def test_suprasegmental_cluster_creation_illegal(self):
bfm1 = BinaryFeaturesModel()
bfm2 = BinaryFeaturesModel()
character1 = BaseCharacter(bfm1, 'a')
character3 = SuprasegmentalCharacter(bfm1, 'b')
character4 = SuprasegmentalCharacter(bfm2, 'c')
nf1 = NormalisedForm('{}{}'.format(SNFM, HAS_FEATURE))
# A SuprasegmentalCluster must be initialised with at least
# one suprasegmental character or a normalised form.
self.assertRaises(IllegalArgumentError, SuprasegmentalCluster, bfm1)
# A SuprasegmentalCluster must not be initialised with both
# suprasegmental characters and a normalised form.
self.assertRaises(IllegalArgumentError,
SuprasegmentalCluster,
bfm1,
suprasegmental_characters=[character3],
normalised_form=nf1)
# All of the characters in a cluster must be associated with
# the same binary features model.
self.assertRaises(MismatchedModelsError,
SuprasegmentalCluster,
bfm1,
suprasegmental_characters=[character4])
# All of the characters in a cluster must be suprasegmental.
self.assertRaises(MismatchedTypesError,
SuprasegmentalCluster,
bfm1,
suprasegmental_characters=[character1, character3])
def test_base_cluster_creation_illegal(self):
bfm1 = BinaryFeaturesModel()
bfm2 = BinaryFeaturesModel()
character1 = BaseCharacter(bfm1, 'a')
character2 = DiacriticCharacter(bfm2, 'b')
character3 = DiacriticCharacter(bfm1, 'd')
character4 = SpacingCharacter(bfm1, 'e')
nf1 = NormalisedForm('{}{}'.format(BNFM, HAS_FEATURE))
# A BaseCluster must be initialised with either a base
# character or a normalised form.
self.assertRaises(IllegalArgumentError, BaseCluster, bfm1)
# A BaseCluster must not be initialised with both a normalised
# form and any other argument.
self.assertRaises(IllegalArgumentError,
BaseCluster,
bfm1,
base_character=character1,
normalised_form=nf1)
self.assertRaises(IllegalArgumentError,
BaseCluster,
bfm1,
diacritic_characters=[character3],
normalised_form=nf1)
self.assertRaises(IllegalArgumentError,
BaseCluster,
bfm1,
spacing_characters=[character4],
normalised_form=nf1)
# All of the characters in a BaseCluster must be associated with
# the same binary features model.
self.assertRaises(MismatchedModelsError,
BaseCluster,
bfm1,
base_character=character1,
diacritic_characters=[character2])
# A BaseCluster expects specific types of characters in its
# arguments.
self.assertRaises(MismatchedTypesError,
BaseCluster,
bfm1,
base_character=character3)
self.assertRaises(MismatchedTypesError,
BaseCluster,
bfm1,
base_character=character1,
diacritic_characters=[character4])
self.assertRaises(MismatchedTypesError,
BaseCluster,
bfm1,
base_character=character1,
spacing_characters=[character3])
def test_feature_value_illegal(self):
# The Feature must belong to the same BinaryFeaturesModel as
# the Character.
character = SuprasegmentalCharacter(self.bfm, 'a')
bfm2 = BinaryFeaturesModel()
feature1 = SuprasegmentalFeature(bfm2, 'voiced')
self.assertRaises(MismatchedModelsError, character.get_feature_value,
feature1)
self.assertRaises(MismatchedModelsError, character.set_feature_value,
feature1, HAS_FEATURE)
# The Feature's type (subclass) must be appropriate to the
# type (subclass) of the Character.
feature2 = BaseFeature(self.bfm, 'stressed')
self.assertRaises(MismatchedTypesError, character.get_feature_value,
feature2)
self.assertRaises(MismatchedTypesError, character.set_feature_value,
feature2, HAS_FEATURE)
# A SuprasegmentalCharacter must have a feature value for all
# SuprasegmentalFeatures.
feature3 = SuprasegmentalFeature(self.bfm, 'syllabic')
self.assertRaises(InvalidCharacterError, character.get_feature_value,
feature3)
