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test.py
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test.py
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import unittest
from iso639 import Lang, iter_langs
from iso639.exceptions import DeprecatedLanguageValue, InvalidLanguageValue
class TestLang(unittest.TestCase):
"""Test the Lang class."""
lang_vals = {tg: set(d.keys()) for tg, d in Lang._data.items()}
lang_vals["changed_to"] = {
d["change_to"] for d in Lang._deprecated.values() if d["change_to"]
}
lang_vals["deprecated"] = set(Lang._deprecated.keys())
lang_vals["macro"] = set(Lang._macro["macro"].keys())
lang_vals["individual"] = set(Lang._macro["individual"].keys())
def test_pt1(self):
lg = Lang("fr")
self.assertEqual(lg.pt1, "fr")
self.assertEqual(lg.pt2b, "fre")
self.assertEqual(lg.pt2t, "fra")
self.assertEqual(lg.pt3, "fra")
self.assertEqual(lg.pt5, "")
self.assertEqual(lg.name, "French")
def test_upper_pt1(self):
with self.assertRaises(InvalidLanguageValue):
Lang("FR")
def test_capitalized_pt1(self):
with self.assertRaises(InvalidLanguageValue):
Lang("Fr")
def test_pt2b(self):
lg = Lang("fre")
self.assertEqual(lg.pt1, "fr")
self.assertEqual(lg.pt2b, "fre")
self.assertEqual(lg.pt2t, "fra")
self.assertEqual(lg.pt3, "fra")
self.assertEqual(lg.pt5, "")
self.assertEqual(lg.name, "French")
def test_pt2t(self):
lg = Lang("deu")
self.assertEqual(lg.pt1, "de")
self.assertEqual(lg.pt2b, "ger")
self.assertEqual(lg.pt2t, "deu")
self.assertEqual(lg.pt3, "deu")
self.assertEqual(lg.pt5, "")
self.assertEqual(lg.name, "German")
def test_pt5(self):
lg = Lang("ber")
self.assertEqual(lg.pt1, "")
self.assertEqual(lg.pt2b, "ber")
self.assertEqual(lg.pt2t, "")
self.assertEqual(lg.pt3, "")
self.assertEqual(lg.pt5, "ber")
self.assertEqual(lg.name, "Berber languages")
def test_pt3_with_other_pts(self):
lg = Lang("eng")
self.assertEqual(lg.pt1, "en")
self.assertEqual(lg.pt2b, "eng")
self.assertEqual(lg.pt2t, "eng")
self.assertEqual(lg.pt3, "eng")
self.assertEqual(lg.pt5, "")
self.assertEqual(lg.name, "English")
def test_pt3_without_other_pts(self):
lg = Lang("cmn")
self.assertEqual(lg.pt1, "")
self.assertEqual(lg.pt2b, "")
self.assertEqual(lg.pt2t, "")
self.assertEqual(lg.pt3, "cmn")
self.assertEqual(lg.pt5, "")
self.assertEqual(lg.name, "Mandarin Chinese")
def test_upper_pt3(self):
with self.assertRaises(InvalidLanguageValue):
Lang("ENG")
def test_capitalized_pt3(self):
with self.assertRaises(InvalidLanguageValue):
Lang("Eng")
def test_name(self):
lg = Lang("German")
self.assertEqual(lg.pt1, "de")
self.assertEqual(lg.pt2b, "ger")
self.assertEqual(lg.pt2t, "deu")
self.assertEqual(lg.pt3, "deu")
self.assertEqual(lg.pt5, "")
self.assertEqual(lg.name, "German")
def test_lower_name(self):
with self.assertRaises(InvalidLanguageValue):
Lang("german")
def test_upper_name(self):
with self.assertRaises(InvalidLanguageValue):
Lang("GERMAN")
def test_asdict(self):
lg = Lang("fra")
self.assertEqual(
lg.asdict(),
{
"name": "French",
"pt1": "fr",
"pt2b": "fre",
"pt2t": "fra",
"pt3": "fra",
"pt5": "",
},
)
def test_equal_languages(self):
lg1 = Lang("eng")
lg2 = Lang("en")
self.assertEqual(lg1, lg2)
def test_not_equal_languages(self):
lg1 = Lang("fra")
lg2 = Lang("eng")
self.assertNotEqual(lg1, lg2)
def test_not_equal_languages_string(self):
lg1 = Lang("fra")
lg2 = "fra"
self.assertNotEqual(lg1, lg2)
def test_not_equal_languages_None(self):
lg1 = Lang("fra")
lg2 = None
self.assertNotEqual(lg1, lg2)
def test_lang_of_lang(self):
lg1 = Lang("fra")
lg2 = Lang(lg1)
self.assertEqual(lg1, lg2)
def test_multiple_args(self):
with self.assertRaises(InvalidLanguageValue):
Lang("fra", "fr")
def test_kwarg(self):
lg = Lang(pt1="fr")
self.assertEqual(lg.pt1, "fr")
self.assertEqual(lg.pt2b, "fre")
self.assertEqual(lg.pt2t, "fra")
self.assertEqual(lg.pt3, "fra")
self.assertEqual(lg.pt5, "")
self.assertEqual(lg.name, "French")
def test_multiple_kwargs(self):
lg = Lang(pt1="fr", name="French")
