def test_game_restart():
game = TicTacToeGame()
game.place(8)
game.restart()
assert game.steps == 0
for key in game.board.keys():
assert game.board[key] == "-"
def test_game_diag_win():
game = TicTacToeGame()
game.place(7)
game.place(5)
game.place(3)
assert game._check_diag_win(game.board, "X") == True
assert game.check_winner(game.board) == "Player"
game.restart()
game.place(9)
game.place(5)
game.place(1)
assert game._check_diag_win(game.board, "X") == True
assert game.check_winner(game.board) == "Player"