synapse-old/tests/replication/http/test__base.py

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# Copyright 2022 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from http import HTTPStatus
from typing import Tuple
from twisted.web.server import Request
from synapse.api.errors import Codes
from synapse.http.server import JsonResource
from synapse.replication.http import REPLICATION_PREFIX
from synapse.replication.http._base import ReplicationEndpoint
from synapse.server import HomeServer
from synapse.types import JsonDict
from synapse.util.cancellation import cancellable
from tests import unittest
from tests.http.server._base import test_disconnect
class CancellableReplicationEndpoint(ReplicationEndpoint):
NAME = "cancellable_sleep"
PATH_ARGS = ()
CACHE = False
def __init__(self, hs: HomeServer):
super().__init__(hs)
self.clock = hs.get_clock()
@staticmethod
async def _serialize_payload() -> JsonDict:
return {}
@cancellable
async def _handle_request( # type: ignore[override]
self, request: Request
) -> Tuple[int, JsonDict]:
await self.clock.sleep(1.0)
return HTTPStatus.OK, {"result": True}
class UncancellableReplicationEndpoint(ReplicationEndpoint):
NAME = "uncancellable_sleep"
PATH_ARGS = ()
CACHE = False
def __init__(self, hs: HomeServer):
super().__init__(hs)
self.clock = hs.get_clock()
@staticmethod
async def _serialize_payload() -> JsonDict:
return {}
async def _handle_request( # type: ignore[override]
self, request: Request
) -> Tuple[int, JsonDict]:
await self.clock.sleep(1.0)
return HTTPStatus.OK, {"result": True}
class ReplicationEndpointCancellationTestCase(unittest.HomeserverTestCase):
"""Tests for `ReplicationEndpoint` cancellation."""
def create_test_resource(self):
"""Overrides `HomeserverTestCase.create_test_resource`."""
resource = JsonResource(self.hs)
CancellableReplicationEndpoint(self.hs).register(resource)
UncancellableReplicationEndpoint(self.hs).register(resource)
return resource
def test_cancellable_disconnect(self) -> None:
"""Test that handlers with the `@cancellable` flag can be cancelled."""
path = f"{REPLICATION_PREFIX}/{CancellableReplicationEndpoint.NAME}/"
channel = self.make_request("POST", path, await_result=False)
test_disconnect(
self.reactor,
channel,
expect_cancellation=True,
expected_body={"error": "Request cancelled", "errcode": Codes.UNKNOWN},
)
def test_uncancellable_disconnect(self) -> None:
"""Test that handlers without the `@cancellable` flag cannot be cancelled."""
path = f"{REPLICATION_PREFIX}/{UncancellableReplicationEndpoint.NAME}/"
channel = self.make_request("POST", path, await_result=False)
test_disconnect(
self.reactor,
channel,
expect_cancellation=False,
expected_body={"result": True},
)