def test_blank_message_is_valid(self):
        empty = self.valid_data.copy()
        empty.update({'content': ''})
        null = self.valid_data.copy()
        null.update({'content': None})
        no_content = self.valid_data.copy()
        del no_content['content']
        for blank_msg in [empty, null, no_content]:
            self.client.post(reverse('vumi-backend'), json.dumps(blank_msg),
                             content_type='text/json')
            message = self.inbound[0]
            self.assertEqual('', message.text)
A "Performance Counter" is a stable, known, common counter,
dataset/ETHPy150Open rapidsms/rapidsms/rapidsms/backends/vumi/tests.py/VumiViewTest.test_blank_message_is_valid--crossover with--dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/site-packages/win32/lib/win32pdhquery.py/Query.addperfcounter