public void Update_Supporters_Count() { IEnumerable<UpdateSupport> updtsprt = new List<UpdateSupport> { new UpdateSupport { UpdateSupportId =1, UpdateId = 1,UserId = "402bd590-fdc7-49ad-9728-40efbfe512ec"}, new UpdateSupport { UpdateSupportId =1, UpdateId = 1,UserId = "402bd590-fdc7-49ad-9728-40efbfe512ec"}, new UpdateSupport { UpdateSupportId =1, UpdateId = 1,UserId = "402bd590-fdc7-49ad-9728-40efbfe512ec"}, }.AsEnumerable(); updateSupportRepository.Setup(x => x.GetMany(It.IsAny<Expression<Func<UpdateSupport, bool>>>())).Returns(updtsprt); GoalController controller = new GoalController(goalService, metricService, focusService, supportService, updateService, commentService, userService, securityTokenService, supportInvitationService, goalStatusService, commentUserService, updateSupportService); int count = controller.NoOfSupports(1); Assert.IsNotNull(count); Assert.AreEqual("3", count.ToString()); }