Issue #3293284 by catch: Throw an exception when Router::generate() is called

  }

  /**

   * {@inheritdoc}

   * This method is intentionally not implemented. Use

   * Drupal\Core\Url instead.

   *

   * @see https://www.drupal.org/node/2820197

   *

   * @throws \BadMethodCallException

   */

  public function generate($name, $parameters = [], $referenceType = self::ABSOLUTE_PATH): string {

    @trigger_error(__METHOD__ . '() is deprecated in drupal:8.3.0 and will throw an exception from drupal:10.0.0. Use the \Drupal\Core\Url object instead. See https://www.drupal.org/node/2820197', E_USER_DEPRECATED);

    return $this->urlGenerator->generate($name, $parameters, $referenceType);

    throw new \BadMethodCallException(__METHOD__ . '() is not supported. Use the \Drupal\Core\Url object instead. See https://www.drupal.org/node/2820197');

  }

}

 * @group Routing

 * @group legacy

 */

class RouterLegacyTest extends UnitTestCase {

class RouterUnsupportedTest extends UnitTestCase {

  /**

   * @covers ::generate

   */

  public function testGenerateDeprecated() {

    $this->expectDeprecation('Drupal\Core\Routing\Router::generate() is deprecated in drupal:8.3.0 and will throw an exception from drupal:10.0.0. Use the \Drupal\Core\Url object instead. See https://www.drupal.org/node/2820197');

  public function testGenerateUnsupported() {

    $this->expectException(\BadMethodCallException::class);

    $route_provider = $this->prophesize(RouteProviderInterface::class);

    $current_path_stack = $this->prophesize(CurrentPathStack::class);

    $url_generator = $this->prophesize(UrlGeneratorInterface::class);

      ->generate($route_name, Argument::any(), Argument::any())

      ->willReturn($route_path);

    $router = new Router($route_provider->reveal(), $current_path_stack->reveal(), $url_generator->reveal());

    $this->assertEquals($route_path, $router->generate($route_name));

    $router->generate($route_name);

  }

}