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synapse/tests/replication/test_module_cache_invalidation.py
Erik Johnston 23740eaa3d
Correctly mention previous copyright ()
During the migration the automated script to update the copyright
headers accidentally got rid of some of the existing copyright lines.
Reinstate them.
2024-01-23 11:26:48 +00:00

86 lines
2.7 KiB
Python

#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2022 The Matrix.org Foundation C.I.C.
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
import logging
import synapse
from synapse.module_api import cached
from tests.replication._base import BaseMultiWorkerStreamTestCase
logger = logging.getLogger(__name__)
FIRST_VALUE = "one"
SECOND_VALUE = "two"
KEY = "mykey"
class TestCache:
current_value = FIRST_VALUE
@cached()
async def cached_function(self, user_id: str) -> str:
return self.current_value
class ModuleCacheInvalidationTestCase(BaseMultiWorkerStreamTestCase):
servlets = [
synapse.rest.admin.register_servlets,
]
def test_module_cache_full_invalidation(self) -> None:
main_cache = TestCache()
self.hs.get_module_api().register_cached_function(main_cache.cached_function)
worker_hs = self.make_worker_hs("synapse.app.generic_worker")
worker_cache = TestCache()
worker_hs.get_module_api().register_cached_function(
worker_cache.cached_function
)
self.assertEqual(FIRST_VALUE, self.get_success(main_cache.cached_function(KEY)))
self.assertEqual(
FIRST_VALUE, self.get_success(worker_cache.cached_function(KEY))
)
main_cache.current_value = SECOND_VALUE
worker_cache.current_value = SECOND_VALUE
# No invalidation yet, should return the cached value on both the main process and the worker
self.assertEqual(FIRST_VALUE, self.get_success(main_cache.cached_function(KEY)))
self.assertEqual(
FIRST_VALUE, self.get_success(worker_cache.cached_function(KEY))
)
# Full invalidation on the main process, should be replicated on the worker that
# should returned the updated value too
self.get_success(
self.hs.get_module_api().invalidate_cache(
main_cache.cached_function, (KEY,)
)
)
self.assertEqual(
SECOND_VALUE, self.get_success(main_cache.cached_function(KEY))
)
self.assertEqual(
SECOND_VALUE, self.get_success(worker_cache.cached_function(KEY))
)