def test_traveling_back_in_time(default_domain: Domain):
tracker = DialogueStateTracker("default", default_domain.slots)
# the retrieved tracker should be empty
assert len(tracker.events) == 0
intent = {"name": "greet", "confidence": 1.0}
tracker.update(ActionExecuted(ACTION_LISTEN_NAME))
tracker.update(UserUttered("/greet", intent, []))
import time
time.sleep(1)
time_for_timemachine = time.time()
time.sleep(1)
tracker.update(ActionExecuted("my_action"))
tracker.update(ActionExecuted(ACTION_LISTEN_NAME))
# Expecting count of 4:
# +3 executed actions
# +1 final state
assert tracker.latest_action.get(ACTION_NAME) == ACTION_LISTEN_NAME
assert len(tracker.events) == 4
assert len(list(tracker.generate_all_prior_trackers())) == 4
tracker = tracker.travel_back_in_time(time_for_timemachine)
# Expecting count of 2:
# +1 executed actions
# +1 final state
assert tracker.latest_action.get(ACTION_NAME) == ACTION_LISTEN_NAME
assert len(tracker.events) == 2
assert len(list(tracker.generate_all_prior_trackers())) == 2
def test_restart_event(default_domain: Domain):
tracker = DialogueStateTracker("default", default_domain.slots)
# the retrieved tracker should be empty
assert len(tracker.events) == 0
intent = {"name": "greet", "confidence": 1.0}
tracker.update(ActionExecuted(ACTION_LISTEN_NAME))
tracker.update(UserUttered("/greet", intent, []))
tracker.update(ActionExecuted("my_action"))
tracker.update(ActionExecuted(ACTION_LISTEN_NAME))
assert len(tracker.events) == 4
assert tracker.latest_message.text == "/greet"
assert len(list(tracker.generate_all_prior_trackers())) == 4
tracker.update(Restarted())
assert len(tracker.events) == 5
assert tracker.followup_action is not None
assert tracker.followup_action == ACTION_LISTEN_NAME
assert tracker.latest_message.text is None
assert len(list(tracker.generate_all_prior_trackers())) == 1
dialogue = tracker.as_dialogue()
recovered = DialogueStateTracker("default", default_domain.slots)
recovered.recreate_from_dialogue(dialogue)
assert recovered.current_state() == tracker.current_state()
assert len(recovered.events) == 5
assert recovered.latest_message.text is None
assert len(list(recovered.generate_all_prior_trackers())) == 1
def test_revert_action_event(default_domain: Domain):
tracker = DialogueStateTracker("default", default_domain.slots)
# the retrieved tracker should be empty
assert len(tracker.events) == 0
intent = {"name": "greet", "confidence": 1.0}
tracker.update(ActionExecuted(ACTION_LISTEN_NAME))
tracker.update(UserUttered("/greet", intent, []))
tracker.update(ActionExecuted("my_action"))
tracker.update(ActionExecuted(ACTION_LISTEN_NAME))
# Expecting count of 4:
# +3 executed actions
# +1 final state
assert tracker.latest_action.get(ACTION_NAME) == ACTION_LISTEN_NAME
assert len(list(tracker.generate_all_prior_trackers())) == 4
tracker.update(ActionReverted())
# Expecting count of 3:
# +3 executed actions
# +1 final state
# -1 reverted action
assert tracker.latest_action.get(ACTION_NAME) == "my_action"
assert len(list(tracker.generate_all_prior_trackers())) == 3
dialogue = tracker.as_dialogue()
recovered = DialogueStateTracker("default", default_domain.slots)
recovered.recreate_from_dialogue(dialogue)
assert recovered.current_state() == tracker.current_state()
assert tracker.latest_action.get(ACTION_NAME) == "my_action"
assert len(list(tracker.generate_all_prior_trackers())) == 3
def test_revert_user_utterance_event(default_domain: Domain):
tracker = DialogueStateTracker("default", default_domain.slots)
# the retrieved tracker should be empty
assert len(tracker.events) == 0
intent1 = {"name": "greet", "confidence": 1.0}
tracker.update(ActionExecuted(ACTION_LISTEN_NAME))
tracker.update(UserUttered("/greet", intent1, []))
tracker.update(ActionExecuted("my_action_1"))
tracker.update(ActionExecuted(ACTION_LISTEN_NAME))
intent2 = {"name": "goodbye", "confidence": 1.0}
tracker.update(UserUttered("/goodbye", intent2, []))
tracker.update(ActionExecuted("my_action_2"))
tracker.update(ActionExecuted(ACTION_LISTEN_NAME))
# Expecting count of 6:
# +5 executed actions
# +1 final state
assert tracker.latest_action.get(ACTION_NAME) == ACTION_LISTEN_NAME
assert len(list(tracker.generate_all_prior_trackers())) == 6
tracker.update(UserUtteranceReverted())
# Expecting count of 3:
# +5 executed actions
# +1 final state
# -2 rewound actions associated with the /goodbye
# -1 rewound action from the listen right before /goodbye
assert tracker.latest_action.get(ACTION_NAME) == "my_action_1"
assert len(list(tracker.generate_all_prior_trackers())) == 3
dialogue = tracker.as_dialogue()
recovered = DialogueStateTracker("default", default_domain.slots)
recovered.recreate_from_dialogue(dialogue)
assert recovered.current_state() == tracker.current_state()
assert tracker.latest_action.get(ACTION_NAME) == "my_action_1"
assert len(list(tracker.generate_all_prior_trackers())) == 3
def test_tracker_duplicate():
filename = "data/test_dialogues/moodbot.json"
dialogue = read_dialogue_file(filename)
tracker = DialogueStateTracker(dialogue.name, domain.slots)
tracker.recreate_from_dialogue(dialogue)
num_actions = len(
[event for event in dialogue.events if isinstance(event, ActionExecuted)]
)
# There is always one duplicated tracker more than we have actions,
# as the tracker also gets duplicated for the
# action that would be next (but isn't part of the operations)
assert len(list(tracker.generate_all_prior_trackers())) == num_actions + 1
