public void Assert_that_a_checker_cannot_jump_empty_square()
{
var p1Checker = new Checker(Player.PlayerOne);
var p2Checker = new Checker(Player.PlayerTwo);
var move = new Move
{
Player = Player.PlayerOne,
From = new Square(5, 2),
To = new Square(3, 4),
};
var gameLogic = new GameLogic { Board = GetEmptyBoard() };
gameLogic.Board[5][2] = p1Checker;
gameLogic.Board[0][7] = p2Checker;
var validation = gameLogic.IsValidMove(move);
Assert.That(validation.IsValid, Is.False, "P1 attempted to jump over an empty square");
}
public void Assert_that_a_player_must_jump_when_another_checker_is_able_to_jump()
{
// If a player attempts to simply move when another checker has a jump, then the move is not valid
var p1Checker = new Checker(Player.PlayerOne);
var p1Jumper = new Checker(Player.PlayerOne);
var p2Checker = new Checker(Player.PlayerTwo);
var move = new Move
{
Player = Player.PlayerOne,
From = new Square(7, 2),
To = new Square(6, 3),
};
var gameLogic = new GameLogic { Board = GetEmptyBoard() };
gameLogic.Board[7][2] = p1Checker;
gameLogic.Board[5][2] = p1Jumper;
gameLogic.Board[4][3] = p2Checker;
var isSuccessful = gameLogic.SendMove(move);
Assert.That(isSuccessful, Is.False, "P1 cannot move a checker when another cheker has a jump available");
}
public MoveResult Move(string source, string destination)
{
if (string.IsNullOrWhiteSpace(source) || string.IsNullOrWhiteSpace(destination) || source.Length != 2 || destination.Length != 2)
{
return new MoveResult
{
Message = "Source and Destination must be two digit numbers",
BoardState = CurrentGame.GetBoardState(),
};
}
int fromX, fromY, toX, toY;
if (!int.TryParse(source.Substring(0, 1), out fromX)
|| !int.TryParse(source.Substring(1, 1), out fromY)
|| !int.TryParse(destination.Substring(0, 1), out toX)
|| !int.TryParse(destination.Substring(1, 1), out toY))
{
return new MoveResult
{
Message = "Source and Destination must be two digit numbers",
BoardState = CurrentGame.GetBoardState(),
};
}
var currentGame = CurrentGame;
var move = new Move
{
Player = Caller.IsPlayerOne ? Player.PlayerOne : Player.PlayerTwo,
From = new Square(fromX, fromY),
To = new Square(toX, toY),
};
var moveResult = currentGame.MakeMove(move);
moveResult.Message = moveResult.IsSuccessful ? string.Format("{0} played {1}-{2}", Caller.Name, source, destination) : "You cannot make that move.";
Clients.playHappened(moveResult);
return moveResult;
}
public void Assert_that_player_one_goes_first_but_not_second()
{
var gameLogic = new GameLogic();
var move = new Move
{
Player = Player.PlayerOne,
From = new Square(5,2),
To = new Square(4,3),
};
var result = gameLogic.SendMove(move);
Assert.That(result, Is.True, "At the start of a game, player one must make the first move.");
result = gameLogic.SendMove(move);
Assert.That(result, Is.False, "At the start of a game, player one may not make the second move.");
}
public void Assert_that_player_two_goes_second()
{
var gameLogic = new GameLogic();
var p1Move = new Move
{
Player = Player.PlayerOne,
From = new Square {X = 5, Y = 2},
To = new Square {X = 4, Y = 3},
};
var result = gameLogic.SendMove(p1Move);
Assert.That(result, Is.True, "At the start of a game, player one must make the first move.");
var p2Move = new Move
{
Player = Player.PlayerTwo,
From = new Square(2, 5),
To = new Square(3, 4),
};
result = gameLogic.SendMove(p2Move);
Assert.That(result, Is.True, "At the start of a game, player two must make the second move.");
}
public void Assert_that_p2_is_kinged_upon_reaching_top_row()
{
var p1Checker = new Checker(Player.PlayerOne);
var p2Checker = new Checker(Player.PlayerTwo);
var move = new Move
{
Player = Player.PlayerTwo,
From = new Square(6, 1),
To = new Square(7, 0),
};
var gameLogic = new GameLogic { Board = GetEmptyBoard(), IsPlayerOnesTurn = false,};