self.assertEqual(lg.pt1, "fr")
self.assertEqual(lg.pt2b, "fre")
self.assertEqual(lg.pt2t, "fra")
self.assertEqual(lg.pt3, "fra")
self.assertEqual(lg.pt5, "")
self.assertEqual(lg.name, "French")
def test_kwarg_wrong_value(self):
with self.assertRaises(InvalidLanguageValue):
Lang(pt1="fra")
def test_kwargs_wrong_second_value(self):
with self.assertRaises(InvalidLanguageValue):
Lang(pt1="fr", pt3="deu")
def test_kwargs_right_empty_second_value(self):
Lang(pt1="fr", pt5="")
def test_kwarg_wrong_key(self):
with self.assertRaises(InvalidLanguageValue):
Lang(foobar="fr")
def test_kwarg_wrong_second_key(self):
with self.assertRaises(InvalidLanguageValue):
Lang(pt1="fr", foobar="fra")
def test_no_arg_no_kwarg(self):
with self.assertRaises(InvalidLanguageValue):
Lang()
def test_none_arg(self):
with self.assertRaises(InvalidLanguageValue):
Lang(None)
def test_none_kwarg(self):
for tag in Lang._tags:
kwargs = {tag: ""}
with self.assertRaises(InvalidLanguageValue):
Lang(**kwargs)
def test_empty_string_arg(self):
with self.assertRaises(InvalidLanguageValue):
Lang("")
def test_empty_string_kwarg(self):
for tag in Lang._tags:
kwargs = {tag: ""}
with self.assertRaises(InvalidLanguageValue):
Lang(**kwargs)
def test_arg_and_kwarg(self):
lg = Lang("fra", pt1="fr")
self.assertEqual(lg.pt1, "fr")
self.assertEqual(lg.pt2b, "fre")
self.assertEqual(lg.pt2t, "fra")
self.assertEqual(lg.pt3, "fra")
self.assertEqual(lg.pt5, "")
self.assertEqual(lg.name, "French")
def test_arg_and_kwarg_nok(self):
with self.assertRaises(InvalidLanguageValue):
Lang("fra", pt1="deu")
def test_repr(self):
lg = Lang("alu")
s = (
"""Lang(name="'Are'are", pt1='', pt2b='', """
"""pt2t='', pt3='alu', pt5='')"""
)
self.assertEqual(s, repr(lg))
def test_immutable(self):
lg = Lang("fra")
with self.assertRaises(AttributeError):
lg.pt1 = "en"
def test_hashable_set_element(self):
lg = Lang("fra")
s = set()
s.add(lg)
self.assertIn(lg, s)
def test_hashable_dict_key(self):
lg = Lang("fra")
d = {}
d.update({lg: "foobar"})
self.assertEqual(d[lg], "foobar")
def test_scope(self):
self.assertEqual(Lang("fra").scope(), "Individual")
self.assertEqual(Lang("zh").scope(), "Macrolanguage")
self.assertEqual(Lang("und").scope(), "Special")
self.assertIsNone(Lang("ber").scope())
def test_type(self):
self.assertEqual(Lang("epo").type(), "Constructed")
self.assertEqual(Lang("djf").type(), "Extinct")
self.assertEqual(Lang("lat").type(), "Historical")
self.assertEqual(Lang("fra").type(), "Living")
self.assertEqual(Lang("und").type(), "Special")
self.assertIsNone(Lang("ber").type())
def test_macro(self):
lg = Lang("cmn")
self.assertEqual(lg.macro().pt3, "zho")
def test_individuals(self):
lg = Lang("fas")
ind_lgs = {x.pt3 for x in lg.individuals()}
self.assertIn("pes", ind_lgs)
def test_deprecated_arg(self):
for pt3 in self.lang_vals["deprecated"]:
with self.assertRaises(DeprecatedLanguageValue):
Lang(pt3)
def test_deprecated_kwarg(self):
for pt3 in self.lang_vals["deprecated"]:
with self.assertRaises(DeprecatedLanguageValue):
Lang(pt3=pt3)
def test_deprecated_with_change_to(self):
for pt in ("name", "pt1", "pt2b", "pt2t", "pt3", "pt5"):
for lv in self.lang_vals[pt]:
try:
Lang(lv)
except DeprecatedLanguageValue as e:
if e.change_to:
Lang(e.change_to)
def test_no_macro_of_macro(self):
for lvs in self.lang_vals.values():
for lv in lvs:
try:
macro = Lang(lv).macro()
except DeprecatedLanguageValue:
continue
else:
if macro is not None:
self.assertIsNone(macro.macro())
def test_no_individual_of_individual(self):
for lvs in self.lang_vals.values():
for lv in lvs:
try:
individuals = Lang(lv).individuals()
except DeprecatedLanguageValue:
continue
else:
for ind in individuals:
self.assertEqual(ind.individuals(), [])
def test_iter_langs(self):
lg1 = next(iter_langs()).name
lgs = [lg.name for lg in iter_langs()]
self.assertEqual(lg1, lgs[0])
self.assertEqual(len(set(lgs)), len(lgs))
if __name__ == "__main__":
unittest.main()