private static void emptyTableBooking()
 {
     BookingService bookingSrv = new BookingService();
     bookingSrv.emptyTable();
     List<BookingBO> bookings = bookingSrv.getAllFromTable();
     Assert.AreEqual(0, bookings.Count(), string.Format("'Booking' Table should be empty."));
 }
        private static void fullFillTableBooking()
        {
            RoomService roomSrv = new RoomService();
            List<RoomBO> rooms = roomSrv.getAllFromTable();
            Assert.AreNotEqual(0, rooms.Count(), string.Format("There should be values in 'Rooms' Table."));
            int existingRoomID = rooms.ElementAt(0).RoomID;

            CustomerService customerSrv = new CustomerService();
            List<CustomerBO> customers = customerSrv.getAllFromTable();
            Assert.AreNotEqual(0, customers.Count(), string.Format("There should be values in 'Customer' Table."));
            int existingCustomerID = customers.ElementAt(0).CustomerID;

            AdministratorService adminSrv = new AdministratorService();
            List<AdministratorBO> admins = adminSrv.getAllFromTable();
            Assert.AreNotEqual(0, admins.Count(), string.Format("There should be values in 'Administrator' Table."));
            int existingAdminID = admins.ElementAt(0).AdminID;

            //Verify that booking cannot be created before Customer (CustomerID foreign key)
            //Verify that booking cannot be created before Room (RoomID foreign key)
            //Verify that booking cannot be created before Administrator (AdminID foreign key)
            BookingService bookingSrv = new BookingService();
            bookingSrv.addNew(DateTime.Now.AddDays(1), existingRoomID, existingCustomerID, 25, DateTime.Now, existingAdminID, "no smoking");// take first from list
            bookingSrv.addNew(DateTime.Now.AddDays(1), existingRoomID, existingCustomerID, 40, DateTime.Now, existingAdminID, "no pets allowed");
            bookingSrv.addNew(DateTime.Now.AddDays(10), existingRoomID, existingCustomerID, 77, DateTime.Now, existingAdminID, "reconfirm by phone");
            bookingSrv.addNew(DateTime.Now.AddDays(17), existingRoomID, existingCustomerID, 55, DateTime.Now, existingAdminID, "reconfirm by phone tomorrow");
            bookingSrv.addNew(DateTime.Now.AddDays(-5), existingRoomID, existingCustomerID, 10, DateTime.Now.AddDays(-8), existingAdminID, "catering ");
            bookingSrv.addNew(DateTime.Now.AddDays(-2), existingRoomID, existingCustomerID, 100, DateTime.Now.AddDays(-5), existingAdminID, "no catering");
            List<BookingBO> bookings = bookingSrv.getAllFromTable();
            Assert.AreNotEqual(0, bookings.Count(), string.Format("There should be values in 'Booking' Table."));
        }