public void SetToken_PositionOffBoard_ReturnsInvalidMove()
{
// arrange
var board = new CrossesBoard();
// act
var validMovePlayed = board.SetToken(GameToken.Player1, new BoardPosition(3, -1));
// assert
Assert.That(validMovePlayed, Is.EqualTo(MoveResult.OutsideBoardBoundary));
}
public void SetToken_PositionEmpty_ReturnsValidMove()
{
// arrange
var board = new CrossesBoard();
// act
var validMovePlayed = board.SetToken(GameToken.Player1, new BoardPosition(0, 0));
// assert
Assert.That(validMovePlayed, Is.EqualTo(MoveResult.ValidMove));
}
public void SetToken_PositionOccupied_ReturnsInvalidMove()
{
// arrange
var board = new CrossesBoard();
board.SetToken(GameToken.Player1, new BoardPosition(2, 1));
// act
var validMovePlayed = board.SetToken(GameToken.Player2, new BoardPosition(2, 1));
// assert
Assert.That(validMovePlayed, Is.EqualTo(MoveResult.PositionTaken));
}
public void GetStatusFrom_PartiallyFilledBoard_ReturnsOngoing()
{
// arrange
var checker = new GameChecker();
var board = new CrossesBoard();
board.SetToken(GameToken.Player1, new BoardPosition(0, 0));
board.SetToken(GameToken.Player2, new BoardPosition(1, 2));
board.SetToken(GameToken.Player1, new BoardPosition(2, 1));
// act
var status = checker.GetStatusFrom(board);
// assert
Assert.That(status, Is.EqualTo(GameStatus.Ongoing));
}
public void GetStatusFrom_Player2Wins_ReturnsPlayer2()
{
// arrange
var checker = new GameChecker();
var board = new CrossesBoard();
board.SetToken(GameToken.Player2, new BoardPosition(0, 0));
board.SetToken(GameToken.Player2, new BoardPosition(0, 1));
board.SetToken(GameToken.Player2, new BoardPosition(0, 2));
// act
var status = checker.GetStatusFrom(board);
// assert
Assert.That(status, Is.EqualTo(GameStatus.Player2Wins));
}
public void GetStatusFrom_PlayerWinsDiagonal_ReturnsPlayer(int column1, int row1, int column2, int row2, int column3, int row3)
{
// arrange
var checker = new GameChecker();
var board = new CrossesBoard();
board.SetToken(GameToken.Player1, new BoardPosition(column1, row1));
board.SetToken(GameToken.Player1, new BoardPosition(column2, row2));
board.SetToken(GameToken.Player1, new BoardPosition(column3, row3));
// act
var status = checker.GetStatusFrom(board);
// assert
Assert.That(status, Is.EqualTo(GameStatus.Player1Wins));
}
public void GetStatusFrom_PlayerWinsRow_ReturnsPlayer(int row)
{
// arrange
var checker = new GameChecker();
var board = new CrossesBoard();
board.SetToken(GameToken.Player1, new BoardPosition(0, row));
board.SetToken(GameToken.Player1, new BoardPosition(1, row));
board.SetToken(GameToken.Player1, new BoardPosition(2, row));
// act
var status = checker.GetStatusFrom(board);
// assert
Assert.That(status, Is.EqualTo(GameStatus.Player1Wins));
}
public void ToString_EmptyBoard_DrawsBoard()
{
// arrange
var board = new CrossesBoard();
// act
var output = BoardVisualiser.ToString(board);
// assert
Assert.That(output, Is.EqualTo(@"
0 1 2
┌───┬───┬───┐
0 │ │ │ │
├───┼───┼───┤
1 │ │ │ │
├───┼───┼───┤
2 │ │ │ │
└───┴───┴───┘
"));
}
public void GetStatusFrom_FilledBoardNoWinner_ReturnsDraw()
{
// arrange
var checker = new GameChecker();
var board = new CrossesBoard();
board.SetToken(GameToken.Player1, new BoardPosition(0, 0));
board.SetToken(GameToken.Player1, new BoardPosition(0, 1));
board.SetToken(GameToken.Player1, new BoardPosition(1, 2));
board.SetToken(GameToken.Player1, new BoardPosition(2, 0));
