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}.");
            }
        }
    }
}