protected function checkRenderOutput(IComponent $control, $expected, array $renderParameters = []) { if (!$control->getParent()) { $this->attachToPresenter($control); } ob_start(); $control->render(...$renderParameters); if (is_file($expected)) { \Tester\Assert::matchFile($expected, ob_get_clean()); } else { \Tester\Assert::match($expected, ob_get_clean()); } }