public RoverResponse Post([FromBody] RoverInstructions value)
{
// REGular EXpression for checking instructions are limited to R, M, and L characters.
Regex instructionsRegex = new Regex(@"^[RML]+$");
// Check JSON values are within constraints
if (value.RoverId.Length > 10 || value.MovementInstruction.Length > 100)
{
return(new RoverResponse {
Message = "Rover ID and/or Movement Instructions are over the allowed limit. Rover ID should be less than 10 characters. Instructions should be less than 100 characters.", CurrentPosition = "()"
});
}
else if (!instructionsRegex.IsMatch(value.MovementInstruction))
{
return(new RoverResponse {
Message = "Movement Instructions are incorrect. Instructions can only have values of 'R', 'L', and/or 'M'.", CurrentPosition = "()"
});
}
// Retreive rover from Session Storage. If rover does not exist, then create a new one.
Rover rover = SessionRoverExtension.GetRover <Rover>(HttpContext.Session, value.RoverId) == null ? new Rover(value.RoverId, "N", 0, 0) : SessionRoverExtension.GetRover <Rover>(HttpContext.Session, value.RoverId);
// Execute all instructions sent for rover.
rover = RoverOperationsService.ExecuteInstructions(value.MovementInstruction, rover);
// Save rover to Session Storage, and return result.
SessionRoverExtension.SetRover(HttpContext.Session, value.RoverId, rover);
return(new RoverResponse {
Message = $"Rover {rover.RoverId} has moved. Orientation is: {rover.RoverOrientation}.", CurrentPosition = $"({rover.RoverX},{rover.RoverY})"
});
}
public void ConvertValueToInstruction_ThrowsError_WhenInvalidValueGiven()
{
Exception testException = null;
try
{
var throwawayValue = RoverInstructions.ConvertValueToInstruction('S');
}
catch (Exception testE)
{
testException = testE;
}
Assert.NotNull(testException);
}
public ActionResult Post([FromBody] RoverInstructions roverInstructions)
{
if (roverInstructions.Instructions == null || roverInstructions.Instructions == string.Empty)
{
return(BadRequest("Error: Instructions are empty"));
}
var stringBuilder = new StringBuilder();
_navigationService.AssignPlateau(roverInstructions.PlateauHeight, roverInstructions.PlateauWidth);
stringBuilder.AppendLine(string.Format("for Plateau ( {0} , {1} )", roverInstructions.PlateauHeight,
roverInstructions.PlateauWidth));
stringBuilder.AppendLine("-->" + _navigationService.ReceiveInstructions(roverInstructions.Instructions));
return(Ok((stringBuilder.ToString())));
}
public void ConvertValueToInstruction_ConvertsToInstruction_WhenValidValueGiven(char valueToConvert, RoverInstruction expectedInstruction)
{
var conversionResult = RoverInstructions.ConvertValueToInstruction(valueToConvert);
Assert.True(conversionResult == expectedInstruction);
}