JsonApiDocumentTopLevelNormalizerTest.php in Drupal 8

Namespace

Drupal\Tests\jsonapi\Kernel\Normalizer

File

core/modules/jsonapi/tests/src/Kernel/Normalizer/JsonApiDocumentTopLevelNormalizerTest.php

<?php

namespace Drupal\Tests\jsonapi\Kernel\Normalizer;

use Drupal\Component\Serialization\Json;
use Drupal\Core\Cache\Cache;
use Drupal\Core\Cache\CacheableMetadata;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Core\Url;
use Drupal\file\Entity\File;
use Drupal\jsonapi\JsonApiResource\ErrorCollection;
use Drupal\jsonapi\JsonApiResource\LinkCollection;
use Drupal\jsonapi\JsonApiResource\NullIncludedData;
use Drupal\jsonapi\JsonApiResource\ResourceObject;
use Drupal\jsonapi\JsonApiResource\JsonApiDocumentTopLevel;
use Drupal\jsonapi\JsonApiResource\ResourceObjectData;
use Drupal\node\Entity\Node;
use Drupal\node\Entity\NodeType;
use Drupal\taxonomy\Entity\Term;
use Drupal\taxonomy\Entity\Vocabulary;
use Drupal\Tests\image\Kernel\ImageFieldCreationTrait;
use Drupal\Tests\jsonapi\Kernel\JsonapiKernelTestBase;
use Drupal\user\Entity\Role;
use Drupal\user\Entity\User;
use Drupal\user\RoleInterface;
use Symfony\Component\HttpFoundation\ParameterBag;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

/**
 * @coversDefaultClass \Drupal\jsonapi\Normalizer\JsonApiDocumentTopLevelNormalizer
 * @group jsonapi
 *
 * @internal
 */
class JsonApiDocumentTopLevelNormalizerTest extends JsonapiKernelTestBase {
  use ImageFieldCreationTrait;

  /**
   * {@inheritdoc}
   */
  public static $modules = [
    'jsonapi',
    'field',
    'node',
    'serialization',
    'system',
    'taxonomy',
    'text',
    'filter',
    'user',
    'file',
    'image',
    'jsonapi_test_normalizers_kernel',
  ];

  /**
   * A node to normalize.
   *
   * @var \Drupal\Core\Entity\EntityInterface
   */
  protected $node;

  /**
   * A user to normalize.
   *
   * @var \Drupal\user\Entity\User
   */
  protected $user;

  /**
   * The include resolver.
   *
   * @var \Drupal\jsonapi\IncludeResolver
   */
  protected $includeResolver;

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();

    // Add the entity schemas.
    $this
      ->installEntitySchema('node');
    $this
      ->installEntitySchema('user');
    $this
      ->installEntitySchema('taxonomy_term');
    $this
      ->installEntitySchema('file');