gameLogic.Board[3][2] = p1Checker;
gameLogic.Board[6][1] = p2Checker;
var success = gameLogic.SendMove(move);
Assert.That(success, Is.True, "Send move succeeded");
Assert.That(p2Checker.IsKinged, Is.True, "YOU DIDN'T KING ME!");
}
public void Assert_that_p2_king_can_jump_p1_baseline_test()
{
var p1Checker = new Checker(Player.PlayerOne);
var p2Checker = new Checker(Player.PlayerTwo) { IsKinged = true, };
var move = new Move
{
Player = Player.PlayerTwo,
From = new Square(5, 2),
To = new Square(3, 4),
};
var gameLogic = new GameLogic { Board = GetEmptyBoard() };
gameLogic.Board[5][2] = p2Checker;
gameLogic.Board[4][3] = p1Checker;
var validation = gameLogic.IsValidMove(move);
Assert.That(validation.IsValid, Is.True, "P2 is jumping P1");
}
public void Assert_that_checker_cannot_jump_2_squares_at_once()
{
var p1Checker = new Checker(Player.PlayerOne);
var p2Checker = new Checker(Player.PlayerTwo);
var move = new Move
{
Player = Player.PlayerOne,
From = new Square(5, 2),
To = new Square(2, 5),
};
var gameLogic = new GameLogic { Board = GetEmptyBoard() };
gameLogic.Board[5][2] = p1Checker;
gameLogic.Board[4][3] = p2Checker;
var validation = gameLogic.IsValidMove(move);
Assert.That(validation.IsValid, Is.False, "P1 is jumping too far");
}
public void Assert_that_p1_is_kinged_upon_reaching_bottom_row()
{
var p1Checker = new Checker(Player.PlayerOne);
var p2Checker = new Checker(Player.PlayerTwo);
var move = new Move
{
Player = Player.PlayerOne,
From = new Square(1, 6),
To = new Square(0, 7),
};
var gameLogic = new GameLogic { Board = GetEmptyBoard() };
gameLogic.Board[1][6] = p1Checker;
gameLogic.Board[3][2] = p2Checker;
var success = gameLogic.SendMove(move);
Assert.That(success, Is.True, "Send move succeeded");
Assert.That(p1Checker.IsKinged, Is.True, "YOU DIDN'T KING ME!");
}
public void Assert_that_jump_removes_checker()
{
var p1Checker = new Checker(Player.PlayerOne);
var p2Checker = new Checker(Player.PlayerTwo);
var move = new Move
{
Player = Player.PlayerOne,
From = new Square(5, 2),
To = new Square(3, 4),
};
var gameLogic = new GameLogic { Board = GetEmptyBoard() };
gameLogic.Board[5][2] = p1Checker;
gameLogic.Board[4][3] = p2Checker;
var isSuccessful = gameLogic.SendMove(move);
Assert.That(isSuccessful, Is.True, "P1 is jumping P2");
var oldP2Checker = gameLogic.Board[4][3];
Assert.That(oldP2Checker, Is.Null, "Player Two's checker was not removed.");
}
public void Assert_that_when_a_double_jump_is_possible_that_the_players_turn_does_not_end()
{
// If a player attempts to simply move when another checker has a jump, then the move is not valid
var p1Checker = new Checker(Player.PlayerOne);
var p2Jumpee1 = new Checker(Player.PlayerTwo);
var p2Jumpee2 = new Checker(Player.PlayerTwo);
var p2LastMove = new Checker(Player.PlayerTwo);
var move = new Move
{
Player = Player.PlayerOne,
From = new Square(5, 2),
To = new Square(3, 4),
};
var gameLogic = new GameLogic { Board = GetEmptyBoard() };
gameLogic.Board[5][2] = p1Checker;
gameLogic.Board[4][3] = p2Jumpee1;
gameLogic.Board[4][5] = p2Jumpee2;
gameLogic.Board[0][1] = p2LastMove;
var isSuccessful = gameLogic.SendMove(move);
Assert.That(isSuccessful, Is.True, "P1 has a double jump opportunity");
var boardState = gameLogic.GetBoardState();
Assert.That(boardState.IsPlayerOnesTurn, Is.True, "It should still be P1's turn");
//Make double jump
move = new Move
{
Player = Player.PlayerOne,
From = new Square(3, 4),
To = new Square(5, 6),
};
isSuccessful = gameLogic.SendMove(move);
Assert.That(isSuccessful, Is.True, "P1 should have been alowed to make a double jump");
boardState = gameLogic.GetBoardState();
Assert.That(boardState.IsPlayerOnesTurn, Is.False, "It should be P2's turn after the double jump");
}
public void Assert_that_it_is_player_ones_turn()
