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![Sean Quah](/assets/img/avatar_default.png)
When configuring the return values of mocks, prefer awaitables from `make_awaitable` over `defer.succeed`. `Deferred`s are only awaitable once, so it is inappropriate for a mock to return the same `Deferred` multiple times. Also update `run_in_background` to support functions that return arbitrary awaitables. Signed-off-by: Sean Quah <seanq@element.io>
150 lines
5.2 KiB
Python
150 lines
5.2 KiB
Python
# Copyright 2022 Matrix.org Federation C.I.C
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import json
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from unittest import mock
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import twisted.web.client
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from twisted.internet import defer
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from twisted.internet.protocol import Protocol
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from twisted.python.failure import Failure
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.api.room_versions import RoomVersions
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from synapse.server import HomeServer
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from synapse.types import JsonDict
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from synapse.util import Clock
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from tests.unittest import FederatingHomeserverTestCase
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class FederationClientTest(FederatingHomeserverTestCase):
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def prepare(self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer):
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super().prepare(reactor, clock, homeserver)
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# mock out the Agent used by the federation client, which is easier than
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# catching the HTTPS connection and do the TLS stuff.
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self._mock_agent = mock.create_autospec(twisted.web.client.Agent, spec_set=True)
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homeserver.get_federation_http_client().agent = self._mock_agent
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def test_get_room_state(self):
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creator = f"@creator:{self.OTHER_SERVER_NAME}"
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test_room_id = "!room_id"
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# mock up some events to use in the response.
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# In real life, these would have things in `prev_events` and `auth_events`, but that's
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# a bit annoying to mock up, and the code under test doesn't care, so we don't bother.
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create_event_dict = self.add_hashes_and_signatures(
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{
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"room_id": test_room_id,
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"type": "m.room.create",
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"state_key": "",
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"sender": creator,
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"content": {"creator": creator},
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"prev_events": [],
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"auth_events": [],
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"origin_server_ts": 500,
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}
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)
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member_event_dict = self.add_hashes_and_signatures(
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{
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"room_id": test_room_id,
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"type": "m.room.member",
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"sender": creator,
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"state_key": creator,
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"content": {"membership": "join"},
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"prev_events": [],
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"auth_events": [],
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"origin_server_ts": 600,
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}
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)
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pl_event_dict = self.add_hashes_and_signatures(
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{
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"room_id": test_room_id,
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"type": "m.room.power_levels",
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"sender": creator,
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"state_key": "",
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"content": {},
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"prev_events": [],
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"auth_events": [],
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"origin_server_ts": 700,
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}
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)
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# mock up the response, and have the agent return it
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self._mock_agent.request.side_effect = lambda *args, **kwargs: defer.succeed(
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_mock_response(
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{
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"pdus": [
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create_event_dict,
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member_event_dict,
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pl_event_dict,
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],
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"auth_chain": [
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create_event_dict,
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member_event_dict,
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],
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}
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)
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)
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# now fire off the request
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state_resp, auth_resp = self.get_success(
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self.hs.get_federation_client().get_room_state(
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"yet_another_server",
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test_room_id,
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"event_id",
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RoomVersions.V9,
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)
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)
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# check the right call got made to the agent
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self._mock_agent.request.assert_called_once_with(
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b"GET",
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b"matrix://yet_another_server/_matrix/federation/v1/state/%21room_id?event_id=event_id",
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headers=mock.ANY,
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bodyProducer=None,
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)
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# ... and that the response is correct.
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# the auth_resp should be empty because all the events are also in state
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self.assertEqual(auth_resp, [])
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# all of the events should be returned in state_resp, though not necessarily
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# in the same order. We just check the type on the assumption that if the type
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# is right, so is the rest of the event.
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self.assertCountEqual(
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[e.type for e in state_resp],
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["m.room.create", "m.room.member", "m.room.power_levels"],
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)
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def _mock_response(resp: JsonDict):
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body = json.dumps(resp).encode("utf-8")
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def deliver_body(p: Protocol):
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p.dataReceived(body)
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p.connectionLost(Failure(twisted.web.client.ResponseDone()))
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response = mock.Mock(
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code=200,
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phrase=b"OK",
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headers=twisted.web.client.Headers({"content-Type": ["application/json"]}),
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length=len(body),
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deliverBody=deliver_body,
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)
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mock.seal(response)
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return response
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