menuTree example

'route_name_1' => new Route('/example-path'),
    ]);
    \Drupal::service('router.builder')->rebuild();

    // Set up a custom menu link pointing to a specific path.     $parent = MenuLinkContent::create([
      'title' => '<script>alert("Welcome to the discovered jungle!")</script>',
      'link' => [['uri' => 'internal:/example-path']],
      'menu_name' => 'tools',
    ]);
    $parent->save();
    $menu_tree = \Drupal::menuTree()->load('tools', new MenuTreeParameters());
    $this->assertCount(1, $menu_tree);
    /** @var \Drupal\Core\Menu\MenuLinkTreeElement $tree_element */
    $tree_element = reset($menu_tree);
    $this->assertEquals('route_name_1', $tree_element->link->getRouteName());

    // Change the underlying route and trigger the rediscovering.     \Drupal::state()->set('menu_link_content_dynamic_route.routes', [
      'route_name_2' => new Route('/example-path'),
    ]);
    \Drupal::service('router.builder')->rebuild();

    

$this->setMockContainerService('form_builder');
    $this->assertNotNull(\Drupal::formBuilder());
  }

  /** * Tests the menuTree() method. * * @covers ::menuTree */
  public function testMenuTree() {
    $this->setMockContainerService('menu.link_tree');
    $this->assertNotNull(\Drupal::menuTree());
  }

  /** * Tests the pathValidator() method. * * @covers ::pathValidator */
  public function testPathValidator() {
    $this->setMockContainerService('path.validator');
    $this->assertNotNull(\Drupal::pathValidator());
  }

  

$route = $collection->get('view.test_page_display_route.page_6');
    $this->assertEquals('/test_route_with_argument/{arg_0}/{arg_1}', $route->getPath());
    $this->assertFalse($route->hasDefault('arg_0'), 'No default value is set for the required argument id.');
    $this->assertFalse($route->hasDefault('arg_1'), 'No default value is set for the required argument id_2.');
  }

  /** * Tests the generated menu links of views. */
  public function testMenuLinks() {
    \Drupal::service('plugin.manager.menu.link')->rebuild();
    $tree = \Drupal::menuTree()->load('admin', new MenuTreeParameters());
    $this->assertTrue(isset($tree['system.admin']->subtree['views_view:views.test_page_display_menu.page_4']));
    $menu_link = $tree['system.admin']->subtree['views_view:views.test_page_display_menu.page_4']->link;
    $this->assertEquals('Test child (with parent)', $menu_link->getTitle());
    $this->assertEquals(TRUE, $menu_link->isExpanded());
    $this->assertEquals('Sample description.', $menu_link->getDescription());
  }

  /** * Tests the calculated dependencies for various views using Page displays. */
  public function testDependencies() {
    

// Create "collection" menu link pointing to the user listing page.     $menu_link_content_collection = MenuLinkContent::create([
      'title' => 'users listing',
      'menu_name' => 'menu_test',
      'link' => [['uri' => 'internal:/' . $user->toUrl('collection')->getInternalPath()]],
      'bundle' => 'menu_test',
    ]);
    $menu_link_content_collection->save();

    // Check is menu links present in the menu.     $menu_tree_condition = (new MenuTreeParameters())->addCondition('route_name', 'entity.user.canonical');
    $this->assertCount(1, \Drupal::menuTree()->load('menu_test', $menu_tree_condition));
    $menu_tree_condition_collection = (new MenuTreeParameters())->addCondition('route_name', 'entity.user.collection');
    $this->assertCount(1, \Drupal::menuTree()->load('menu_test', $menu_tree_condition_collection));

    // Delete the user.     $user->delete();

    // The "canonical" menu item has to be deleted.     $this->assertCount(0, \Drupal::menuTree()->load('menu_test', $menu_tree_condition));

