def test_normalised_form (self):
feature1 = BaseFeature(self.bfm, 'anterior')
character1 = DiacriticCharacter(self.bfm, 'a')
character1.set_feature_value(feature1, HAS_FEATURE)
self.assertEqual(character1.normalised_form, NormalisedForm(
'{0}{1}'.format(BNFM, HAS_FEATURE)))
# Adding a feature changes the normalised form.
feature2 = BaseFeature(self.bfm, 'dental')
character1.set_feature_value(feature2, INAPPLICABLE_FEATURE)
self.assertEqual(character1.normalised_form, NormalisedForm(
'{0}{1}{2}'.format(BNFM, HAS_FEATURE, INAPPLICABLE_FEATURE)))
# The order of the normalised form feature values is
# alphabetical by feature name.
feature3 = BaseFeature(self.bfm, 'consonantal')
character1.set_feature_value(feature3, NOT_HAS_FEATURE)
self.assertEqual(character1.normalised_form, NormalisedForm(
'{0}{1}{2}{3}'.format(BNFM, HAS_FEATURE, NOT_HAS_FEATURE,
INAPPLICABLE_FEATURE)))
# Renaming a feature may change the normalised form.
feature1.name = 'vocalic'
self.assertEqual(character1.normalised_form, NormalisedForm(
'{0}{1}{2}{3}'.format(BNFM, NOT_HAS_FEATURE,
INAPPLICABLE_FEATURE, HAS_FEATURE)))
# Changing a feature value changes the normalised form.
character1.set_feature_value(feature1, NOT_HAS_FEATURE)
self.assertEqual(character1.normalised_form, NormalisedForm(
'{0}{1}{2}{1}'.format(BNFM, NOT_HAS_FEATURE,
INAPPLICABLE_FEATURE)))
# Removing a feature value changes the normalised form.
feature2.delete()
self.assertEqual(character1.normalised_form, NormalisedForm(
'{0}{1}{1}'.format(BNFM, NOT_HAS_FEATURE)))
def test_name(self):
feature = BaseFeature(self.bfm, 'voiced')
self.assertEqual(feature.name, 'voiced')
# Feature names can be set.
feature.name = 'vocalic'
self.assertEqual(feature.name, 'vocalic')
# Feature names must be unique across all features in a binary
# features model.
feature2 = SuprasegmentalFeature(self.bfm, 'consonantal')
self.assertRaises(InvalidFeatureError, setattr, feature2, 'name',
'vocalic')
# Setting the name to the existing name should not raise an error.
feature2.name = 'consonantal'
self.assertEqual(feature2.name, 'consonantal')
def test_name (self):
feature = BaseFeature(self.bfm, 'voiced')
self.assertEqual(feature.name, 'voiced')
# Feature names can be set.
feature.name = 'vocalic'
self.assertEqual(feature.name, 'vocalic')
# Feature names must be unique across all features in a binary
# features model.
feature2 = SuprasegmentalFeature(self.bfm, 'consonantal')
self.assertRaises(InvalidFeatureError, setattr, feature2, 'name',
'vocalic')
# Setting the name to the existing name should not raise an error.
feature2.name = 'consonantal'
self.assertEqual(feature2.name, 'consonantal')
def test_normalised_form(self):
feature1 = BaseFeature(self.bfm, 'anterior')
character1 = DiacriticCharacter(self.bfm, 'a')
character1.set_feature_value(feature1, HAS_FEATURE)
self.assertEqual(character1.normalised_form,
NormalisedForm('{0}{1}'.format(BNFM, HAS_FEATURE)))
# Adding a feature changes the normalised form.
feature2 = BaseFeature(self.bfm, 'dental')
character1.set_feature_value(feature2, INAPPLICABLE_FEATURE)
self.assertEqual(
character1.normalised_form,
NormalisedForm('{0}{1}{2}'.format(BNFM, HAS_FEATURE,
INAPPLICABLE_FEATURE)))
# The order of the normalised form feature values is
# alphabetical by feature name.
feature3 = BaseFeature(self.bfm, 'consonantal')
character1.set_feature_value(feature3, NOT_HAS_FEATURE)
self.assertEqual(
character1.normalised_form,
NormalisedForm('{0}{1}{2}{3}'.format(BNFM, HAS_FEATURE,
NOT_HAS_FEATURE,
INAPPLICABLE_FEATURE)))
# Renaming a feature may change the normalised form.
feature1.name = 'vocalic'
self.assertEqual(
character1.normalised_form,
NormalisedForm('{0}{1}{2}{3}'.format(BNFM, NOT_HAS_FEATURE,
INAPPLICABLE_FEATURE,
HAS_FEATURE)))
# Changing a feature value changes the normalised form.
character1.set_feature_value(feature1, NOT_HAS_FEATURE)
self.assertEqual(
character1.normalised_form,
NormalisedForm('{0}{1}{2}{1}'.format(BNFM, NOT_HAS_FEATURE,
INAPPLICABLE_FEATURE)))
# Removing a feature value changes the normalised form.
feature2.delete()
self.assertEqual(
character1.normalised_form,
NormalisedForm('{0}{1}{1}'.format(BNFM, NOT_HAS_FEATURE)))
def test_normalised_form (self):
feature1 = BaseFeature(self.bfm, 'anterior')
character = BaseCharacter(self.bfm, 'n')
character.set_feature_value(feature1, HAS_FEATURE)
self.assertEqual(character.normalised_form, NormalisedForm(
'{0}{1}'.format(BNFM, HAS_FEATURE)))
# Adding a feature changes the normalised form.
feature2 = BaseFeature(self.bfm, 'dental')
# For a BaseCharacter, all features must have a value.
self.assertRaises(InvalidCharacterError, getattr, character,
'normalised_form')
character.set_feature_value(feature2, NOT_HAS_FEATURE)
self.assertEqual(character.normalised_form, NormalisedForm(
'{0}{1}{2}'.format(BNFM, HAS_FEATURE, NOT_HAS_FEATURE)))
# The order of the normalised form feature values is
# alphabetical by feature name.
feature3 = BaseFeature(self.bfm, 'consonantal')
character.set_feature_value(feature3, HAS_FEATURE)
self.assertEqual(character.normalised_form, NormalisedForm(
'{0}{1}{1}{2}'.format(BNFM, HAS_FEATURE, NOT_HAS_FEATURE)))
# Renaming a feature may change the normalised form.
feature3.name = 'vocalic'
self.assertEqual(character.normalised_form, NormalisedForm(
'{0}{1}{2}{1}'.format(BNFM, HAS_FEATURE, NOT_HAS_FEATURE)))
# Changing a feature value changes the normalised form.
character.set_feature_value(feature1, NOT_HAS_FEATURE)
self.assertEqual(character.normalised_form, NormalisedForm(
'{0}{2}{2}{1}'.format(BNFM, HAS_FEATURE, NOT_HAS_FEATURE)))
# Removing a feature value changes the normalised form.
feature3.delete()
self.assertEqual(character.normalised_form, NormalisedForm(
'{0}{1}{1}'.format(BNFM, NOT_HAS_FEATURE)))
# Adding a feature of a different type does not change the
# normalised form.
feature4 = SuprasegmentalFeature(self.bfm, 'syllabic')
self.assertEqual(character.normalised_form, NormalisedForm(
'{0}{1}{1}'.format(BNFM, NOT_HAS_FEATURE)))