@Test
  public void assertThatResetKeyMustBeValid() {
    User user =
        userService.createUserInformation(
            "johndoe", "johndoe", "John", "Doe", "john.doe@localhost", "en-US");

    ZonedDateTime daysAgo = ZonedDateTime.now().minusHours(25);
    user.setActivated(true);
    user.setResetDate(daysAgo);
    user.setResetKey("1234");
    userRepository.save(user);
    Optional<User> maybeUser = userService.completePasswordReset("johndoe2", user.getResetKey());
    assertThat(maybeUser.isPresent()).isFalse();
    userRepository.delete(user);
  }
 @Test
 public void testFindNotActivatedUsersByCreationDateBefore() {
   userService.removeNotActivatedUsers();
   ZonedDateTime now = ZonedDateTime.now();
   List<User> users =
       userRepository.findAllByActivatedIsFalseAndCreatedDateBefore(now.minusDays(3));
   assertThat(users).isEmpty();
 }
 @Test
 public void assertThatOnlyActivatedUserCanRequestPasswordReset() {
   User user =
       userService.createUserInformation(
           "johndoe", "johndoe", "John", "Doe", "john.doe@localhost", "en-US");
   Optional<User> maybeUser = userService.requestPasswordReset("john.doe@localhost");
   assertThat(maybeUser.isPresent()).isFalse();
   userRepository.delete(user);
 }
 @Test
 public void testRemoveOldPersistentTokens() {
   User admin = userRepository.findOneByLogin("admin").get();
   int existingCount = persistentTokenRepository.findByUser(admin).size();
   generateUserToken(admin, "1111-1111", LocalDate.now());
   LocalDate now = LocalDate.now();
   generateUserToken(admin, "2222-2222", now.minusDays(32));
   assertThat(persistentTokenRepository.findByUser(admin)).hasSize(existingCount + 2);
   userService.removeOldPersistentTokens();
   assertThat(persistentTokenRepository.findByUser(admin)).hasSize(existingCount + 1);
 }
  @Test
  public void assertThatUserCanResetPassword() {
    User user =
        userService.createUserInformation(
            "johndoe", "johndoe", "John", "Doe", "john.doe@localhost", "en-US");
    String oldPassword = user.getPassword();
    ZonedDateTime daysAgo = ZonedDateTime.now().minusHours(2);
    String resetKey = RandomUtil.generateResetKey();
    user.setActivated(true);
    user.setResetDate(daysAgo);
    user.setResetKey(resetKey);
    userRepository.save(user);
    Optional<User> maybeUser = userService.completePasswordReset("johndoe2", user.getResetKey());
    assertThat(maybeUser.isPresent()).isTrue();
    assertThat(maybeUser.get().getResetDate()).isNull();
    assertThat(maybeUser.get().getResetKey()).isNull();
    assertThat(maybeUser.get().getPassword()).isNotEqualTo(oldPassword);

    userRepository.delete(user);
  }