public function AttachedAssetsTest::testLibraryAlter in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Asset/AttachedAssetsTest.php \Drupal\KernelTests\Core\Asset\AttachedAssetsTest::testLibraryAlter()

Adds a JavaScript library to the page and alters it.

See also

common_test_library_info_alter()

File

core/tests/Drupal/KernelTests/Core/Asset/AttachedAssetsTest.php, line 421

Class

AttachedAssetsTest

Tests #attached assets: attached asset libraries and JavaScript settings.

Namespace

Drupal\KernelTests\Core\Asset

Code

public function testLibraryAlter() {

  // Verify that common_test altered the title of Farbtastic.

  /** @var \Drupal\Core\Asset\LibraryDiscoveryInterface $library_discovery */
  $library_discovery = \Drupal::service('library.discovery');
  $library = $library_discovery
    ->getLibraryByName('core', 'jquery.farbtastic');
  $this
    ->assertEquals('0.0', $library['version'], 'Registered libraries were altered.');

  // common_test_library_info_alter() also added a dependency on jQuery Form.
  $build['#attached']['library'][] = 'core/jquery.farbtastic';
  $assets = AttachedAssets::createFromRenderArray($build);
  $js = $this->assetResolver
    ->getJsAssets($assets, FALSE)[1];
  $js_render_array = \Drupal::service('asset.js.collection_renderer')
    ->render($js);
  $rendered_js = $this->renderer
    ->renderPlain($js_render_array);
  $this
    ->assertStringContainsString('core/assets/vendor/jquery-form/jquery.form.min.js', (string) $rendered_js, 'Altered library dependencies are added to the page.');
}