class BigPipePlaceholderTestCases in Drupal 8

BigPipe placeholder test cases for use in both unit and integration tests.

• Unit test: \Drupal\Tests\big_pipe\Unit\Render\Placeholder\BigPipeStrategyTest
• Integration test for BigPipe with JS on: \Drupal\Tests\big_pipe\Functional\BigPipeTest::testBigPipe()
• Integration test for BigPipe with JS off: \Drupal\Tests\big_pipe\Functional\BigPipeTest::testBigPipeNoJs()

Hierarchy

• class \Drupal\big_pipe_test\BigPipePlaceholderTestCases

2 files declare their use of BigPipePlaceholderTestCases

BigPipeStrategyTest.php in core/modules/big_pipe/tests/src/Unit/Render/Placeholder/BigPipeStrategyTest.php

BigPipeTest.php in core/modules/big_pipe/tests/src/Functional/BigPipeTest.php

File

core/modules/big_pipe/tests/modules/big_pipe_test/src/BigPipePlaceholderTestCases.php, line 24

Namespace

Drupal\big_pipe_test

class BigPipePlaceholderTestCases {

  /**
   * Gets all BigPipe placeholder test cases.
   *
   * @param \Symfony\Component\DependencyInjection\ContainerInterface|null $container
   *   Optional. Necessary to get the embedded AJAX/HTML responses.
   * @param \Drupal\Core\Session\AccountInterface|null $user
   *   Optional. Necessary to get the embedded AJAX/HTML responses.
   *
   * @return \Drupal\big_pipe_test\BigPipePlaceholderTestCase[]
   */
  public static function cases(ContainerInterface $container = NULL, AccountInterface $user = NULL) {

    // Define the two types of cacheability that we expect to see. These will be
    // used in the expectations.
    $cacheability_depends_on_session_only = [
      'max-age' => 0,
      'contexts' => [
        'session.exists',
      ],
    ];
    $cacheability_depends_on_session_and_nojs_cookie = [
      'max-age' => 0,
      'contexts' => [
        'session.exists',
        'cookies:big_pipe_nojs',
      ],
    ];

    // 1. Real-world example of HTML placeholder.
    $status_messages = new BigPipePlaceholderTestCase([
      '#type' => 'status_messages',
    ], '<drupal-render-placeholder callback="Drupal\\Core\\Render\\Element\\StatusMessages::renderMessages" arguments="0" token="_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"></drupal-render-placeholder>', [
      '#lazy_builder' => [
        'Drupal\\Core\\Render\\Element\\StatusMessages::renderMessages',
        [
          NULL,
        ],
      ],
    ]);
    $status_messages->bigPipePlaceholderId = 'callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA';
    $status_messages->bigPipePlaceholderRenderArray = [
      '#markup' => '<span data-big-pipe-placeholder-id="callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"></span>',
      '#cache' => $cacheability_depends_on_session_and_nojs_cookie,
      '#attached' => [
        'library' => [
          'big_pipe/big_pipe',
        ],
        'drupalSettings' => [
          'bigPipePlaceholderIds' => [
            'callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&args%5B0%5D&token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA' => TRUE,
          ],
        ],
        'big_pipe_placeholders' => [
          'callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA' => $status_messages->placeholderRenderArray,
        ],
      ],
    ];
    $status_messages->bigPipeNoJsPlaceholder = '<span data-big-pipe-nojs-placeholder-id="callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"></span>';
    $status_messages->bigPipeNoJsPlaceholderRenderArray = [
      '#markup' => '<span data-big-pipe-nojs-placeholder-id="callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"></span>',
      '#cache' => $cacheability_depends_on_session_and_nojs_cookie,
      '#attached' => [
        'big_pipe_nojs_placeholders' => [
          '<span data-big-pipe-nojs-placeholder-id="callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"></span>' => $status_messages->placeholderRenderArray,
        ],
      ],
    ];
    if ($container && $user) {
      $status_messages->embeddedAjaxResponseCommands = [
        [
          'command' => 'insert',
          'method' => 'replaceWith',
          'selector' => '[data-big-pipe-placeholder-id="callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&args%5B0%5D&token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"]',
          'data' => '<div data-drupal-messages>' . "\n" . ' <div role="contentinfo" aria-label="Status message" class="messages messages--status">' . "\n" . ' <h2 class="visually-hidden">Status message</h2>' . "\n" . ' Hello from BigPipe!' . "\n" . ' </div>' . "\n" . ' </div>' . "\n",
          'settings' => NULL,
        ],
      ];
      $status_messages->embeddedHtmlResponse = '<div data-drupal-messages-fallback class="hidden"></div><div data-drupal-messages>' . "\n" . '    <div role="contentinfo" aria-label="Status message" class="messages messages--status">' . "\n" . '                  <h2 class="visually-hidden">Status message</h2>' . "\n" . '                    Hello from BigPipe!' . "\n" . '            </div>' . "\n" . '    </div>' . "\n";
    }

