class TermTest

class TermTest extends ResourceTestBase {
    use CommonCollectionFilterAccessTestPatternsTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'taxonomy',
        'path',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected static $entityTypeId = 'taxonomy_term';
    
    /**
     * {@inheritdoc}
     */
    protected static $resourceTypeName = 'taxonomy_term--camelids';
    
    /**
     * {@inheritdoc}
     */
    protected static $resourceTypeIsVersionable = TRUE;
    
    /**
     * {@inheritdoc}
     */
    protected static $patchProtectedFieldNames = [
        'changed' => NULL,
    ];
    
    /**
     * {@inheritdoc}
     *
     * @var \Drupal\taxonomy\TermInterface
     */
    protected $entity;
    
    /**
     * {@inheritdoc}
     */
    protected function setUpAuthorization($method) : void {
        switch ($method) {
            case 'GET':
                $this->grantPermissionsToTestedRole([
                    'access content',
                    'view vocabulary labels',
                ]);
                break;
            case 'POST':
                $this->grantPermissionsToTestedRole([
                    'create terms in camelids',
                ]);
                break;
            case 'PATCH':
                // Grant the 'create url aliases' permission to test the case when
                // the path field is accessible, see
                // \Drupal\Tests\rest\Functional\EntityResource\Node\NodeResourceTestBase
                // for a negative test.
                $this->grantPermissionsToTestedRole([
                    'edit terms in camelids',
                    'create url aliases',
                ]);
                break;
            case 'DELETE':
                $this->grantPermissionsToTestedRole([
                    'delete terms in camelids',
                ]);
                break;
        }
    }
    
    /**
     * {@inheritdoc}
     */
    protected function setUpRevisionAuthorization($method) : void {
        parent::setUpRevisionAuthorization($method);
        $this->grantPermissionsToTestedRole([
            'administer taxonomy',
        ]);
    }
    
