def test_place_already_taken():
game = TicTacToeGame()
game.place(3)
game.place(3)
with patch("sys.stdout", new=io.StringIO()) as stdout:
game.place(3)
assert stdout.getvalue() == "Position already taken, please try again:\n"
def test_random_ai_move():
game = TicTacToeGame()
with patch("ai_moves.randint") as mock_random:
mock_random.return_value = 5
game.random_ai_move()
with patch("sys.stdout", new=io.StringIO()) as stdout:
game.place(5)
assert stdout.getvalue() == "Position already taken, please try again:\n"
def test_game_restart():
game = TicTacToeGame()
game.place(8)
game.restart()
assert game.steps == 0
for key in game.board.keys():
assert game.board[key] == "-"
def test_handle_game_end():
game = TicTacToeGame()
game.place(8)
with patch("builtins.input", return_value="y"):
handle_game_end(game)
assert game.board[8] == "-"
with pytest.raises(TicTacToeException):
with patch("builtins.input", return_value="n"):
handle_game_end(game)
def test_game_diag_win():
game = TicTacToeGame()
game.place(7)
game.place(5)
game.place(3)
assert game._check_diag_win(game.board, "X") == True
assert game.check_winner(game.board) == "Player"
game.restart()
game.place(9)
game.place(5)
game.place(1)
assert game._check_diag_win(game.board, "X") == True
assert game.check_winner(game.board) == "Player"
def test_draw():
game = TicTacToeGame()
with patch("ai_moves.randint") as mock_random:
game.place(5)
mock_random.return_value = 3
game.ai_move()
game.place(7)
mock_random.return_value = 9
game.ai_move()
game.place(6)
mock_random.return_value = 4
game.ai_move()
game.place(2)
mock_random.return_value = 8
game.ai_move()
with patch("sys.stdout", new=io.StringIO()) as stdout:
game.place(1)
assert stdout.getvalue().split("\n")[-2] == "Its a TIE!"
def test_player_win__board_full():
game = TicTacToeGame()
with patch("ai_moves.randint") as mock_random:
game.place(5)
mock_random.return_value = 1
game.ai_move()
game.place(8)
mock_random.return_value = 2
game.ai_move()
game.place(3)
mock_random.return_value = 7
game.ai_move()
game.place(4)
mock_random.return_value = 9
game.ai_move()
with patch("sys.stdout", new=io.StringIO()) as stdout:
game.place(6)
assert stdout.getvalue().split("\n")[-2] == "Congratulations! You win!"
def test_ai_win__board_not_full():
game = TicTacToeGame()
with patch("ai_moves.randint") as mock_random:
game.place(7)
mock_random.return_value = 1
game.ai_move()
game.place(8)
mock_random.return_value = 2
game.ai_move()
game.place(5)
mock_random.return_value = 3
with patch("sys.stdout", new=io.StringIO()) as stdout:
game.ai_move()
assert stdout.getvalue().split("\n")[-2] == "Sorry you lost, keep trying!"
def test_place_valid():
game = TicTacToeGame()
game.place(3)
assert game.board[3] == "X"