class MenuLinkTest

class MenuLinkTest extends ViewTestBase {
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_menu_link',
    ];
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'views',
        'views_ui',
        'user',
        'node',
        'menu_ui',
        'block',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * A user with permission to administer views, menus and view content.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $adminUser;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp($import_test_views = TRUE) {
        parent::setUp($import_test_views);
        $this->enableViewsTestModule();
        $this->adminUser = $this->drupalCreateUser([
            'administer views',
            'administer menu',
        ]);
        $this->drupalPlaceBlock('system_menu_block:main');
        $this->drupalCreateContentType([
            'type' => 'page',
        ]);
    }
    
    /**
     * Test that menu links using menu_link_content as parent are visible.
     */
    public function testHierarchicalMenuLinkVisibility() {
        $this->drupalLogin($this->adminUser);
        $node = $this->drupalCreateNode([
            'type' => 'page',
        ]);
        // Create a primary level menu link to the node.
        $link = MenuLinkContent::create([
            'title' => 'Primary level node',
            'menu_name' => 'main',
            'bundle' => 'menu_link_content',
            'parent' => '',
            'link' => [
                [
                    'uri' => 'entity:node/' . $node->id(),
                ],
            ],
        ]);
        $link->save();
        $parent_menu_value = 'main:menu_link_content:' . $link->uuid();
        // Alter the view's menu link in view page to use the menu link from the
        // node as parent.
        $this->drupalPostForm("admin/structure/views/nojs/display/test_menu_link/page_1/menu", [
            'menu[type]' => 'normal',
            'menu[title]' => 'Secondary level view page',
            'menu[parent]' => $parent_menu_value,
        ], 'Apply');
        // Save view which has pending changes.
        $this->drupalPostForm(NULL, [], 'Save');
        // Test if the node as parent menu item is selected in our views settings.
        $this->drupalGet('admin/structure/views/nojs/display/test_menu_link/page_1/menu');
        $this->assertOptionSelected('edit-menu-parent', $parent_menu_value);
        $this->drupalGet('');
        // Test if the primary menu item (node) is visible, and the secondary menu
        // item (view) is hidden.
        $this->assertText('Primary level node');
        $this->assertNoText('Secondary level view page');
        // Go to the node page and ensure that both the first and second level items
        // are visible.
        $this->drupalGet($node->toUrl());
        $this->assertText('Primary level node');
        $this->assertText('Secondary level view page');
    }

}