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class RendererRecursionTest 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

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

Hierarchy

Expanded class hierarchy of RendererRecursionTest

File

core/tests/Drupal/Tests/Core/Render/RendererRecursionTest.php, line 9

Namespace

Drupal\Tests\Core\Render
View source 
class RendererRecursionTest extends RendererTestBase {
  protected function setUpRenderRecursionComplexElements() {
    $complex_child_markup = '<p>Imagine this is a render array for an entity.</p>';
    $parent_markup = '<p>Rendered!</p>';
    $complex_child_template = [
      '#cache' => [
        'tags' => [
          'test:complex_child',
        ],
      ],
      '#lazy_builder' => [
        'Drupal\\Tests\\Core\\Render\\PlaceholdersTest::callback',
        [
          $this
            ->getRandomGenerator()
            ->string(),
        ],
      ],
      '#create_placeholder' => TRUE,
    ];
    return [
      $complex_child_markup,
      $parent_markup,
      $complex_child_template,
    ];
  }

  /**
   * ::renderRoot() may not be called inside of another ::renderRoot() call.
   *
   * @covers ::renderRoot
   * @covers ::render
   * @covers ::doRender
   */
  public function testRenderRecursionWithNestedRenderRoot() {
    list($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);
  }

  /**
   * ::render() may be called from anywhere.
   *
   * Including from inside of another ::renderRoot() call. Bubbling must be
   * performed.
   *
   * @covers ::renderRoot
   * @covers ::render
   * @covers ::doRender
   */
  public function testRenderRecursionWithNestedRender() {
    list($complex_child_markup, $parent_markup, $complex_child_template) = $this
      ->setUpRenderRecursionComplexElements();
    $renderer = $this->renderer;
    $this
      ->setUpRequest();
    $callable = function ($markup) use ($renderer, $complex_child_template) {
      $this
        ->assertStringStartsWith('<drupal-render-placeholder', $markup, 'Rendered complex child output as expected, without the placeholder replaced, i.e. with just the placeholder.');
      return $markup;
    };
    $page = [
      'content' => [
        'complex_child' => $complex_child_template,
        '#post_render' => [
          $callable,
        ],
        '#suffix' => $parent_markup,
      ],
    ];
    $output = $renderer
      ->renderRoot($page);
    $this
      ->assertEquals('<p>This is a rendered placeholder!</p><p>Rendered!</p>', $output, 'Rendered output as expected, with the placeholder replaced.');
    $this
      ->assertContains('test:complex_child', $page['#cache']['tags'], 'Cache tag bubbling performed.');
    $this
      ->assertContains('dynamic_animal', array_keys($page['#attached']['drupalSettings']), 'Asset bubbling performed.');
  }

  /**
   * ::renderPlain() may be called from anywhere.
   *
   * Including from inside of another ::renderRoot() call.
   *
   * @covers ::renderRoot
   * @covers ::renderPlain
   */
  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.');
  }

}

Members

Namesort descending Modifiers Type Description Overrides
PhpUnitWarnings::$deprecationWarnings private static property Deprecation warnings from PHPUnit to raise with @trigger_error().
PhpUnitWarnings::addWarning public function Converts PHPUnit deprecation warnings to E_USER_DEPRECATED.
RendererRecursionTest::setUpRenderRecursionComplexElements protected function
RendererRecursionTest::testRenderRecursionWithNestedRender public function ::render() may be called from anywhere.
RendererRecursionTest::testRenderRecursionWithNestedRenderPlain public function ::renderPlain() may be called from anywhere.
RendererRecursionTest::testRenderRecursionWithNestedRenderRoot public function ::renderRoot() may not be called inside of another ::renderRoot() call.
RendererTestBase::$cacheContexts protected property
RendererTestBase::$cacheFactory protected property
RendererTestBase::$controllerResolver protected property The mocked controller resolver.
RendererTestBase::$currentUserRole protected property The simulated "current" user role, for use in tests with cache contexts.
RendererTestBase::$elementInfo protected property The mocked element info.
RendererTestBase::$memoryCache protected property
RendererTestBase::$placeholderGenerator protected property The tested placeholder generator. 1
RendererTestBase::$renderCache protected property The tested render cache.
RendererTestBase::$renderer protected property The tested renderer.
RendererTestBase::$rendererConfig protected property The mocked renderer configuration.
RendererTestBase::$requestStack protected property
RendererTestBase::$themeManager protected property The mocked theme manager.
RendererTestBase::assertRenderCacheItem protected function Asserts a render cache item.
RendererTestBase::randomContextValue protected function Generates a random context value for the placeholder tests.
RendererTestBase::setUp protected function Overrides UnitTestCase::setUp 3
RendererTestBase::setupMemoryCache protected function Sets up a memory-based render cache back-end.
RendererTestBase::setUpRequest protected function Sets up a request object on the request stack.
RendererTestBase::setUpUnusedCache protected function Sets up a render cache back-end that is asserted to be never used.
UnitTestCase::$randomGenerator protected property The random generator.
UnitTestCase::$root protected property The app root. 1
UnitTestCase::assertArrayEquals Deprecated protected function Asserts if two arrays are equal by sorting them first.
UnitTestCase::getClassResolverStub protected function Returns a stub class resolver.
UnitTestCase::getConfigFactoryStub public function Returns a stub config factory that behaves according to the passed array.
UnitTestCase::getConfigStorageStub public function Returns a stub config storage that returns the supplied configuration.
UnitTestCase::getContainerWithCacheTagsInvalidator protected function Sets up a container with a cache tags invalidator.
UnitTestCase::getRandomGenerator protected function Gets the random generator for the utility methods.
UnitTestCase::getStringTranslationStub public function Returns a stub translation manager that just returns the passed string.
UnitTestCase::randomMachineName public function Generates a unique random string containing letters and numbers.
UnitTestCase::setUpBeforeClass public static function