function RenderTest::testRenderRootDeprecation

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 <a href="/api/drupal/core%21includes%21common.inc/function/drupal_render/8.9.x" title="Renders HTML given a structured array tree." class="local">drupal_render</a>().

Namespace

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.');
}