class ContentEntityFieldMethodInvocationOrderTest

class ContentEntityFieldMethodInvocationOrderTest extends EntityKernelTestBase {
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'language',
    'system',
    'entity_test',
  ];
  
  /**
   * The EntityTest entity type storage.
   *
   * @var \Drupal\Core\Entity\ContentEntityStorageInterface
   */
  protected $entityTestFieldMethodsStorage;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    // Enable an additional language.
    ConfigurableLanguage::createFromLangcode('de')->save();
    ConfigurableLanguage::createFromLangcode('fr')->save();
    $this->installEntitySchema('entity_test_field_methods');
    $this->entityTestFieldMethodsStorage = $this->entityTypeManager
      ->getStorage('entity_test_field_methods');
  }
  
  /**
   * Tests correct field method invocation order.
   */
  public function testFieldMethodInvocationOrder() {
    // Create a test entity.
    $entity = $this->entityTestFieldMethodsStorage
      ->create([
      'name' => $this->randomString(),
      'langcode' => 'de',
    ]);
    $entity->save();
    $entity->addTranslation('fr')
      ->save();
    // Reset the current value of the test field.
    foreach ([
      'de',
      'fr',
    ] as $langcode) {
      $entity->getTranslation($langcode)->test_invocation_order->value = 0;
    }
    $entity->getTranslation('de')
      ->save();
    // Verify that the field presave method has been invoked in the correct
    // entity translation order.
    $this->assertGreaterThan($entity->getTranslation('de')->test_invocation_order->value, $entity->getTranslation('fr')->test_invocation_order->value);
    // Reset the current value of the test field.
    foreach ([
      'de',
      'fr',
    ] as $langcode) {
      $entity->getTranslation($langcode)->test_invocation_order->value = 0;
    }
    $entity->getTranslation('fr')
      ->save();
    // Verify that the field presave method has been invoked in the correct
    // entity translation order.
    $this->assertGreaterThan($entity->getTranslation('fr')->test_invocation_order->value, $entity->getTranslation('de')->test_invocation_order->value);
  }

}