public void NullCommandSetDispatcherFactoryShouldThrowException()
{
Assert.ThrowsException <ArgumentNullException>(() =>
{
var interpreter = new CommandSetInterpreter(new MockCommandSetReader(), null);
});
}
public void DispatcherShouldGetCorrectCommandSetFromValidInstructions()
{
var establishGridInstructions = "10 10";
var confirmPositionInstructions = "3 4 E";
var moveInstructions = "LLMMRMM";
var reader = new MockCommandSetReader(() => $"{establishGridInstructions}{Environment.NewLine}{confirmPositionInstructions}{Environment.NewLine}{moveInstructions}");
var dispatcherFactory = new MockCommandSetDispatcherFactory(cs =>
{
Assert.IsNotNull(cs);
Assert.AreEqual(establishGridInstructions, cs.EstablishGrid.Instructions);
Assert.AreEqual(10, cs.EstablishGrid.Grid.Width);
Assert.AreEqual(10, cs.EstablishGrid.Grid.Height);
Assert.AreEqual(confirmPositionInstructions, cs.ConfirmPosition.Instructions);
Assert.AreEqual(3, cs.ConfirmPosition.Coordinates.X);
Assert.AreEqual(4, cs.ConfirmPosition.Coordinates.Y);
Assert.AreEqual(Heading.East, cs.ConfirmPosition.Heading);
Assert.AreEqual(moveInstructions, cs.Move.Instructions);
Assert.AreEqual(moveInstructions.Length, cs.Move.Moves.Count);
Assert.AreEqual(Movement.Left, cs.Move.Moves[0]);
Assert.AreEqual(Movement.Left, cs.Move.Moves[1]);
Assert.AreEqual(Movement.Move, cs.Move.Moves[2]);
Assert.AreEqual(Movement.Move, cs.Move.Moves[3]);
Assert.AreEqual(Movement.Right, cs.Move.Moves[4]);
Assert.AreEqual(Movement.Move, cs.Move.Moves[5]);
Assert.AreEqual(Movement.Move, cs.Move.Moves[6]);
});
var interpreter = new CommandSetInterpreter(reader, dispatcherFactory);
interpreter.Interpret();
}
