function ContentEntityCloneTest::testClonedEntityFields

Tests if the entity fields are properly cloned.

File

core/tests/Drupal/KernelTests/Core/Entity/ContentEntityCloneTest.php, line 106

Class

ContentEntityCloneTest

Tests proper cloning of content entities.

Namespace

Code

public function testClonedEntityFields() : void {
    $user = $this->createUser();
    // Create a test entity.
    $entity = EntityTestMul::create([
        'name' => $this->randomString(),
        'user_id' => $user->id(),
        'language' => 'en',
    ]);
    $entity->addTranslation('de');
    $entity->save();
    $fields = array_keys($entity->getFieldDefinitions());
    // Reload the entity, clone it and check that both entity objects reference
    // different field instances.
    $entity = $this->reloadEntity($entity);
    $clone = clone $entity;
    $different_references = TRUE;
    foreach ($fields as $field_name) {
        if ($entity->get($field_name) === $clone->get($field_name)) {
            $different_references = FALSE;
        }
    }
    $this->assertTrue($different_references, 'The entity object and the cloned entity object reference different field item list objects.');
    // Reload the entity, initialize one translation, clone it and check that
    // both entity objects reference different field instances.
    $entity = $this->reloadEntity($entity);
    $entity->getTranslation('de');
    $clone = clone $entity;
    $different_references = TRUE;
    foreach ($fields as $field_name) {
        if ($entity->get($field_name) === $clone->get($field_name)) {
            $different_references = FALSE;
        }
    }
    $this->assertTrue($different_references, 'The entity object and the cloned entity object reference different field item list objects if the entity is cloned after an entity translation has been initialized.');
}