class NavigationMenuMarkupTest

class NavigationMenuMarkupTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'system',
        'navigation',
        'menu_test',
        'menu_link_content',
        'field',
        'block',
        'user',
        'link',
        'layout_builder',
    ];
    
    /**
     * The menu for testing.
     *
     * @var \Drupal\system\MenuInterface
     */
    protected $menu;
    
    /**
     * The menu link tree service.
     *
     * @var \Drupal\Core\Menu\MenuLinkTree
     */
    protected $linkTree;
    
    /**
     * The menu link plugin manager service.
     *
     * @var \Drupal\Core\Menu\MenuLinkManagerInterface
     */
    protected $menuLinkManager;
    
    /**
     * The block manager service.
     *
     * @var \Drupal\Core\Block\BlockManager
     */
    protected $blockManager;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installEntitySchema('menu_link_content');
        $this->menuLinkManager = $this->container
            ->get('plugin.manager.menu.link');
        $this->linkTree = $this->container
            ->get('menu.link_tree');
        $this->blockManager = $this->container
            ->get('plugin.manager.block');
        $routes = new RouteCollection();
        $requirements = [
            '_access' => 'TRUE',
        ];
        $options = [
            '_access_checks' => [
                'access_check.default',
            ],
        ];
        $routes->add('example1', new Route('/example1', [], $requirements, $options));
        $routes->add('example2', new Route('/example2', [], $requirements, $options));
        $routes->add('example3', new Route('/example3', [], $requirements, $options));
        // Define our RouteProvider mock.
        $mock_route_provider = new MockRouteProvider($routes);
        $this->container
            ->set('router.route_provider', $mock_route_provider);
        // Define our UrlGenerator service that use the new RouteProvider.
        $url_generator_non_bubbling = new UrlGenerator($mock_route_provider, $this->container
            ->get('path_processor_manager'), $this->container
            ->get('route_processor_manager'), $this->container
            ->get('request_stack'), $this->container
            ->getParameter('filter_protocols'));
        $url_generator = new MetadataBubblingUrlGenerator($url_generator_non_bubbling, $this->container
            ->get('renderer'));
        $this->container
            ->set('url_generator', $url_generator);
        // Add a new custom menu.
        $menu_name = 'mock';
        $label = $this->randomMachineName(16);
        $this->menu = Menu::create([
            'id' => $menu_name,
            'label' => $label,
            'description' => 'Description text',
        ]);
        $this->menu
            ->save();
        // This creates a tree with the following structure:
        // - 1
        // - 2
        //   - 3
        // phpcs:disable
        $links = [
            1 => MenuLinkMock::create([
                'id' => 'test.example1',
                'route_name' => 'example1',
                'title' => 'title 1',
                'parent' => '',
                'weight' => 0,
            ]),
            2 => MenuLinkMock::create([
                'id' => 'test.example2',
                'route_name' => 'example2',
                'title' => 'Another title',
                'parent' => '',
                'route_parameters' => [
                    'foo' => 'bar',
                ],
                'weight' => 1,
            ]),
            3 => MenuLinkMock::create([
                'id' => 'test.example3',
                'route_name' => 'example3',
                'title' => 'Nested menu link',
                'parent' => 'test.example2',
                'weight' => 2,
            ]),
        ];
        // phpcs:enable
        foreach ($links as $instance) {
            $this->menuLinkManager
                ->addDefinition($instance->getPluginId(), $instance->getPluginDefinition());
        }
    }
    
    /**
     * Tests the generated HTML markup.
     */
    public function testToolbarButtonAttributes() : void {
        $block = $this->blockManager
            ->createInstance('navigation_menu:' . $this->menu
            ->id(), [
            'region' => 'content',
            'id' => 'machine_name',
            'level' => 1,
            'depth' => NavigationMenuBlock::NAVIGATION_MAX_DEPTH - 1,
        ]);
        $block_build = $block->build();
        $render = \Drupal::service('renderer')->renderRoot($block_build);
        $dom = new \DOMDocument();
        $dom->loadHTML((string) $render);
        $xpath = new \DOMXPath($dom);
        $items_query = [
            "//li[contains(@class,'toolbar-block__list-item')]/a[@data-index-text='t']",
            "//li[contains(@class,'toolbar-block__list-item')]/a[@data-icon-text='ti']",
            "//li[contains(@class,'toolbar-block__list-item')]/button[@data-index-text='a']",
            "//li[contains(@class,'toolbar-block__list-item')]/button[@data-icon-text='An']",
            "//li[contains(@class,'toolbar-menu__item--level-1')]/a[@data-index-text='n']",
            "//li[contains(@class,'toolbar-menu__item--level-1')]/a[@data-icon-text='Ne']",
        ];
        foreach ($items_query as $query) {
            $element = $xpath->query($query);
            $this->assertEquals(1, $element->length, $query);
        }
    }

}