    // Add the additional table schemas.
    $this
      ->installSchema('system', [
      'sequences',
    ]);
    $this
      ->installSchema('node', [
      'node_access',
    ]);
    $this
      ->installSchema('user', [
      'users_data',
    ]);
    $this
      ->installSchema('file', [
      'file_usage',
    ]);
    $type = NodeType::create([
      'type' => 'article',
    ]);
    $type
      ->save();
    $this
      ->createEntityReferenceField('node', 'article', 'field_tags', 'Tags', 'taxonomy_term', 'default', [
      'target_bundles' => [
        'tags',
      ],
    ], FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
    $this
      ->createTextField('node', 'article', 'body', 'Body');
    $this
      ->createImageField('field_image', 'article');
    $this->user = User::create([
      'name' => 'user1',
      'mail' => 'user@localhost',
    ]);
    $this->user2 = User::create([
      'name' => 'user2',
      'mail' => 'user2@localhost',
    ]);
    $this->user
      ->save();
    $this->user2
      ->save();
    $this->vocabulary = Vocabulary::create([
      'name' => 'Tags',
      'vid' => 'tags',
    ]);
    $this->vocabulary
      ->save();
    $this->term1 = Term::create([
      'name' => 'term1',
      'vid' => $this->vocabulary
        ->id(),
    ]);
    $this->term2 = Term::create([
      'name' => 'term2',
      'vid' => $this->vocabulary
        ->id(),
    ]);
    $this->term1
      ->save();
    $this->term2
      ->save();
    $this->file = File::create([
      'uri' => 'public://example.png',
      'filename' => 'example.png',
    ]);
    $this->file
      ->save();
    $this->node = Node::create([
      'title' => 'dummy_title',
      'type' => 'article',
      'uid' => 1,
      'body' => [
        'format' => 'plain_text',
        'value' => $this
          ->randomStringValidate(42),
      ],
      'field_tags' => [
        [
          'target_id' => $this->term1
            ->id(),
        ],
        [
          'target_id' => $this->term2
            ->id(),
        ],
      ],
      'field_image' => [
        [
          'target_id' => $this->file
            ->id(),
          'alt' => 'test alt',
          'title' => 'test title',
          'width' => 10,
          'height' => 11,
        ],
      ],
    ]);
    $this->node
      ->save();
    $this->nodeType = NodeType::load('article');
    Role::create([
      'id' => RoleInterface::ANONYMOUS_ID,
      'permissions' => [
        'access content',
      ],
    ])
      ->save();
    $this->includeResolver = $this->container
      ->get('jsonapi.include_resolver');
  }

  /**
   * {@inheritdoc}
   */
  public function tearDown() {
    if ($this->node) {
      $this->node
        ->delete();
    }
    if ($this->term1) {
      $this->term1
        ->delete();
    }
    if ($this->term2) {
      $this->term2
        ->delete();
    }
    if ($this->vocabulary) {
      $this->vocabulary
        ->delete();
    }
    if ($this->user) {
      $this->user
        ->delete();
    }
    if ($this->user2) {
      $this->user2
        ->delete();
    }
  }

  /**
   * @covers ::normalize
   */
  public function testNormalize() {
    list($request, $resource_type) = $this
      ->generateProphecies('node', 'article');
    $resource_object = ResourceObject::createFromEntity($resource_type, $this->node);
    $includes = $this->includeResolver
      ->resolve($resource_object, 'uid,field_tags,field_image');
    $jsonapi_doc_object = $this
      ->getNormalizer()
      ->normalize(new JsonApiDocumentTopLevel(new ResourceObjectData([
      $resource_object,
    ], 1), $includes, new LinkCollection([])), 'api_json', [
      'resource_type' => $resource_type,
      'account' => NULL,
      'sparse_fieldset' => [
        'node--article' => [
          'title',
          'node_type',
          'uid',
          'field_tags',
          'field_image',
        ],
        'user--user' => [
          'display_name',
        ],
      ],
      'include' => [
        'uid',
        'field_tags',
        'field_image',
      ],
    ]);
    $normalized = $jsonapi_doc_object
      ->getNormalization();

