test_asyncore.py 文件源码

def test_issue_8594(self):
        # XXX - this test is supposed to be removed in next major Python
        # version
        d = asyncore.dispatcher(socket.socket())
        # make sure the error message no longer refers to the socket
        # object but the dispatcher instance instead
        self.assertRaisesRegexp(AttributeError, 'dispatcher instance',
                                getattr, d, 'foo')
        # cheap inheritance with the underlying socket is supposed
        # to still work but a DeprecationWarning is expected
        with warnings.catch_warnings(record=True) as w:
            warnings.simplefilter("always")
            family = d.family
            self.assertEqual(family, socket.AF_INET)
            self.assertEqual(len(w), 1)
            self.assertTrue(issubclass(w[0].category, DeprecationWarning))