    // 2. Real-world example of HTML attribute value placeholder: form action.
    $form_action = new BigPipePlaceholderTestCase($container ? $container
      ->get('form_builder')
      ->getForm('Drupal\\big_pipe_test\\Form\\BigPipeTestForm') : [], 'form_action_cc611e1d', [
      '#lazy_builder' => [
        'form_builder:renderPlaceholderFormAction',
        [],
      ],
    ]);
    $form_action->bigPipeNoJsPlaceholder = 'big_pipe_nojs_placeholder_attribute_safe:form_action_cc611e1d';
    $form_action->bigPipeNoJsPlaceholderRenderArray = [
      '#markup' => 'big_pipe_nojs_placeholder_attribute_safe:form_action_cc611e1d',
      '#cache' => $cacheability_depends_on_session_only,
      '#attached' => [
        'big_pipe_nojs_placeholders' => [
          'big_pipe_nojs_placeholder_attribute_safe:form_action_cc611e1d' => $form_action->placeholderRenderArray,
        ],
      ],
    ];
    if ($container) {
      $form_action->embeddedHtmlResponse = '<form class="big-pipe-test-form" data-drupal-selector="big-pipe-test-form" action="' . base_path() . 'big_pipe_test"';
    }

    // 3. Real-world example of HTML attribute value subset placeholder: CSRF
    // token in link.
    $csrf_token = new BigPipePlaceholderTestCase([
      '#title' => 'Link with CSRF token',
      '#type' => 'link',
      '#url' => Url::fromRoute('system.theme_set_default'),
    ], 'e88b559cce72c80b687d56b0e2a3a5ae4b66bc0e', [
      '#lazy_builder' => [
        'route_processor_csrf:renderPlaceholderCsrfToken',
        [
          'admin/config/user-interface/shortcut/manage/default/add-link-inline',
        ],
      ],
    ]);
    $csrf_token->bigPipeNoJsPlaceholder = 'big_pipe_nojs_placeholder_attribute_safe:e88b559cce72c80b687d56b0e2a3a5ae4b66bc0e';
    $csrf_token->bigPipeNoJsPlaceholderRenderArray = [
      '#markup' => 'big_pipe_nojs_placeholder_attribute_safe:e88b559cce72c80b687d56b0e2a3a5ae4b66bc0e',
      '#cache' => $cacheability_depends_on_session_only,
      '#attached' => [
        'big_pipe_nojs_placeholders' => [
          'big_pipe_nojs_placeholder_attribute_safe:e88b559cce72c80b687d56b0e2a3a5ae4b66bc0e' => $csrf_token->placeholderRenderArray,
        ],
      ],
    ];
    if ($container) {
      $csrf_token->embeddedHtmlResponse = $container
        ->get('csrf_token')
        ->get('admin/appearance/default');
    }

    // 4. Edge case: custom string to be considered as a placeholder that
    // happens to not be valid HTML.
    $hello = new BigPipePlaceholderTestCase([
      '#markup' => BigPipeMarkup::create('<hello'),
      '#attached' => [
        'placeholders' => [
          '<hello' => [
            '#lazy_builder' => [
              '\\Drupal\\big_pipe_test\\BigPipeTestController::helloOrYarhar',
              [],
            ],
          ],
        ],
      ],
    ], '<hello', [
      '#lazy_builder' => [
        'hello_or_yarhar',
        [],
      ],
    ]);
    $hello->bigPipeNoJsPlaceholder = 'big_pipe_nojs_placeholder_attribute_safe:&lt;hello';
    $hello->bigPipeNoJsPlaceholderRenderArray = [
      '#markup' => 'big_pipe_nojs_placeholder_attribute_safe:&lt;hello',
      '#cache' => $cacheability_depends_on_session_only,
      '#attached' => [
        'big_pipe_nojs_placeholders' => [
          'big_pipe_nojs_placeholder_attribute_safe:&lt;hello' => $hello->placeholderRenderArray,
        ],
      ],
    ];
    $hello->embeddedHtmlResponse = '<marquee>Yarhar llamas forever!</marquee>';

