class LazyRouteProviderInstallTest

class LazyRouteProviderInstallTest extends BrowserTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'lazy_route_provider_install_test',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * Tests that the lazy route provider is used during a module install.
   */
  public function testInstallation() {
    $this->container
      ->get('module_installer')
      ->install([
      'router_test',
    ]);
    // Note that on DrupalCI the test site is installed in a sub directory so
    // we cannot use ::assertEquals().
    $this->assertStringEndsWith('/admin', \Drupal::state()->get('Drupal\\lazy_route_provider_install_test\\PluginManager'));
    $this->assertStringEndsWith('/router_test/test1', \Drupal::state()->get('router_test_install'));
    // If there is an exception thrown in rebuilding a route then the state
    // 'lazy_route_provider_install_test_menu_links_discovered_alter' will be
    // set.
    // @see lazy_route_provider_install_test_menu_links_discovered_alter().
    $this->assertEquals('success', \Drupal::state()->get('lazy_route_provider_install_test_menu_links_discovered_alter', NULL));
  }

}