def advance_helper(player_first, board_string):
'''
Given a game state represented by a string, updates that state
with the perfect strategy's next move, if any and the result
of the game, if any.
:param player_first: string representing whether the player went first
('true' or false')
:param board: string representing the state of the board. Length 9 each
character being 'x', 'o' or '-'
:returns: dictionary of the form {'board' : '-x--o----', 'wins' : ''},
where 'wins' can be either '', 'x', 'o' or 'tie'.
'''
board = construct_board(board_string)
result = board.result()
if result == "None":
move = perfect(board)
board.place(*move)
board_string = construct_board_str(board)
result = board.result()
if result == "None":
result = ''
result = result.lower()
return {'board' : board_string, 'wins': result}
def advance_helper(player_first, board_string):
'''
Given a game state represented by a string, updates that state
with the perfect strategy's next move, if any and the result
of the game, if any.
:param player_first: string representing whether the player went first
('true' or false')
:param board: string representing the state of the board. Length 9 each
character being 'x', 'o' or '-'
:returns: dictionary of the form {'board' : '-x--o----', 'wins' : ''},
where 'wins' can be either '', 'x', 'o' or 'tie'.
'''
board = construct_board(board_string)
result = board.result()
if result == "None":
move = perfect(board)
board.place(*move)
board_string = construct_board_str(board)
result = board.result()
if result == "None":
result = ''
result = result.lower()
return {'board': board_string, 'wins': result}
def test_OnBoardWithOneAcceptableOptionReturnsIt3(self):
self.assertEqual(perfect(self.board6), (8, 'x'))
def test_OnBoardWithOneAcceptableOptionReturnsIt2(self):
self.assertEqual(perfect(self.board5), (1, 'o'))
def test_OnBoardWithMultipleAccetableOptionsReturnsOneOfThem2(self):
self.assertIn(perfect(self.board3), [(0, 'o'), (2, 'o'), (6, 'o'), (7, 'o')])
def test_OnBoardWithMultipleAccetableOptionsReturnsOneOfThem1(self):
self.assertIn(perfect(self.board1), [(6, 'x'), (2, 'x')])