def test_failed(self):
quest = QuestProgression(self.quest, KnowledgeBase.default())
quest = self._apply_actions_to_quest(self.eating_carrot.actions, quest)
assert not quest.completed
assert quest.failed
assert quest.winning_policy is None
quest = QuestProgression(self.quest, KnowledgeBase.default())
quest = self._apply_actions_to_quest(self.eating_lettuce.actions, quest)
assert not quest.completed
assert quest.failed
assert quest.winning_policy is None
def test_completed(self):
quest = QuestProgression(self.quest, KnowledgeBase.default())
quest = self._apply_actions_to_quest(self.eventA.actions, quest)
assert quest.completed
assert not quest.failed
assert quest.winning_policy is None
# Alternative winning strategy.
quest = QuestProgression(self.quest, KnowledgeBase.default())
quest = self._apply_actions_to_quest(self.eventB.actions, quest)
assert quest.completed
assert not quest.failed
assert quest.winning_policy is None
def test_failing_quest(self):
quest = QuestProgression(self.quest, KnowledgeBase.default())
state = self.game.state.copy()
for action in self.eating_quest.actions:
state.apply(action)
if action.name.startswith("eat"):
quest.update(action, state)
assert len(quest.winning_policy) == 0
assert quest.done
assert not quest.completed
assert not quest.failed
assert quest.unfinishable
break
assert not quest.done
assert len(quest.winning_policy) > 0
def test_winning_policy(self):
kb = KnowledgeBase.default()
quest = QuestProgression(self.quest, kb)
quest = self._apply_actions_to_quest(quest.winning_policy, quest)
assert quest.completed
assert not quest.failed
assert quest.winning_policy is None
# Winning policy should be the shortest one leading to a winning event.
state = self.game.world.state.copy()
quest = QuestProgression(self.quest, KnowledgeBase.default())
for i, action in enumerate(self.eventB.actions):
if i < 2:
assert quest.winning_policy == self.eventA.actions
else:
# After taking the lettuce and putting it in the chest,
# QuestB becomes the shortest one to complete.
assert quest.winning_policy == self.eventB.actions[i:]
assert not quest.done
state.apply(action)
quest.update(action, state)
assert quest.done
assert quest.completed
assert not quest.failed
assert quest.winning_policy is None
def test_winning_policy(self):
quest = QuestProgression(self.quest)
assert quest.winning_policy == self.quest.actions
quest.update(self.quest.actions[0])
assert quest.winning_policy == self.quest.actions[1:]
def test_winning_policy(self):
quest = QuestProgression(self.quest, KnowledgeBase.default())
assert quest.winning_policy == self.quest.actions
quest.update(self.quest.actions[0], state=State())
assert tuple(quest.winning_policy) == self.quest.actions[1:]