    // @see http://jsonapi.org/format/#document-jsonapi-object
    $this
      ->assertEquals($normalized['jsonapi']['version'], '1.0');
    $this
      ->assertEquals($normalized['jsonapi']['meta']['links']['self']['href'], 'http://jsonapi.org/format/1.0/');
    $this
      ->assertSame($normalized['data']['attributes']['title'], 'dummy_title');
    $this
      ->assertEquals($normalized['data']['id'], $this->node
      ->uuid());
    $this
      ->assertSame([
      'data' => [
        'type' => 'node_type--node_type',
        'id' => NodeType::load('article')
          ->uuid(),
      ],
      'links' => [
        'related' => [
          'href' => Url::fromUri('internal:/jsonapi/node/article/' . $this->node
            ->uuid() . '/node_type', [
            'query' => [
              'resourceVersion' => 'id:' . $this->node
                ->getRevisionId(),
            ],
          ])
            ->setAbsolute()
            ->toString(TRUE)
            ->getGeneratedUrl(),
        ],
        'self' => [
          'href' => Url::fromUri('internal:/jsonapi/node/article/' . $this->node
            ->uuid() . '/relationships/node_type', [
            'query' => [
              'resourceVersion' => 'id:' . $this->node
                ->getRevisionId(),
            ],
          ])
            ->setAbsolute()
            ->toString(TRUE)
            ->getGeneratedUrl(),
        ],
      ],
    ], $normalized['data']['relationships']['node_type']);
    $this
      ->assertTrue(!isset($normalized['data']['attributes']['created']));
    $this
      ->assertEquals([
      'alt' => 'test alt',
      'title' => 'test title',
      'width' => 10,
      'height' => 11,
    ], $normalized['data']['relationships']['field_image']['data']['meta']);
    $this
      ->assertSame('node--article', $normalized['data']['type']);
    $this
      ->assertEquals([
      'data' => [
        'type' => 'user--user',
        'id' => $this->user
          ->uuid(),
      ],
      'links' => [
        'self' => [
          'href' => Url::fromUri('internal:/jsonapi/node/article/' . $this->node
            ->uuid() . '/relationships/uid', [
            'query' => [
              'resourceVersion' => 'id:' . $this->node
                ->getRevisionId(),
            ],
          ])
            ->setAbsolute()
            ->toString(TRUE)
            ->getGeneratedUrl(),
        ],
        'related' => [
          'href' => Url::fromUri('internal:/jsonapi/node/article/' . $this->node
            ->uuid() . '/uid', [
            'query' => [
              'resourceVersion' => 'id:' . $this->node
                ->getRevisionId(),
            ],
          ])
            ->setAbsolute()
            ->toString(TRUE)
            ->getGeneratedUrl(),
        ],
      ],
    ], $normalized['data']['relationships']['uid']);
    $this
      ->assertTrue(empty($normalized['meta']['omitted']));
    $this
      ->assertSame($this->user
      ->uuid(), $normalized['included'][0]['id']);
    $this
      ->assertSame('user--user', $normalized['included'][0]['type']);
    $this
      ->assertSame('user1', $normalized['included'][0]['attributes']['display_name']);
    $this
      ->assertCount(1, $normalized['included'][0]['attributes']);
    $this
      ->assertSame($this->term1
      ->uuid(), $normalized['included'][1]['id']);
    $this
      ->assertSame('taxonomy_term--tags', $normalized['included'][1]['type']);
    $this
      ->assertSame($this->term1
      ->label(), $normalized['included'][1]['attributes']['name']);
    $this
      ->assertCount(12, $normalized['included'][1]['attributes']);
    $this
      ->assertTrue(!isset($normalized['included'][1]['attributes']['created']));

    // Make sure that the cache tags for the includes and the requested entities
    // are bubbling as expected.
    $this
      ->assertArraySubset([
      'file:1',
      'node:1',
      'taxonomy_term:1',
      'taxonomy_term:2',
      'user:1',
    ], $jsonapi_doc_object
      ->getCacheTags());
    $this
      ->assertSame(Cache::PERMANENT, $jsonapi_doc_object
      ->getCacheMaxAge());
  }

  /**
   * @covers ::normalize
   */
  public function testNormalizeRelated() {
    $this
      ->markTestIncomplete('This fails and should be fixed by https://www.drupal.org/project/drupal/issues/2922121');
    list($request, $resource_type) = $this
      ->generateProphecies('node', 'article', 'uid');
    $request->query = new ParameterBag([
      'fields' => [
        'user--user' => 'name,roles',
      ],
      'include' => 'roles',
    ]);
    $document_wrapper = $this
      ->prophesize(JsonApiDocumentTopLevel::class);
    $author = $this->node
      ->get('uid')->entity;
    $document_wrapper
      ->getData()
      ->willReturn($author);
    $jsonapi_doc_object = $this
      ->getNormalizer()
      ->normalize($document_wrapper
      ->reveal(), 'api_json', [
      'resource_type' => $resource_type,
      'account' => NULL,
    ]);
    $normalized = $jsonapi_doc_object
      ->getNormalization();
    $this
      ->assertSame($normalized['data']['attributes']['name'], 'user1');
    $this
      ->assertEquals($normalized['data']['id'], User::load(1)
      ->uuid());
    $this
      ->assertEquals($normalized['data']['type'], 'user--user');

