public async Task ShouldThrowIfRoverInitialPositionIsOutsideTerrain(
params int[] roverPos)
{
var parser = new CommandLineInputParser(
new[] { "5 5", $"{roverPos[0]} {roverPos[1]} n", "lmx" });
await Assert.ThrowsAsync <ArgumentOutOfRangeException>(() => parser.GetAll());
}
public async Task ShouldFilterOutInvalidMovementCommands()
{
var invalidCommand = "x";
var validCommands = "lm";
var parser = new CommandLineInputParser(
new[] { "5 5", "1 2 n", $"{invalidCommand}{validCommands}" });
var commandParameters = await parser.GetAll();
commandParameters.First().ManouvreCommands
.Should()
.HaveCount(2);
commandParameters.First().ManouvreCommands
.Should()
.ContainInOrder(
RoverCommands.TurnLeft,
RoverCommands.Move);
}
public async Task ShouldReturnMultipleCommandParametersForMultiRoverCommandInput()
{
var parser = new CommandLineInputParser(
new[] { "5 5", "1 2 n", "lml", "3 3 e", "mmr" });
var commands = await parser.GetAll();
commands.Should().HaveCount(2);
var command = commands.First();
command.Terrain.MaxX.Should().Be(5);
command.Terrain.MaxY.Should().Be(5);
command.RoverInitialisationParameters.CurrentRoverPositionX.Should().Be(1);
command.RoverInitialisationParameters.CurrentRoverPositionY.Should().Be(2);
command.RoverInitialisationParameters.CurrentRoverHeading.Should().Be(Direction.North);
command.ManouvreCommands.Count().Should().Be(3);
command.ManouvreCommands.Should()
.ContainInOrder(
RoverCommands.TurnLeft,
RoverCommands.Move,
RoverCommands.TurnLeft);
var command2 = commands.Last();
command2.Terrain.MaxX.Should().Be(5);
command2.Terrain.MaxY.Should().Be(5);
command2.RoverInitialisationParameters.CurrentRoverPositionX.Should().Be(3);
command2.RoverInitialisationParameters.CurrentRoverPositionY.Should().Be(3);
command2.RoverInitialisationParameters.CurrentRoverHeading.Should().Be(Direction.East);
command2.ManouvreCommands.Count().Should().Be(3);
command2.ManouvreCommands.Should()
.ContainInOrder(
RoverCommands.Move,
RoverCommands.Move,
RoverCommands.TurnRight);
}
public async Task ShouldThrowIfCommandsInvalid(params string[] badCommandLineArgs)
{
var parser = new CommandLineInputParser(badCommandLineArgs);
await Assert.ThrowsAsync <ArgumentOutOfRangeException>(() => parser.GetAll());
}
