diff options
Diffstat (limited to '')
| -rw-r--r-- | tests/rest/client/v2_alpha/test_sync.py | 50 | ||||
| -rw-r--r-- | tests/server.py | 8 |
2 files changed, 53 insertions, 5 deletions
diff --git a/tests/rest/client/v2_alpha/test_sync.py b/tests/rest/client/v2_alpha/test_sync.py index b52f78ba69..012910f136 100644 --- a/tests/rest/client/v2_alpha/test_sync.py +++ b/tests/rest/client/v2_alpha/test_sync.py @@ -558,3 +558,53 @@ class UnreadMessagesTestCase(unittest.HomeserverTestCase): # Store the next batch for the next request. self.next_batch = channel.json_body["next_batch"] + + +class SyncCacheTestCase(unittest.HomeserverTestCase): + servlets = [ + synapse.rest.admin.register_servlets, + login.register_servlets, + sync.register_servlets, + ] + + def test_noop_sync_does_not_tightloop(self): + """If the sync times out, we shouldn't cache the result + + Essentially a regression test for #8518. + """ + self.user_id = self.register_user("kermit", "monkey") + self.tok = self.login("kermit", "monkey") + + # we should immediately get an initial sync response + channel = self.make_request("GET", "/sync", access_token=self.tok) + self.assertEqual(channel.code, 200, channel.json_body) + + # now, make an incremental sync request, with a timeout + next_batch = channel.json_body["next_batch"] + channel = self.make_request( + "GET", + f"/sync?since={next_batch}&timeout=10000", + access_token=self.tok, + await_result=False, + ) + # that should block for 10 seconds + with self.assertRaises(TimedOutException): + channel.await_result(timeout_ms=9900) + channel.await_result(timeout_ms=200) + self.assertEqual(channel.code, 200, channel.json_body) + + # we expect the next_batch in the result to be the same as before + self.assertEqual(channel.json_body["next_batch"], next_batch) + + # another incremental sync should also block. + channel = self.make_request( + "GET", + f"/sync?since={next_batch}&timeout=10000", + access_token=self.tok, + await_result=False, + ) + # that should block for 10 seconds + with self.assertRaises(TimedOutException): + channel.await_result(timeout_ms=9900) + channel.await_result(timeout_ms=200) + self.assertEqual(channel.code, 200, channel.json_body) diff --git a/tests/server.py b/tests/server.py index 9df8cda24f..f32d8dc375 100644 --- a/tests/server.py +++ b/tests/server.py @@ -138,21 +138,19 @@ class FakeChannel: def transport(self): return self - def await_result(self, timeout: int = 100) -> None: + def await_result(self, timeout_ms: int = 1000) -> None: """ Wait until the request is finished. """ + end_time = self._reactor.seconds() + timeout_ms / 1000.0 self._reactor.run() - x = 0 while not self.is_finished(): # If there's a producer, tell it to resume producing so we get content if self._producer: self._producer.resumeProducing() - x += 1 - - if x > timeout: + if self._reactor.seconds() > end_time: raise TimedOutException("Timed out waiting for request to finish.") self._reactor.advance(0.1) |