NodeTest.php

<?php

namespace Drupal\Tests\jsonapi\Functional;

use Drupal\Component\Serialization\Json;
use Drupal\Component\Utility\NestedArray;
use Drupal\Core\Cache\Cache;
use Drupal\Core\Url;
use Drupal\jsonapi\Normalizer\HttpExceptionNormalizer;
use Drupal\jsonapi\Normalizer\Value\CacheableNormalization;
use Drupal\node\Entity\Node;
use Drupal\node\Entity\NodeType;
use Drupal\Tests\jsonapi\Traits\CommonCollectionFilterAccessTestPatternsTrait;
use Drupal\user\Entity\User;
use GuzzleHttp\RequestOptions;

/**
 * JSON:API integration test for the "Node" content entity type.
 *
 * @group jsonapi
 */
class NodeTest extends ResourceTestBase {
    use CommonCollectionFilterAccessTestPatternsTrait;
    
    /**
     * {@inheritdoc}
     */
    public static $modules = [
        'node',
        'path',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected static $entityTypeId = 'node';
    
    /**
     * {@inheritdoc}
     */
    protected static $resourceTypeName = 'node--camelids';
    
    /**
     * {@inheritdoc}
     */
    protected static $resourceTypeIsVersionable = TRUE;
    
    /**
     * {@inheritdoc}
     */
    protected static $newRevisionsShouldBeAutomatic = TRUE;
    
    /**
     * {@inheritdoc}
     *
     * @var \Drupal\node\NodeInterface
     */
    protected $entity;
    
    /**
     * {@inheritdoc}
     */
    protected static $patchProtectedFieldNames = [
        'revision_timestamp' => NULL,
        'created' => "The 'administer nodes' permission is required.",
        'changed' => NULL,
        'promote' => "The 'administer nodes' permission is required.",
        'sticky' => "The 'administer nodes' permission is required.",
        'path' => "The following permissions are required: 'create url aliases' OR 'administer url aliases'.",
        'revision_uid' => NULL,
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUpAuthorization($method) {
        switch ($method) {
            case 'GET':
                $this->grantPermissionsToTestedRole([
                    'access content',
                ]);
                break;
            case 'POST':
                $this->grantPermissionsToTestedRole([
                    'access content',
                    'create camelids content',
                ]);
                break;
            case 'PATCH':
                // Do not grant the 'create url aliases' permission to test the case
                // when the path field is protected/not accessible, see
                // \Drupal\Tests\rest\Functional\EntityResource\Term\TermResourceTestBase
                // for a positive test.
                $this->grantPermissionsToTestedRole([
                    'access content',
                    'edit any camelids content',
                ]);
                break;
            case 'DELETE':
                $this->grantPermissionsToTestedRole([
                    'access content',
                    'delete any camelids content',
                ]);
                break;
        }
    }
    
    /**
     * {@inheritdoc}
     */
    protected function setUpRevisionAuthorization($method) {
        parent::setUpRevisionAuthorization($method);
        $this->grantPermissionsToTestedRole([
            'view all revisions',
        ]);
    }
    
