def test_fitting_should_be_reproducible_after_serialization(self):
# Given
dataset = BEVERAGE_DATASET
validated_dataset = validate_and_format_dataset(dataset)
seed1 = 666
seed2 = 42
config = ProbabilisticIntentParserConfig(
intent_classifier_config=LogRegIntentClassifierConfig(
random_seed=seed1),
slot_filler_config=CRFSlotFillerConfig(random_seed=seed2))
parser = ProbabilisticIntentParser(config)
parser_dict = parser.to_dict()
# When
fitted_parser_1 = ProbabilisticIntentParser.from_dict(parser_dict).fit(
validated_dataset)
fitted_parser_2 = ProbabilisticIntentParser.from_dict(parser_dict).fit(
validated_dataset)
# Then
feature_weights_1 = fitted_parser_1.slot_fillers[
"MakeTea"].crf_model.state_features_
feature_weights_2 = fitted_parser_2.slot_fillers[
"MakeTea"].crf_model.state_features_
self.assertEqual(feature_weights_1, feature_weights_2)
def test_should_be_deserializable_before_fitting(self):
# When
config = ProbabilisticIntentParserConfig().to_dict()
parser_dict = {
"unit_name": "probabilistic_intent_parser",
"config": config,
"intent_classifier": None,
"slot_fillers": dict(),
}
# When
parser = ProbabilisticIntentParser.from_dict(parser_dict)
# Then
self.assertEqual(parser.config.to_dict(), config)
self.assertIsNone(parser.intent_classifier)
self.assertDictEqual(dict(), parser.slot_fillers)
def test_should_be_deserializable(self):
# When
class TestIntentClassifierConfig(ProcessingUnitConfig):
unit_name = "test_intent_classifier"
def to_dict(self):
return {"unit_name": self.unit_name}
@classmethod
def from_dict(cls, obj_dict):
return TestIntentClassifierConfig()
class TestIntentClassifier(IntentClassifier):
unit_name = "test_intent_classifier"
config_type = TestIntentClassifierConfig
def get_intent(self, text, intents_filter):
return None
def fit(self, dataset):
return self
def to_dict(self):
return {
"unit_name": self.unit_name,
}
@classmethod
def from_dict(cls, unit_dict):
conf = cls.config_type()
return TestIntentClassifier(conf)
class TestSlotFillerConfig(ProcessingUnitConfig):
unit_name = "test_slot_filler"
def to_dict(self):
return {"unit_name": self.unit_name}
@classmethod
def from_dict(cls, obj_dict):
return TestSlotFillerConfig()
class TestSlotFiller(SlotFiller):
unit_name = "test_slot_filler"
config_type = TestSlotFillerConfig
def get_slots(self, text):
return []
def fit(self, dataset, intent):
return self
def to_dict(self):
return {
"unit_name": self.unit_name,
}
@classmethod
def from_dict(cls, unit_dict):
conf = cls.config_type()
return TestSlotFiller(conf)
register_processing_unit(TestIntentClassifier)
register_processing_unit(TestSlotFiller)
config = ProbabilisticIntentParserConfig(
intent_classifier_config=TestIntentClassifierConfig(),
slot_filler_config=TestSlotFillerConfig())
parser_dict = {
"unit_name": "probabilistic_intent_parser",
"intent_classifier": {
"unit_name": "test_intent_classifier"
},
"slot_fillers": {
"MakeCoffee": {
"unit_name": "test_slot_filler"
},
"MakeTea": {
"unit_name": "test_slot_filler"
}
},
"config": config.to_dict(),
}
# When
parser = ProbabilisticIntentParser.from_dict(parser_dict)
# Then
self.assertDictEqual(parser.config.to_dict(), config.to_dict())
self.assertIsNotNone(parser.intent_classifier)
self.assertListEqual(sorted(parser.slot_fillers),
["MakeCoffee", "MakeTea"])