    /**
     * {@inheritdoc}
     */
    protected function createEntity() {
        $vocabulary = Vocabulary::load('camelids');
        if (!$vocabulary) {
            // Create a "Camelids" vocabulary.
            $vocabulary = Vocabulary::create([
                'name' => 'Camelids',
                'vid' => 'camelids',
            ]);
            $vocabulary->save();
        }
        // Create a "Llama" taxonomy term.
        $term = Term::create([
            'vid' => $vocabulary->id(),
        ])
            ->setName('Llama')
            ->setDescription("It is a little known fact that llamas cannot count higher than seven.")
            ->setChangedTime(123456789)
            ->set('path', '/llama');
        $term->save();
        return $term;
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getExpectedDocument() : array {
        $base_url = Url::fromUri('base:/jsonapi/taxonomy_term/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);
        // We test with multiple parent terms, and combinations thereof.
        // @see ::createEntity()
        // @see ::testGetIndividual()
        // @see ::testGetIndividualTermWithParent()
        // @see ::providerTestGetIndividualTermWithParent()
        $parent_term_ids = [];
        for ($i = 0; $i < $this->entity
            ->get('parent')
            ->count(); $i++) {
            $parent_term_ids[$i] = (int) $this->entity
                ->get('parent')[$i]->target_id;
        }
        $expected_parent_normalization = FALSE;
        switch ($parent_term_ids) {
            case [
                0,
            ]:
                $expected_parent_normalization = [
                    'data' => [
                        [
                            'id' => 'virtual',
                            'type' => 'taxonomy_term--camelids',
                            'meta' => [
                                'links' => [
                                    'help' => [
                                        'href' => 'https://www.drupal.org/docs/8/modules/json-api/core-concepts#virtual',
                                        'meta' => [
                                            'about' => "Usage and meaning of the 'virtual' resource identifier.",
                                        ],
                                    ],
                                ],
                            ],
                        ],
                    ],
                    'links' => [
                        'related' => [
                            'href' => $base_url->toString() . '/parent' . $version_query_string,
                        ],
                        'self' => [
                            'href' => $base_url->toString() . '/relationships/parent' . $version_query_string,
                        ],
                    ],
                ];
                break;
            case [
                2,
            ]:
                $expected_parent_normalization = [
                    'data' => [
                        [
                            'id' => Term::load(2)->uuid(),
                            'meta' => [
                                'drupal_internal__target_id' => 2,
                            ],
                            'type' => 'taxonomy_term--camelids',
                        ],
                    ],
                    'links' => [
                        'related' => [
                            'href' => $base_url->toString() . '/parent' . $version_query_string,
                        ],
                        'self' => [
                            'href' => $base_url->toString() . '/relationships/parent' . $version_query_string,
                        ],
                    ],
                ];
                break;
            case [
                0,
                2,
            ]:
                $expected_parent_normalization = [
                    'data' => [
                        [
                            'id' => 'virtual',
                            'type' => 'taxonomy_term--camelids',
                            'meta' => [
                                'links' => [
                                    'help' => [
                                        'href' => 'https://www.drupal.org/docs/8/modules/json-api/core-concepts#virtual',
                                        'meta' => [
                                            'about' => "Usage and meaning of the 'virtual' resource identifier.",
                                        ],
                                    ],
                                ],
                            ],
                        ],
                        [
                            'id' => Term::load(2)->uuid(),
                            'meta' => [
                                'drupal_internal__target_id' => 2,
                            ],
                            'type' => 'taxonomy_term--camelids',
                        ],
                    ],
                    'links' => [
                        'related' => [
                            'href' => $base_url->toString() . '/parent' . $version_query_string,
                        ],
                        'self' => [
                            'href' => $base_url->toString() . '/relationships/parent' . $version_query_string,
                        ],
                    ],
                ];
                break;
            case [
                3,
                2,
            ]:
                $expected_parent_normalization = [
                    'data' => [
                        [
                            'id' => Term::load(3)->uuid(),
                            'meta' => [
                                'drupal_internal__target_id' => 3,
                            ],
                            'type' => 'taxonomy_term--camelids',
                        ],
                        [
                            'id' => Term::load(2)->uuid(),
                            'meta' => [
                                'drupal_internal__target_id' => 2,
                            ],
                            'type' => 'taxonomy_term--camelids',
                        ],
                    ],
                    'links' => [
                        'related' => [
                            'href' => $base_url->toString() . '/parent' . $version_query_string,
                        ],
                        'self' => [
                            'href' => $base_url->toString() . '/relationships/parent' . $version_query_string,
                        ],
                    ],
                ];
                break;
        }
        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' => 'taxonomy_term--camelids',
                'links' => [
                    'self' => [
                        'href' => $self_url->toString(),
                    ],
                ],
                'attributes' => [
                    'changed' => (new \DateTime())->setTimestamp($this->entity
                        ->getChangedTime())
                        ->setTimezone(new \DateTimeZone('UTC'))
                        ->format(\DateTime::RFC3339),
                    'default_langcode' => TRUE,
                    'description' => [
                        'value' => 'It is a little known fact that llamas cannot count higher than seven.',
                        'format' => NULL,
                        'processed' => "<p>It is a little known fact that llamas cannot count higher than seven.</p>\n",
                    ],
                    'langcode' => 'en',
                    'name' => 'Llama',
                    'path' => [
                        'alias' => '/llama',
                        'pid' => 1,
                        'langcode' => 'en',
                    ],
                    'weight' => 0,
                    'drupal_internal__tid' => 1,
                    'status' => TRUE,
                    'drupal_internal__revision_id' => 1,
                    'revision_created' => (new \DateTime())->setTimestamp((int) $this->entity
                        ->getRevisionCreationTime())
                        ->setTimezone(new \DateTimeZone('UTC'))
                        ->format(\DateTime::RFC3339),
                    // @todo Attempt to remove this in https://www.drupal.org/project/drupal/issues/2933518.
'revision_translation_affected' => TRUE,
                ],
                'relationships' => [
                    'parent' => $expected_parent_normalization,
                    'vid' => [
                        'data' => [
                            'id' => Vocabulary::load('camelids')->uuid(),
                            'meta' => [
                                'drupal_internal__target_id' => 'camelids',
                            ],
                            'type' => 'taxonomy_vocabulary--taxonomy_vocabulary',
                        ],
                        'links' => [
                            'related' => [
                                'href' => $base_url->toString() . '/vid' . $version_query_string,
                            ],
                            'self' => [
                                'href' => $base_url->toString() . '/relationships/vid' . $version_query_string,
                            ],
                        ],
                    ],
                    'revision_user' => [
                        'data' => NULL,
                        'links' => [
                            'related' => [
                                'href' => $base_url->toString() . '/revision_user' . $version_query_string,
                            ],
                            'self' => [
                                'href' => $base_url->toString() . '/relationships/revision_user' . $version_query_string,
                            ],
                        ],
                    ],
                ],
            ],
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getExpectedGetRelationshipDocumentData($relationship_field_name, ?EntityInterface $entity = NULL) {
        $data = parent::getExpectedGetRelationshipDocumentData($relationship_field_name, $entity);
        if ($relationship_field_name === 'parent') {
            $data = [
                0 => [
                    'id' => 'virtual',
                    'type' => 'taxonomy_term--camelids',
                    'meta' => [
                        'links' => [
                            'help' => [
                                'href' => 'https://www.drupal.org/docs/8/modules/json-api/core-concepts#virtual',
                                'meta' => [
                                    'about' => "Usage and meaning of the 'virtual' resource identifier.",
                                ],
                            ],
                        ],
                    ],
                ],
            ];
        }
        return $data;
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getPostDocument() : array {
        return [
            'data' => [
                'type' => 'taxonomy_term--camelids',
                'attributes' => [
                    'name' => 'Drama llama',
                    'description' => [
                        'value' => 'Drama llamas are the coolest camelids.',
                        'format' => NULL,
                    ],
                ],
            ],
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getExpectedUnauthorizedAccessMessage($method) {
        switch ($method) {
            case 'GET':
                return "The 'access content' permission is required and the taxonomy term must be published.";
            case 'POST':
                return "The following permissions are required: 'create terms in camelids' OR 'administer taxonomy'.";
            case 'PATCH':
                return "The following permissions are required: 'edit terms in camelids' OR 'administer taxonomy'.";
            case 'DELETE':
                return "The following permissions are required: 'delete terms in camelids' OR 'administer taxonomy'.";
            default:
                return parent::getExpectedUnauthorizedAccessMessage($method);
        }
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getExpectedUnauthorizedAccessCacheability() {
        $cacheability = parent::getExpectedUnauthorizedAccessCacheability();
        $cacheability->addCacheableDependency($this->entity);
        return $cacheability;
    }
    
