def test_exceptions(self, possessive_words):
for singular, plural in possessive_words:
assert singularize(plural, language='en') == singular
def test_all_words(self, all_words):
for singular, plural in all_words:
assert singularize(plural, language='en') == singular
def test_compound_words(self, compound_words):
for singular, plural in compound_words:
assert singularize(plural, language='en') == singular
def test_only_accents(self):
assert singularize('é') == 'é'
def test_mixed_punctuation_symbol_number(self):
assert singularize('!.:123$%') == '!.:123$%'
def test_only_numbers(self):
assert singularize('123') == '123'
def test_only_symbol(self):
assert singularize('@#$%') == '@#$%'
def test_only_punctuation(self):
assert singularize('??') == '??'
def test_invalid_language(self):
with pytest.raises(NotImplementedError):
singularize('', language='hu')
def test_languages(self):
assert singularize('nights', language='en') == 'night'
assert singularize('nuits', language='fr') == 'nuit'