def test_object_caching(self):
# Creating a Feature with the same name as an existing
# Feature must return the existing Feature, if both are
# associated with the same BinaryFeaturesModel.
feature1 = BaseFeature(self.bfm, 'voiced')
feature2 = BaseFeature(self.bfm, 'voiced')
self.assertEqual(feature1, feature2)
feature3 = BaseFeature(self.bfm, 'consonantal')
self.assertNotEqual(feature1, feature3)
bfm2 = BinaryFeaturesModel()
feature4 = BaseFeature(bfm2, 'voiced')
self.assertNotEqual(feature1, feature4)
# It is an error to create a Feature with the same IPA form
# but of a different type (subclass).
self.assertRaises(InvalidFeatureError, SuprasegmentalFeature, self.bfm,
'voiced')
# Initialisation of a Feature should happen only once.
character1 = BaseCharacter(self.bfm, 'a')
character1.set_feature_value(feature1, HAS_FEATURE)
self.assertEqual(feature1.get_value_characters(HAS_FEATURE),
set([character1]))
feature5 = BaseFeature(self.bfm, 'voiced')
self.assertEqual(feature1.get_value_characters(HAS_FEATURE),
set([character1]))
feature6 = SuprasegmentalFeature(self.bfm, 'syllabic')
character2 = SuprasegmentalCharacter(self.bfm, 'b')
character2.set_feature_value(feature6, HAS_FEATURE)
self.assertEqual(feature6.get_value_characters(HAS_FEATURE),
set([character2]))
feature7 = SuprasegmentalFeature(self.bfm, 'syllabic')
self.assertEqual(feature6.get_value_characters(HAS_FEATURE),
set([character2]))
def test_object_caching (self):
# Creating a Feature with the same name as an existing
# Feature must return the existing Feature, if both are
# associated with the same BinaryFeaturesModel.
feature1 = BaseFeature(self.bfm, 'voiced')
feature2 = BaseFeature(self.bfm, 'voiced')
self.assertEqual(feature1, feature2)
feature3 = BaseFeature(self.bfm, 'consonantal')
self.assertNotEqual(feature1, feature3)
bfm2 = BinaryFeaturesModel()
feature4 = BaseFeature(bfm2, 'voiced')
self.assertNotEqual(feature1, feature4)
# It is an error to create a Feature with the same IPA form
# but of a different type (subclass).
self.assertRaises(InvalidFeatureError, SuprasegmentalFeature, self.bfm,
'voiced')
# Initialisation of a Feature should happen only once.
character1 = BaseCharacter(self.bfm, 'a')
character1.set_feature_value(feature1, HAS_FEATURE)
self.assertEqual(feature1.get_value_characters(HAS_FEATURE),
set([character1]))
feature5 = BaseFeature(self.bfm, 'voiced')
self.assertEqual(feature1.get_value_characters(HAS_FEATURE),
set([character1]))
feature6 = SuprasegmentalFeature(self.bfm, 'syllabic')
character2 = SuprasegmentalCharacter(self.bfm, 'b')
character2.set_feature_value(feature6, HAS_FEATURE)
self.assertEqual(feature6.get_value_characters(HAS_FEATURE),
set([character2]))
feature7 = SuprasegmentalFeature(self.bfm, 'syllabic')
self.assertEqual(feature6.get_value_characters(HAS_FEATURE),
set([character2]))
def test_value_characters(self):
feature = SuprasegmentalFeature(self.bfm, 'voiced')
self.assertEqual(feature.get_value_characters(HAS_FEATURE), set())
self.assertEqual(feature.get_value_characters(NOT_HAS_FEATURE), set())
character = SuprasegmentalCharacter(self.bfm, 'a')
character.set_feature_value(feature, HAS_FEATURE)
self.assertEqual(feature.get_value_characters(HAS_FEATURE),
set([character]))
self.assertEqual(feature.get_value_characters(NOT_HAS_FEATURE), set())
character.set_feature_value(feature, NOT_HAS_FEATURE)
self.assertEqual(feature.get_value_characters(HAS_FEATURE), set())
