public function RendererRecursionTest::testRenderRecursionWithNestedRenderPlain in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/Tests/Core/Render/RendererRecursionTest.php \Drupal\Tests\Core\Render\RendererRecursionTest::testRenderRecursionWithNestedRenderPlain()

::renderPlain() may be called from anywhere.

Including from inside of another ::renderRoot() call.

@covers ::renderRoot @covers ::renderPlain

File

core/tests/Drupal/Tests/Core/Render/RendererRecursionTest.php, line 101

Class

RendererRecursionTest

@coversDefaultClass \Drupal\Core\Render\Renderer @group Render

Namespace

Drupal\Tests\Core\Render

Code

public function testRenderRecursionWithNestedRenderPlain() {
  list($complex_child_markup, $parent_markup, $complex_child_template) = $this
    ->setUpRenderRecursionComplexElements();
  $renderer = $this->renderer;
  $this
    ->setUpRequest();
  $complex_child = $complex_child_template;
  $callable = function ($elements) use ($renderer, $complex_child, $parent_markup) {
    $elements['#markup'] = $renderer
      ->renderPlain($complex_child);
    $this
      ->assertEquals('<p>This is a rendered placeholder!</p>', $elements['#markup'], 'Rendered complex child output as expected, with the placeholder replaced.');
    return $elements;
  };
  $page = [
    'content' => [
      '#pre_render' => [
        $callable,
      ],
      '#suffix' => $parent_markup,
    ],
  ];
  $output = $renderer
    ->renderRoot($page);
  $this
    ->assertEquals('<p>This is a rendered placeholder!</p>' . $parent_markup, $output, 'Rendered output as expected, with the placeholder replaced.');
  $this
    ->assertNotContains('test:complex_child', $page['#cache']['tags'], 'Cache tag bubbling not performed.');
  $this
    ->assertTrue(empty($page['#attached']), 'Asset bubbling not performed.');
}