render() публичный Метод

Renders flash messages that have been added to the FlashMessageContainer in previous request(s).
public render ( string $as = null, string $severity = null ) : string
$as string The name of the current flashMessage variable for rendering inside
$severity string severity of the messages (One of the \Neos\Error\Messages\Message::SEVERITY_* constants)
Результат string rendered Flash Messages, if there are any.
 /**
  * @test
  * @dataProvider renderDataProvider()
  * @param string $expectedResult
  * @param array $flashMessages
  * @param string $class
  * @return void
  */
 public function renderTests($expectedResult, array $flashMessages = [], $class = null)
 {
     $this->mockFlashMessageContainer->expects($this->once())->method('getMessagesAndFlush')->will($this->returnValue($flashMessages));
     $this->mockTagBuilder->expects($this->once())->method('setContent')->with($expectedResult);
     $this->viewHelper->_set('arguments', ['class' => $class]);
     $this->viewHelper->render();
 }