public function MenuLinkContentCacheabilityBubblingTest::testOutboundPathAndRouteProcessing

Tests bubbleable metadata of menu links' outbound route/path processing.

File

core/modules/menu_link_content/tests/src/Kernel/MenuLinkContentCacheabilityBubblingTest.php, line 56

Class

MenuLinkContentCacheabilityBubblingTest

Ensures that rendered menu links bubble the necessary bubbleable metadata for outbound path/route processing.

Namespace

Code

public function testOutboundPathAndRouteProcessing() {
  \Drupal::service('router.builder')
    ->rebuild();
  $request_stack = \Drupal::requestStack();

  /** @var \Symfony\Component\Routing\RequestContext $request_context */
  $request_context = \Drupal::service('router.request_context');
  $request = Request::create('/');
  $request->attributes
    ->set(RouteObjectInterface::ROUTE_NAME, '<front>');
  $request->attributes
    ->set(RouteObjectInterface::ROUTE_OBJECT, new Route('/'));
  $request_stack
    ->push($request);
  $request_context
    ->fromRequest($request);
  $menu_tree = \Drupal::menuTree();
  $renderer = \Drupal::service('renderer');
  $default_menu_cacheability = (new BubbleableMetadata())
    ->setCacheMaxAge(Cache::PERMANENT)
    ->setCacheTags([
    'config:system.menu.tools',
  ])
    ->setCacheContexts([
    'languages:' . LanguageInterface::TYPE_INTERFACE,
    'theme',
    'user.permissions',
  ]);
  User::create([
    'uid' => 1,
    'name' => $this
      ->randomString(),
  ])
    ->save();
  User::create([
    'uid' => 2,
    'name' => $this
      ->randomString(),
  ])
    ->save();

  // Five test cases, four asserting one outbound path/route processor, and
  // together covering one of each:
  // - no cacheability metadata,
  // - a cache context,
  // - a cache tag,
  // - a cache max-age.
  // Plus an additional test case to verify that multiple links adding
  // cacheability metadata of the same type is working (two links with cache
  // tags).
  $test_cases = [
    // \Drupal\Core\RouteProcessor\RouteProcessorCurrent: 'route' cache context.
    [
      'uri' => 'route:<current>',
      'cacheability' => (new BubbleableMetadata())
        ->setCacheContexts([
        'route',
      ]),
    ],
    // \Drupal\Core\Access\RouteProcessorCsrf: placeholder.
    [
      'uri' => 'route:outbound_processing_test.route.csrf',
      'cacheability' => (new BubbleableMetadata())
        ->setCacheContexts([
        'session',
      ])
        ->setAttachments([
        'placeholders' => [],
      ]),
    ],
    // \Drupal\Core\PathProcessor\PathProcessorFront: permanently cacheable.
    [
      'uri' => 'internal:/',
      'cacheability' => new BubbleableMetadata(),
    ],
    // \Drupal\url_alter_test\PathProcessorTest: user entity's cache tags.
    [
      'uri' => 'internal:/user/1',
      'cacheability' => (new BubbleableMetadata())
        ->setCacheTags(User::load(1)
        ->getCacheTags()),
    ],
    [
      'uri' => 'internal:/user/2',
      'cacheability' => (new BubbleableMetadata())
        ->setCacheTags(User::load(2)
        ->getCacheTags()),
    ],
  ];

  // Test each expectation individually.
  foreach ($test_cases as $expectation) {
    $menu_link_content = MenuLinkContent::create([
      'link' => [
        'uri' => $expectation['uri'],
      ],
      'menu_name' => 'tools',
      'title' => 'Link test',
    ]);
    $menu_link_content
      ->save();
    $tree = $menu_tree
      ->load('tools', new MenuTreeParameters());
    $build = $menu_tree
      ->build($tree);
    $renderer
      ->renderRoot($build);
    $expected_cacheability = $default_menu_cacheability
      ->merge($expectation['cacheability']);
    $this
      ->assertEqual($expected_cacheability, BubbleableMetadata::createFromRenderArray($build));
    $menu_link_content
      ->delete();
  }

  // Now test them all together in one menu: the rendered menu's cacheability
  // metadata should be the combination of the cacheability of all links, and
  // thus of all tested outbound path & route processors.
  $expected_cacheability = new BubbleableMetadata();
  foreach ($test_cases as $expectation) {
    $menu_link_content = MenuLinkContent::create([
      'link' => [
        'uri' => $expectation['uri'],
      ],
      'menu_name' => 'tools',
      'title' => 'Link test',
    ]);
    $menu_link_content
      ->save();
    $expected_cacheability = $expected_cacheability
      ->merge($expectation['cacheability']);
  }
  $tree = $menu_tree
    ->load('tools', new MenuTreeParameters());
  $build = $menu_tree
    ->build($tree);
  $renderer
    ->renderRoot($build);
  $expected_cacheability = $expected_cacheability
    ->merge($default_menu_cacheability);
  $this
    ->assertEqual($expected_cacheability, BubbleableMetadata::createFromRenderArray($build));
}