class MenuTest

class MenuTest extends WizardTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * Tests the menu functionality.
   */
  public function testMenus() {
    $this->drupalPlaceBlock('system_menu_block:main');
    // Create a view with a page display and a menu link in the Main Menu.
    $view = [];
    $view['label'] = $this->randomMachineName(16);
    $view['id'] = strtolower($this->randomMachineName(16));
    $view['description'] = $this->randomMachineName(16);
    $view['page[create]'] = 1;
    $view['page[title]'] = $this->randomMachineName(16);
    $view['page[path]'] = $this->randomMachineName(16);
    $view['page[link]'] = 1;
    $view['page[link_properties][parent]'] = 'main:';
    $view['page[link_properties][title]'] = $this->randomMachineName(16);
    $this->drupalGet('admin/structure/views/add');
    $this->submitForm($view, 'Save and edit');
    // Make sure there is a link to the view from the front page (where we
    // expect the main menu to display).
    $this->drupalGet('');
    $this->assertSession()
      ->statusCodeEquals(200);
    $this->assertSession()
      ->linkExists($view['page[link_properties][title]']);
    $this->assertSession()
      ->linkByHrefExists(Url::fromUri('base:' . $view['page[path]'])->toString());
    // Make sure the link is associated with the main menu.
    /** @var \Drupal\Core\Menu\MenuLinkManagerInterface $menu_link_manager */
    $menu_link_manager = \Drupal::service('plugin.manager.menu.link');
    /** @var \Drupal\Core\Menu\MenuLinkInterface $link */
    $link = $menu_link_manager->createInstance('views_view:views.' . $view['id'] . '.page_1');
    $url = $link->getUrlObject();
    $this->assertEquals('view.' . $view['id'] . '.page_1', $url->getRouteName(), new FormattableMarkup('Found a link to %path in the main menu', [
      '%path' => $view['page[path]'],
    ]));
    $metadata = $link->getMetaData();
    $this->assertEquals([
      'view_id' => $view['id'],
      'display_id' => 'page_1',
    ], $metadata);
  }

}