test_crypto.py 文件源码

def test_invalid_chain_no_root(self):
        """
        :py:obj:`verify_certificate` raises error when a root certificate is missing
        from the chain.
        """
        store = X509Store()
        store.add_cert(self.intermediate_cert)
        store_ctx = X509StoreContext(store, self.intermediate_server_cert)
        e = self.assertRaises(X509StoreContextError, store_ctx.verify_certificate)
        self.assertEqual(e.args[0][2], 'unable to get issuer certificate')
        self.assertEqual(e.certificate.get_subject().CN, 'intermediate')