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.');
}