public void SetDateService_EndDateNull() { _lastInfoRepository.GetEndDate(Arg.Any <long>()).Returns(x => null); var result = _setDateService.SetDate(new MyBaoJiaViewModel(), new bx_userinfo() { Id = 1 }, "2018-1-1", "2017-1-1"); Assert.AreEqual("2018-1-1", result.BizStartDate); Assert.AreEqual("2017-1-1", result.ForceStartDate); Assert.AreEqual("", result.LastBusinessEndDdate); Assert.AreEqual("", result.LastEndDate); }