class RouterTest

class RouterTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'system',
  ];
  
  /**
   * The router.
   *
   * @var \Drupal\Core\Routing\Router
   */
  protected Router $router;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->router = $this->container
      ->get('router.no_access_checks');
  }
  
  /**
   * {@inheritdoc}
   */
  protected function tearDown() : void {
    parent::tearDown();
  }
  
  /**
   * Tests the router request matching.
   */
  public function testMatchRequest() : void {
    $defaults = $this->router
      ->match('/admin');
    $this->assertIsArray($defaults);
    $this->assertArrayHasKey('_route', $defaults);
    $this->assertEquals('system.admin', $defaults['_route']);
    try {
      $this->router
        ->match('/does/not/exist');
      $this->fail(sprintf('%s::match() should throw an exception for a non-existing path.', Router::class));
    } catch (CacheableResourceNotFoundException $exception) {
      $this->assertEquals([], $exception->getCacheContexts());
      $this->assertEquals([], $exception->getCacheTags());
      $this->assertEquals(Cache::PERMANENT, $exception->getCacheMaxAge());
    } catch (\Throwable $exception) {
      $this->fail(sprintf('%s::match() should throw %s, %s thrown instead.', Router::class, CacheableResourceNotFoundException::class, get_class($exception)));
    }
  }

}