def test_minimax(self):
# Based on page 281 of lecture0.pdf
board = [[EMPTY, X, O], [O, X, EMPTY], [X, EMPTY, O]]
self.assertEqual(minimax(board), (2, 1))
else:
title = f"Game Over: {winner} wins."
elif user == player:
title = f"Play as {user}"
else:
title = f"Computer thinking..."
title = largeFont.render(title, True, white)
titleRect = title.get_rect()
titleRect.center = ((width / 2), 30)
screen.blit(title, titleRect)
# Check for AI move
if user != player and not game_over:
if ai_turn:
time.sleep(0.5)
move = ttt.minimax(board)
board = ttt.result(board, move)
ai_turn = False
else:
ai_turn = True
# Check for a user move
click, _, _ = pygame.mouse.get_pressed()
if click == 1 and user == player and not game_over:
mouse = pygame.mouse.get_pos()
for i in range(3):
for j in range(3):
if (board[i][j] == ttt.EMPTY
and tiles[i][j].collidepoint(mouse)):
board = ttt.result(board, (i, j))
def test_minimax_prevent_o_from_winning(self):
board = [[X, X, O], [O, O, EMPTY], [EMPTY, EMPTY, EMPTY]]
self.assertEqual(minimax(board), (1, 2))
def test_minimax_tie(self):
board = [[X, X, O], [O, O, X], [X, O, EMPTY]]
self.assertEqual(minimax(board), (2, 2))
def test_minimax_x_wins(self):
board = [[X, X, EMPTY], [O, O, EMPTY], [EMPTY, EMPTY, EMPTY]]
self.assertEqual(minimax(board), (0, 2))
def test_minimax_terminal(self):
board = [[X, X, O], [O, O, X], [X, O, X]]
self.assertEqual(minimax(board), None)
else:
title = f"Game Over: {winner} wins."
elif user == player:
title = f"Play as {user}"
else:
title = f"Computer thinking..."
title = largeFont.render(title, True, white)
titleRect = title.get_rect()
titleRect.center = ((width / 2), 30)
screen.blit(title, titleRect)
# Check for AI move
if user != player and not game_over:
if ai_turn:
time.sleep(0.5)
mov_dirt = ttt.minimax(board, 0)
move = (mov_dirt[0], mov_dirt[1])
board = ttt.result(board, move)
ai_turn = False
else:
ai_turn = True
# Check for a user move
click, _, _ = pygame.mouse.get_pressed()
if click == 1 and user == player and not game_over:
mouse = pygame.mouse.get_pos()
for i in range(3):
for j in range(3):
if (board[i][j] == ttt.EMPTY
and tiles[i][j].collidepoint(mouse)):
board = ttt.result(board, (i, j))
