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));
}