118 lines
4.2 KiB
Python
118 lines
4.2 KiB
Python
# Copyright 2023 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 unittest.mock import Mock, call
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from synapse.storage.database import LoggingTransaction
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from tests.replication._base import BaseMultiWorkerStreamTestCase
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from tests.unittest import HomeserverTestCase
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class CacheInvalidationTestCase(HomeserverTestCase):
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def setUp(self) -> None:
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super().setUp()
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self.store = self.hs.get_datastores().main
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def test_bulk_invalidation(self) -> None:
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master_invalidate = Mock()
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self.store._get_cached_user_device.invalidate = master_invalidate
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keys_to_invalidate = [
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("a", "b"),
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("c", "d"),
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("e", "f"),
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("g", "h"),
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]
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def test_txn(txn: LoggingTransaction) -> None:
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self.store._invalidate_cache_and_stream_bulk(
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txn,
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# This is an arbitrarily chosen cached store function. It was chosen
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# because it takes more than one argument. We'll use this later to
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# check that the invalidation was actioned over replication.
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cache_func=self.store._get_cached_user_device,
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key_tuples=keys_to_invalidate,
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)
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self.get_success(
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self.store.db_pool.runInteraction(
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"test_invalidate_cache_and_stream_bulk", test_txn
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)
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)
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master_invalidate.assert_has_calls(
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[call(key_list) for key_list in keys_to_invalidate],
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any_order=True,
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)
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class CacheInvalidationOverReplicationTestCase(BaseMultiWorkerStreamTestCase):
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def setUp(self) -> None:
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super().setUp()
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self.store = self.hs.get_datastores().main
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def test_bulk_invalidation_replicates(self) -> None:
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"""Like test_bulk_invalidation, but also checks the invalidations replicate."""
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master_invalidate = Mock()
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worker_invalidate = Mock()
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self.store._get_cached_user_device.invalidate = master_invalidate
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worker = self.make_worker_hs("synapse.app.generic_worker")
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worker_ds = worker.get_datastores().main
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worker_ds._get_cached_user_device.invalidate = worker_invalidate
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keys_to_invalidate = [
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("a", "b"),
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("c", "d"),
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("e", "f"),
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("g", "h"),
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]
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def test_txn(txn: LoggingTransaction) -> None:
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self.store._invalidate_cache_and_stream_bulk(
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txn,
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# This is an arbitrarily chosen cached store function. It was chosen
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# because it takes more than one argument. We'll use this later to
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# check that the invalidation was actioned over replication.
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cache_func=self.store._get_cached_user_device,
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key_tuples=keys_to_invalidate,
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)
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assert self.store._cache_id_gen is not None
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initial_token = self.store._cache_id_gen.get_current_token()
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self.get_success(
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self.database_pool.runInteraction(
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"test_invalidate_cache_and_stream_bulk", test_txn
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)
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)
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second_token = self.store._cache_id_gen.get_current_token()
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self.assertGreaterEqual(second_token, initial_token + len(keys_to_invalidate))
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self.get_success(
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worker.get_replication_data_handler().wait_for_stream_position(
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"master", "caches", second_token
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)
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)
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master_invalidate.assert_has_calls(
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[call(key_list) for key_list in keys_to_invalidate],
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any_order=True,
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)
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worker_invalidate.assert_has_calls(
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[call(key_list) for key_list in keys_to_invalidate],
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any_order=True,
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)
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