public function RenderTest::testRenderRootDeprecation in Drupal 8

Tests the drupal_render_root() deprecation.

@group legacy @expectedDeprecation drupal_render_root() is deprecated in drupal:8.0.0 and is removed from drupal:9.0.0. Use \Drupal\Core\Render\RendererInterface::renderRoot() instead. See https://www.drupal.org/node/2912696

File

core/tests/Drupal/KernelTests/Core/Render/RenderTest.php, line 81

Class

RenderTest

Performs functional tests on drupal_render().

Namespace

Drupal\KernelTests\Core\Render

Code

public function testRenderRootDeprecation() {
  \Drupal::state()
    ->set('theme_preprocess_attached_test', TRUE);
  $test_element = [
    '#theme' => 'common_test_render_element',
    'foo' => [
      '#markup' => 'Kittens!',
    ],
  ];
  drupal_render_root($test_element);
  $expected_attached = [
    'library' => [
      'test/generic_preprocess',
      'test/specific_preprocess',
    ],
  ];
  $this
    ->assertEqual($expected_attached, $test_element['#attached'], 'All expected assets from theme preprocess hooks attached.');
}