    @Test
    public void testAuth() throws Exception {

        String subject = "testing-only";
        String credentials = authenticationService.generateCredentials(UUID.randomUUID().toString(), new String[]{"alibaba"}, new String[]{"default"}, new String[]{"internal"}, null, subject, new String[]{"leijuan"});
        System.out.println(credentials);
        Principal principal = authenticationService.auth("JWT", credentials);
        Assertions.assertNotNull(principal);
        Assertions.assertEquals(subject, principal.getName());
    }