class HalLinkManagerTest

class HalLinkManagerTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'hal',
        'hal_test',
        'serialization',
        'system',
        'node',
        'user',
        'field',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installEntitySchema('node');
        NodeType::create([
            'type' => 'page',
        ])->save();
        FieldStorageConfig::create([
            'entity_type' => 'node',
            'type' => 'entity_reference',
            'field_name' => 'field_ref',
        ])->save();
        FieldConfig::create([
            'entity_type' => 'node',
            'bundle' => 'page',
            'field_name' => 'field_ref',
        ])->save();
    }
    
    /**
     * @covers ::getTypeUri
     * @dataProvider providerTestGetTypeUri
     */
    public function testGetTypeUri($link_domain, $entity_type, $bundle, array $context, $expected_return, array $expected_context) {
        $hal_settings = \Drupal::configFactory()->getEditable('hal.settings');
        if ($link_domain === NULL) {
            $hal_settings->clear('link_domain');
        }
        else {
            $hal_settings->set('link_domain', $link_domain)
                ->save(TRUE);
        }
        
        /** @var \Drupal\hal\LinkManager\TypeLinkManagerInterface $type_manager */
        $type_manager = \Drupal::service('hal.link_manager.type');
        $link = $type_manager->getTypeUri($entity_type, $bundle, $context);
        $this->assertSame($link, str_replace('BASE_URL/', Url::fromRoute('<front>', [], [
            'absolute' => TRUE,
        ])->toString(), $expected_return));
        $this->assertEquals($context, $expected_context);
    }
    public function providerTestGetTypeUri() {
        $serialization_context_collecting_cacheability = [
            CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY => new CacheableMetadata(),
        ];
        $expected_serialization_context_cacheability_url_site = [
            CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY => (new CacheableMetadata())->setCacheContexts([
                'url.site',
            ]),
        ];
        $base_test_case = [
            'link_domain' => NULL,
            'entity_type' => 'node',
            'bundle' => 'page',
        ];
        return [
            'site URL' => $base_test_case + [
                'context' => [],
                'link_domain' => NULL,
                'expected return' => 'BASE_URL/rest/type/node/page',
                'expected context' => [],
            ],
            'site URL, with optional context to collect cacheability metadata' => $base_test_case + [
                'context' => $serialization_context_collecting_cacheability,
                'expected return' => 'BASE_URL/rest/type/node/page',
                'expected context' => $expected_serialization_context_cacheability_url_site,
            ],
            // Test hook_hal_type_uri_alter().
'site URL, with optional context, to test hook_hal_type_uri_alter()' => $base_test_case + [
                'context' => [
                    'hal_test' => TRUE,
                ],
                'expected return' => 'hal_test_type',
                'expected context' => [
                    'hal_test' => TRUE,
                ],
            ],
            'site URL, with optional context, to test hook_hal_type_uri_alter(), and collecting cacheability metadata' => $base_test_case + [
                'context' => [
                    'hal_test' => TRUE,
                ] + $serialization_context_collecting_cacheability,
                'expected return' => 'hal_test_type',
                // No cacheability metadata bubbled.
'expected context' => [
                    'hal_test' => TRUE,
                ] + $serialization_context_collecting_cacheability,
            ],
            'configured URL' => [
                'link_domain' => 'http://llamas-rock.com/for-real/',
                'entity_type' => 'node',
                'bundle' => 'page',
                'context' => [],
                'expected return' => 'http://llamas-rock.com/for-real/rest/type/node/page',
                'expected context' => [],
            ],
            'configured URL, with optional context to collect cacheability metadata' => [
                'link_domain' => 'http://llamas-rock.com/for-real/',
                'entity_type' => 'node',
                'bundle' => 'page',
                'context' => $serialization_context_collecting_cacheability,
                'expected return' => 'http://llamas-rock.com/for-real/rest/type/node/page',
                'expected context' => [
                    CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY => (new CacheableMetadata())->setCacheTags([
                        'config:hal.settings',
                    ]),
                ],
            ],
        ];
    }
    
    /**
     * @covers ::getRelationUri
     * @dataProvider providerTestGetRelationUri
     */
    public function testGetRelationUri($link_domain, $entity_type, $bundle, $field_name, array $context, $expected_return, array $expected_context) {
        $hal_settings = \Drupal::configFactory()->getEditable('hal.settings');
        if ($link_domain === NULL) {
            $hal_settings->clear('link_domain');
        }
        else {
            $hal_settings->set('link_domain', $link_domain)
                ->save(TRUE);
        }
        
