public async Task ShouldFailFirstPlaceCommand(int x, int y)
{
var robot = new Robot(Table.GetTableInstance());
Position position = new Position(x, y, Direction.NORTH);
var command = new PlaceCommand();
var result = await command.Excute(robot, position);
result.ShouldBe(null);
// Set up a location for robot
robot.SetPosition(new Position(2, 3, Direction.NORTH));
// execut the command and make sure it doesnot
result = await command.Excute(robot, position);
result.ShouldBe(null);
}
public async Task ShouldSucceedPlaceRobotForRobotNotOnTable(int x, int y, Direction direction)
{
// Setup
var robot = new Robot(Table.GetTableInstance());
Position position = new Position(x, y, direction);
var command = new PlaceCommand();
// Excute
var result = await command.Excute(robot, position);
// Validate
result.XEastWestAxis.ShouldBe(x);
result.YNorthSouthAxis.ShouldBe(y);
result.Direction.ShouldBe(direction);
}
public async Task ShouldFailPlaceCommandWithExistingLocation(int x, int y)
{
// Setup
var robot = new Robot(Table.GetTableInstance());
Position position = new Position(x, y, Direction.NORTH);
var command = new PlaceCommand();
var newPosition = new Position(2, 3, Direction.NORTH);
// Set up a location for robot
robot.SetPositionOnTable(newPosition);
// Excute
var result = await command.Excute(robot, position);
// Validate
result.ShouldBe(null);
robot.GetPosition().ShouldBe(newPosition);
}