    // 5. Edge case: non-#lazy_builder placeholder.
    $current_time = new BigPipePlaceholderTestCase([
      '#markup' => BigPipeMarkup::create('<time>CURRENT TIME</time>'),
      '#attached' => [
        'placeholders' => [
          '<time>CURRENT TIME</time>' => [
            '#pre_render' => [
              '\\Drupal\\big_pipe_test\\BigPipeTestController::currentTime',
            ],
          ],
        ],
      ],
    ], '<time>CURRENT TIME</time>', [
      '#pre_render' => [
        'current_time',
      ],
    ]);
    $current_time->bigPipePlaceholderId = 'timecurrent-timetime';
    $current_time->bigPipePlaceholderRenderArray = [
      '#markup' => '<span data-big-pipe-placeholder-id="timecurrent-timetime"></span>',
      '#cache' => $cacheability_depends_on_session_and_nojs_cookie,
      '#attached' => [
        'library' => [
          'big_pipe/big_pipe',
        ],
        'drupalSettings' => [
          'bigPipePlaceholderIds' => [
            'timecurrent-timetime' => TRUE,
          ],
        ],
        'big_pipe_placeholders' => [
          'timecurrent-timetime' => $current_time->placeholderRenderArray,
        ],
      ],
    ];
    $current_time->embeddedAjaxResponseCommands = [
      [
        'command' => 'insert',
        'method' => 'replaceWith',
        'selector' => '[data-big-pipe-placeholder-id="timecurrent-timetime"]',
        'data' => '<time datetime="1991-03-14"></time>',
        'settings' => NULL,
      ],
    ];
    $current_time->bigPipeNoJsPlaceholder = '<span data-big-pipe-nojs-placeholder-id="timecurrent-timetime"></span>';
    $current_time->bigPipeNoJsPlaceholderRenderArray = [
      '#markup' => '<span data-big-pipe-nojs-placeholder-id="timecurrent-timetime"></span>',
      '#cache' => $cacheability_depends_on_session_and_nojs_cookie,
      '#attached' => [
        'big_pipe_nojs_placeholders' => [
          '<span data-big-pipe-nojs-placeholder-id="timecurrent-timetime"></span>' => $current_time->placeholderRenderArray,
        ],
      ],
    ];
    $current_time->embeddedHtmlResponse = '<time datetime="1991-03-14"></time>';

    // 6. Edge case: #lazy_builder that throws an exception.
    $exception = new BigPipePlaceholderTestCase([
      '#lazy_builder' => [
        '\\Drupal\\big_pipe_test\\BigPipeTestController::exception',
        [
          'llamas',
          'suck',
        ],
      ],
      '#create_placeholder' => TRUE,
    ], '<drupal-render-placeholder callback="\\Drupal\\big_pipe_test\\BigPipeTestController::exception" arguments="0=llamas&amp;1=suck" token="uhKFNfT4eF449_W-kDQX8E5z4yHyt0-nSHUlwaGAQeU"></drupal-render-placeholder>', [
      '#lazy_builder' => [
        '\\Drupal\\big_pipe_test\\BigPipeTestController::exception',
        [
          'llamas',
          'suck',
        ],
      ],
    ]);
    $exception->bigPipePlaceholderId = 'callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3Aexception&amp;args%5B0%5D=llamas&amp;args%5B1%5D=suck&amp;token=uhKFNfT4eF449_W-kDQX8E5z4yHyt0-nSHUlwaGAQeU';
    $exception->bigPipePlaceholderRenderArray = [
      '#markup' => '<span data-big-pipe-placeholder-id="callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3Aexception&amp;args%5B0%5D=llamas&amp;args%5B1%5D=suck&amp;token=uhKFNfT4eF449_W-kDQX8E5z4yHyt0-nSHUlwaGAQeU"></span>',
      '#cache' => $cacheability_depends_on_session_and_nojs_cookie,
      '#attached' => [
        'library' => [
          'big_pipe/big_pipe',
        ],
        'drupalSettings' => [
          'bigPipePlaceholderIds' => [
            'callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3Aexception&args%5B0%5D=llamas&args%5B1%5D=suck&token=uhKFNfT4eF449_W-kDQX8E5z4yHyt0-nSHUlwaGAQeU' => TRUE,
          ],
        ],
        'big_pipe_placeholders' => [
          'callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3Aexception&amp;args%5B0%5D=llamas&amp;args%5B1%5D=suck&amp;token=uhKFNfT4eF449_W-kDQX8E5z4yHyt0-nSHUlwaGAQeU' => $exception->placeholderRenderArray,
        ],
      ],
    ];
    $exception->embeddedAjaxResponseCommands = NULL;
    $exception->bigPipeNoJsPlaceholder = '<span data-big-pipe-nojs-placeholder-id="callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3Aexception&amp;args%5B0%5D=llamas&amp;args%5B1%5D=suck&amp;token=uhKFNfT4eF449_W-kDQX8E5z4yHyt0-nSHUlwaGAQeU"></span>';
    $exception->bigPipeNoJsPlaceholderRenderArray = [
      '#markup' => $exception->bigPipeNoJsPlaceholder,
      '#cache' => $cacheability_depends_on_session_and_nojs_cookie,
      '#attached' => [
        'big_pipe_nojs_placeholders' => [
          $exception->bigPipeNoJsPlaceholder => $exception->placeholderRenderArray,
        ],
      ],
    ];
    $exception->embeddedHtmlResponse = NULL;

