def it_can_undo_last_move_or_push(self, forward_mover):
src = index_1d(4, 2, forward_mover.board.width)
dest = index_1d(3, 2, forward_mover.board.width)
forward_mover.move(Direction.LEFT)
forward_mover.undo()
assert forward_mover.state.pusher_position(DEFAULT_PIECE_ID) == src
assert forward_mover.board[src].has_pusher == True
assert forward_mover.board[dest].has_pusher == False
def it_can_undo_last_pusher_selection(self, forward_mover):
assert forward_mover.selected_pusher == DEFAULT_PIECE_ID
forward_mover.selected_pusher = DEFAULT_PIECE_ID + 1
forward_mover.undo()
assert forward_mover.selected_pusher == DEFAULT_PIECE_ID