function ContentEntityCloneTest::testFieldEntityReferenceAfterClone

Tests if entity references on fields are still correct after cloning.

File

core/tests/Drupal/KernelTests/Core/Entity/ContentEntityCloneTest.php, line 39

Class

ContentEntityCloneTest

Tests proper cloning of content entities.

Namespace

Code

public function testFieldEntityReferenceAfterClone() : void {
  $user = $this->createUser();
  // Create a test entity.
  $entity = EntityTestMul::create([
    'name' => $this->randomString(),
    'user_id' => $user->id(),
    'language' => 'en',
  ]);
  $translation = $entity->addTranslation('de');
  // Initialize the fields on the translation objects in order to check that
  // they are properly cloned and have a reference to the cloned entity
  // object and not to the original one.
  $entity->getFields();
  $translation->getFields();
  $clone = clone $translation;
  $this->assertEquals($entity->getTranslationLanguages(), $clone->getTranslationLanguages(), 'The entity and its clone have the same translation languages.');
  $default_langcode = $entity->getUntranslated()
    ->language()
    ->getId();
  foreach (array_keys($clone->getTranslationLanguages()) as $langcode) {
    $translation = $clone->getTranslation($langcode);
    foreach ($translation->getFields() as $field_name => $field) {
      if ($field->getFieldDefinition()
        ->isTranslatable()) {
        $this->assertEquals($langcode, $field->getEntity()
          ->language()
          ->getId(), "Translatable field {$field_name} on translation {$langcode} has correct entity reference in translation {$langcode} after cloning.");
        $this->assertSame($translation, $field->getEntity(), "Translatable field {$field_name} on translation {$langcode} has correct reference to the cloned entity object.");
      }
      else {
        $this->assertEquals($default_langcode, $field->getEntity()
          ->language()
          ->getId(), "Non translatable field {$field_name} on translation {$langcode} has correct entity reference in the default translation {$default_langcode} after cloning.");
        $this->assertSame($translation->getUntranslated(), $field->getEntity(), "Non translatable field {$field_name} on translation {$langcode} has correct reference to the cloned entity object in the default translation {$default_langcode}.");
      }
    }
  }
}