    // Make sure that the cache tags for the includes and the requested entities
    // are bubbling as expected.
    $this
      ->assertSame([
      'user:1',
    ], $jsonapi_doc_object
      ->getCacheTags());
    $this
      ->assertSame(Cache::PERMANENT, $jsonapi_doc_object
      ->getCacheMaxAge());
  }

  /**
   * @covers ::normalize
   */
  public function testNormalizeUuid() {
    list($request, $resource_type) = $this
      ->generateProphecies('node', 'article', 'uuid');
    $resource_object = ResourceObject::createFromEntity($resource_type, $this->node);
    $include_param = 'uid,field_tags';
    $includes = $this->includeResolver
      ->resolve($resource_object, $include_param);
    $document_wrapper = new JsonApiDocumentTopLevel(new ResourceObjectData([
      $resource_object,
    ], 1), $includes, new LinkCollection([]));
    $request->query = new ParameterBag([
      'fields' => [
        'node--article' => 'title,node_type,uid,field_tags',
        'user--user' => 'name',
      ],
      'include' => $include_param,
    ]);
    $jsonapi_doc_object = $this
      ->getNormalizer()
      ->normalize($document_wrapper, 'api_json', [
      'resource_type' => $resource_type,
      'account' => NULL,
      'include' => [
        'uid',
        'field_tags',
      ],
    ]);
    $normalized = $jsonapi_doc_object
      ->getNormalization();
    $this
      ->assertStringMatchesFormat($this->node
      ->uuid(), $normalized['data']['id']);
    $this
      ->assertEquals($this->node->type->entity
      ->uuid(), $normalized['data']['relationships']['node_type']['data']['id']);
    $this
      ->assertEquals($this->user
      ->uuid(), $normalized['data']['relationships']['uid']['data']['id']);
    $this
      ->assertFalse(empty($normalized['included'][0]['id']));
    $this
      ->assertTrue(empty($normalized['meta']['omitted']));
    $this
      ->assertEquals($this->user
      ->uuid(), $normalized['included'][0]['id']);
    $this
      ->assertCount(1, $normalized['included'][0]['attributes']);
    $this
      ->assertCount(12, $normalized['included'][1]['attributes']);

    // Make sure that the cache tags for the includes and the requested entities
    // are bubbling as expected.
    $this
      ->assertArraySubset([
      'node:1',
      'taxonomy_term:1',
      'taxonomy_term:2',
      'user:1',
    ], $jsonapi_doc_object
      ->getCacheTags());
  }

  /**
   * @covers ::normalize
   */
  public function testNormalizeException() {
    $normalized = $this->container
      ->get('jsonapi.serializer')
      ->normalize(new JsonApiDocumentTopLevel(new ErrorCollection([
      new BadRequestHttpException('Lorem'),
    ]), new NullIncludedData(), new LinkCollection([])), 'api_json', [])
      ->getNormalization();
    $this
      ->assertNotEmpty($normalized['errors']);
    $this
      ->assertArrayNotHasKey('data', $normalized);
    $this
      ->assertEquals(400, $normalized['errors'][0]['status']);
    $this
      ->assertEquals('Lorem', $normalized['errors'][0]['detail']);
    $this
      ->assertEquals([
      'info' => [
        'href' => 'http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.1',
      ],
      'via' => [
        'href' => 'http://localhost/',
      ],
    ], $normalized['errors'][0]['links']);
  }