board.SetToken(GameToken.Player1, new BoardPosition(2, 1));
board.SetToken(GameToken.Player2, new BoardPosition(0, 2));
board.SetToken(GameToken.Player2, new BoardPosition(1, 0));
board.SetToken(GameToken.Player2, new BoardPosition(1, 1));
board.SetToken(GameToken.Player2, new BoardPosition(2, 2));
// act
var status = checker.GetStatusFrom(board);
// assert
Assert.That(status, Is.EqualTo(GameStatus.Draw));
}
public void For_Player2_CreatesBoardsForPlayer()
{
// arrange
var board = new CrossesBoard();
board.SetToken(GameToken.Player1, new BoardPosition(0, 0));
board.SetToken(GameToken.Player2, new BoardPosition(1, 2));
board.SetToken(GameToken.Player1, new BoardPosition(2, 1));
// act
var playerBoard = board.For(GameToken.Player2);
// assert
Assert.That(playerBoard.TokenAt(new BoardPosition(0, 0)), Is.EqualTo(PlayerToken.Opponent));
Assert.That(playerBoard.TokenAt(new BoardPosition(1, 2)), Is.EqualTo(PlayerToken.Me));
Assert.That(playerBoard.TokenAt(new BoardPosition(2, 1)), Is.EqualTo(PlayerToken.Opponent));
Assert.That(playerBoard.TokenAt(new BoardPosition(0, 1)), Is.EqualTo(PlayerToken.None));
Assert.That(playerBoard.TokenAt(new BoardPosition(1, 0)), Is.EqualTo(PlayerToken.None));
Assert.That(playerBoard.TokenAt(new BoardPosition(2, 0)), Is.EqualTo(PlayerToken.None));
Assert.That(playerBoard.TokenAt(new BoardPosition(0, 2)), Is.EqualTo(PlayerToken.None));
Assert.That(playerBoard.TokenAt(new BoardPosition(1, 1)), Is.EqualTo(PlayerToken.None));
Assert.That(playerBoard.TokenAt(new BoardPosition(2, 2)), Is.EqualTo(PlayerToken.None));
}
public void Copy_Called_CreatesCopyOfBoard()
{
// arrange
var board = new CrossesBoard();
board.SetToken(GameToken.Player1, new BoardPosition(0, 0));
board.SetToken(GameToken.Player2, new BoardPosition(1, 2));
board.SetToken(GameToken.Player1, new BoardPosition(2, 1));
// act
var newBoard = board.Copy();
// assert
Assert.That(newBoard, Is.Not.EqualTo(board));
Assert.That(newBoard.TokenAt(new BoardPosition(0, 0)), Is.EqualTo(board.TokenAt(new BoardPosition(0, 0))));
Assert.That(newBoard.TokenAt(new BoardPosition(1, 0)), Is.EqualTo(board.TokenAt(new BoardPosition(1, 0))));
Assert.That(newBoard.TokenAt(new BoardPosition(2, 0)), Is.EqualTo(board.TokenAt(new BoardPosition(2, 0))));
Assert.That(newBoard.TokenAt(new BoardPosition(0, 1)), Is.EqualTo(board.TokenAt(new BoardPosition(0, 1))));
Assert.That(newBoard.TokenAt(new BoardPosition(1, 1)), Is.EqualTo(board.TokenAt(new BoardPosition(1, 1))));
Assert.That(newBoard.TokenAt(new BoardPosition(2, 1)), Is.EqualTo(board.TokenAt(new BoardPosition(2, 1))));
Assert.That(newBoard.TokenAt(new BoardPosition(0, 2)), Is.EqualTo(board.TokenAt(new BoardPosition(0, 2))));
Assert.That(newBoard.TokenAt(new BoardPosition(1, 2)), Is.EqualTo(board.TokenAt(new BoardPosition(1, 2))));
Assert.That(newBoard.TokenAt(new BoardPosition(2, 2)), Is.EqualTo(board.TokenAt(new BoardPosition(2, 2))));
}
public void ToString_BoardWithMixedTokens_DrawsBoard()
{
// arrange
var board = new CrossesBoard();
board.SetToken(GameToken.Player1, new BoardPosition(0, 0));
board.SetToken(GameToken.Player2, new BoardPosition(1, 2));
board.SetToken(GameToken.Player1, new BoardPosition(2, 1));
// act
var output = BoardVisualiser.ToString(board);
// assert
Assert.That(output, Is.EqualTo(@"
0 1 2
┌───┬───┬───┐
0 │ X │ │ │
├───┼───┼───┤
1 │ │ │ X │
├───┼───┼───┤
2 │ │ O │ │
└───┴───┴───┘
"));
}