class UserRegistrationResourceTest

class UserRegistrationResourceTest extends UnitTestCase {
  const ERROR_MESSAGE = "Unprocessable Entity: validation failed.\nproperty_path: message\nproperty_path_2: message_2\n";
  
  /**
   * Class to be tested.
   *
   * @var \Drupal\user\Plugin\rest\resource\UserRegistrationResource
   */
  protected $testClass;
  
  /**
   * A reflection of self::$testClass.
   *
   * @var \ReflectionClass
   */
  protected $reflection;
  
  /**
   * A user settings config instance.
   *
   * @var \Drupal\Core\Config\ImmutableConfig|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $userSettings;
  
  /**
   * Logger service.
   *
   * @var \Psr\Log\LoggerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $logger;
  
  /**
   * The current user.
   *
   * @var \Drupal\Core\Session\AccountInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $currentUser;
  
  /**
   * The password generator.
   *
   * @var \Drupal\Core\Password\PasswordGeneratorInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $passwordGenerator;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->logger = $this->prophesize(LoggerInterface::class)
      ->reveal();
    $this->userSettings = $this->prophesize(ImmutableConfig::class);
    $this->currentUser = $this->prophesize(AccountInterface::class);
    $this->passwordGenerator = $this->prophesize(PasswordGeneratorInterface::class)
      ->reveal();
    $this->testClass = new UserRegistrationResource([], 'plugin_id', '', [], $this->logger, $this->userSettings
      ->reveal(), $this->currentUser
      ->reveal(), $this->passwordGenerator);
    $this->reflection = new \ReflectionClass($this->testClass);
  }
  
  /**
   * Tests that an exception is thrown when no data provided for the account.
   */
  public function testEmptyPost() : void {
    $this->expectException(BadRequestHttpException::class);
    $this->testClass
      ->post(NULL);
  }
  
  /**
   * Tests that only new user accounts can be registered.
   */
  public function testExistedEntityPost() : void {
    $entity = $this->prophesize(User::class);
    $entity->isNew()
      ->willReturn(FALSE);
    $this->expectException(BadRequestHttpException::class);
    $this->testClass
      ->post($entity->reveal());
  }
  
  /**
   * Tests that admin permissions are required to register a user account.
   */
  public function testRegistrationAdminOnlyPost() : void {
    $this->userSettings
      ->get('register')
      ->willReturn(UserInterface::REGISTER_ADMINISTRATORS_ONLY);
    $this->currentUser
      ->isAnonymous()
      ->willReturn(TRUE);
    $this->testClass = new UserRegistrationResource([], 'plugin_id', '', [], $this->logger, $this->userSettings
      ->reveal(), $this->currentUser
      ->reveal(), $this->passwordGenerator);
    $entity = $this->prophesize(User::class);
    $entity->isNew()
      ->willReturn(TRUE);
    $this->expectException(AccessDeniedHttpException::class);
    $this->testClass
      ->post($entity->reveal());
  }
  
  /**
   * Tests that only anonymous users can register users.
   */
  public function testRegistrationAnonymousOnlyPost() : void {
    $this->currentUser
      ->isAnonymous()
      ->willReturn(FALSE);
    $this->testClass = new UserRegistrationResource([], 'plugin_id', '', [], $this->logger, $this->userSettings
      ->reveal(), $this->currentUser
      ->reveal(), $this->passwordGenerator);
    $entity = $this->prophesize(User::class);
    $entity->isNew()
      ->willReturn(TRUE);
    $this->expectException(AccessDeniedHttpException::class);
    $this->testClass
      ->post($entity->reveal());
  }

}