public void ensure_converts_to_houses_loads_street_specification()
{
_streetSpecificationReader = Substitute.For <IStreetSpecificationReader>();
_streetSpecificationReader.LoadFile().Returns(new[] { 1, 2, 3, 4 });
GivenATownPlanner();
_townPlanner.GetHousesWestToEast().Count().ShouldBe(4);
}
public void ensure_house_count_is_zero_when_street_specification_not_loaded()
{
_townPlanner = TownPlanner.Create(_streetSpecificationReader);
_townPlanner.NorthSideHouses().Count().ShouldBe(0);
_townPlanner.IsValid().ShouldBeFalse();
_townPlanner.GetHousesWestToEast().Count.ShouldBe(0);
_townPlanner.SouthSideHouses().Count().ShouldBe(0);
_townPlanner.NumberOfHousesInStreet().ShouldBe(0);
_townPlanner.NumberOfHousesOnNorthSide().ShouldBe(0);
_townPlanner.NumberOfHousesOnSouthSide().ShouldBe(0);
}
public IEnumerable <int> GetDeliveryByEachhouseInTurnWestToEast()
{
ResetCrossings();
var houses = _townplanner.GetHousesWestToEast();
var deliveryOrder = new List <int>();
var currentSideOfStreet = StreetSide.North;
while (houses.Count > 0)
{
var house = houses.Dequeue();
if (house != null)
{
if (currentSideOfStreet != house.SideOfStreet)
{
UpdateCrossing();
currentSideOfStreet = house.SideOfStreet;
}
deliveryOrder.Add(house.Number);
}
}
return(deliveryOrder);
}