test_decorators.py 文件源码

def test_python_2_unicode_compatible_decorator(self):
        my_unicode_str = u'Unicode string: \u5b54\u5b50'
        # With the decorator:
        @python_2_unicode_compatible
        class A(object):
            def __str__(self):
                return my_unicode_str
        a = A()
        assert len(str(a)) == 18
        if not utils.PY3:
            assert hasattr(a, '__unicode__')
        self.assertEqual(str(a), my_unicode_str)
        self.assertTrue(isinstance(str(a).encode('utf-8'), bytes))

        # Manual equivalent on Py2 without the decorator:
        if not utils.PY3:
            class B(object):
                def __unicode__(self):
                    return u'Unicode string: \u5b54\u5b50'
                def __str__(self):
                    return unicode(self).encode('utf-8')
            b = B()
            assert str(a) == str(b)