@Test
public void registerUser() {
User user = UserData.randomNewUser();
Date currentTime = new Date();
accountService.setDateProvider(new ConfigurableDateProvider(currentTime));
accountService.registerUser(user);
// 验证user的角色，注册日期和加密后的密码都被自动更新了。
assertEquals("user", user.getRoles());
assertEquals(currentTime, user.getRegisterDate());
assertNotNull(user.getPassword());
assertNotNull(user.getSalt());
}