{
var gameLogic = new GameLogic();
var player = Player.PlayerTwo;
var move = new Move
{
Player = player,
From = new Square {X = 5, Y = 2},
To = new Square {X = 4, Y = 3},
};
var result = gameLogic.SendMove(move);
Assert.That(result, Is.False, "At the start of a game, player two may not make the first move.");
}
public void Assert_that_jumping_last_checker_results_in_game_over()
{
var p1Checker = new Checker(Player.PlayerOne);
var move = new Move
{
Player = Player.PlayerOne,
};
var gameLogic = new GameLogic {Board = GetEmptyBoard()};
gameLogic.Board[2][5] = p1Checker;
var isGameOver = gameLogic.IsGameOver(move);
Assert.That(isGameOver, Is.True);
}
public bool Assert_that_invalid_first_moves_return_false(int fromX, int fromY, int toX, int toY)
{
var gameLogic = new GameLogic();
var move = new Move
{
Player = Player.PlayerOne,
From = new Square {X = fromX, Y = fromY},
To = new Square {X = toX, Y = toY},
};
return gameLogic.SendMove(move);
}
public MoveResult MakeMove(Move move)
{
return new MoveResult
{
IsSuccessful = SendMove(move),
IsGameOver = IsGameOver(move),
CanJumpAgain = false,
Message = "I love lamp!",
BoardState = GetBoardState(),
};
}
public void Assert_that_checker_is_moved_on_the_board()
{
var gameLogic = new GameLogic();
var move = new Move
{
Player = Player.PlayerOne,
From = new Square(5, 2),
To = new Square(4, 3),
};
var checkerPreMove = gameLogic.Board[5][2];
Assume.That(checkerPreMove, Is.Not.Null, "Before the move, the from square is empty");
var result = gameLogic.SendMove(move);
Assert.That(result, Is.True, "Simple first move failed");
var checkerPostMove = gameLogic.Board[4][3];
Assert.That(checkerPostMove, Is.Not.Null, "After the move, the destination square remains empty");
Assert.That(checkerPostMove, Is.SameAs(checkerPreMove), "After the move, the checker in the new square is not the same checker");
}
public void Assert_that_suicidal_move_yields_turn_to_other_player_to_make_jump()
{
// If a player attempts to simply move when a jump is possible, then the move is not valid
var p1Checker = new Checker(Player.PlayerOne);
var p2Checker = new Checker(Player.PlayerTwo);
var move = new Move
{
Player = Player.PlayerOne,
From = new Square(5, 2),
To = new Square(6, 3),
};
var gameLogic = new GameLogic { Board = GetEmptyBoard() };
gameLogic.Board[5][2] = p1Checker;
gameLogic.Board[4][3] = p2Checker;
var isSuccessful = gameLogic.SendMove(move);
Assert.That(isSuccessful, Is.False, "P1 cannot avoid a jump when available");
}
public void Assert_that_a_player_must_jump_when_possible()
{
// If a player attempts to simply move when a jump is possible, then the move is not valid
var p1Checker = new Checker(Player.PlayerOne);
var p2Checker = new Checker(Player.PlayerTwo);
var move = new Move
{
Player = Player.PlayerOne,
From = new Square(5, 2),
To = new Square(4, 3),
};
var gameLogic = new GameLogic { Board = GetEmptyBoard() };
gameLogic.Board[5][2] = p1Checker;
gameLogic.Board[3][4] = p2Checker;
var isSuccessful = gameLogic.SendMove(move);
Assert.That(isSuccessful, Is.True, "P1 is allowed to commit suicide");
var boardState = gameLogic.GetBoardState();
Assert.That(boardState.IsPlayerOnesTurn, Is.False, "Should be P2's turn after P1's suicide");
}
public void Assert_that_unkinged_p2_checker_cannot_jump_backwards()
{
var p1Checker = new Checker(Player.PlayerOne);
var p2Checker = new Checker(Player.PlayerTwo);
var move = new Move
{
Player = Player.PlayerTwo,
From = new Square(2, 5),
To = new Square(3, 6),
};
var gameLogic = new GameLogic { Board = GetEmptyBoard() };
gameLogic.Board[2][5] = p1Checker;
gameLogic.Board[7][0] = p2Checker;
var validation = gameLogic.IsValidMove(move);
Assert.That(validation.IsValid, Is.False, "Cannot jump backwards!");
}
public MoveValidation IsValidMove(Move move)
