public async Task ViewShift_NoShifts_ViewDataWarning()
        {
            // Arrange
            DateTime         now             = DateTime.Now;
            ILocationService locationService = Substitute.For <ILocationService>();

            locationService.GetByName("Contoso").Returns(new Library.Models.Location {
                id = "1", Name = "Contoso"
            });

            IStringLocalizer <ShiftsController> stringLocalizer = Substitute.For <IStringLocalizer <ShiftsController> >();

            stringLocalizer.GetString("NoEmployees").Returns(new LocalizedString("NoEmployees", "No employees are booked for this shift."));


            ShiftsController controller = this.GetController(locationService: locationService, stringLocalizer: stringLocalizer);
            ShiftViewModel   viewModel  = new ShiftViewModel {
                LocationName = "Contoso", Start = now, End = now.AddHours(9), WorkType = "Till"
            };

            // Act
            IActionResult result = await controller.ViewShift(viewModel);

            // Assert
            ViewResult viewResult = Assert.IsType <ViewResult>(result);

            Assert.Equal(stringLocalizer["NoEmployees"], viewResult.ViewData["NoEmployees"]);
        }
        public async Task ViewShift_EmployeesOnShift_ShiftRepoHitWithCorrectQuery()
        {
            // Arrange
            IRepository <Library.Models.Shift> shiftRepository = Substitute.For <IRepository <Library.Models.Shift> >();
            DateTime now = DateTime.Now;

            shiftRepository.Get(Arg.Any <string>(), Arg.Any <IDictionary <string, object> >(), Arg.Any <string>()).Returns(new[]
            {
                new Library.Models.Shift {
                    StartDateTime = now, LocationId = "1", Allocated = true, EmployeeId = "abc"
                },
                new Library.Models.Shift {
                    StartDateTime = now.Add(new TimeSpan(1, 0, 0, 0)), LocationId = "1", Allocated = true, EmployeeId = "xyz"
                }
            });
            ILocationService locationService = Substitute.For <ILocationService>();

            locationService.GetByName("Contoso").Returns(new Library.Models.Location {
                id = "1", Name = "Contoso"
            });

            IGraphServiceClient graphClient = Substitute.For <IGraphServiceClient>();

            graphClient.Users[Arg.Any <string>()].Request().GetAsync().Returns(new User {
                GivenName = "a", Surname = "b"
            });

            ShiftsController controller = this.GetController(shiftRepository: shiftRepository, locationService: locationService, graphClient: graphClient);
            ShiftViewModel   viewModel  = new ShiftViewModel {
                LocationName = "Contoso", Start = now, End = now.AddHours(9), WorkType = "Till"
            };

            // Act
            await controller.ViewShift(viewModel);

            // Assert
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
            shiftRepository.Received(1).Get(
                "SELECT * FROM c WHERE c.LocationId = @locationId AND c.StartDateTime = @start AND c.EndDateTime = @end AND c.WorkType = @workType",
                Arg.Any <Dictionary <string, object> >(),
                Arg.Any <string>());
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
        }
        public async Task ViewShift_EmployeesOnShift_EmployeesInViewData()
        {
            // Arrange
            IRepository <Library.Models.Shift> shiftRepository = Substitute.For <IRepository <Library.Models.Shift> >();
            DateTime now = DateTime.Now;

            shiftRepository.Get(Arg.Any <string>(), Arg.Any <IDictionary <string, object> >(), Arg.Any <string>()).Returns(new[]
            {
                new Library.Models.Shift {
                    StartDateTime = now, LocationId = "1", Allocated = true, EmployeeId = "abc"
                },
                new Library.Models.Shift {
                    StartDateTime = now.Add(new TimeSpan(1, 0, 0, 0)), LocationId = "1", Allocated = true, EmployeeId = "xyz"
                }
            });
            ILocationService locationService = Substitute.For <ILocationService>();

            locationService.GetByName("Contoso").Returns(new Library.Models.Location {
                id = "1", Name = "Contoso"
            });

            IGraphServiceClient graphClient = Substitute.For <IGraphServiceClient>();

            graphClient.Users[Arg.Any <string>()].Request().GetAsync().Returns(new User {
                GivenName = "a", Surname = "b"
            });

            ShiftsController controller = this.GetController(shiftRepository: shiftRepository, locationService: locationService, graphClient: graphClient);
            ShiftViewModel   viewModel  = new ShiftViewModel {
                LocationName = "Contoso", Start = now, End = now.AddHours(9), WorkType = "Till"
            };

            // Act
            IActionResult result = await controller.ViewShift(viewModel);

            // Assert
            ViewResult    viewResult = Assert.IsType <ViewResult>(result);
            List <string> employees  = Assert.IsType <List <string> >(viewResult.ViewData["Employees"]);

            Assert.Equal(2, employees.Count());
        }