def test_remove_piece_with_one_sets_cell_one_to_space(self):
grid = tictactoe.create_grid()
grid[1] = "X"
tictactoe.remove_piece(grid, 1)
self.assertEqual(grid[1], " ")
def setUp(self):
self.grid = tictactoe.create_grid()
self.grid[0] = "X"
self.grid[1] = "O"
self.grid[2] = "X"
self.grid[3] = "X"
self.grid[4] = "O"
self.grid[5] = "O"
self.grid[6] = "O"
self.grid[7] = "X"
self.grid[8] = "X"
def setUp(self):
self.grid = tictactoe.create_grid()
def test_get_winner_with_empty_cells_returns_none(self):
grid = tictactoe.create_grid()
winner = tictactoe.get_winner(grid, "X")
self.assertIsNone(winner)
