Chris@4: <?php
Chris@4: 
Chris@4: namespace Drupal\KernelTests;
Chris@4: 
Chris@4: use Drupal\Core\DependencyInjection\ContainerBuilder;
Chris@4: use Drupal\Core\DependencyInjection\ServiceModifierInterface;
Chris@4: use Drupal\Core\DependencyInjection\ServiceProviderInterface;
Chris@4: use Symfony\Component\DependencyInjection\Definition;
Chris@4: 
Chris@4: /**
Chris@4:  * Provides special routing services for tests.
Chris@4:  */
Chris@4: class TestServiceProvider implements ServiceProviderInterface, ServiceModifierInterface {
Chris@4: 
Chris@4:   /**
Chris@4:    * @var \Drupal\simpletest\TestBase
Chris@4:    */
Chris@4:   public static $currentTest;
Chris@4: 
Chris@4:   /**
Chris@4:    * {@inheritdoc}
Chris@4:    */
Chris@4:   public function register(ContainerBuilder $container) {
Chris@4:     if (static::$currentTest && method_exists(static::$currentTest, 'containerBuild')) {
Chris@4:       static::$currentTest->containerBuild($container);
Chris@4:     }
Chris@4:   }
Chris@4: 
Chris@4:   /**
Chris@4:    * {@inheritdoc}
Chris@4:    */
Chris@4:   public function alter(ContainerBuilder $container) {
Chris@4:     if (static::$currentTest instanceof KernelTestBase) {
Chris@4:       static::addRouteProvider($container);
Chris@4:     }
Chris@4:   }
Chris@4: 
Chris@4:   /**
Chris@4:    * Add the on demand rebuild route provider service.
Chris@4:    *
Chris@4:    * @param \Drupal\Core\DependencyInjection\ContainerBuilder $container
Chris@4:    */
Chris@4:   public static function addRouteProvider(ContainerBuilder $container) {
Chris@4:     $route_provider_service_name = 'router.route_provider';
Chris@4:     // While $container->get() does a recursive resolve, getDefinition() does
Chris@4:     // not, so do it ourselves.
Chris@4:     $id = $route_provider_service_name;
Chris@4:     while ($container->hasAlias($id)) {
Chris@4:       $id = (string) $container->getAlias($id);
Chris@4:     }
Chris@4:     $definition = $container->getDefinition($id);
Chris@4:     $definition->clearTag('needs_destruction');
Chris@4:     $container->setDefinition("simpletest.$route_provider_service_name", $definition);
Chris@4:     $container->setDefinition($id, new Definition(RouteProvider::class));
Chris@4:   }
Chris@4: 
Chris@4: }