function RendererRecursionTest::testRenderRecursionWithNestedRenderRoot

::renderRoot() may not be called inside of another ::renderRoot() call.

@covers ::renderRoot
@covers ::render
@covers ::doRender

File

core/tests/Drupal/Tests/Core/Render/RendererRecursionTest.php, line 37

Class

RendererRecursionTest

@coversDefaultClass \Drupal\Core\Render\Renderer[[api-linebreak]] @group Render

Namespace

Code

public function testRenderRecursionWithNestedRenderRoot() : void {
  [
    $complex_child_markup,
    $parent_markup,
    $complex_child_template,
  ] = $this->setUpRenderRecursionComplexElements();
  $renderer = $this->renderer;
  $this->setUpRequest();
  $complex_child = $complex_child_template;
  $callable = function () use ($renderer, $complex_child) {
    $this->expectException(\LogicException::class);
    $renderer->renderRoot($complex_child);
  };
  $page = [
    'content' => [
      '#pre_render' => [
        $callable,
      ],
      '#suffix' => $parent_markup,
    ],
  ];
  $renderer->renderRoot($page);
}