  /**
   * @covers ::normalize
   */
  public function testNormalizeConfig() {
    list($request, $resource_type) = $this
      ->generateProphecies('node_type', 'node_type', 'id');
    $resource_object = ResourceObject::createFromEntity($resource_type, $this->nodeType);
    $document_wrapper = new JsonApiDocumentTopLevel(new ResourceObjectData([
      $resource_object,
    ], 1), new NullIncludedData(), new LinkCollection([]));
    $jsonapi_doc_object = $this
      ->getNormalizer()
      ->normalize($document_wrapper, 'api_json', [
      'resource_type' => $resource_type,
      'account' => NULL,
      'sparse_fieldset' => [
        'node_type--node_type' => [
          'description',
          'display_submitted',
        ],
      ],
    ]);
    $normalized = $jsonapi_doc_object
      ->getNormalization();
    $this
      ->assertSame([
      'description',
      'display_submitted',
    ], array_keys($normalized['data']['attributes']));
    $this
      ->assertSame($normalized['data']['id'], NodeType::load('article')
      ->uuid());
    $this
      ->assertSame($normalized['data']['type'], 'node_type--node_type');

    // Make sure that the cache tags for the includes and the requested entities
    // are bubbling as expected.
    $this
      ->assertSame([
      'config:node.type.article',
    ], $jsonapi_doc_object
      ->getCacheTags());
  }

  /**
   * Try to POST a node and check if it exists afterwards.
   *
   * @covers ::denormalize
   */
  public function testDenormalize() {
    $payload = '{"data":{"type":"article","attributes":{"title":"Testing article"}}}';
    list($request, $resource_type) = $this
      ->generateProphecies('node', 'article', 'id');
    $node = $this
      ->getNormalizer()
      ->denormalize(Json::decode($payload), NULL, 'api_json', [
      'resource_type' => $resource_type,
    ]);
    $this
      ->assertInstanceOf(Node::class, $node);
    $this
      ->assertSame('Testing article', $node
      ->getTitle());
  }

  /**
   * Try to POST a node and check if it exists afterwards.
   *
   * @covers ::denormalize
   */
  public function testDenormalizeUuid() {
    $configurations = [
      // Good data.
      [
        [
          [
            $this->term2
              ->uuid(),
            $this->term1
              ->uuid(),
          ],
          $this->user2
            ->uuid(),
        ],
        [
          [
            $this->term2
              ->id(),
            $this->term1
              ->id(),
          ],
          $this->user2
            ->id(),
        ],
      ],
      // Good data, without any tags.
      [
        [
          [],
          $this->user2
            ->uuid(),
        ],
        [
          [],
          $this->user2
            ->id(),
        ],
      ],
      // Bad data in first tag.
      [
        [
          [
            'invalid-uuid',
            $this->term1
              ->uuid(),
          ],
          $this->user2
            ->uuid(),
        ],
        [
          [
            $this->term1
              ->id(),
          ],
          $this->user2
            ->id(),
        ],
        'taxonomy_term--tags:invalid-uuid',
      ],
      // Bad data in user and first tag.
      [
        [
          [
            'invalid-uuid',
            $this->term1
              ->uuid(),
          ],
          'also-invalid-uuid',
        ],
        [
          [
            $this->term1
              ->id(),
          ],
          NULL,
        ],
        'user--user:also-invalid-uuid',
      ],
    ];
    foreach ($configurations as $configuration) {
      list($payload_data, $expected) = $this
        ->denormalizeUuidProviderBuilder($configuration);
      $payload = Json::encode($payload_data);
      list($request, $resource_type) = $this
        ->generateProphecies('node', 'article');
      $this->container
        ->get('request_stack')
        ->push($request);
      try {
        $node = $this
          ->getNormalizer()
          ->denormalize(Json::decode($payload), NULL, 'api_json', [
          'resource_type' => $resource_type,
        ]);
      } catch (NotFoundHttpException $e) {
        $non_existing_resource_identifier = $configuration[2];
        $this
          ->assertEquals("The resource identified by `{$non_existing_resource_identifier}` (given as a relationship item) could not be found.", $e
          ->getMessage());
        continue;
      }