    /**
     * Tests PATCHing a term's path.
     *
     * For a negative test, see the similar test coverage for Node.
     *
     * @see \Drupal\Tests\jsonapi\Functional\NodeTest::testPatchPath()
     * @see \Drupal\Tests\rest\Functional\EntityResource\Node\NodeResourceTestBase::testPatchPath()
     */
    public function testPatchPath() : void {
        $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');
        $request_options = [];
        $request_options[RequestOptions::HEADERS]['Accept'] = 'application/vnd.api+json';
        $request_options[RequestOptions::HEADERS]['Content-Type'] = 'application/vnd.api+json';
        $request_options = NestedArray::mergeDeep($request_options, $this->getAuthenticationRequestOptions());
        // GET term's current normalization.
        $response = $this->request('GET', $url, $request_options);
        $normalization = $this->getDocumentFromResponse($response);
        // Change term's path alias.
        $normalization['data']['attributes']['path']['alias'] .= 's-rule-the-world';
        // Create term PATCH request.
        $request_options[RequestOptions::BODY] = Json::encode($normalization);
        // PATCH request: 200.
        $response = $this->request('PATCH', $url, $request_options);
        $updated_normalization = $this->getDocumentFromResponse($response);
        $this->assertResourceResponse(200, FALSE, $response);
        $this->assertSame($normalization['data']['attributes']['path']['alias'], $updated_normalization['data']['attributes']['path']['alias']);
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getExpectedCacheTags(?array $sparse_fieldset = NULL) {
        $tags = parent::getExpectedCacheTags($sparse_fieldset);
        if ($sparse_fieldset === NULL || in_array('description', $sparse_fieldset)) {
            $tags = Cache::mergeTags($tags, [
                'config:filter.format.plain_text',
                'config:filter.settings',
            ]);
        }
        return $tags;
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getExpectedCacheContexts(?array $sparse_fieldset = NULL) {
        $contexts = parent::getExpectedCacheContexts($sparse_fieldset);
        if ($sparse_fieldset === NULL || in_array('description', $sparse_fieldset)) {
            $contexts = Cache::mergeContexts($contexts, [
                'languages:language_interface',
                'theme',
            ]);
        }
        return $contexts;
    }
    
    /**
     * Tests GETting a term with a parent term other than the default <root> (0).
     *
     * @see ::getExpectedNormalizedEntity()
     *
     * @dataProvider providerTestGetIndividualTermWithParent
     */
    public function testGetIndividualTermWithParent(array $parent_term_ids) : void {
        // Create all possible parent terms.
        Term::create([
            'vid' => Vocabulary::load('camelids')->id(),
        ])
            ->setName('Lamoids')
            ->save();
        Term::create([
            'vid' => Vocabulary::load('camelids')->id(),
        ])
            ->setName('Camels')
            ->save();
        // Modify the entity under test to use the provided parent terms.
        $this->entity
            ->set('parent', $parent_term_ids)
            ->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 = [];
        $request_options[RequestOptions::HEADERS]['Accept'] = 'application/vnd.api+json';
        $request_options = NestedArray::mergeDeep($request_options, $this->getAuthenticationRequestOptions());
        $this->setUpAuthorization('GET');
        $response = $this->request('GET', $url, $request_options);
        $this->assertSameDocument($this->getExpectedDocument(), Json::decode($response->getBody()));
    }
    
    /**
     * Data provider for ::testGetIndividualTermWithParent().
     */
    public static function providerTestGetIndividualTermWithParent() {
        return [
            'root parent: [0] (= no parent)' => [
                [
                    0,
                ],
            ],
            'non-root parent: [2]' => [
                [
                    2,
                ],
            ],
            'multiple parents: [0,2] (root + non-root parent)' => [
                [
                    0,
                    2,
                ],
            ],
            'multiple parents: [3,2] (both non-root parents)' => [
                [
                    3,
                    2,
                ],
            ],
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    public function testCollectionFilterAccess() : void {
        $this->doTestCollectionFilterAccessBasedOnPermissions('name', 'access content');
    }

}