public void Test_IsValid_joey_1234666666_Should_Return_True() { var target = new AuthService(); var account = "cash"; var password = "******"; IProfileDao stubProfileDao = Substitute.For <IProfileDao>(); stubProfileDao.GetPassword("cash").ReturnsForAnyArgs("1234"); stubProfileDao.GetToken("cash").ReturnsForAnyArgs("666666"); target.MyProfileDao = stubProfileDao; var actual = target.IsValid(account, password); var expected = true; actual.Should().Be(expected); }