def test_get_winner_diagonal(self):
"Three on a diagonal is a winner."
g = Game()
g.board_state = [['X', None, None],
[None, 'X', None],
[None, None, 'X']]
self.assertEquals(g.get_winner(), 'X')
g.board_state = [[None, None, 'O'],
[None, 'O', None],
['O', None, None]]
self.assertEquals(g.get_winner(), 'O')
def test_is_game_over_tie(self):
"A game board that is a tie is a game over."
g = Game()
g.board_state = [['X', 'O', 'X'],
['X', 'O', 'X'],
['O', 'X', 'O']]
self.assertTrue(g.is_game_over())