{
var result = new MoveValidation();
if (!move.From.IsValidSquare() || !move.To.IsValidSquare()) return result;
if (!PlayerHasCheckerOnSquare(move.Player, move.From)) return result;
if (!IsSquareEmpty(move.To)) return result;
// Check if an actual move was sent
var deltaX = move.From.X - move.To.X;
var deltaY = move.From.Y - move.To.Y;
if (deltaX == 0 || deltaY == 0) return result;
if (Math.Abs(deltaX) != Math.Abs(deltaY)) return result;
if (Math.Abs(deltaX) == 2)
{
// Attempted a jump
var jumpedSquare = new Square((move.From.X + move.To.X)/2, (move.From.Y + move.To.Y)/2);
var jumpedChecker = Board[jumpedSquare.X][jumpedSquare.Y];
if (jumpedChecker == null) return result;
if (jumpedChecker.Player == move.Player) return result;
result.JumpedChecker = jumpedChecker;
result.JumpedSquare = jumpedSquare;
}
else if (Math.Abs(deltaX) != 1) return result;
else if (PlayerHasJumpAvailable(move.Player)) return result;
var checker = Board[move.From.X][move.From.Y];
if (!checker.IsKinged)
{
if (move.Player == Player.PlayerOne && deltaY > 0) return result;
if (move.Player == Player.PlayerTwo && deltaY < 0) return result;
}
result.IsValid = true;
return result;
}
public void Assert_that_kinged_p1_checker_can_jump_backwards()
{
var p1Checker = new Checker(Player.PlayerOne) { IsKinged = true, };
var p2Checker = new Checker(Player.PlayerTwo);
var move = new Move
{
Player = Player.PlayerOne,
From = new Square(3, 2),
To = new Square(2, 1),
};
var gameLogic = new GameLogic { Board = GetEmptyBoard() };
gameLogic.Board[3][2] = p1Checker;
gameLogic.Board[0][7] = p2Checker;
var validation = gameLogic.IsValidMove(move);
Assert.That(validation.IsValid, Is.True, "Kings can jump backwards!");
}
public bool SendMove(Move move)
{
//TODO change result from bool to complex state
//TODO Make computer able to play
if (!IsPlayersTurn(move.Player)) return false;
var moveValidation = IsValidMove(move);
if (!moveValidation.IsValid) return false;
// Move the checker
var checker = Board[move.From.X][move.From.Y];
Board[move.To.X][move.To.Y] = checker;
Board[move.From.X][move.From.Y] = null;
if (moveValidation.JumpedSquare != null)
Board[moveValidation.JumpedSquare.X][moveValidation.JumpedSquare.Y] = null;
if (!checker.IsKinged)
{
if ((move.To.Y == 0 && move.Player == Player.PlayerTwo) ||
(move.To.Y == 7 && move.Player == Player.PlayerOne))
checker.IsKinged = true;
}
if (moveValidation.JumpedChecker == null || !PlayerHasJumpAvailable(move.Player))
{
IsPlayerOnesTurn = !IsPlayerOnesTurn;
}
return true;
}
public void Assert_that_logjam_forces_game_over()
{
var p1Checker = new Checker(Player.PlayerOne);
var p2Checker1 = new Checker(Player.PlayerTwo);
var p2Checker2 = new Checker(Player.PlayerTwo);
var move = new Move
{
Player = Player.PlayerTwo,
};
var gameLogic = new GameLogic {Board = GetEmptyBoard()};
gameLogic.Board[0][7] = p1Checker;
gameLogic.Board[1][6] = p2Checker1;
gameLogic.Board[2][5] = p2Checker2;
var isGameOver = gameLogic.IsGameOver(move);
Assert.That(isGameOver, Is.True);
}
public bool IsGameOver(Move move)
{
var otherPlayerCheckers = Board.Select((row, x) => row.Select((checker, y) => new {checkerWithLocation = checker, Square = new Square(x, y)})
.Where(o => o.checkerWithLocation != null && o.checkerWithLocation.Player != move.Player))
.SelectMany(x => x)
.ToArray();
if (!otherPlayerCheckers.Any())
{
return true;
}
var hasAtLeastOneValidMove = otherPlayerCheckers.SelectMany(x => new[]
{
x.Square.MoveNW(),
x.Square.MoveNE(),
x.Square.MoveSW(),
x.Square.MoveSE(),
x.Square.JumpNW(),
x.Square.JumpNE(),
x.Square.JumpSW(),
x.Square.JumpSE(),
}
.Select(to => new Move {Player = x.checkerWithLocation.Player, From = x.Square, To = to}))
.Any(m => IsValidMove(m).IsValid);
if (!hasAtLeastOneValidMove) return true;
return false;
}
