CommentBundlesTest.php

<?php

namespace Drupal\Tests\comment\Kernel;

use Drupal\comment\Entity\CommentType;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests that comment bundles behave as expected.
 *
 * @group comment
 */
class CommentBundlesTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    public static $modules = [
        'comment',
        'node',
        'taxonomy',
        'user',
    ];
    
    /**
     * Entity type ids to use for target_entity_type_id on comment bundles.
     *
     * @var array
     */
    protected $targetEntityTypes;
    
    /**
     * @var \Drupal\Core\Entity\EntityFieldManagerInterface
     */
    protected $entityFieldManager;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->entityFieldManager = $this->container
            ->get('entity_field.manager');
        $this->installEntitySchema('comment');
        // Create multiple comment bundles,
        // each of which has a different target entity type.
        $this->targetEntityTypes = [
            'comment' => 'Comment',
            'node' => 'Node',
            'taxonomy_term' => 'Taxonomy Term',
        ];
        foreach ($this->targetEntityTypes as $id => $label) {
            CommentType::create([
                'id' => 'comment_on_' . $id,
                'label' => 'Comment on ' . $label,
                'target_entity_type_id' => $id,
            ])->save();
        }
    }
    
    /**
     * Test that the entity_id field is set correctly for each comment bundle.
     */
    public function testEntityIdField() {
        $field_definitions = [];
        foreach (array_keys($this->targetEntityTypes) as $id) {
            $bundle = 'comment_on_' . $id;
            $field_definitions[$bundle] = $this->entityFieldManager
                ->getFieldDefinitions('comment', $bundle);
        }
        // Test that the value of the entity_id field for each bundle is correct.
        foreach ($field_definitions as $bundle => $definition) {
            $entity_type_id = str_replace('comment_on_', '', $bundle);
            $target_type = $definition['entity_id']->getSetting('target_type');
            $this->assertEquals($entity_type_id, $target_type);
            // Verify that the target type remains correct
            // in the deeply-nested object properties.
            $nested_target_type = $definition['entity_id']->getItemDefinition()
                ->getFieldDefinition()
                ->getSetting('target_type');
            $this->assertEquals($entity_type_id, $nested_target_type);
        }
    }

}