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# Copyright 2020 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 unittest import mock
from synapse.app.generic_worker import GenericWorkerServer
from synapse.replication.tcp.commands import FederationAckCommand
from synapse.replication.tcp.protocol import IReplicationConnection
from synapse.replication.tcp.streams.federation import FederationStream
from tests.unittest import HomeserverTestCase
class FederationAckTestCase(HomeserverTestCase):
def default_config(self) -> dict:
config = super().default_config()
config["worker_app"] = "synapse.app.federation_sender"
config["send_federation"] = False
return config
def make_homeserver(self, reactor, clock):
hs = self.setup_test_homeserver(homeserver_to_use=GenericWorkerServer)
return hs
def test_federation_ack_sent(self):
"""A FEDERATION_ACK should be sent back after each RDATA federation
This test checks that the federation sender is correctly sending back
FEDERATION_ACK messages. The test works by spinning up a federation_sender
worker server, and then fishing out its ReplicationCommandHandler. We wire
the RCH up to a mock connection (so that we can observe the command being sent)
and then poke in an RDATA row.
XXX: it might be nice to do this by pretending to be a synapse master worker
(or a redis server), and having the worker connect to us via a mocked-up TCP
transport, rather than assuming that the implementation has a
ReplicationCommandHandler.
"""
rch = self.hs.get_replication_command_handler()
# wire up the ReplicationCommandHandler to a mock connection, which needs
# to implement IReplicationConnection. (Note that Mock doesn't understand
# interfaces, but casing an interface to a list gives the attributes.)
mock_connection = mock.Mock(spec=list(IReplicationConnection))
rch.new_connection(mock_connection)
# tell it it received an RDATA row
self.get_success(
rch.on_rdata(
"federation",
"master",
token=10,
rows=[
FederationStream.FederationStreamRow(
type="x", data={"test": [1, 2, 3]}
)
],
)
)
# now check that the FEDERATION_ACK was sent
mock_connection.send_command.assert_called_once()
cmd = mock_connection.send_command.call_args[0][0]
assert isinstance(cmd, FederationAckCommand)
self.assertEqual(cmd.token, 10)
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