class CommentOrphanTest

class CommentOrphanTest extends EntityKernelTestBase {
    use EntityViewTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'comment',
        'node',
        'user',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installConfig([
            'user',
        ]);
        $this->installEntitySchema('date_format');
        $this->installEntitySchema('comment');
        $this->installSchema('comment', [
            'comment_entity_statistics',
        ]);
    }
    
    /**
     * Test loading/deleting/rendering orphaned comments.
     *
     * @dataProvider providerTestOrphan
     */
    public function testOrphan($property) : void {
        DateFormat::create([
            'id' => 'fallback',
            'label' => 'Fallback',
            'pattern' => 'Y-m-d',
        ])->save();
        $comment_storage = $this->entityTypeManager
            ->getStorage('comment');
        $node_storage = $this->entityTypeManager
            ->getStorage('node');
        // Create a page node type.
        $this->entityTypeManager
            ->getStorage('node_type')
            ->create([
            'type' => 'page',
            'name' => 'page',
        ])
            ->save();
        $node = $node_storage->create([
            'type' => 'page',
            'title' => 'test',
        ]);
        $node->save();
        // Create comment field.
        $this->entityTypeManager
            ->getStorage('field_storage_config')
            ->create([
            'type' => 'text_long',
            'entity_type' => 'node',
            'field_name' => 'comment',
        ])
            ->save();
        // Add comment field to page content.
        $this->entityTypeManager
            ->getStorage('field_config')
            ->create([
            'field_storage' => FieldStorageConfig::loadByName('node', 'comment'),
            'entity_type' => 'node',
            'bundle' => 'page',
            'label' => 'Comment',
        ])
            ->save();
        // Make two comments
        $comment1 = $comment_storage->create([
            'field_name' => 'comment',
            'comment_body' => 'test',
            'entity_id' => $node->id(),
            'entity_type' => 'node',
            'comment_type' => 'default',
        ])
            ->save();
        $comment_storage->create([
            'field_name' => 'comment',
            'comment_body' => 'test',
            'entity_id' => $node->id(),
            'entity_type' => 'node',
            'comment_type' => 'default',
            'pid' => $comment1,
        ])
            ->save();
        // Render the comments.
        $renderer = \Drupal::service('renderer');
        $comments = $comment_storage->loadMultiple();
        foreach ($comments as $comment) {
            $built = $this->buildEntityView($comment, 'full', NULL);
            $renderer->renderInIsolation($built);
        }
        // Make comment 2 an orphan by setting the property to an invalid value.
        \Drupal::database()->update('comment_field_data')
            ->fields([
            $property => 10,
        ])
            ->condition('cid', 2)
            ->execute();
        $comment_storage->resetCache();
        $node_storage->resetCache();
        // Render the comments with an orphan comment.
        $comments = $comment_storage->loadMultiple();
        foreach ($comments as $comment) {
            $built = $this->buildEntityView($comment, 'full', NULL);
            $renderer->renderInIsolation($built);
        }
        $node = $node_storage->load($node->id());
        $built = $this->buildEntityView($node, 'full', NULL);
        $renderer->renderInIsolation($built);
    }
    
    /**
     * Provides test data for testOrphan.
     */
    public static function providerTestOrphan() {
        return [
            [
                'entity_id',
            ],
            [
                'uid',
            ],
            [
                'pid',
            ],
        ];
    }

}