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test_worker_lock.py 2.57 KiB
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  • # Copyright 2023 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 twisted.internet import defer
    from twisted.test.proto_helpers import MemoryReactor
    
    from synapse.server import HomeServer
    from synapse.util import Clock
    
    from tests import unittest
    from tests.replication._base import BaseMultiWorkerStreamTestCase
    
    
    class WorkerLockTestCase(unittest.HomeserverTestCase):
        def prepare(
            self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer
        ) -> None:
            self.worker_lock_handler = self.hs.get_worker_locks_handler()
    
        def test_wait_for_lock_locally(self) -> None:
            """Test waiting for a lock on a single worker"""
    
            lock1 = self.worker_lock_handler.acquire_lock("name", "key")
            self.get_success(lock1.__aenter__())
    
            lock2 = self.worker_lock_handler.acquire_lock("name", "key")
            d2 = defer.ensureDeferred(lock2.__aenter__())
            self.assertNoResult(d2)
    
            self.get_success(lock1.__aexit__(None, None, None))
    
            self.get_success(d2)
            self.get_success(lock2.__aexit__(None, None, None))
    
    
    class WorkerLockWorkersTestCase(BaseMultiWorkerStreamTestCase):
        def prepare(
            self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer
        ) -> None:
            self.main_worker_lock_handler = self.hs.get_worker_locks_handler()
    
        def test_wait_for_lock_worker(self) -> None:
            """Test waiting for a lock on another worker"""
    
            worker = self.make_worker_hs(
                "synapse.app.generic_worker",
                extra_config={
                    "redis": {"enabled": True},
                },
            )
            worker_lock_handler = worker.get_worker_locks_handler()
    
            lock1 = self.main_worker_lock_handler.acquire_lock("name", "key")
            self.get_success(lock1.__aenter__())
    
            lock2 = worker_lock_handler.acquire_lock("name", "key")
            d2 = defer.ensureDeferred(lock2.__aenter__())
            self.assertNoResult(d2)
    
            self.get_success(lock1.__aexit__(None, None, None))
    
            self.get_success(d2)
            self.get_success(lock2.__aexit__(None, None, None))