public async Task WhenGetAllBookings_ShouldReturnsCollection()
        {
            // Arrange
            var LDatabaseContext            = GetTestDatabaseContext();
            var LGetAllBookingsQueryHandler = new GetAllBookingsQueryHandler(LDatabaseContext);

            var LRoom = new Rooms
            {
                RoomNumber = 101,
                Bedrooms   = 3
            };

            await LDatabaseContext.Rooms.AddAsync(LRoom);

            await LDatabaseContext.SaveChangesAsync();

            var LBookings = new List <Bookings>
            {
                new ()
                {
                    RoomId           = LRoom.Id,
                    GuestFullName    = StringProvider.GetRandomString(),
                    GuestPhoneNumber = StringProvider.GetRandomString(9),
                    DateFrom         = FDateTimeService.Now.AddDays(5),
                    DateTo           = FDateTimeService.Now.AddDays(15)
                },
                new ()
                {
                    RoomId           = LRoom.Id,
                    GuestFullName    = StringProvider.GetRandomString(),
                    GuestPhoneNumber = StringProvider.GetRandomString(9),
                    DateFrom         = FDateTimeService.Now.AddDays(1),
                    DateTo           = FDateTimeService.Now.AddDays(3)
                }
            };

            await LDatabaseContext.Bookings.AddRangeAsync(LBookings);

            await LDatabaseContext.SaveChangesAsync();

            // Act
            var LResults = (await LGetAllBookingsQueryHandler
                            .Handle(new GetAllBookingsQuery(), CancellationToken.None))
                           .ToList();

            // Assert
            LResults.Should().NotBeNull();
            LResults.Should().HaveCount(2);
        }
    }
        public async Task Test_ForExistingCustomers_ShouldReturnCustomers()
        {
            // Arrange
            var mock = new Mock <IBookingRepository>();

            Fixture.RepeatCount = 9;
            var bookings = Fixture.Create <Booking[]>();

            mock.Setup(foo => foo.GetAll()).Returns(bookings);
            var query        = new GetAllBookingsQuery();
            var queryHandler = new GetAllBookingsQueryHandler(mock.Object);

            //  Act
            var result = await queryHandler.Handle(query, CancellationToken.None);

            //  Assert
            Assert.NotNull(result);
            Assert.NotEmpty(result);
            Assert.Equal(bookings.Length, result.Count());
        }