function CKEditor5Test::testJsAlterHook

Test the js_alter hook alters when expected.

@legacy-covers \Drupal\ckeditor5\Hook\Ckeditor5Hooks::jsAlter

File

core/modules/ckeditor5/tests/src/Unit/CKEditor5Test.php, line 122

Class

CKEditor5Test

Tests Drupal\ckeditor5\Plugin\Editor\CKEditor5.

Namespace

Code

public function testJsAlterHook() : void {
  $placeholder_file = 'core/assets/vendor/ckeditor5/translation.js';
  $language_mapper = $this->createMock(LanguageMapper::class);
  $language_mapper->expects($this->any())
    ->method('getMapping')
    ->willReturn('en');
  $hooks = new Ckeditor5Hooks($language_mapper);
  $assets = new AttachedAssets();
  $assets->setLibraries([
    'core/ckeditor5.translations',
    'core/ckeditor5.translations.en',
  ]);
  $language = new Language([
    'id' => 'en',
    'name' => 'English',
    'direction' => 'ltr',
  ]);
  $original_javascript = [
    'keep_this' => [
      'ckeditor5_langcode' => 'en',
    ],
    'remove_this' => [
      'ckeditor5_langcode' => 'sv',
    ],
    'keep_this_too' => [],
  ];
  $expected_javascript = [
    'keep_this' => [
      'ckeditor5_langcode' => 'en',
      'weight' => 5,
    ],
    'keep_this_too' => [],
  ];
  $container = new ContainerBuilder();
  $module_handler = $this->prophesize(ModuleHandlerInterface::class);
  $module_handler->moduleExists('locale')
    ->willReturn(TRUE);
  $container->set('module_handler', $module_handler->reveal());
  \Drupal::setContainer($container);
  // First check that it filters when the placeholder script is present.
  $javascript = $original_javascript + [
    $placeholder_file => [
      'weight' => 5,
    ],
  ];
  $hooks->jsAlter($javascript, $assets, $language);
  $this->assertEquals($expected_javascript, $javascript);
  // Next check it still filters if the placeholder script has already been
  // loaded and is now excluded from the list, such as an AJAX operation
  // loading a new format which uses another set of plugins.
  $assets = new AttachedAssets();
  $assets->setLibraries([
    'core/ckeditor5.translations.en',
  ]);
  $assets->setAlreadyLoadedLibraries([
    'core/ckeditor5.translations',
  ]);
  $javascript = $original_javascript;
  $hooks->jsAlter($javascript, $assets, $language);
  // There was no placeholder to get the weight from.
  $expected_javascript['keep_this']['weight'] = 0;
  $this->assertEquals($expected_javascript, $javascript);
}