class NestedCompositeConstraintValidatorTest

class NestedCompositeConstraintValidatorTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'config_test',
  ];
  
  /**
   * Tests use of AtLeastOneOf validation constraint in config.
   */
  public function testConfigValidation() : void {
    $this->installConfig('config_test');
    $config = \Drupal::configFactory()->getEditable('config_test.validation');
    /** @var \Drupal\Core\Config\TypedConfigManagerInterface $typed_config_manager */
    $typed_config_manager = \Drupal::service('config.typed');
    $config->set('composite.nested', 'green');
    $result = $typed_config_manager->createFromNameAndData('config_test.validation', $config->get())
      ->validate();
    $this->assertCount(0, $result);
    $config->set('composite.nested', 'green is a bit longer than 20');
    $result = $typed_config_manager->createFromNameAndData('config_test.validation', $config->get())
      ->validate();
    $this->assertCount(0, $result);
    $config->set('composite.nested', '');
    $result = $typed_config_manager->createFromNameAndData('config_test.validation', $config->get())
      ->validate();
    $this->assertCount(1, $result);
    $this->assertEquals('This value should not be blank.', $result->get(0)
      ->getMessage());
    $this->assertEquals('composite.nested', $result->get(0)
      ->getPropertyPath());
    $config->set('composite.nested', '12345678901');
    $result = $typed_config_manager->createFromNameAndData('config_test.validation', $config->get())
      ->validate();
    $this->assertCount(1, $result);
    $this->assertEquals('This value should satisfy at least one of the following constraints: [1] This value is too long. It should have 10 characters or less. [2] This value is too short. It should have 20 characters or more.', $result->get(0)
      ->getMessage());
    $this->assertEquals('composite.nested', $result->get(0)
      ->getPropertyPath());
  }

}