def test_retry_failed(self): srv = yield ToyServer.from_test(self) @srv.app.route('/<int:code>') def route(req, code): req.setResponseCode(code) def send(code): return treq.get("%s/%s" % (srv.url, code), persistent=False) self.assertFalse(retry_failed((yield send(200)))) self.assertFalse(retry_failed((yield send(201)))) self.assertFalse(retry_failed((yield send(400)))) self.assertFalse(retry_failed((yield send(404)))) self.assertTrue(retry_failed((yield send(500)))) self.assertTrue(retry_failed((yield send(504)))) self.assertTrue(retry_failed((yield send(599))))