if (StringUtil.isBlank(userCode)) {
            return null;
        }

        userCode = createUserCodeFromUserId(userCode);
        request.setAttribute(Constants.USER_CODE, userCode);
        deleteUserCodeFromCookie(request);
        return userCode;
    }

    /**
     * Creates an encrypted user code from a user ID.
     * The user ID is encrypted using the primary cipher and validated against the configuration.

                assertTrue(userCode.isEmpty());
                assertEquals(0, age);
            }
        };
        MockletHttpServletRequest request = getMockRequest();

        userInfoHelper.deleteUserCodeFromCookie(request);
    }

    public void test_getId() {
        UserInfoHelper userInfoHelper = new UserInfoHelper();
        String id1 = userInfoHelper.getId();
        String id2 = userInfoHelper.getId();