def test_rule_conversion3(self):
# Definition of real Vowel and Consonant instances
a = ut.Vowel(ut.Height.open, ut.Backness.front, False, ut.Length.short, "a")
e = ut.Vowel(
ut.Height.close_mid, ut.Backness.front, False, ut.Length.short, "e"
)
i = ut.Vowel(ut.Height.close, ut.Backness.front, False, ut.Length.short, "i")
o = ut.Vowel(ut.Height.close_mid, ut.Backness.back, True, ut.Length.short, "o")
u = ut.Vowel(ut.Height.close, ut.Backness.back, True, ut.Length.short, "u")
b = ut.Consonant(ut.Place.bilabial, ut.Manner.stop, True, "b", False)
d = ut.Consonant(ut.Place.alveolar, ut.Manner.stop, True, "d", False)
f = ut.Consonant(ut.Place.labio_dental, ut.Manner.fricative, False, "f", False)
g = ut.Consonant(ut.Place.velar, ut.Manner.stop, True, "g", False)
k = ut.Consonant(ut.Place.velar, ut.Manner.stop, False, "k", False)
p = ut.Consonant(ut.Place.bilabial, ut.Manner.stop, False, "p", False)
s = ut.Consonant(ut.Place.alveolar, ut.Manner.fricative, False, "s", False)
t = ut.Consonant(ut.Place.alveolar, ut.Manner.stop, False, "t", False)
v = ut.Consonant(ut.Place.labio_dental, ut.Manner.fricative, True, "v", False)
th = ut.Consonant(ut.Place.dental, ut.Manner.fricative, False, "θ", False)
dh = ut.Consonant(ut.Place.dental, ut.Manner.fricative, True, "ð", False)
# examples of phonology and ipa_class
phonology = [a, e, i, o, u, b, d, f, g, k, p, s, t, v, th, dh]
ru3 = ut.Rule(
ut.AbstractPosition(
ut.Rank.last, [ut.AbstractConsonant(manner=ut.Manner.stop)], None
),
dh,
th,
)
self.assertEqual(ru3.ipa_to_regular_expression(phonology), "(?<=[bdgkpt])ð$")
def test_utils(self):
# definition of a Vowel
a = ut.Vowel(ut.Height.open, ut.Backness.front, False, ut.Length.short, "a")
self.assertListEqual(
[a.ipar, a.backness, a.height, a.length, a.rounded],
["a", ut.Backness.front, ut.Height.open, ut.Length.short, False],
)
def test_rule_conversion4(self):
# Definition of real Vowel and Consonant instances
a = ut.Vowel(ut.Height.open, ut.Backness.front, False, ut.Length.short, "a")
e = ut.Vowel(
ut.Height.close_mid, ut.Backness.front, False, ut.Length.short, "e"
)
i = ut.Vowel(ut.Height.close, ut.Backness.front, False, ut.Length.short, "i")
o = ut.Vowel(ut.Height.close_mid, ut.Backness.back, True, ut.Length.short, "o")
u = ut.Vowel(ut.Height.close, ut.Backness.back, True, ut.Length.short, "u")
b = ut.Consonant(ut.Place.bilabial, ut.Manner.stop, True, "b", False)
d = ut.Consonant(ut.Place.alveolar, ut.Manner.stop, True, "d", False)
f = ut.Consonant(ut.Place.labio_dental, ut.Manner.fricative, False, "f", False)
g = ut.Consonant(ut.Place.velar, ut.Manner.stop, True, "g", False)
k = ut.Consonant(ut.Place.velar, ut.Manner.stop, False, "k", False)
p = ut.Consonant(ut.Place.bilabial, ut.Manner.stop, False, "p", False)
s = ut.Consonant(ut.Place.alveolar, ut.Manner.fricative, False, "s", False)
t = ut.Consonant(ut.Place.alveolar, ut.Manner.stop, False, "t", False)
v = ut.Consonant(ut.Place.labio_dental, ut.Manner.fricative, True, "v", False)
th = ut.Consonant(ut.Place.dental, ut.Manner.fricative, False, "θ", False)
dh = ut.Consonant(ut.Place.dental, ut.Manner.fricative, True, "ð", False)
# examples of phonology and ipa_class
phonology = [a, e, i, o, u, b, d, f, g, k, p, s, t, v, th, dh]
ipa_class = {
"a": a,
"e": e,
"i": i,
"o": o,
"u": u,
"b": b,
"d": d,
"f": f,
"g": g,
"k": k,
"p": p,
"s": s,
"t": t,
"v": v,
"þ": th,
"ð": dh,
}
# from regular expression to Rule
example = r"(?<=[aeiou])f(?=[aeiou])"
ru4 = ut.Rule.from_regular_expression(example, "v", ipa_class)
self.assertEqual(ru4.ipa_to_regular_expression(phonology), example)
def test_rule3_utils(self):
s = ut.Consonant(ut.Place.alveolar, ut.Manner.fricative, False, "s", False)
a = ut.Vowel(ut.Height.open, ut.Backness.front, False, ut.Length.short, "a")
th = ut.Consonant(ut.Place.dental, ut.Manner.fricative, False, "θ", False)
dh = ut.Consonant(ut.Place.dental, ut.Manner.fricative, True, "ð", False)
rule = ut.Rule(
ut.AbstractPosition(
ut.Rank.inner, [ut.AbstractVowel()], [ut.AbstractVowel()]
),
th,
dh,
)
pos = ut.Position(ut.Rank.inner, a, s)
self.assertEqual(rule.can_apply(pos), False)
def test_rule5_utils(self):
k = ut.Consonant(ut.Place.velar, ut.Manner.stop, False, "k", False)
a = ut.Vowel(ut.Height.open, ut.Backness.front, False, ut.Length.short, "a")
th = ut.Consonant(ut.Place.dental, ut.Manner.fricative, False, "θ", False)
dh = ut.Consonant(ut.Place.dental, ut.Manner.fricative, True, "ð", False)
rule = ut.Rule(
ut.AbstractPosition(
ut.Rank.inner,
[ut.AbstractConsonant(voiced=True)],
[ut.AbstractConsonant(voiced=True)],
),
th,
dh,
)
pos = ut.Position(ut.Rank.inner, k, a)
self.assertEqual(rule.can_apply(pos), False)
def test_vowel_lengthening_utils(self):
# how lengthen works
a = ut.Vowel(ut.Height.open, ut.Backness.front, False, ut.Length.short, "a")
aa = a.lengthen()
self.assertEqual(aa.ipar, "aː")