class RendererDebugTest

Same name and namespace in other branches
  1. 11.x core/tests/Drupal/Tests/Core/Render/RendererDebugTest.php \Drupal\Tests\Core\Render\RendererDebugTest

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

Hierarchy

Expanded class hierarchy of RendererDebugTest

File

core/tests/Drupal/Tests/Core/Render/RendererDebugTest.php, line 13

Namespace

Drupal\Tests\Core\Render
View on git.drupalcode.org
View source 
class RendererDebugTest extends RendererTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    $this->rendererConfig['debug'] = TRUE;
    parent::setUp();
  }
  
  /**
   * Test render debug output.
   */
  public function testDebugOutput() {
    $this->setUpRequest();
    $this->setupMemoryCache();
    $element = [
      '#cache' => [
        'keys' => [
          'render_cache_test_key',
        ],
        'tags' => [
          'render_cache_test_tag',
          'render_cache_test_tag1',
        ],
        'max-age' => 10,
      ],
      '#markup' => 'Test 1',
    ];
    $markup = $this->renderer
      ->renderRoot($element);
    $expected = <<<EOF
    <!-- START RENDERER -->
    <!-- CACHE-HIT: No -->
    <!-- CACHE TAGS:
       * render_cache_test_tag
       * render_cache_test_tag1
    -->
    <!-- CACHE CONTEXTS:
       * languages:language_interface
       * theme
    -->
    <!-- CACHE KEYS:
       * render_cache_test_key
    -->
    <!-- CACHE MAX-AGE: 10 -->
    <!-- PRE-BUBBLING CACHE TAGS:
       * render_cache_test_tag
       * render_cache_test_tag1
    -->
    <!-- PRE-BUBBLING CACHE CONTEXTS:
       * languages:language_interface
       * theme
    -->
    <!-- PRE-BUBBLING CACHE KEYS:
       * render_cache_test_key
    -->
    <!-- PRE-BUBBLING CACHE MAX-AGE: 10 -->
    <!-- RENDERING TIME: 0.123456789 -->
    Test 1
    <!-- END RENDERER -->
    EOF;
    $this->assertSame($expected, preg_replace('/RENDERING TIME: \\d{1}.\\d{9}/', 'RENDERING TIME: 0.123456789', $markup->__toString()));
    $element = [
      '#cache' => [
        'keys' => [
          'render_cache_test_key',
        ],
        'tags' => [
          'render_cache_test_tag',
          'render_cache_test_tag1',
        ],
        'max-age' => 10,
      ],
      '#markup' => 'Test 1',
    ];
    $markup = $this->renderer
      ->renderRoot($element);
    $this->assertStringContainsString('CACHE-HIT: Yes', $markup->__toString());
  }

}

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.