      /* @var \Drupal\node\Entity\Node $node */
      $this
        ->assertInstanceOf(Node::class, $node);
      $this
        ->assertSame('Testing article', $node
        ->getTitle());
      if (!empty($expected['user_id'])) {
        $owner = $node
          ->getOwner();
        $this
          ->assertEquals($expected['user_id'], $owner
          ->id());
      }
      $tags = $node
        ->get('field_tags')
        ->getValue();
      if (!empty($expected['tag_ids'][0])) {
        $this
          ->assertEquals($expected['tag_ids'][0], $tags[0]['target_id']);
      }
      else {
        $this
          ->assertArrayNotHasKey(0, $tags);
      }
      if (!empty($expected['tag_ids'][1])) {
        $this
          ->assertEquals($expected['tag_ids'][1], $tags[1]['target_id']);
      }
      else {
        $this
          ->assertArrayNotHasKey(1, $tags);
      }
    }
  }

  /**
   * Tests denormalization for related resources with missing or invalid types.
   */
  public function testDenormalizeInvalidTypeAndNoType() {
    $payload_data = [
      'data' => [
        'type' => 'node--article',
        'attributes' => [
          'title' => 'Testing article',
          'id' => '33095485-70D2-4E51-A309-535CC5BC0115',
        ],
        'relationships' => [
          'uid' => [
            'data' => [
              'type' => 'user--user',
              'id' => $this->user2
                ->uuid(),
            ],
          ],
          'field_tags' => [
            'data' => [
              [
                'type' => 'foobar',
                'id' => $this->term1
                  ->uuid(),
              ],
            ],
          ],
        ],
      ],
    ];

    // Test relationship member with invalid type.
    $payload = Json::encode($payload_data);
    list($request, $resource_type) = $this
      ->generateProphecies('node', 'article');
    $this->container
      ->get('request_stack')
      ->push($request);
    try {
      $this
        ->getNormalizer()
        ->denormalize(Json::decode($payload), NULL, 'api_json', [
        'resource_type' => $resource_type,
      ]);
      $this
        ->fail('No assertion thrown for invalid type');
    } catch (BadRequestHttpException $e) {
      $this
        ->assertEquals("Invalid type specified for related resource: 'foobar'", $e
        ->getMessage());
    }

    // Test relationship member with no type.
    unset($payload_data['data']['relationships']['field_tags']['data'][0]['type']);
    $payload = Json::encode($payload_data);
    list($request, $resource_type) = $this
      ->generateProphecies('node', 'article');
    $this->container
      ->get('request_stack')
      ->push($request);
    try {
      $this->container
        ->get('jsonapi_test_normalizers_kernel.jsonapi_document_toplevel')
        ->denormalize(Json::decode($payload), NULL, 'api_json', [
        'resource_type' => $resource_type,
      ]);
      $this
        ->fail('No assertion thrown for missing type');
    } catch (BadRequestHttpException $e) {
      $this
        ->assertEquals("No type specified for related resource", $e
        ->getMessage());
    }
  }

  /**
   * We cannot use a PHPUnit data provider because our data depends on $this.
   *
   * @param array $options
   *   Options for how to construct test data.
   *
   * @return array
   *   The test data.
   */
  protected function denormalizeUuidProviderBuilder(array $options) {
    list($input, $expected) = $options;
    list($input_tag_uuids, $input_user_uuid) = $input;
    list($expected_tag_ids, $expected_user_id) = $expected;
    $node = [
      [
        'data' => [
          'type' => 'node--article',
          'attributes' => [
            'title' => 'Testing article',
          ],
          'relationships' => [
            'uid' => [
              'data' => [
                'type' => 'user--user',
                'id' => $input_user_uuid,
              ],
            ],
            'field_tags' => [
              'data' => [],
            ],
          ],
        ],
      ],
      [
        'tag_ids' => $expected_tag_ids,
        'user_id' => $expected_user_id,
      ],
    ];
    if (isset($input_tag_uuids[0])) {
      $node[0]['data']['relationships']['field_tags']['data'][0] = [
        'type' => 'taxonomy_term--tags',
        'id' => $input_tag_uuids[0],
      ];
    }
    if (isset($input_tag_uuids[1])) {
      $node[0]['data']['relationships']['field_tags']['data'][1] = [
        'type' => 'taxonomy_term--tags',
        'id' => $input_tag_uuids[1],
      ];
    }
    return $node;
  }