        /** @var \Drupal\hal\LinkManager\RelationLinkManagerInterface $relation_manager */
        $relation_manager = \Drupal::service('hal.link_manager.relation');
        $link = $relation_manager->getRelationUri($entity_type, $bundle, $field_name, $context);
        $this->assertSame($link, str_replace('BASE_URL/', Url::fromRoute('<front>', [], [
            'absolute' => TRUE,
        ])->toString(), $expected_return));
        $this->assertEquals($context, $expected_context);
    }
    public function providerTestGetRelationUri() {
        $serialization_context_collecting_cacheability = [
            CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY => new CacheableMetadata(),
        ];
        $expected_serialization_context_cacheability_url_site = [
            CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY => (new CacheableMetadata())->setCacheContexts([
                'url.site',
            ]),
        ];
        $field_name = $this->randomMachineName();
        $base_test_case = [
            'link_domain' => NULL,
            'entity_type' => 'node',
            'bundle' => 'page',
            'field_name' => $field_name,
        ];
        return [
            'site URL' => $base_test_case + [
                'context' => [],
                'link_domain' => NULL,
                'expected return' => 'BASE_URL/rest/relation/node/page/' . $field_name,
                'expected context' => [],
            ],
            'site URL, with optional context to collect cacheability metadata' => $base_test_case + [
                'context' => $serialization_context_collecting_cacheability,
                'expected return' => 'BASE_URL/rest/relation/node/page/' . $field_name,
                'expected context' => $expected_serialization_context_cacheability_url_site,
            ],
            // Test hook_hal_relation_uri_alter().
'site URL, with optional context, to test hook_hal_relation_uri_alter()' => $base_test_case + [
                'context' => [
                    'hal_test' => TRUE,
                ],
                'expected return' => 'hal_test_relation',
                'expected context' => [
                    'hal_test' => TRUE,
                ],
            ],
            'site URL, with optional context, to test hook_hal_relation_uri_alter(), and collecting cacheability metadata' => $base_test_case + [
                'context' => [
                    'hal_test' => TRUE,
                ] + $serialization_context_collecting_cacheability,
                'expected return' => 'hal_test_relation',
                // No cacheability metadata bubbled.
'expected context' => [
                    'hal_test' => TRUE,
                ] + $serialization_context_collecting_cacheability,
            ],
            'configured URL' => [
                'link_domain' => 'http://llamas-rock.com/for-real/',
                'entity_type' => 'node',
                'bundle' => 'page',
                'field_name' => $field_name,
                'context' => [],
                'expected return' => 'http://llamas-rock.com/for-real/rest/relation/node/page/' . $field_name,
                'expected context' => [],
            ],
            'configured URL, with optional context to collect cacheability metadata' => [
                'link_domain' => 'http://llamas-rock.com/for-real/',
                'entity_type' => 'node',
                'bundle' => 'page',
                'field_name' => $field_name,
                'context' => $serialization_context_collecting_cacheability,
                'expected return' => 'http://llamas-rock.com/for-real/rest/relation/node/page/' . $field_name,
                'expected context' => [
                    CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY => (new CacheableMetadata())->setCacheTags([
                        'config:hal.settings',
                    ]),
                ],
            ],
        ];
    }
    
    /**
     * @covers ::getRelationInternalIds
     */
    public function testGetRelationInternalIds() {
        
        /** @var \Drupal\hal\LinkManager\RelationLinkManagerInterface $relation_manager */
        $relation_manager = \Drupal::service('hal.link_manager.relation');
        $link = $relation_manager->getRelationUri('node', 'page', 'field_ref');
        $internal_ids = $relation_manager->getRelationInternalIds($link);
        $this->assertEquals([
            'entity_type_id' => 'node',
            'bundle' => 'page',
            'field_name' => 'field_ref',
        ], $internal_ids);
    }
    
    /**
     * @covers ::setLinkDomain
     */
    public function testHalLinkManagersSetLinkDomain() {
        $serialization_context = [
            CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY => new CacheableMetadata(),
        ];
        
        /** @var \Drupal\hal\LinkManager\LinkManager $link_manager */
        $link_manager = \Drupal::service('hal.link_manager');
        
        /** @var \Drupal\hal\LinkManager\TypeLinkManager $type_link_manager */
        $type_link_manager = \Drupal::service('hal.link_manager.type');
        
        /** @var \Drupal\hal\LinkManager\RelationLinkManager $relation_link_manager */
        $relation_link_manager = \Drupal::service('hal.link_manager.relation');
        // One Drupal installation can serve multiple domains, protocols or ports.
        foreach ([
            'http://example.com/',
            'https://example.com/',
            'https://example.com:443/',
            'http://drupal.org/',
        ] as $domain) {
            $link_manager->setLinkDomain($domain);
            $link = $link_manager->getTypeUri('node', 'page', $serialization_context);
            $this->assertEquals($domain . 'rest/type/node/page', $link);
            $this->assertEquals($serialization_context[CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY], new CacheableMetadata());
            $type_ids = $type_link_manager->getTypeInternalIds($link, $serialization_context);
            $this->assertEquals([
                'entity_type' => 'node',
                'bundle' => 'page',
            ], $type_ids);
            $link = $link_manager->getRelationUri('node', 'page', 'field_ref', $serialization_context);
            $this->assertEquals($domain . 'rest/relation/node/page/field_ref', $link);
            $this->assertEquals($serialization_context[CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY], new CacheableMetadata());
            $relation_ids = $relation_link_manager->getRelationInternalIds($link, $serialization_context);
            $this->assertEquals([
                'entity_type_id' => 'node',
                'bundle' => 'page',
                'field_name' => 'field_ref',
            ], $relation_ids);
        }
    }

}