    /**
     * {@inheritdoc}
     */
    protected function createEntity() {
        if (!NodeType::load('camelids')) {
            // Create a "Camelids" node type.
            NodeType::create([
                'name' => 'Camelids',
                'type' => 'camelids',
            ])->save();
        }
        // Create a "Llama" node.
        $node = Node::create([
            'type' => 'camelids',
        ]);
        $node->setTitle('Llama')
            ->setOwnerId($this->account
            ->id())
            ->setPublished()
            ->setCreatedTime(123456789)
            ->setChangedTime(123456789)
            ->setRevisionCreationTime(123456789)
            ->set('path', '/llama')
            ->save();
        return $node;
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getExpectedDocument() {
        $author = User::load($this->entity
            ->getOwnerId());
        $base_url = Url::fromUri('base:/jsonapi/node/camelids/' . $this->entity
            ->uuid())
            ->setAbsolute();
        $self_url = clone $base_url;
        $version_identifier = 'id:' . $this->entity
            ->getRevisionId();
        $self_url = $self_url->setOption('query', [
            'resourceVersion' => $version_identifier,
        ]);
        $version_query_string = '?resourceVersion=' . urlencode($version_identifier);
        return [
            'jsonapi' => [
                'meta' => [
                    'links' => [
                        'self' => [
                            'href' => 'http://jsonapi.org/format/1.0/',
                        ],
                    ],
                ],
                'version' => '1.0',
            ],
            'links' => [
                'self' => [
                    'href' => $base_url->toString(),
                ],
            ],
            'data' => [
                'id' => $this->entity
                    ->uuid(),
                'type' => 'node--camelids',
                'links' => [
                    'self' => [
                        'href' => $self_url->toString(),
                    ],
                ],
                'attributes' => [
                    'created' => '1973-11-29T21:33:09+00:00',
                    'changed' => (new \DateTime())->setTimestamp($this->entity
                        ->getChangedTime())
                        ->setTimezone(new \DateTimeZone('UTC'))
                        ->format(\DateTime::RFC3339),
                    'default_langcode' => TRUE,
                    'langcode' => 'en',
                    'path' => [
                        'alias' => '/llama',
                        'pid' => 1,
                        'langcode' => 'en',
                    ],
                    'promote' => TRUE,
                    'revision_log' => NULL,
                    'revision_timestamp' => '1973-11-29T21:33:09+00:00',
                    // @todo Attempt to remove this in https://www.drupal.org/project/drupal/issues/2933518.
'revision_translation_affected' => TRUE,
                    'status' => TRUE,
                    'sticky' => FALSE,
                    'title' => 'Llama',
                    'drupal_internal__nid' => 1,
                    'drupal_internal__vid' => 1,
                ],
                'relationships' => [
                    'node_type' => [
                        'data' => [
                            'id' => NodeType::load('camelids')->uuid(),
                            'type' => 'node_type--node_type',
                        ],
                        'links' => [
                            'related' => [
                                'href' => $base_url->toString() . '/node_type' . $version_query_string,
                            ],
                            'self' => [
                                'href' => $base_url->toString() . '/relationships/node_type' . $version_query_string,
                            ],
                        ],
                    ],
                    'uid' => [
                        'data' => [
                            'id' => $author->uuid(),
                            'type' => 'user--user',
                        ],
                        'links' => [
                            'related' => [
                                'href' => $base_url->toString() . '/uid' . $version_query_string,
                            ],
                            'self' => [
                                'href' => $base_url->toString() . '/relationships/uid' . $version_query_string,
                            ],
                        ],
                    ],
                    'revision_uid' => [
                        'data' => [
                            'id' => $author->uuid(),
                            'type' => 'user--user',
                        ],
                        'links' => [
                            'related' => [
                                'href' => $base_url->toString() . '/revision_uid' . $version_query_string,
                            ],
                            'self' => [
                                'href' => $base_url->toString() . '/relationships/revision_uid' . $version_query_string,
                            ],
                        ],
                    ],
                ],
            ],
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getPostDocument() {
        return [
            'data' => [
                'type' => 'node--camelids',
                'attributes' => [
                    'title' => 'Dramallama',
                ],
            ],
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getExpectedUnauthorizedAccessMessage($method) {
        switch ($method) {
            case 'GET':
            case 'POST':
            case 'PATCH':
            case 'DELETE':
                return "The 'access content' permission is required.";
        }
    }
    
    /**
     * Tests PATCHing a node's path with and without 'create url aliases'.
     *
     * For a positive test, see the similar test coverage for Term.
     *
     * @see \Drupal\Tests\jsonapi\Functional\TermTest::testPatchPath()
     * @see \Drupal\Tests\rest\Functional\EntityResource\Term\TermResourceTestBase::testPatchPath()
     */
    public function testPatchPath() {
        $this->setUpAuthorization('GET');
        $this->setUpAuthorization('PATCH');
        $this->config('jsonapi.settings')
            ->set('read_only', FALSE)
            ->save(TRUE);
        // @todo Remove line below in favor of commented line in https://www.drupal.org/project/drupal/issues/2878463.
        $url = Url::fromRoute(sprintf('jsonapi.%s.individual', static::$resourceTypeName), [
            'entity' => $this->entity
                ->uuid(),
        ]);
        // $url = $this->entity->toUrl('jsonapi');
        // GET node's current normalization.
        $response = $this->request('GET', $url, $this->getAuthenticationRequestOptions());
        $normalization = Json::decode((string) $response->getBody());
        // Change node's path alias.
        $normalization['data']['attributes']['path']['alias'] .= 's-rule-the-world';
        // Create node PATCH request.
        $request_options = $this->getAuthenticationRequestOptions();
        $request_options[RequestOptions::HEADERS]['Content-Type'] = 'application/vnd.api+json';
        $request_options[RequestOptions::BODY] = Json::encode($normalization);
        // PATCH request: 403 when creating URL aliases unauthorized.
        $response = $this->request('PATCH', $url, $request_options);
        $this->assertResourceErrorResponse(403, "The current user is not allowed to PATCH the selected field (path). The following permissions are required: 'create url aliases' OR 'administer url aliases'.", $url, $response, '/data/attributes/path');
        // Grant permission to create URL aliases.
        $this->grantPermissionsToTestedRole([
            'create url aliases',
        ]);
        // Repeat PATCH request: 200.
        $response = $this->request('PATCH', $url, $request_options);
        $this->assertResourceResponse(200, FALSE, $response);
        $updated_normalization = Json::decode((string) $response->getBody());
        $this->assertSame($normalization['data']['attributes']['path']['alias'], $updated_normalization['data']['attributes']['path']['alias']);
    }
    
