RecipeEventsTest.php

<?php

declare (strict_types=1);
namespace Drupal\KernelTests\Core\Recipe;

use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\Core\Recipe\Recipe;
use Drupal\Core\Recipe\RecipeAppliedEvent;
use Drupal\Core\Recipe\RecipeRunner;
use Drupal\KernelTests\KernelTestBase;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * @group Recipe
 */
class RecipeEventsTest extends KernelTestBase implements EventSubscriberInterface {
  
  /**
   * The human-readable names of the recipes that have been applied.
   *
   * @var string[]
   */
  private array $recipesApplied = [];
  
  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() : array {
    return [
      RecipeAppliedEvent::class => 'onRecipeApply',
    ];
  }
  public function onRecipeApply(RecipeAppliedEvent $event) : void {
    $this->recipesApplied[] = $event->recipe->name;
  }
  
  /**
   * {@inheritdoc}
   */
  public function register(ContainerBuilder $container) : void {
    parent::register($container);
    // Every time the container is rebuilt, ensure this object is subscribing to
    // events.
    $container->getDefinition('event_dispatcher')
      ->addMethodCall('addSubscriber', [
      $this,
    ]);
  }
  public function testRecipeAppliedEvent() : void {
    $recipe = Recipe::createFromDirectory('core/tests/fixtures/recipes/recipe_include');
    RecipeRunner::processRecipe($recipe);
    $this->assertSame([
      'Install node with config',
      'Recipe include',
    ], $this->recipesApplied);
  }

}