class NodeAccessLanguageAwareTest

class NodeAccessLanguageAwareTest extends NodeAccessTestBase {
    
    /**
     * Enable language and a language-aware node access module.
     *
     * @var array
     */
    protected static $modules = [
        'language',
        'node_access_test_language',
    ];
    
    /**
     * A set of nodes to use in testing.
     *
     * @var \Drupal\node\NodeInterface[]
     */
    protected $nodes = [];
    
    /**
     * A user with permission to bypass access content.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $adminUser;
    
    /**
     * A normal authenticated user.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $webUser;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Create the 'private' field, which allows the node to be marked as private
        // (restricted access) in a given translation.
        $field_storage = FieldStorageConfig::create([
            'field_name' => 'field_private',
            'entity_type' => 'node',
            'type' => 'boolean',
            'cardinality' => 1,
        ]);
        $field_storage->save();
        FieldConfig::create([
            'field_storage' => $field_storage,
            'bundle' => 'page',
            'widget' => [
                'type' => 'options_buttons',
            ],
            'settings' => [
                'on_label' => 'Private',
                'off_label' => 'Not private',
            ],
        ])->save();
        // After enabling a node access module, the access table has to be rebuild.
        node_access_rebuild();
        // Create a normal authenticated user.
        $this->webUser = $this->drupalCreateUser([
            'access content',
        ]);
        // Load the user 1 user for later use as an admin user with permission to
        // see everything.
        $this->adminUser = User::load(1);
        // Add Hungarian and Catalan.
        ConfigurableLanguage::createFromLangcode('hu')->save();
        ConfigurableLanguage::createFromLangcode('ca')->save();
        // The node_access_test_language module allows individual translations of a
        // node to be marked private (not viewable by normal users).
        // Create six nodes:
        // 1. Four Hungarian nodes with Catalan translations
        //    - One with neither language marked as private.
        //    - One with only the Hungarian translation private.
        //    - One with only the Catalan translation private.
        //    - One with both the Hungarian and Catalan translations private.
        // 2. Two nodes with no language specified.
        //    - One public.
        //    - One private.
        $this->nodes['both_public'] = $node = $this->drupalCreateNode([
            'body' => [
                [],
            ],
            'langcode' => 'hu',
            'field_private' => [
                [
                    'value' => 0,
                ],
            ],
        ]);
        $translation = $node->addTranslation('ca');
        $translation->title->value = $this->randomString();
        $translation->field_private->value = 0;
        $node->save();
        $this->nodes['ca_private'] = $node = $this->drupalCreateNode([
            'body' => [
                [],
            ],
            'langcode' => 'hu',
            'field_private' => [
                [
                    'value' => 0,
                ],
            ],
        ]);
        $translation = $node->addTranslation('ca');
        $translation->title->value = $this->randomString();
        $translation->field_private->value = 1;
        $node->save();
        $this->nodes['hu_private'] = $node = $this->drupalCreateNode([
            'body' => [
                [],
            ],
            'langcode' => 'hu',
            'field_private' => [
                [
                    'value' => 1,
                ],
            ],
        ]);
        $translation = $node->addTranslation('ca');
        $translation->title->value = $this->randomString();
        $translation->field_private->value = 0;
        $node->save();
        $this->nodes['both_private'] = $node = $this->drupalCreateNode([
            'body' => [
                [],
            ],
            'langcode' => 'hu',
            'field_private' => [
                [
                    'value' => 1,
                ],
            ],
        ]);
        $translation = $node->addTranslation('ca');
        $translation->title->value = $this->randomString();
        $translation->field_private->value = 1;
        $node->save();
        $this->nodes['no_language_public'] = $this->drupalCreateNode([
            'field_private' => [
                [
                    'value' => 0,
                ],
            ],
            'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
        ]);
        $this->nodes['no_language_private'] = $this->drupalCreateNode([
            'field_private' => [
                [
                    'value' => 1,
                ],
            ],
            'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
        ]);
    }
    
