public void AssembleTrain_SetDestination_RemovesAllCarsFromSortingLines()
{
// arrange
var map = Yard.GetLinesMap(Destination);
// act
var steps = Yardmaster.AssembleTrain(map);
// assert
var sortingLines = Yard.GetSortingLines();
Assert.IsNotNull(sortingLines);
Assert.IsFalse(sortingLines.Any(line => line.ContainsCarToDestination(Destination)));
}
public void AssembleTrain_SetDestination_HasExpectedCarsInTrainLine()
{
// arrange
var map = Yard.GetLinesMap(Destination);
// act
Yardmaster.AssembleTrain(map);
// assert
var trainLine = Yard.TrainLine;
Assert.IsNotNull(trainLine);
var cars = trainLine.ToString().ToCharArray();
Assert.AreEqual(2, cars.Count());
Assert.IsTrue(cars.All(car => Destination.Equals(car)));
}
public void AssembleTrain_NotEnoughRoomInSortingLines_DoesNotMakeAnyMovement()
{
// arrange
var lines = new List<char[]>
{
"0BDCA".ToCharArray(),
"0CBDA".ToCharArray(),
"0DCBA".ToCharArray()
};
var yard = new Yard(IdGenerator, Configuration.Object, lines);
var yardmaster = yard.Yardmaster;
var map = yard.GetLinesMap(Destination);
// act
var steps = yardmaster.AssembleTrain(map);
// assert
Assert.IsFalse(steps.Any());
}
public void AssembleTrain_NotEnoughRoomInSortingLines_DoesNotMakeAnyMovement()
{
// arrange
var lines = new List <char[]>
{
"0BDCA".ToCharArray(),
"0CBDA".ToCharArray(),
"0DCBA".ToCharArray()
};
var yard = new Yard(IdGenerator, Configuration.Object, lines);
var yardmaster = yard.Yardmaster;
var map = yard.GetLinesMap(Destination);
// act
var steps = yardmaster.AssembleTrain(map);
// assert
Assert.IsFalse(steps.Any());
}
public static void Main(string[] args)
{
var configuration = new Configuration();
var idGenerator = new SequentialIdGenerator();
var fileReader = new FileReader();
var ui = new ConsoleUtil(configuration, fileReader);
do
{
ui.ShowMessage("Welcome to the Marshalling Yard!");
// Load sorting lines from file or prompt the user for file location
ui.BeginSection();
var lines = ui.GetSortingLines();
IYard yard = null;
try
{
yard = new Yard(idGenerator, configuration, lines);
}
catch (InvalidOperationException)
{
var message = "Cannot create marshalling yard! Check the application's parameters.";
ui.ShowErrorMessage(message);
break;
}
var yardmaster = yard.Yardmaster;
// Show initial sorting lines
ui.ShowMessage("Initial sorting lines:");
var sortingLines = yard.GetSortingLines().Select(line => line.ToString());
ui.ShowList(sortingLines);
// Prompt user for destination
ui.BeginSection();
var destination = ui.GetDestination();
// Create navigational map and move cars
var linesMap = yard.GetLinesMap(destination);
var steps = yardmaster.AssembleTrain(linesMap);
// Show list of steps
ui.BeginSection();
ui.ShowMessage($"Selected destination: {destination}");
ui.ShowMessage("Movements:");
ui.ShowList(steps.Select(step => step.ToString()));
// Show total of movements
steps.Select(step => step.ToString());
ui.ShowMessage($"Total of movements: {steps.Count()}.");
// Show final sorting lines
ui.BeginSection();
ui.ShowMessage("Final sorting lines:");
sortingLines = yard.GetSortingLines().Select(line => line.ToString());
ui.ShowList(sortingLines);
// Show train line
ui.BeginSection();
ui.ShowMessage("Train line:");
var trainLine = yard.TrainLine.ToString();
ui.ShowList(new[] { trainLine });
ui.ShowMessage($"Total of cars in train line: {trainLine.Count()}.");
} while (!ui.HasUserChosenToExit());
}