    /**
     * {@inheritdoc}
     */
    public function testGetIndividual() {
        parent::testGetIndividual();
        $this->assertCacheableNormalizations();
        // Unpublish node.
        $this->entity
            ->setUnpublished()
            ->save();
        // @todo Remove line below in favor of commented line in https://www.drupal.org/project/drupal/issues/2878463.
        $url = Url::fromRoute(sprintf('jsonapi.%s.individual', static::$resourceTypeName), [
            'entity' => $this->entity
                ->uuid(),
        ]);
        // $url = $this->entity->toUrl('jsonapi');
        $request_options = $this->getAuthenticationRequestOptions();
        // 403 when accessing own unpublished node.
        $response = $this->request('GET', $url, $request_options);
        // @todo Remove $expected + assertResourceResponse() in favor of the commented line below once https://www.drupal.org/project/drupal/issues/2943176 lands.
        $expected_document = [
            'jsonapi' => static::$jsonApiMember,
            'errors' => [
                [
                    'title' => 'Forbidden',
                    'status' => '403',
                    'detail' => 'The current user is not allowed to GET the selected resource.',
                    'links' => [
                        'info' => [
                            'href' => HttpExceptionNormalizer::getInfoUrl(403),
                        ],
                        'via' => [
                            'href' => $url->setAbsolute()
                                ->toString(),
                        ],
                    ],
                    'source' => [
                        'pointer' => '/data',
                    ],
                ],
            ],
        ];
        $this->assertResourceResponse(403, $expected_document, $response, [
            '4xx-response',
            'http_response',
            'node:1',
        ], [
            'url.query_args:resourceVersion',
            'url.site',
            'user.permissions',
        ], FALSE, 'MISS');
        
        /* $this->assertResourceErrorResponse(403, 'The current user is not allowed to GET the selected resource.', $response, '/data'); */
        // 200 after granting permission.
        $this->grantPermissionsToTestedRole([
            'view own unpublished content',
        ]);
        $response = $this->request('GET', $url, $request_options);
        // The response varies by 'user', causing the 'user.permissions' cache
        // context to be optimized away.
        $expected_cache_contexts = Cache::mergeContexts($this->getExpectedCacheContexts(), [
            'user',
        ]);
        $expected_cache_contexts = array_diff($expected_cache_contexts, [
            'user.permissions',
        ]);
        $this->assertResourceResponse(200, FALSE, $response, $this->getExpectedCacheTags(), $expected_cache_contexts, FALSE, 'UNCACHEABLE');
    }
    
    /**
     * Asserts that normalizations are cached in an incremental way.
     *
     * @throws \Drupal\Core\Entity\EntityStorageException
     */
    protected function assertCacheableNormalizations() {
        // Save the entity to invalidate caches.
        $this->entity
            ->save();
        $uuid = $this->entity
            ->uuid();
        $cache = \Drupal::service('render_cache')->get([
            '#cache' => [
                'keys' => [
                    'node--camelids',
                    $uuid,
                ],
                'bin' => 'jsonapi_normalizations',
            ],
        ]);
        // After saving the entity the normalization should not be cached.
        $this->assertFalse($cache);
        // @todo Remove line below in favor of commented line in https://www.drupal.org/project/drupal/issues/2878463.
        $url = Url::fromRoute(sprintf('jsonapi.%s.individual', static::$resourceTypeName), [
            'entity' => $uuid,
        ]);
        // $url = $this->entity->toUrl('jsonapi');
        $request_options = $this->getAuthenticationRequestOptions();
        $request_options[RequestOptions::QUERY] = [
            'fields' => [
                'node--camelids' => 'title',
            ],
        ];
        $this->request('GET', $url, $request_options);
        // Ensure the normalization cache is being incrementally built. After
        // requesting the title, only the title is in the cache.
        $this->assertNormalizedFieldsAreCached([
            'title',
        ]);
        $request_options[RequestOptions::QUERY] = [
            'fields' => [
                'node--camelids' => 'field_rest_test',
            ],
        ];
        $this->request('GET', $url, $request_options);
        // After requesting an additional field, then that field is in the cache and
        // the old one is still there.
        $this->assertNormalizedFieldsAreCached([
            'title',
            'field_rest_test',
        ]);
    }
    
