@Override public String generateCaptchaKey() throws AccountCaptchaException { String key = RandomGenerator.getRandomString(); String value = getCaptchaText(); captchaMap.put(key, value); return key; }
@Test public void testGetRandomString() throws Exception { Set<String> randoms = new HashSet<String>(100); for (int i = 0; i < 100; i++) { String random = RandomGenerator.getRandomString(); assertFalse(randoms.contains(random)); randoms.add(random); } }