class ResourceObjectNormalizerCacherTest

class ResourceObjectNormalizerCacherTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'serialization',
        'jsonapi',
        'user',
    ];
    
    /**
     * The JSON:API resource type repository.
     *
     * @var \Drupal\jsonapi\ResourceType\ResourceTypeRepositoryInterface
     */
    protected $resourceTypeRepository;
    
    /**
     * The JSON:API serializer.
     *
     * @var \Drupal\jsonapi\Serializer\Serializer
     */
    protected $serializer;
    
    /**
     * The object under test.
     *
     * @var \Drupal\jsonapi\EventSubscriber\ResourceObjectNormalizationCacher
     */
    protected $cacher;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->resourceTypeRepository = $this->container
            ->get('jsonapi.resource_type.repository');
        $this->serializer = $this->container
            ->get('jsonapi.serializer');
        $this->cacher = $this->container
            ->get('jsonapi.normalization_cacher');
    }
    
    /**
     * Tests that link normalization cache information is not lost.
     *
     * @see https://www.drupal.org/project/drupal/issues/3077287
     */
    public function testLinkNormalizationCacheability() {
        $user = User::create([
            'name' => $this->randomMachineName(),
            'pass' => $this->randomString(),
        ]);
        $resource_type = $this->resourceTypeRepository
            ->get($user->getEntityTypeId(), $user->bundle());
        $resource_object = ResourceObject::createFromEntity($resource_type, $user);
        $cache_tag_to_invalidate = 'link_normalization';
        $normalized_links = $this->serializer
            ->normalize($resource_object->getLinks(), 'api_json')
            ->withCacheableDependency((new CacheableMetadata())->addCacheTags([
            $cache_tag_to_invalidate,
        ]));
        assert($normalized_links instanceof CacheableNormalization);
        $normalization_parts = [
            ResourceObjectNormalizationCacher::RESOURCE_CACHE_SUBSET_BASE => [
                'type' => CacheableNormalization::permanent($resource_object->getTypeName()),
                'id' => CacheableNormalization::permanent($resource_object->getId()),
                'links' => $normalized_links,
            ],
            ResourceObjectNormalizationCacher::RESOURCE_CACHE_SUBSET_FIELDS => [],
        ];
        $this->cacher
            ->saveOnTerminate($resource_object, $normalization_parts);
        $event = $this->prophesize(PostResponseEvent::class);
        $this->cacher
            ->onTerminate($event->reveal());
        $this->assertNotFalse((bool) $this->cacher
            ->get($resource_object));
        Cache::invalidateTags([
            $cache_tag_to_invalidate,
        ]);
        $this->assertFalse((bool) $this->cacher
            ->get($resource_object));
    }

}