class UriHostValidatorTest

class UriHostValidatorTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'config_test',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installConfig('config_test');
  }
  
  /**
   * @see \Drupal\Core\Validation\Plugin\Validation\Constraint\UriHostConstraint
   */
  public function testUriHost() : void {
    $typed_config_manager = \Drupal::service('config.typed');
    /** @var \Drupal\Core\Config\Schema\TypedConfigInterface $typed_config */
    $typed_config = $typed_config_manager->get('config_test.validation');
    // Test valid names.
    $typed_config->get('host')
      ->setValue('example.com');
    $this->assertCount(0, $typed_config->validate());
    $typed_config->get('host')
      ->setValue('example.com.');
    $this->assertCount(0, $typed_config->validate());
    $typed_config->get('host')
      ->setValue('default');
    $this->assertCount(0, $typed_config->validate());
    // Test invalid names.
    $typed_config->get('host')
      ->setValue('.example.com');
    $this->assertCount(1, $typed_config->validate());
    // Test valid IPv6 literals.
    $typed_config->get('host')
      ->setValue('[::1]');
    $this->assertCount(0, $typed_config->validate());
    $typed_config->get('host')
      ->setValue('[2001:DB8::]');
    $this->assertCount(0, $typed_config->validate());
    $typed_config->get('host')
      ->setValue('[2001:db8:dd54:4473:bd6e:52db:10b3:4abe]');
    $this->assertCount(0, $typed_config->validate());
    // Test invalid IPv6 literals.
    $typed_config->get('host')
      ->setValue('::1');
    $this->assertCount(1, $typed_config->validate());
    // Test valid IPv4 addresses.
    $typed_config->get('host')
      ->setValue('127.0.0.1');
    $this->assertCount(0, $typed_config->validate());
    $typed_config->get('host')
      ->setValue('192.0.2.254');
    $this->assertCount(0, $typed_config->validate());
  }

}