def undo_split(self, parent_markerid, child_markerid):
parent = self.markerid_to_legion.get(parent_markerid)
if parent is None:
return
child = self.markerid_to_legion.get(child_markerid)
if child is None:
return
parent_creature_names = parent.creature_names
child_creature_names = child.creature_names
parent.creatures += child.creatures
child.remove_observer(self)
del self.markerid_to_legion[child_markerid]
self.markerids_left.add(child.markerid)
self.selected_markerid = None
del child
# One action for our player with creature names, and a
# different action for other players without.
action = Action.UndoSplit(self.game.name, self.name, parent_markerid,
child_markerid, parent_creature_names,
child_creature_names)
self.notify(action, names=[self.name])
action = Action.UndoSplit(self.game.name, self.name, parent_markerid,
child_markerid,
len(parent_creature_names) * ["Unknown"],
len(child_creature_names) * ["Unknown"])
other_playernames = self.game.playernames
other_playernames.remove(self.name)
self.notify(action, names=other_playernames)
def test_undo_then_do_different():
game_name = "game"
playername = "player"
parent_markerid = "Rd01"
child_markerid = "Rd02"
other_markerid = "Rd03"
parent_creature_names = 4 * [None]
child_creature_names = 4 * [None]
history = History.History()
action = Action.SplitLegion(game_name, playername, parent_markerid,
child_markerid, parent_creature_names,
child_creature_names)
history.update(None, action, None)
undo_action = Action.UndoSplit(game_name, playername, parent_markerid,
child_markerid, parent_creature_names,
child_creature_names)
history.update(None, undo_action, None)
action2 = Action.SplitLegion(game_name, playername, parent_markerid,
other_markerid, parent_creature_names,
child_creature_names)
history.update(None, action2, None)
assert history.actions == [action2]
assert history.undone == []
assert history.can_undo(playername)
assert not history.can_redo(playername)
def test_undo_nothing():
game_name = "game"
playername = "player"
parent_markerid = "Rd01"
child_markerid = "Rd02"
parent_creature_names = 4 * [None]
child_creature_names = 4 * [None]
history = History.History()
undo_action = Action.UndoSplit(game_name, playername, parent_markerid,
child_markerid, parent_creature_names,
child_creature_names)
history.update(None, undo_action, None)
assert history.actions == []
assert history.undone == []
assert not history.can_undo(playername)
assert not history.can_redo(playername)