    /**
     * Checks that the provided field names are the only fields in the cache.
     *
     * The normalization cache should only have these fields, which build up
     * across responses.
     *
     * @param string[] $field_names
     *   The field names.
     */
    protected function assertNormalizedFieldsAreCached($field_names) {
        $cache = \Drupal::service('render_cache')->get([
            '#cache' => [
                'keys' => [
                    'node--camelids',
                    $this->entity
                        ->uuid(),
                ],
                'bin' => 'jsonapi_normalizations',
            ],
        ]);
        $cached_fields = $cache['#data']['fields'];
        $this->assertCount(count($field_names), $cached_fields);
        array_walk($field_names, function ($field_name) use ($cached_fields) {
            $this->assertInstanceOf(CacheableNormalization::class, $cached_fields[$field_name]);
        });
    }
    
    /**
     * {@inheritdoc}
     */
    protected static function getIncludePermissions() {
        return [
            'uid.node_type' => [
                'administer users',
            ],
            'uid.roles' => [
                'administer permissions',
            ],
        ];
    }
    
    /**
     * Creating relationships to missing resources should be 404 per JSON:API 1.1.
     *
     * @see https://github.com/json-api/json-api/issues/1033
     */
    public function testPostNonExistingAuthor() {
        $this->setUpAuthorization('POST');
        $this->config('jsonapi.settings')
            ->set('read_only', FALSE)
            ->save(TRUE);
        $this->grantPermissionsToTestedRole([
            'administer nodes',
        ]);
        $random_uuid = \Drupal::service('uuid')->generate();
        $doc = $this->getPostDocument();
        $doc['data']['relationships']['uid']['data'] = [
            'type' => 'user--user',
            'id' => $random_uuid,
        ];
        // Create node POST request.
        $url = Url::fromRoute(sprintf('jsonapi.%s.collection.post', static::$resourceTypeName));
        $request_options = $this->getAuthenticationRequestOptions();
        $request_options[RequestOptions::HEADERS]['Accept'] = 'application/vnd.api+json';
        $request_options[RequestOptions::HEADERS]['Content-Type'] = 'application/vnd.api+json';
        $request_options[RequestOptions::BODY] = Json::encode($doc);
        // POST request: 404 when adding relationships to non-existing resources.
        $response = $this->request('POST', $url, $request_options);
        $expected_document = [
            'errors' => [
                0 => [
                    'status' => '404',
                    'title' => 'Not Found',
                    'detail' => "The resource identified by `user--user:{$random_uuid}` (given as a relationship item) could not be found.",
                    'links' => [
                        'info' => [
                            'href' => HttpExceptionNormalizer::getInfoUrl(404),
                        ],
                        'via' => [
                            'href' => $url->setAbsolute()
                                ->toString(),
                        ],
                    ],
                ],
            ],
            'jsonapi' => static::$jsonApiMember,
        ];
        $this->assertResourceResponse(404, $expected_document, $response);
    }
    
    /**
     * {@inheritdoc}
     */
    public function testCollectionFilterAccess() {
        $label_field_name = 'title';
        $this->doTestCollectionFilterAccessForPublishableEntities($label_field_name, 'access content', 'bypass node access');
        $collection_url = Url::fromRoute('jsonapi.entity_test--bar.collection');
        $collection_filter_url = $collection_url->setOption('query', [
            "filter[spotlight.{$label_field_name}]" => $this->entity
                ->label(),
        ]);
        $request_options = [];
        $request_options[RequestOptions::HEADERS]['Accept'] = 'application/vnd.api+json';
        $request_options = NestedArray::mergeDeep($request_options, $this->getAuthenticationRequestOptions());
        $this->revokePermissionsFromTestedRole([
            'bypass node access',
        ]);
        // 0 results because the node is unpublished.
        $response = $this->request('GET', $collection_filter_url, $request_options);
        $doc = Json::decode((string) $response->getBody());
        $this->assertCount(0, $doc['data']);
        $this->grantPermissionsToTestedRole([
            'view own unpublished content',
        ]);
        // 1 result because the current user is the owner of the unpublished node.
        $response = $this->request('GET', $collection_filter_url, $request_options);
        $doc = Json::decode((string) $response->getBody());
        $this->assertCount(1, $doc['data']);
        $this->entity
            ->setOwnerId(0)
            ->save();
        // 0 results because the current user is no longer the owner.
        $response = $this->request('GET', $collection_filter_url, $request_options);
        $doc = Json::decode((string) $response->getBody());
        $this->assertCount(0, $doc['data']);
        // Assert bubbling of cacheability from query alter hook.
        $this->assertTrue($this->container
            ->get('module_installer')
            ->install([
            'node_access_test',
        ], TRUE), 'Installed modules.');
        node_access_rebuild();
        $this->rebuildAll();
        $response = $this->request('GET', $collection_filter_url, $request_options);
        $this->assertContains('user.node_grants:view', explode(' ', $response->getHeader('X-Drupal-Cache-Contexts')[0]));
    }

}