function LibraryDiscoveryIntegrationTest::testLibrariesOverridesMultiple

Tests libraries overrides with multiple parent themes.

File

core/tests/Drupal/KernelTests/Core/Asset/LibraryDiscoveryIntegrationTest.php, line 135

Class

LibraryDiscoveryIntegrationTest

Tests the library discovery and library discovery parser.

Namespace

Code

public function testLibrariesOverridesMultiple() : void {
  /** @var \Drupal\Core\Extension\ThemeInstallerInterface $theme_installer */
  $theme_installer = $this->container
    ->get('theme_installer');
  $theme_installer->install([
    'test_basetheme',
  ]);
  $theme_installer->install([
    'test_subtheme',
  ]);
  $theme_installer->install([
    'test_subsubtheme',
  ]);
  /** @var \Drupal\Core\Theme\ThemeInitializationInterface $theme_initializer */
  $theme_initializer = $this->container
    ->get('theme.initialization');
  $active_theme = $theme_initializer->initTheme('test_subsubtheme');
  $libraries_override = $active_theme->getLibrariesOverride();
  $expected_order = [
    'core/modules/system/tests/themes/test_basetheme',
    'core/modules/system/tests/themes/test_subtheme',
    'core/modules/system/tests/themes/test_subsubtheme',
  ];
  $this->assertEquals($expected_order, array_keys($libraries_override));
}