function MenuRouterTest::doTestMenuHierarchy

Tests for menu hierarchy.

File

core/modules/system/tests/src/Functional/Menu/MenuRouterTest.php, line 152

Class

MenuRouterTest

Tests menu router and default menu link functionality.

Namespace

Code

protected function doTestMenuHierarchy() {
    
    /** @var \Drupal\Core\Menu\MenuLinkManagerInterface $menu_link_manager */
    $menu_link_manager = \Drupal::service('plugin.manager.menu.link');
    $menu_links = $menu_link_manager->loadLinksByRoute('menu_test.hierarchy_parent');
    $parent_link = reset($menu_links);
    $menu_links = $menu_link_manager->loadLinksByRoute('menu_test.hierarchy_parent_child');
    $child_link = reset($menu_links);
    $menu_links = $menu_link_manager->loadLinksByRoute('menu_test.hierarchy_parent_child2');
    $unattached_child_link = reset($menu_links);
    $this->assertEquals($parent_link->getPluginId(), $child_link->getParent(), 'The parent of a directly attached child is correct.');
    $this->assertEquals($child_link->getPluginId(), $unattached_child_link->getParent(), 'The parent of a non-directly attached child is correct.');
}