    // The "collection" menu item should still present in the menu.     $this->assertCount(1, \Drupal::menuTree()->load('menu_test', $menu_tree_condition_collection));
  }

  public function testPathAliasChange() {
    $path_alias = $this->createPathAlias('/test-page', '/my-blog');
    $menu_link_content = MenuLinkContent::create([
      'title' => 'Menu title',
      'link' => ['uri' => 'internal:/my-blog'],
      'menu_name' => 'tools',
    ]);
    $menu_link_content->save();

    $tree = \Drupal::menuTree()->load('tools', new MenuTreeParameters());
    $this->assertEquals('test_page_test.test_page', $tree[$menu_link_content->getPluginId()]->link->getPluginDefinition()['route_name']);

    // Saving an alias should clear the alias manager cache.     $path_alias->setPath('/test-render-title');
    $path_alias->setAlias('/my-blog');
    $path_alias->save();

    $tree = \Drupal::menuTree()->load('tools', new MenuTreeParameters());
    $this->assertEquals('test_page_test.render_title', $tree[$menu_link_content->getPluginId()]->link->getPluginDefinition()['route_name']);

    // Delete the alias.

$edit['label'] = $this->randomMachineName(16);
    $view_id = $edit['id'] = strtolower($this->randomMachineName(16));
    $edit['description'] = $this->randomMachineName(16);
    $edit['page[create]'] = TRUE;
    $edit['page[path]'] = 'admin/foo';

    $this->drupalGet('admin/structure/views/add');
    $this->submitForm($edit, 'Save and edit');

    $parameters = new MenuTreeParameters();
    $parameters->addCondition('id', $menu_link_content->getPluginId());
    $result = \Drupal::menuTree()->load('admin', $parameters);
    $plugin_definition = end($result)->link->getPluginDefinition();
    $this->assertEquals('view.' . $view_id . '.page_1', $plugin_definition['route_name']);

    $this->clickLink('No menu');

    $this->submitForm([
      'menu[type]' => 'default tab',
      'menu[title]' => 'Menu title',
    ], 'Apply');

    $this->assertSession()->pageTextContains('Default tab options');

    

$this->assertSession()->linkByHrefNotExists("admin/people/permissions#module-locale");
      }
    }
  }

  /** * Returns all top level menu links. * * @return \Drupal\Core\Menu\MenuLinkInterface[] */
  protected function getTopLevelMenuLinks() {
    $menu_tree = \Drupal::menuTree();

    // The system.admin link is normally the parent of all top-level admin links.     $parameters = new MenuTreeParameters();
    $parameters->setRoot('system.admin')->excludeRoot()->setTopLevelOnly()->onlyEnabledLinks();
    $tree = $menu_tree->load(NULL, $parameters);
    $manipulators = [
      ['callable' => 'menu.default_tree_manipulators:checkAccess'],
      ['callable' => 'menu.default_tree_manipulators:flatten'],
    ];
    $tree = $menu_tree->transform($tree, $manipulators);

    

public function testOutboundPathAndRouteProcessing() {
    $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

  public function testMoveToRoot() {
    /** @var \Drupal\Core\Menu\MenuLinkManagerInterface $menu_link_manager */
    $menu_link_manager = \Drupal::service('plugin.manager.menu.link');
    $menu_link_manager->rebuild();

    $menu_link = $menu_link_manager->getDefinition('menu_test.child');
    $this->assertEquals('menu_test.parent', $menu_link['parent']);
    $this->assertEquals('test', $menu_link['menu_name']);

    $tree = \Drupal::menuTree()->load('test', new MenuTreeParameters());
    $this->assertCount(1, $tree);
    $this->assertEquals('menu_test.parent', $tree['menu_test.parent']->link->getPluginId());
    $this->assertEquals('menu_test.child', $tree['menu_test.parent']->subtree['menu_test.child']->link->getPluginId());

    // Ensure that the menu name is not forgotten.     $menu_link_manager->updateDefinition('menu_test.child', ['parent' => '']);
    $menu_link = $menu_link_manager->getDefinition('menu_test.child');

    $this->assertEquals('', $menu_link['parent']);
    $this->assertEquals('test', $menu_link['menu_name']);