public void RoverExecutesCommandSequenceThatLeadsIntoObstacle()
{
var grid = new GridBuilder()
.WithDimensions(2, 2)
.WithObstacleAt(1, 1)
.Build();
var startingPosition = new PositionBuilder()
.OnGrid(grid)
.WithCoordinates(new Coordinates(0, 0))
.Facing(DirectionEnum.North)
.Build();
var rover = new RoverBuilder()
.AtPosition(startingPosition)
.Build();
var roverControl = new RoverControlBuilder()
.ForRover(rover)
.Build();
roverControl.SendCommands("frf");
roverControl.InvokeCommands();
var endingPosition = new PositionBuilder()
.OnGrid(grid)
.WithCoordinates(new Coordinates(0, 1))
.Facing(DirectionEnum.East)
.Build();
Assert.Equal(endingPosition, rover.Position);
}
public void RoverRunsIntoObstacleAndReports()
{
var grid = new GridBuilder()
.WithDimensions(2, 2)
.WithObstacleAt(1, 0)
.Build();
var startingPosition = new PositionBuilder()
.OnGrid(grid)
.WithCoordinates(new Coordinates(0, 0))
.Facing(DirectionEnum.West)
.Build();
var rover = new RoverBuilder()
.AtPosition(startingPosition)
.Build();
var roverControl = new RoverControlBuilder()
.ForRover(rover)
.Build();
roverControl.SendCommands("f");
var detectedObstacle = roverControl.InvokeCommands();
Assert.Equal(startingPosition, rover.Position);
Assert.True(detectedObstacle);
Assert.Empty(roverControl.Commands);
}
public void RoverMovesBackwards(Position startingPosition, Position positionAfterMovement)
{
var rover = new RoverBuilder()
.AtPosition(startingPosition)
.Build();
var roverControl = new RoverControlBuilder()
.ForRover(rover)
.Build();
roverControl.SendCommands("B");
roverControl.InvokeCommands();
Assert.Equal(positionAfterMovement, rover.Position);
}
public void RoverWrapsGridMovingForward(Position startingPosition, Position positionAfterWrap)
{
var rover = new RoverBuilder()
.AtPosition(startingPosition)
.Build();
var roverControl = new RoverControlBuilder()
.ForRover(rover)
.Build();
roverControl.SendCommands("f");
roverControl.InvokeCommands();
Assert.Equal(positionAfterWrap, rover.Position);
}
public void RoverReceievesCommands()
{
var rover = new RoverBuilder()
.AtDefaultPosition()
.Build();
var roverControl = new RoverControlBuilder()
.ForRover(rover)
.Build();
roverControl.SendCommands("fblr");
Assert.Equal(4, roverControl.Commands.Count);
Assert.Contains(roverControl.Commands, command => command is RoverCommandForward);
Assert.Contains(roverControl.Commands, command => command is RoverCommandBackwards);
Assert.Contains(roverControl.Commands, command => command is RoverCommandTurnLeft);
Assert.Contains(roverControl.Commands, command => command is RoverCommandTurnRight);
}
