def test_x_wins(self):
game = TicTacToe()
winner = game.winner(1, [(0,0)], [])
self.assertEquals(winner, "x")
def test_x_second_line(self):
game = TicTacToe()
winner = game.winner(3, [], [(1,0), (1,1), (1,2)])
self.assertEquals(winner, "o")
def test_nobody_wins(self):
game = TicTacToe()
winner = game.winner(3, [], [])
self.assertEquals(winner, "nobody")
def test_o_rows_board(self):
game = TicTacToe()
winner = game.winner(3, [], [(0,0), (0,1), (0,2)])
self.assertEquals(winner, "o")
