public async Task the_assigned_room_can_be_changed()
{
// Given
var reservationId = ReservationId.New;
var reservation = new Reservation(reservationId);
var roomId1 = Room.RoomId.New;
reservation.Apply(GetValidReservationCreatedEvent(reservationId));
reservation.Apply(new RoomAssigned(reservationId, roomId1));
var roomId2 = Room.RoomId.New;
var handler = new AssignRoomHandler();
// When
var result = await handler.ExecuteCommandAsync(
reservation,
new AssignRoom(reservationId, roomId2),
CancellationToken.None);
// Then
Assert.True(result.IsSuccess);
var uncommittedEvents = reservation.UncommittedEvents.ToArray();
var assignRoomEvent = (RoomAssigned)uncommittedEvents.Single().AggregateEvent;
Assert.Equal(roomId2, assignRoomEvent.RoomId);
}
public async Task cannot_assign_the_room_before_checkin_and_checkout_times_are_known()
{
// Given
var reservationId = ReservationId.New;
var reservation = new Reservation(reservationId);
var roomId = Room.RoomId.New;
var handler = new AssignRoomHandler();
// When
var result = await handler.ExecuteCommandAsync(reservation,
new AssignRoom(reservationId, roomId),
CancellationToken.None);
// Then
Assert.False(result.IsSuccess);
Assert.Equal(
$"unexpected state: {Reservation.State.Prospective}",
((FailedExecutionResult)result).Errors.Single());
}