public async Task occupy_room_fails_if_room_was_already_occupied(
string requestedDateRangeStartDate,
string requestedDateRangeEndDate,
string alreadyOccupiedDateRangeStartDate,
string alreadyOccupiedDateRangeEndDate)
{
// Given
var irrelevantRoomId = Room.RoomId.New;
var irrelevantPreviousReservationId = ReservationId.New;
var irrelevantNewReservationId = ReservationId.New;
var requestedDateRange = new Range(
DateTime.ParseExact(requestedDateRangeStartDate, "yyyy-MM-dd", CultureInfo.InvariantCulture),
DateTime.ParseExact(requestedDateRangeEndDate, "yyyy-MM-dd", CultureInfo.InvariantCulture));
var irrelevantPreviousOccupiedEvent = new RoomOccupied(
irrelevantPreviousReservationId,
DateTime.ParseExact(alreadyOccupiedDateRangeStartDate, "yyyy-MM-dd", CultureInfo.InvariantCulture),
DateTime.ParseExact(alreadyOccupiedDateRangeEndDate, "yyyy-MM-dd", CultureInfo.InvariantCulture));
var room = new Room(irrelevantRoomId);
var handler = new OccupyRoomHandler();
room.Apply(irrelevantPreviousOccupiedEvent);
// When
var result = await handler.ExecuteCommandAsync(
room,
new OccupyRoom(irrelevantRoomId, irrelevantNewReservationId, requestedDateRange),
CancellationToken.None);
// Then
Assert.False(result.IsSuccess);
Assert.Empty(room.UncommittedEvents);
Assert.Equal(
$"Room already occupied",
((FailedExecutionResult)result).Errors.Single());
}
public void Apply(RoomOccupied @event)
{
_occupiedRanges.Add(new Range(@event.StartDateUtc, @event.EndDateUtc));
}
