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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 tests.replication._base import BaseMultiWorkerStreamTestCase
class ChannelsTestCase(BaseMultiWorkerStreamTestCase):
def test_subscribed_to_enough_redis_channels(self) -> None:
# The default main process is subscribed to the USER_IP channel.
self.assertCountEqual(
self.hs.get_replication_command_handler()._channels_to_subscribe_to,
["USER_IP"],
)
def test_background_worker_subscribed_to_user_ip(self) -> None:
# The default main process is subscribed to the USER_IP channel.
worker1 = self.make_worker_hs(
"synapse.app.generic_worker",
extra_config={
"worker_name": "worker1",
"run_background_tasks_on": "worker1",
"redis": {"enabled": True},
},
)
self.assertIn(
"USER_IP",
worker1.get_replication_command_handler()._channels_to_subscribe_to,
)
# Advance so the Redis subscription gets processed
self.pump(0.1)
# The counts are 2 because both the main process and the worker are subscribed.
self.assertEqual(len(self._redis_server._subscribers_by_channel[b"test"]), 2)
self.assertEqual(
len(self._redis_server._subscribers_by_channel[b"test/USER_IP"]), 2
)
def test_non_background_worker_not_subscribed_to_user_ip(self) -> None:
# The default main process is subscribed to the USER_IP channel.
worker2 = self.make_worker_hs(
"synapse.app.generic_worker",
extra_config={
"worker_name": "worker2",
"run_background_tasks_on": "worker1",
"redis": {"enabled": True},
},
)
self.assertNotIn(
"USER_IP",
worker2.get_replication_command_handler()._channels_to_subscribe_to,
)
# Advance so the Redis subscription gets processed
self.pump(0.1)
# The count is 2 because both the main process and the worker are subscribed.
self.assertEqual(len(self._redis_server._subscribers_by_channel[b"test"]), 2)
# For USER_IP, the count is 1 because only the main process is subscribed.
self.assertEqual(
len(self._redis_server._subscribers_by_channel[b"test/USER_IP"]), 1
)
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