signal.py 文件源码

def test_attachment_executed(self):
        def handler(instance, **kwarg):
            # get post on landing page event
            if instance.target_tracker.key != TRACKER_ATTACHMENT_EXECUTED:
                # ignore other target event
                return

            self.assertEqual(instance.ip, '127.0.0.1')
            self.assertEqual(instance.user_agent, 'Outlook')
            raise SuccessException()

        post_save.connect(handler, sender=TrackerInfos)

        # call tracker
        self.send_campaign()
        attachment = json.loads(mail.outbox[-1].attachments[0][1].decode())
        tracker_url = attachment['tracker_url']

        # test if handler has call
        with self.assertRaises(SuccessException):
            self.client.defaults['HTTP_USER_AGENT'] = 'Outlook'
            self.client.get(tracker_url)

        # clean
        self.assertTrue(post_save.disconnect(handler, sender=TrackerInfos))