self.assertEqual(feature.get_value_characters(NOT_HAS_FEATURE),
set([character]))
character.set_feature_value(feature, INAPPLICABLE_FEATURE)
self.assertEqual(feature.get_value_characters(HAS_FEATURE), set())
self.assertEqual(feature.get_value_characters(NOT_HAS_FEATURE), set())
def test_value_characters (self):
feature = SuprasegmentalFeature(self.bfm, 'voiced')
self.assertEqual(feature.get_value_characters(HAS_FEATURE), set())
self.assertEqual(feature.get_value_characters(NOT_HAS_FEATURE), set())
character = SuprasegmentalCharacter(self.bfm, 'a')
character.set_feature_value(feature, HAS_FEATURE)
self.assertEqual(feature.get_value_characters(HAS_FEATURE),
set([character]))
self.assertEqual(feature.get_value_characters(NOT_HAS_FEATURE), set())
character.set_feature_value(feature, NOT_HAS_FEATURE)
self.assertEqual(feature.get_value_characters(HAS_FEATURE), set())
self.assertEqual(feature.get_value_characters(NOT_HAS_FEATURE),
set([character]))
character.set_feature_value(feature, INAPPLICABLE_FEATURE)
self.assertEqual(feature.get_value_characters(HAS_FEATURE), set())
self.assertEqual(feature.get_value_characters(NOT_HAS_FEATURE), set())
def test_model (self):
configuration = '''
[Base Features] anterior low syllabic voiced
[Base Characters] a: b: anterior c: low, voiced
[Diacritic Characters] ̥: +anterior
[Spacing Characters] ʰ: -low, +voiced
[Suprasegmental Features] phrase stressed
[Suprasegmental Characters] |: +phrase ˈ: +stressed, +phrase
'''
model = self.parser.parse(configuration)
# Base features.
self.assertEqual(len(model.base_features), 4)
anterior = BaseFeature(model, 'anterior')
low = BaseFeature(model, 'low')
syllabic = BaseFeature(model, 'syllabic')
voiced = BaseFeature(model, 'voiced')
self.assertEqual(len(model.base_features), 4)
self.assertTrue(anterior in model.base_features)
self.assertTrue(low in model.base_features)
self.assertTrue(syllabic in model.base_features)
self.assertTrue(voiced in model.base_features)
# Base characters.
self.assertEqual(len(model.base_characters), 3)
a = BaseCharacter(model, 'a')
b = BaseCharacter(model, 'b')
c = BaseCharacter(model, 'c')
self.assertEqual(len(model.base_characters), 3)
self.assertTrue(a in model.base_characters)
self.assertTrue(b in model.base_characters)
self.assertTrue(c in model.base_characters)
# Diacritic characters.
self.assertEqual(len(model.diacritic_characters), 1)
ring = DiacriticCharacter(model, '̥')
self.assertEqual(len(model.diacritic_characters), 1)
self.assertTrue(ring in model.diacritic_characters)
# Spacing characters.
self.assertEqual(len(model.spacing_characters), 1)
ʰ = SpacingCharacter(model, 'ʰ')
self.assertEqual(len(model.spacing_characters), 1)
self.assertTrue(ʰ in model.spacing_characters)
# Suprasegmental features.
self.assertEqual(len(model.suprasegmental_features), 2)
phrase = SuprasegmentalFeature(model, 'phrase')
stressed = SuprasegmentalFeature(model, 'stressed')
self.assertEqual(len(model.suprasegmental_features), 2)
self.assertTrue(phrase in model.suprasegmental_features)
self.assertTrue(stressed in model.suprasegmental_features)
# Suprasegmental characters.
self.assertEqual(len(model.suprasegmental_characters), 2)
bar = SuprasegmentalCharacter(model, '|')
ˈ = SuprasegmentalCharacter(model, 'ˈ')
self.assertEqual(len(model.suprasegmental_characters), 2)
self.assertTrue(bar in model.suprasegmental_characters)
self.assertTrue(ˈ in model.suprasegmental_characters)
