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# Copyright 2018 Mycroft AI Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import unittest
from adapt.engine import IntentDeterminationEngine
from adapt.intent import IntentBuilder
__author__ = 'seanfitz'
class IntentEngineTests(unittest.TestCase):
def setUp(self):
self.engine = IntentDeterminationEngine()
def testRegisterIntentParser(self):
assert len(self.engine.intent_parsers) == 0
try:
self.engine.register_intent_parser("NOTAPARSER")
assert "Did not fail to register invalid intent parser" and False
except ValueError as e:
pass
parser = IntentBuilder("Intent").build()
self.engine.register_intent_parser(parser)
assert len(self.engine.intent_parsers) == 1
def testRegisterRegexEntity(self):
assert len(self.engine._regex_strings) == 0
assert len(self.engine.regular_expressions_entities) == 0
self.engine.register_regex_entity(".*")
assert len(self.engine._regex_strings) == 1
assert len(self.engine.regular_expressions_entities) == 1
def testSelectBestIntent(self):
parser1 = IntentBuilder("Parser1").require("Entity1").build()
self.engine.register_intent_parser(parser1)
self.engine.register_entity("tree", "Entity1")
utterance = "go to the tree house"
intent = next(self.engine.determine_intent(utterance))
assert intent
assert intent['intent_type'] == 'Parser1'
parser2 = IntentBuilder("Parser2").require("Entity1").require("Entity2").build()
self.engine.register_intent_parser(parser2)
self.engine.register_entity("house", "Entity2")
intent = next(self.engine.determine_intent(utterance))
assert intent
assert intent['intent_type'] == 'Parser2'
def testDropIntent(self):
parser1 = IntentBuilder("Parser1").require("Entity1").build()
self.engine.register_intent_parser(parser1)
self.engine.register_entity("tree", "Entity1")
parser2 = (IntentBuilder("Parser2").require("Entity1")
.require("Entity2").build())
self.engine.register_intent_parser(parser2)
self.engine.register_entity("house", "Entity2")
utterance = "go to the tree house"
intent = next(self.engine.determine_intent(utterance))
assert intent
assert intent['intent_type'] == 'Parser2'
assert self.engine.drop_intent_parser('Parser2') is True
intent = next(self.engine.determine_intent(utterance))
assert intent
assert intent['intent_type'] == 'Parser1'
def testDropEntity(self):
parser1 = IntentBuilder("Parser1").require("Entity1").build()
self.engine.register_intent_parser(parser1)
self.engine.register_entity("laboratory", "Entity1")
self.engine.register_entity("lab", "Entity1")
utterance = "get out of my lab"
utterance2 = "get out of my laboratory"
intent = next(self.engine.determine_intent(utterance))
assert intent
assert intent['intent_type'] == 'Parser1'
intent = next(self.engine.determine_intent(utterance2))
assert intent
assert intent['intent_type'] == 'Parser1'
