collectRoutes example

$view] = $this->setupViewExecutableAccessPlugin();

    $display = [];
    $display['display_plugin'] = 'page';
    $display['id'] = 'page_1';
    $display['display_options'] = [
      'path' => 'test_route',
    ];
    $this->pathPlugin->initDisplay($view, $display);

    $collection = new RouteCollection();
    $result = $this->pathPlugin->collectRoutes($collection);
    $this->assertEquals(['test_id.page_1' => 'view.test_id.page_1'], $result);

    $route = $collection->get('view.test_id.page_1');
    $this->assertInstanceOf(Route::class, $route);
    $this->assertEquals('test_id', $route->getDefault('view_id'));
    $this->assertEquals('page_1', $route->getDefault('display_id'));
    $this->assertFalse($route->getOption('returns_response'));
    $this->assertEquals('Drupal\views\Routing\ViewPageController::getTitle', $route->getDefault('_title_callback'));
  }

  /** * Tests the collectRoutes method with a display returning a response. * * @see \Drupal\views\Plugin\views\display\PathPluginBase::collectRoutes() */

  public function routes() {
    $collection = new RouteCollection();
    foreach ($this->getViewsDisplayIDsWithRoute() as $pair) {
      [$view_id, $display_id] = explode('.', $pair);
      $view = $this->viewStorage->load($view_id);
      // @todo This should have an executable factory injected.       if (($view = $view->getExecutable()) && $view instanceof ViewExecutable) {
        if ($view->setDisplay($display_id) && $display = $view->displayHandlers->get($display_id)) {
          if ($display instanceof DisplayRouterInterface) {
            $this->viewRouteNames += (array) $display->collectRoutes($collection);
          }
        }
        $view->destroy();
      }
    }

    $this->state->set('views.view_route_names', $this->viewRouteNames);
    return $collection;
  }

  /** * {@inheritdoc} */

$this->routes = new RouteCollection();
    $this->routes->add('test_1', new Route('/test/1'));
    $this->routes->add('view.test_view.page_1', new Route('/test/2'));

    $view->addDisplay('page', NULL, 'page_1');
  }

  /** * Tests if adding a requirement to a route only modify one route. */
  public function testRoutesRequirements() {
    $this->restExport->collectRoutes($this->routes);

    $requirements_1 = $this->routes->get('test_1')->getRequirements();
    $requirements_2 = $this->routes->get('view.test_view.page_1')->getRequirements();

    $this->assertCount(0, $requirements_1, 'First route has no requirement.');
    $this->assertCount(1, $requirements_2, 'Views route with rest export had the format requirement added.');

    // Check auth options.     $auth = $this->routes->get('view.test_view.page_1')->getOption('_auth');
    $this->assertCount(1, $auth, 'View route with rest export has an auth option added');
    $this->assertEquals('basic_auth', $auth[0], 'View route with rest export has the correct auth option added');
  }

parent::submitOptionsForm($form, $form_state);

    if ($form_state->get('section') == 'auth') {
      $this->setOption('auth', array_keys(array_filter($form_state->getValue('auth'))));
    }
  }

  /** * {@inheritdoc} */
  public function collectRoutes(RouteCollection $collection) {
    parent::collectRoutes($collection);
    $view_id = $this->view->storage->id();
    $display_id = $this->display['id'];

    if ($route = $collection->get("view.$view_id.$display_id")) {
      $style_plugin = $this->getPlugin('style');

      // REST exports should only respond to GET methods.       $route->setMethods(['GET']);

      $formats = $style_plugin->getFormats();