    /**
     * Tests node access and node access queries with multiple node languages.
     */
    public function testNodeAccessLanguageAware() {
        // The node_access_test_language module only grants view access.
        $expected_node_access = [
            'view' => TRUE,
            'update' => FALSE,
            'delete' => FALSE,
        ];
        $expected_node_access_no_access = [
            'view' => FALSE,
            'update' => FALSE,
            'delete' => FALSE,
        ];
        // When both Hungarian and Catalan are marked as public, access to the
        // Hungarian translation should be granted with the default entity object or
        // when the Hungarian translation is specified explicitly.
        $this->assertNodeAccess($expected_node_access, $this->nodes['both_public'], $this->webUser);
        $this->assertNodeAccess($expected_node_access, $this->nodes['both_public']
            ->getTranslation('hu'), $this->webUser);
        // Access to the Catalan translation should also be granted.
        $this->assertNodeAccess($expected_node_access, $this->nodes['both_public']
            ->getTranslation('ca'), $this->webUser);
        // When Hungarian is marked as private, access to the Hungarian translation
        // should be denied with the default entity object or when the Hungarian
        // translation is specified explicitly.
        $this->assertNodeAccess($expected_node_access_no_access, $this->nodes['hu_private'], $this->webUser);
        $this->assertNodeAccess($expected_node_access_no_access, $this->nodes['hu_private']
            ->getTranslation('hu'), $this->webUser);
        // Access to the Catalan translation should be granted.
        $this->assertNodeAccess($expected_node_access, $this->nodes['hu_private']
            ->getTranslation('ca'), $this->webUser);
        // When Catalan is marked as private, access to the Hungarian translation
        // should be granted with the default entity object or when the Hungarian
        // translation is specified explicitly.
        $this->assertNodeAccess($expected_node_access, $this->nodes['ca_private'], $this->webUser);
        $this->assertNodeAccess($expected_node_access, $this->nodes['ca_private']
            ->getTranslation('hu'), $this->webUser);
        // Access to the Catalan translation should be granted.
        $this->assertNodeAccess($expected_node_access_no_access, $this->nodes['ca_private']
            ->getTranslation('ca'), $this->webUser);
        // When both translations are marked as private, access should be denied
        // regardless of the entity object specified.
        $this->assertNodeAccess($expected_node_access_no_access, $this->nodes['both_private'], $this->webUser);
        $this->assertNodeAccess($expected_node_access_no_access, $this->nodes['both_private']
            ->getTranslation('hu'), $this->webUser);
        $this->assertNodeAccess($expected_node_access_no_access, $this->nodes['both_private']
            ->getTranslation('ca'), $this->webUser);
        // When no language is specified for a private node, access to every node
        // translation is denied.
        $this->assertNodeAccess($expected_node_access_no_access, $this->nodes['no_language_private'], $this->webUser);
        // When no language is specified for a public node, access should be
        // granted.
        $this->assertNodeAccess($expected_node_access, $this->nodes['no_language_public'], $this->webUser);
        // Query the node table with the node access tag in several languages.
        $connection = Database::getConnection();
        // Query with no language specified. The fallback (hu) will be used.
        $select = $connection->select('node', 'n')
            ->fields('n', [
            'nid',
        ])
            ->addMetaData('account', $this->webUser)
            ->addTag('node_access');
        $nids = $select->execute()
            ->fetchAllAssoc('nid');
        // Three nodes should be returned:
        // - Node with both translations public.
        // - Node with only the Catalan translation marked as private.
        // - No language node marked as public.
        $this->assertCount(3, $nids, '$connection->select() returns 3 nodes when no langcode is specified.');
        $this->assertArrayHasKey($this->nodes['both_public']
            ->id(), $nids);
        $this->assertArrayHasKey($this->nodes['ca_private']
            ->id(), $nids);
        $this->assertArrayHasKey($this->nodes['no_language_public']
            ->id(), $nids);
        // Query with Hungarian (hu) specified.
        $select = $connection->select('node', 'n')
            ->fields('n', [
            'nid',
        ])
            ->addMetaData('account', $this->webUser)
            ->addMetaData('langcode', 'hu')
            ->addTag('node_access');
        $nids = $select->execute()
            ->fetchAllAssoc('nid');
        // Two nodes should be returned: the node with both translations public, and
        // the node with only the Catalan translation marked as private.
        $this->assertCount(2, $nids, 'Query returns 2 nodes when the hu langcode is specified.');
        $this->assertArrayHasKey($this->nodes['both_public']
            ->id(), $nids);
        $this->assertArrayHasKey($this->nodes['ca_private']
            ->id(), $nids);
        // Query with Catalan (ca) specified.
        $select = $connection->select('node', 'n')
            ->fields('n', [
            'nid',
        ])
            ->addMetaData('account', $this->webUser)
            ->addMetaData('langcode', 'ca')
            ->addTag('node_access');
        $nids = $select->execute()
            ->fetchAllAssoc('nid');
        // Two nodes should be returned: the node with both translations public, and
        // the node with only the Hungarian translation marked as private.
        $this->assertCount(2, $nids, 'Query returns 2 nodes when the hu langcode is specified.');
        $this->assertArrayHasKey($this->nodes['both_public']
            ->id(), $nids);
        $this->assertArrayHasKey($this->nodes['hu_private']
            ->id(), $nids);
        // Query with German (de) specified.
        $select = $connection->select('node', 'n')
            ->fields('n', [
            'nid',
        ])
            ->addMetaData('account', $this->webUser)
            ->addMetaData('langcode', 'de')
            ->addTag('node_access');
        $nids = $select->execute()
            ->fetchAllAssoc('nid');
        // There are no nodes with German translations, so no results are returned.
        $this->assertEmpty($nids, 'Query returns an empty result when the de langcode is specified.');
        // Query the nodes table as admin user (full access) with the node access
        // tag and no specific langcode.
        $select = $connection->select('node', 'n')
            ->fields('n', [
            'nid',
        ])
            ->addMetaData('account', $this->adminUser)
            ->addTag('node_access');
        $nids = $select->execute()
            ->fetchAllAssoc('nid');
        // All nodes are returned.
        $this->assertCount(6, $nids, 'Query returns all nodes.');
        // Query the nodes table as admin user (full access) with the node access
        // tag and langcode de.
        $select = $connection->select('node', 'n')
            ->fields('n', [
            'nid',
        ])
            ->addMetaData('account', $this->adminUser)
            ->addMetaData('langcode', 'de')
            ->addTag('node_access');
        $nids = $select->execute()
            ->fetchAllAssoc('nid');
        // Even though there is no German translation, all nodes are returned
        // because node access filtering does not occur when the user is user 1.
        $this->assertCount(6, $nids, 'Query returns all nodes.');
    }

}