public void GetCalendarData_selectedDepartmentNull_AllEmployeesAbsences() { //Arrange List <DateTime> expHolidaysList = controller.GetHolidaysData(); string fromDate = "01.01.2010"; string toDate = "31.12.2016"; //Act var result = controller.GetCalendarData(fromDate, toDate, null) as PartialViewResult; //Assert Assert.IsInstanceOf(typeof(PartialViewResult), result); Assert.IsInstanceOf(typeof(List <CalendarRowViewModel>), result.Model); Assert.AreEqual("", result.ViewName); Assert.IsInstanceOf(typeof(List <DateTime>), result.ViewBag.Holidays); Assert.AreEqual(expHolidaysList, result.ViewBag.Holidays); }