class Stable9TemplateOverrideTest

class Stable9TemplateOverrideTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'system',
    'user',
  ];
  
  /**
   * An array of template names to skip, without the extension.
   *
   * @var string[]
   */
  protected $templatesToSkip = [
    // This is an internal template. See the file docblock.
'ckeditor5-settings-toolbar',
    // Registered as a template in the views_theme() function in views.module
    // but an actual template does not exist.
'views-form-views-form',
  ];
  
  /**
   * The theme handler.
   *
   * @var \Drupal\Core\Extension\ThemeHandlerInterface
   */
  protected $themeHandler;
  
  /**
   * A list of all core modules.
   *
   * @var string[]
   */
  protected $allModules;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->themeHandler = $this->container
      ->get('theme_handler');
    $this->container
      ->get('theme_installer')
      ->install([
      'stable9',
    ]);
    $this->installAllModules();
  }
  
  /**
   * Installs all core modules.
   */
  protected function installAllModules() {
    // Enable all core modules.
    $all_modules = $this->container
      ->get('extension.list.module')
      ->getList();
    $all_modules = array_filter($all_modules, function ($module) {
      // Filter contrib, hidden, experimental, already enabled modules, and
      // modules in the Testing package.
      if ($module->origin !== 'core' || !empty($module->info['hidden']) || $module->status == TRUE || $module->info['package'] == 'Testing' || $module->info[ExtensionLifecycle::LIFECYCLE_IDENTIFIER] === ExtensionLifecycle::EXPERIMENTAL || $module->info[ExtensionLifecycle::LIFECYCLE_IDENTIFIER] === ExtensionLifecycle::DEPRECATED) {
        return FALSE;
      }
      return TRUE;
    });
    $this->allModules = array_keys($all_modules);
    sort($this->allModules);
    $module_installer = $this->container
      ->get('module_installer');
    $module_installer->install($this->allModules);
    $this->installConfig([
      'system',
      'user',
    ]);
  }
  
  /**
   * Ensures that Stable 9 overrides all relevant core templates.
   */
  public function testStable9TemplateOverrides() {
    $registry = new Registry($this->root, \Drupal::cache(), \Drupal::lock(), \Drupal::moduleHandler(), $this->themeHandler, \Drupal::service('theme.initialization'), \Drupal::service('cache.bootstrap'), \Drupal::service('extension.list.module'), 'stable9');
    $registry->setThemeManager(\Drupal::theme());
    $registry_full = $registry->get();
    foreach ($registry_full as $hook => $info) {
      if (isset($info['template'])) {
        // Allow skipping templates.
        if (in_array($info['template'], $this->templatesToSkip)) {
          continue;
        }
        $this->assertEquals('core/themes/stable9', $info['theme path'], $info['template'] . '.html.twig overridden in Stable 9.');
      }
    }
  }

}