    // 7. Edge case: response filter throwing an exception for this placeholder.
    $embedded_response_exception = new BigPipePlaceholderTestCase([
      '#lazy_builder' => [
        '\\Drupal\\big_pipe_test\\BigPipeTestController::responseException',
        [],
      ],
      '#create_placeholder' => TRUE,
    ], '<drupal-render-placeholder callback="\\Drupal\\big_pipe_test\\BigPipeTestController::responseException" arguments="" token="PxOHfS_QL-T01NjBgu7Z7I04tIwMp6La5vM-mVxezbU"></drupal-render-placeholder>', [
      '#lazy_builder' => [
        '\\Drupal\\big_pipe_test\\BigPipeTestController::responseException',
        [],
      ],
    ]);
    $embedded_response_exception->bigPipePlaceholderId = 'callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3AresponseException&amp;&amp;token=PxOHfS_QL-T01NjBgu7Z7I04tIwMp6La5vM-mVxezbU';
    $embedded_response_exception->bigPipePlaceholderRenderArray = [
      '#markup' => '<span data-big-pipe-placeholder-id="callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3AresponseException&amp;&amp;token=PxOHfS_QL-T01NjBgu7Z7I04tIwMp6La5vM-mVxezbU"></span>',
      '#cache' => $cacheability_depends_on_session_and_nojs_cookie,
      '#attached' => [
        'library' => [
          'big_pipe/big_pipe',
        ],
        'drupalSettings' => [
          'bigPipePlaceholderIds' => [
            'callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3AresponseException&&token=PxOHfS_QL-T01NjBgu7Z7I04tIwMp6La5vM-mVxezbU' => TRUE,
          ],
        ],
        'big_pipe_placeholders' => [
          'callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3AresponseException&amp;&amp;token=PxOHfS_QL-T01NjBgu7Z7I04tIwMp6La5vM-mVxezbU' => $embedded_response_exception->placeholderRenderArray,
        ],
      ],
    ];
    $embedded_response_exception->embeddedAjaxResponseCommands = NULL;
    $embedded_response_exception->bigPipeNoJsPlaceholder = '<span data-big-pipe-nojs-placeholder-id="callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3AresponseException&amp;&amp;token=PxOHfS_QL-T01NjBgu7Z7I04tIwMp6La5vM-mVxezbU"></span>';
    $embedded_response_exception->bigPipeNoJsPlaceholderRenderArray = [
      '#markup' => $embedded_response_exception->bigPipeNoJsPlaceholder,
      '#cache' => $cacheability_depends_on_session_and_nojs_cookie,
      '#attached' => [
        'big_pipe_nojs_placeholders' => [
          $embedded_response_exception->bigPipeNoJsPlaceholder => $embedded_response_exception->placeholderRenderArray,
        ],
      ],
    ];
    $exception->embeddedHtmlResponse = NULL;
    return [
      'html' => $status_messages,
      'html_attribute_value' => $form_action,
      'html_attribute_value_subset' => $csrf_token,
      'edge_case__invalid_html' => $hello,
      'edge_case__html_non_lazy_builder' => $current_time,
      'exception__lazy_builder' => $exception,
      'exception__embedded_response' => $embedded_response_exception,
    ];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
BigPipePlaceholderTestCases::cases	public static	function	Gets all BigPipe placeholder test cases.