public async Task <IActionResult> Post()
{
InputData inputData;
try
{
string inputDataRaw = string.Empty;
using (StreamReader reader = new StreamReader(Request.Body, Encoding.UTF8))
{
inputDataRaw = await reader.ReadToEndAsync();
}
inputData = InputHelper.ReadInputData(inputDataRaw);
var missionControl = new MissionControlService(inputData.UpperRightCoordinate);
var results = missionControl.ExecuteMission(inputData.RobotInstructions);
return(Ok(OutputHelper.FormatOutput(results)));
}
catch (ArgumentException ex)
{
var message = "Invalid input. Check log for more details";
_logger.LogError($"Invalid input: {ex}");
return(BadRequest(message));
}
catch (Exception ex)
{
_logger.LogError($"Unexpected error: {ex}");
return(StatusCode(500, "Unexpected error. Check log for more details"));
}
}
public void WhenRobotsFallsOffTheGridAScentIsCreatedInTheLastPosition()
{
var instructions = InputHelper.ReadInputData(@"5 3
3 2 N
FRRFLLFFRRFLL");
MissionControlService service = new MissionControlService(instructions.UpperRightCoordinate);
var results = service.ExecuteMission(instructions.RobotInstructions);
Assert.True(service.Surface.PositionHasScent(new Coordinates(3, 3)));
}
public void WhenRobotMovesOffTheGridItsStatusIsLost()
{
var instructions = InputHelper.ReadInputData(@"5 3
3 2 N
FRRFLLFFRRFLL");
MissionControlService service = new MissionControlService(instructions.UpperRightCoordinate);
var results = service.ExecuteMission(instructions.RobotInstructions);
Assert.Equal(RobotStatus.Lost, results.First().Status);
}
public void WhenRobotMovesOnTheGridTheEndPositionIsCorrect()
{
var instructions = InputHelper.ReadInputData(@"5 3
1 1 E
RFRFRFRF");
MissionControlService service = new MissionControlService(instructions.UpperRightCoordinate);
var results = service.ExecuteMission(instructions.RobotInstructions);
Assert.Equal(RobotStatus.Ok, results.First().Status);
Assert.Equal(1, results.First().Position.Coordinates.X);
Assert.Equal(1, results.First().Position.Coordinates.Y);
Assert.Equal(Orientation.E, results.First().Position.Orientation);
}
static void Main(string[] args)
{
InputData inputData;
while (true)
{
StringBuilder sb = new StringBuilder();
var currentLine = string.Empty;
do
{
currentLine = Console.ReadLine();
if (!string.IsNullOrEmpty(currentLine))
{
sb.AppendLine(currentLine);
}
}while (!string.IsNullOrEmpty(currentLine));
try
{
inputData = InputHelper.ReadInputData(sb.ToString().Trim());
}
catch (ArgumentException ex)
{
Console.WriteLine($"Invalid input: {ex}");
return;
}
try
{
var missionControl = new MissionControlService(inputData.UpperRightCoordinate);
var results = missionControl.ExecuteMission(inputData.RobotInstructions);
Console.WriteLine(OutputHelper.FormatOutput(results));
}
catch (Exception ex)
{
Console.WriteLine($"Unexpected error: {ex}");
}
}
}
public void WhenMovingOffTheGridFromPositionWithScentRobotIgnoresTheInstruction()
{
MissionControlService service = new MissionControlService(new Coordinates(5, 3));
var instructionsLost = InputHelper.ReadInputData(@"5 3
0 3 W
LLFFFLFLFL");
var results = service.ExecuteMission(instructionsLost.RobotInstructions);
Assert.Equal(RobotStatus.Lost, results.First().Status);
var instructionsWithScent = InputHelper.ReadInputData(@"5 3
0 3 W
LLFFFLFLFL");
service = new MissionControlService(new Coordinates(5, 3));
service.Surface.AddScent(new Coordinates(3, 3));
var resultsIgnore = service.ExecuteMission(instructionsWithScent.RobotInstructions);
Assert.Equal(RobotStatus.Ok, resultsIgnore.Last().Status);
Assert.Equal(2, resultsIgnore.Last().Position.Coordinates.X);
Assert.Equal(3, resultsIgnore.Last().Position.Coordinates.Y);
Assert.Equal(Orientation.S, resultsIgnore.Last().Position.Orientation);
}