Пример #1
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 def test_lower_mixin_abc(self):
     f = UsernameField()
     self.assertEqual('abc', f.to_python('ABC'))
Пример #2
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 def test_lower_mixin_empty(self):
     f = UsernameField()
     self.assertEqual('', f.to_python(''))
Пример #3
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 def test_lower_mixin_none(self):
     f = UsernameField()
     self.assertIsNone(f.to_python(None))