor Test module, which has the Unicorn Editor and     // clear the editor manager's cache so it is picked up.     $this->enableModules(['editor_test']);
    $this->editorManager = $this->container->get('plugin.manager.editor');
    $this->editorManager->clearCachedDefinitions();

    // Case 2: a text editor available.     $this->assertSame('Unicorn Editor', (string) $this->editorManager->listOptions()['unicorn'], 'When some text editor is enabled, the manager works correctly.');