  /**
   * Ensure that cacheability metadata is properly added.
   *
   * @param \Drupal\Core\Cache\CacheableMetadata $expected_metadata
   *   The expected cacheable metadata.
   * @param array|null $fields
   *   Fields to include in the response, keyed by resource type.
   * @param array|null $includes
   *   Resources paths to include in the response.
   *
   * @dataProvider testCacheableMetadataProvider
   */
  public function testCacheableMetadata(CacheableMetadata $expected_metadata, $fields = NULL, $includes = NULL) {
    list($request, $resource_type) = $this
      ->generateProphecies('node', 'article');
    $resource_object = ResourceObject::createFromEntity($resource_type, $this->node);
    $context = [
      'resource_type' => $resource_type,
      'account' => NULL,
    ];
    $jsonapi_doc_object = $this
      ->getNormalizer()
      ->normalize(new JsonApiDocumentTopLevel(new ResourceObjectData([
      $resource_object,
    ], 1), new NullIncludedData(), new LinkCollection([])), 'api_json', $context);
    $this
      ->assertArraySubset($expected_metadata
      ->getCacheTags(), $jsonapi_doc_object
      ->getCacheTags());
    $this
      ->assertArraySubset($expected_metadata
      ->getCacheContexts(), $jsonapi_doc_object
      ->getCacheContexts());
    $this
      ->assertSame($expected_metadata
      ->getCacheMaxAge(), $jsonapi_doc_object
      ->getCacheMaxAge());
  }

  /**
   * Provides test cases for asserting cacheable metadata behavior.
   */
  public function testCacheableMetadataProvider() {
    $cacheable_metadata = function ($metadata) {
      return CacheableMetadata::createFromRenderArray([
        '#cache' => $metadata,
      ]);
    };
    return [
      [
        $cacheable_metadata([
          'contexts' => [
            'languages:language_interface',
          ],
        ]),
        [
          'node--article' => 'body',
        ],
      ],
    ];
  }

  /**
   * Decorates a request with sparse fieldsets and includes.
   */
  protected function decorateRequest(Request $request, array $fields = NULL, array $includes = NULL) {
    $parameters = new ParameterBag();
    $parameters
      ->add($fields ? [
      'fields' => $fields,
    ] : []);
    $parameters
      ->add($includes ? [
      'include' => $includes,
    ] : []);
    $request->query = $parameters;
    return $request;
  }

  /**
   * Helper to load the normalizer.
   */
  protected function getNormalizer() {
    $normalizer_service = $this->container
      ->get('jsonapi_test_normalizers_kernel.jsonapi_document_toplevel');

    // Simulate what happens when this normalizer service is used via the
    // serializer service, as it is meant to be used.
    $normalizer_service
      ->setSerializer($this->container
      ->get('jsonapi.serializer'));
    return $normalizer_service;
  }

  /**
   * Generates the prophecies for the mocked entity request.
   *
   * @param string $entity_type_id
   *   The ID of the entity type. Ex: node.
   * @param string $bundle
   *   The bundle. Ex: article.
   *
   * @return array
   *   A numeric array containing the request and the ResourceType.
   *
   * @throws \Exception
   */
  protected function generateProphecies($entity_type_id, $bundle) {
    $resource_type = $this->container
      ->get('jsonapi.resource_type.repository')
      ->get($entity_type_id, $bundle);
    return [
      new Request(),
      $resource_type,
    ];
  }

}

Classes

Name	Description
JsonApiDocumentTopLevelNormalizerTest	@coversDefaultClass \Drupal\jsonapi\Normalizer\JsonApiDocumentTopLevelNormalizer @group jsonapi