# Only certain values are permitted.
self.assertRaises(IllegalArgumentError, character.set_feature_value,
feature3, True)
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 setUp (self):
self.bfm = BinaryFeaturesModel()
self.anterior = BaseFeature(self.bfm, 'anterior')
self.back = BaseFeature(self.bfm, 'back')
self.coronal = BaseFeature(self.bfm, 'coronal')
self.long = BaseFeature(self.bfm, 'long')
self.voiced = BaseFeature(self.bfm, 'voiced')
def _populate_binary_features_model(self):
self.bfm = BinaryFeaturesModel()
self.anterior = BaseFeature(self.bfm, 'anterior')
self.back = BaseFeature(self.bfm, 'back')
self.coronal = BaseFeature(self.bfm, 'coronal')
self.long = BaseFeature(self.bfm, 'long')
self.voiced = BaseFeature(self.bfm, 'voiced')
self.p = BaseCharacter(self.bfm, 'p')
self.p.set_feature_value(self.anterior, HAS_FEATURE)
self.p.set_feature_value(self.back, NOT_HAS_FEATURE)
self.p.set_feature_value(self.coronal, NOT_HAS_FEATURE)
self.p.set_feature_value(self.long, NOT_HAS_FEATURE)
self.p.set_feature_value(self.voiced, NOT_HAS_FEATURE)
self.b = BaseCharacter(self.bfm, 'b')
self.b.set_feature_value(self.anterior, HAS_FEATURE)
self.b.set_feature_value(self.back, NOT_HAS_FEATURE)
self.b.set_feature_value(self.coronal, NOT_HAS_FEATURE)
self.b.set_feature_value(self.long, NOT_HAS_FEATURE)
self.b.set_feature_value(self.voiced, HAS_FEATURE)
self.t = BaseCharacter(self.bfm, 't')
self.t.set_feature_value(self.anterior, HAS_FEATURE)
self.t.set_feature_value(self.back, NOT_HAS_FEATURE)
self.t.set_feature_value(self.coronal, HAS_FEATURE)
self.t.set_feature_value(self.long, NOT_HAS_FEATURE)
self.t.set_feature_value(self.voiced, NOT_HAS_FEATURE)
self.d = BaseCharacter(self.bfm, 'd')
self.d.set_feature_value(self.anterior, HAS_FEATURE)
self.d.set_feature_value(self.back, NOT_HAS_FEATURE)
self.d.set_feature_value(self.coronal, HAS_FEATURE)
self.d.set_feature_value(self.long, NOT_HAS_FEATURE)
self.d.set_feature_value(self.voiced, HAS_FEATURE)
self.q = BaseCharacter(self.bfm, 'q')
self.q.set_feature_value(self.anterior, NOT_HAS_FEATURE)
self.q.set_feature_value(self.back, HAS_FEATURE)
self.q.set_feature_value(self.coronal, NOT_HAS_FEATURE)
self.q.set_feature_value(self.long, NOT_HAS_FEATURE)
self.q.set_feature_value(self.voiced, NOT_HAS_FEATURE)
self.ring = DiacriticCharacter(self.bfm, '̥')
self.ring.set_feature_value(self.anterior, INAPPLICABLE_FEATURE)
self.ring.set_feature_value(self.back, INAPPLICABLE_FEATURE)
self.ring.set_feature_value(self.coronal, INAPPLICABLE_FEATURE)
self.ring.set_feature_value(self.long, INAPPLICABLE_FEATURE)
self.ring.set_feature_value(self.voiced, NOT_HAS_FEATURE)
self.caret = DiacriticCharacter(self.bfm, '̬')
self.caret.set_feature_value(self.anterior, INAPPLICABLE_FEATURE)
self.caret.set_feature_value(self.back, INAPPLICABLE_FEATURE)
self.caret.set_feature_value(self.coronal, INAPPLICABLE_FEATURE)
self.caret.set_feature_value(self.long, INAPPLICABLE_FEATURE)
self.caret.set_feature_value(self.voiced, HAS_FEATURE)
self.ː = SpacingCharacter(self.bfm, 'ː')
self.ː.set_feature_value(self.anterior, INAPPLICABLE_FEATURE)
self.ː.set_feature_value(self.back, INAPPLICABLE_FEATURE)
self.ː.set_feature_value(self.coronal, INAPPLICABLE_FEATURE)
self.ː.set_feature_value(self.long, HAS_FEATURE)
self.ː.set_feature_value(self.voiced, INAPPLICABLE_FEATURE)
def setUp(self):
self.bfm = BinaryFeaturesModel()
self.phrase = SuprasegmentalFeature(self.bfm, 'phrase')
self.stressed = SuprasegmentalFeature(self.bfm, 'stressed')
self.syllabic = SuprasegmentalFeature(self.bfm, 'syllabic')
self.a = SuprasegmentalCharacter(self.bfm, 'a')
self.a.set_feature_value(self.phrase, HAS_FEATURE)
self.a.set_feature_value(self.stressed, INAPPLICABLE_FEATURE)
self.a.set_feature_value(self.syllabic, NOT_HAS_FEATURE)
self.b = SuprasegmentalCharacter(self.bfm, 'b')
self.b.set_feature_value(self.phrase, INAPPLICABLE_FEATURE)
self.b.set_feature_value(self.stressed, NOT_HAS_FEATURE)
self.b.set_feature_value(self.syllabic, INAPPLICABLE_FEATURE)
def test_normalised_form_cluster_creation(self):