# Feature values.
anterior_has_feature = anterior.get_value_characters(HAS_FEATURE)
self.assertEqual(len(anterior_has_feature), 2)
self.assertTrue(b in anterior_has_feature)
self.assertTrue(ring in anterior_has_feature)
anterior_not_has_feature = anterior.get_value_characters(
NOT_HAS_FEATURE)
self.assertEqual(len(anterior_not_has_feature), 2)
self.assertTrue(a in anterior_not_has_feature)
self.assertTrue(c in anterior_not_has_feature)
anterior_inapplicable_feature = anterior.get_value_characters(
INAPPLICABLE_FEATURE)
self.assertEqual(len(anterior_inapplicable_feature), 1)
self.assertTrue(ʰ in anterior_inapplicable_feature)
phrase_has_feature = phrase.get_value_characters(HAS_FEATURE)
self.assertEqual(len(phrase_has_feature), 2)
self.assertTrue(bar in phrase_has_feature)
self.assertTrue(ˈ in phrase_has_feature)
phrase_not_has_feature = phrase.get_value_characters(NOT_HAS_FEATURE)
self.assertEqual(len(phrase_not_has_feature), 0)
phrase_inapplicable_feature = phrase.get_value_characters(
INAPPLICABLE_FEATURE)
self.assertEqual(len(phrase_inapplicable_feature), 0)
def test_model(self):
configuration = '''
[Base Features] anterior low syllabic voiced
[Base Characters] a: b: anterior c: low, voiced
[Diacritic Characters] ̥: +anterior
[Spacing Characters] ʰ: -low, +voiced
[Suprasegmental Features] phrase stressed
[Suprasegmental Characters] |: +phrase ˈ: +stressed, +phrase
'''
model = self.parser.parse(configuration)
# Base features.
self.assertEqual(len(model.base_features), 4)
anterior = BaseFeature(model, 'anterior')
low = BaseFeature(model, 'low')
syllabic = BaseFeature(model, 'syllabic')
voiced = BaseFeature(model, 'voiced')
self.assertEqual(len(model.base_features), 4)
self.assertTrue(anterior in model.base_features)
self.assertTrue(low in model.base_features)
self.assertTrue(syllabic in model.base_features)
self.assertTrue(voiced in model.base_features)
# Base characters.
self.assertEqual(len(model.base_characters), 3)
a = BaseCharacter(model, 'a')
b = BaseCharacter(model, 'b')
c = BaseCharacter(model, 'c')
self.assertEqual(len(model.base_characters), 3)
self.assertTrue(a in model.base_characters)
self.assertTrue(b in model.base_characters)
self.assertTrue(c in model.base_characters)
# Diacritic characters.
self.assertEqual(len(model.diacritic_characters), 1)
ring = DiacriticCharacter(model, '̥')
self.assertEqual(len(model.diacritic_characters), 1)
self.assertTrue(ring in model.diacritic_characters)
# Spacing characters.
self.assertEqual(len(model.spacing_characters), 1)
ʰ = SpacingCharacter(model, 'ʰ')
self.assertEqual(len(model.spacing_characters), 1)
self.assertTrue(ʰ in model.spacing_characters)
# Suprasegmental features.
self.assertEqual(len(model.suprasegmental_features), 2)
phrase = SuprasegmentalFeature(model, 'phrase')
stressed = SuprasegmentalFeature(model, 'stressed')
self.assertEqual(len(model.suprasegmental_features), 2)
self.assertTrue(phrase in model.suprasegmental_features)
self.assertTrue(stressed in model.suprasegmental_features)
# Suprasegmental characters.
self.assertEqual(len(model.suprasegmental_characters), 2)
bar = SuprasegmentalCharacter(model, '|')
ˈ = SuprasegmentalCharacter(model, 'ˈ')
self.assertEqual(len(model.suprasegmental_characters), 2)
self.assertTrue(bar in model.suprasegmental_characters)
self.assertTrue(ˈ in model.suprasegmental_characters)
# Feature values.
anterior_has_feature = anterior.get_value_characters(HAS_FEATURE)
self.assertEqual(len(anterior_has_feature), 2)
self.assertTrue(b in anterior_has_feature)
self.assertTrue(ring in anterior_has_feature)
anterior_not_has_feature = anterior.get_value_characters(
NOT_HAS_FEATURE)
self.assertEqual(len(anterior_not_has_feature), 2)
self.assertTrue(a in anterior_not_has_feature)
self.assertTrue(c in anterior_not_has_feature)
anterior_inapplicable_feature = anterior.get_value_characters(
INAPPLICABLE_FEATURE)
self.assertEqual(len(anterior_inapplicable_feature), 1)
self.assertTrue(ʰ in anterior_inapplicable_feature)
phrase_has_feature = phrase.get_value_characters(HAS_FEATURE)
self.assertEqual(len(phrase_has_feature), 2)
self.assertTrue(bar in phrase_has_feature)
self.assertTrue(ˈ in phrase_has_feature)
phrase_not_has_feature = phrase.get_value_characters(NOT_HAS_FEATURE)
self.assertEqual(len(phrase_not_has_feature), 0)
phrase_inapplicable_feature = phrase.get_value_characters(
INAPPLICABLE_FEATURE)
self.assertEqual(len(phrase_inapplicable_feature), 0)
