public InstructionConverterShould()
{
var validator = new InstructionValidator();
_reader = new FileReader();
_sut = new InstructionConverter(validator);
}
public Instruction Map(string instructions)
{
EnsureArg.IsNotNullOrEmpty(instructions, nameof(instructions));
var instruction = new Instruction {
InstructionString = instructions
};
var instructionValidator = new InstructionValidator();
instructionValidator.ValidateAndThrow(instruction);
return(instruction);
}
public ICommandResult Handler(DroneCommand command)
{
//Step 1. Create a new Drone
var drone = new Drone();
//Step 2. Validate instruction
var instruction = new InstructionValidator(command.Instruction).Instruction;
//Step 3. Verify if instruction is valid
if (string.IsNullOrEmpty(instruction))
{
//Step 4. Invalided the move
drone.InvalidMove();
}
else
{
//Step 4. Split instruction in coordinate and values
var regex = new Regex(@"[SsNnLlOo]\d*");
var coordinates = regex.Matches(instruction);
foreach (var coordinate in coordinates)
{
//Step 5. Split in name and value
var properties = new Regex(@"[SsNnLlOo]|\d+").Matches(coordinate.ToString().Trim());
var nameCoordinate = properties[0].ToString();
var valueCoordinate = properties.Count > 1 ? int.Parse(properties[1].ToString()) : 1;
//Step 6. Move the drone
drone.Move(new System.Tuple <string, int>(nameCoordinate, valueCoordinate));
}
}
return(new DroneResult {
Drone = drone
});
}