# Test that the correct subclass of Cluster is created from a
# normalised form.
bfm = BinaryFeaturesModel()
feature1 = BaseFeature(bfm, 'anterior')
feature2 = SuprasegmentalFeature(bfm, 'long')
character1 = BaseCharacter(bfm, 'a')
character1.set_feature_value(feature1, HAS_FEATURE)
character2 = SuprasegmentalCharacter(bfm, 'b')
character2.set_feature_value(feature2, HAS_FEATURE)
nf1 = NormalisedForm('{}{}'.format(BNFM, HAS_FEATURE))
nf2 = NormalisedForm('{}{}'.format(SNFM, HAS_FEATURE))
cluster1 = Cluster(bfm, normalised_form=nf1)
cluster2 = Cluster(bfm, normalised_form=nf2)
self.assertTrue(isinstance(cluster1, BaseCluster))
self.assertTrue(isinstance(cluster2, SuprasegmentalCluster))
self.assertRaises(IllegalArgumentError, Cluster, '')
def test_object_caching(self):
# Creating a Character with the same IPA form as an existing
# Character must return the existing Character, if both are
# associated with the same BinaryFeaturesModel.
character1 = BaseCharacter(self.bfm, 'a')
character2 = BaseCharacter(self.bfm, 'a')
self.assertEqual(character1, character2)
character3 = BaseCharacter(self.bfm, 'b')
self.assertNotEqual(character1, character3)
bfm2 = BinaryFeaturesModel()
character4 = BaseCharacter(bfm2, 'a')
self.assertNotEqual(character1, character4)
# It is an error to create a Character with the same IPA form
# but of a different type (subclass).
self.assertRaises(InvalidCharacterError, DiacriticCharacter, self.bfm,
'a')
# Initialising of the Character should happen only once.
feature = BaseFeature(self.bfm, 'voiced')
character1.set_feature_value(feature, HAS_FEATURE)
self.assertEqual(character1.get_feature_value(feature), HAS_FEATURE)
character5 = BaseCharacter(self.bfm, 'a')
self.assertEqual(character1.get_feature_value(feature), HAS_FEATURE)
character6 = DiacriticCharacter(self.bfm, 'c')
character6.set_feature_value(feature, HAS_FEATURE)
self.assertEqual(character6.get_feature_value(feature), HAS_FEATURE)
character7 = DiacriticCharacter(self.bfm, 'c')
self.assertEqual(character6.get_feature_value(feature), HAS_FEATURE)
character8 = SpacingCharacter(self.bfm, 'd')
character8.set_feature_value(feature, HAS_FEATURE)
self.assertEqual(character8.get_feature_value(feature), HAS_FEATURE)
character9 = SpacingCharacter(self.bfm, 'd')
self.assertEqual(character8.get_feature_value(feature), HAS_FEATURE)
character10 = SuprasegmentalCharacter(self.bfm, 'e')
feature2 = SuprasegmentalFeature(self.bfm, 'syllabic')
character10.set_feature_value(feature2, HAS_FEATURE)
self.assertEqual(character10.get_feature_value(feature2), HAS_FEATURE)
character11 = SuprasegmentalCharacter(self.bfm, 'e')
self.assertEqual(character10.get_feature_value(feature2), HAS_FEATURE)
def setUp(self):
self.bfm = BinaryFeaturesModel()
def setUp(self):
super().setUp()
self.binary_features_model = BinaryFeaturesModel()
self.ruleset = Ruleset(self.binary_features_model)
def setUp(self):
self.bfm = BinaryFeaturesModel()
Character._cache = {}