# Remove Entity and re-register laboratory and make sure only that
# matches.
self.engine.drop_entity(entity_type='Entity1')
self.engine.register_entity("laboratory", "Entity1")
# Sentence containing lab should not produce any results
with self.assertRaises(StopIteration):
intent = next(self.engine.determine_intent(utterance))
# But sentence with laboratory should
intent = next(self.engine.determine_intent(utterance2))
assert intent
assert intent['intent_type'] == 'Parser1'
def testCustomDropEntity(self):
parser1 = (IntentBuilder("Parser1").one_of("Entity1", "Entity2")
.build())
self.engine.register_intent_parser(parser1)
self.engine.register_entity("laboratory", "Entity1")
self.engine.register_entity("lab", "Entity2")
utterance = "get out of my lab"
utterance2 = "get out of my laboratory"
intent = next(self.engine.determine_intent(utterance))
assert intent
assert intent['intent_type'] == 'Parser1'
intent = next(self.engine.determine_intent(utterance2))
assert intent
assert intent['intent_type'] == 'Parser1'
def matcher(data):
return data[1].startswith('Entity')
self.engine.drop_entity(match_func=matcher)
self.engine.register_entity("laboratory", "Entity1")
# Sentence containing lab should not produce any results
with self.assertRaises(StopIteration):
intent = next(self.engine.determine_intent(utterance))
# But sentence with laboratory should
intent = next(self.engine.determine_intent(utterance2))
assert intent
def testDropRegexEntity(self):
self.engine.register_regex_entity(r"the dog (?P<Dog>.*)")
self.engine.register_regex_entity(r"the cat (?P<Cat>.*)")
assert len(self.engine._regex_strings) == 2
assert len(self.engine.regular_expressions_entities) == 2
self.engine.drop_regex_entity(entity_type='Cat')
assert len(self.engine._regex_strings) == 1
assert len(self.engine.regular_expressions_entities) == 1
def testCustomDropRegexEntity(self):
self.engine.register_regex_entity(r"the dog (?P<SkillADog>.*)")
self.engine.register_regex_entity(r"the cat (?P<SkillACat>.*)")
self.engine.register_regex_entity(r"the mangy dog (?P<SkillBDog>.*)")
assert len(self.engine._regex_strings) == 3
assert len(self.engine.regular_expressions_entities) == 3
def matcher(regexp):
"""Matcher for all match groups defined for SkillB"""
match_groups = regexp.groupindex.keys()
return any([k.startswith('SkillB') for k in match_groups])
self.engine.drop_regex_entity(match_func=matcher)
assert len(self.engine._regex_strings) == 2
assert len(self.engine.regular_expressions_entities) == 2
def testAddingOfRemovedRegexp(self):
self.engine.register_regex_entity(r"the cool (?P<thing>.*)")
def matcher(regexp):
"""Matcher for all match groups defined for SkillB"""
match_groups = regexp.groupindex.keys()
return any([k.startswith('thing') for k in match_groups])
self.engine.drop_regex_entity(match_func=matcher)
assert len(self.engine.regular_expressions_entities) == 0
self.engine.register_regex_entity(r"the cool (?P<thing>.*)")
assert len(self.engine.regular_expressions_entities) == 1
def testUsingOfRemovedRegexp(self):
self.engine.register_regex_entity(r"the cool (?P<thing>.*)")
parser = IntentBuilder("Intent").require("thing").build()
self.engine.register_intent_parser(parser)
def matcher(regexp):
"""Matcher for all match groups defined for SkillB"""
match_groups = regexp.groupindex.keys()
return any([k.startswith('thing') for k in match_groups])
self.engine.drop_regex_entity(match_func=matcher)
assert len(self.engine.regular_expressions_entities) == 0
utterance = "the cool cat"
intents = [match for match in self.engine.determine_intent(utterance)]
assert len(intents) == 0
def testEmptyTags(self):
# Validates https://github.com/MycroftAI/adapt/issues/114
engine = IntentDeterminationEngine()
engine.register_entity("Kevin",
"who") # same problem if several entities
builder = IntentBuilder("Buddies")
builder.optionally("who") # same problem if several entity types
engine.register_intent_parser(builder.build())
intents = [i for i in engine.determine_intent("Julien is a friend")]
assert len(intents) == 0
def testResultsAreSortedByConfidence(self):
self.engine.register_entity('what is', 'Query', None)
self.engine.register_entity('weather', 'Weather', None)
self.engine.register_regex_entity('(at|in) (?P<Location>.+)')
self.engine.register_regex_entity('(?P<Entity>.*)')
i = IntentBuilder("CurrentWeatherIntent").require(
"Weather").optionally("Location").build()
self.engine.register_intent_parser(i)
utterance = "what is the weather like in stockholm"
intents = [
i for i in self.engine.determine_intent(utterance, num_results=100)
]
confidences = [intent.get('confidence', 0.0) for intent in intents]
assert len(confidences) > 1
assert all(confidences[i] >= confidences[i+1] for i in range(len(confidences)-1))
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