107 lines
3.5 KiB
Python
107 lines
3.5 KiB
Python
# Copyright 2022 The Matrix.org Foundation 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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from http import HTTPStatus
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from typing import Tuple
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from twisted.web.server import Request
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from synapse.api.errors import Codes
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from synapse.http.server import JsonResource
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from synapse.replication.http import REPLICATION_PREFIX
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from synapse.replication.http._base import ReplicationEndpoint
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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.cancellation import cancellable
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from tests import unittest
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from tests.http.server._base import test_disconnect
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class CancellableReplicationEndpoint(ReplicationEndpoint):
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NAME = "cancellable_sleep"
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PATH_ARGS = ()
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CACHE = False
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def __init__(self, hs: HomeServer):
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super().__init__(hs)
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self.clock = hs.get_clock()
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@staticmethod
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async def _serialize_payload() -> JsonDict:
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return {}
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@cancellable
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async def _handle_request( # type: ignore[override]
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self, request: Request, content: JsonDict
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) -> Tuple[int, JsonDict]:
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await self.clock.sleep(1.0)
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return HTTPStatus.OK, {"result": True}
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class UncancellableReplicationEndpoint(ReplicationEndpoint):
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NAME = "uncancellable_sleep"
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PATH_ARGS = ()
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CACHE = False
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WAIT_FOR_STREAMS = False
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def __init__(self, hs: HomeServer):
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super().__init__(hs)
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self.clock = hs.get_clock()
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@staticmethod
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async def _serialize_payload() -> JsonDict:
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return {}
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async def _handle_request( # type: ignore[override]
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self, request: Request, content: JsonDict
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) -> Tuple[int, JsonDict]:
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await self.clock.sleep(1.0)
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return HTTPStatus.OK, {"result": True}
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class ReplicationEndpointCancellationTestCase(unittest.HomeserverTestCase):
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"""Tests for `ReplicationEndpoint` cancellation."""
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def create_test_resource(self):
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"""Overrides `HomeserverTestCase.create_test_resource`."""
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resource = JsonResource(self.hs)
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CancellableReplicationEndpoint(self.hs).register(resource)
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UncancellableReplicationEndpoint(self.hs).register(resource)
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return resource
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def test_cancellable_disconnect(self) -> None:
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"""Test that handlers with the `@cancellable` flag can be cancelled."""
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path = f"{REPLICATION_PREFIX}/{CancellableReplicationEndpoint.NAME}/"
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channel = self.make_request("POST", path, await_result=False, content={})
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test_disconnect(
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self.reactor,
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channel,
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expect_cancellation=True,
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expected_body={"error": "Request cancelled", "errcode": Codes.UNKNOWN},
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)
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def test_uncancellable_disconnect(self) -> None:
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"""Test that handlers without the `@cancellable` flag cannot be cancelled."""
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path = f"{REPLICATION_PREFIX}/{UncancellableReplicationEndpoint.NAME}/"
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channel = self.make_request("POST", path, await_result=False, content={})
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test_disconnect(
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self.reactor,
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channel,
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expect_cancellation=False,
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expected_body={"result": True},
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)
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