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| -rw-r--r-- | tests/replication/tcp/test_remote_server_up.py | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/tests/replication/tcp/test_remote_server_up.py b/tests/replication/tcp/test_remote_server_up.py new file mode 100644 index 0000000000..d1c15caeb0 --- /dev/null +++ b/tests/replication/tcp/test_remote_server_up.py @@ -0,0 +1,62 @@ +# -*- coding: utf-8 -*- +# 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 typing import Tuple + +from twisted.internet.interfaces import IProtocol +from twisted.test.proto_helpers import StringTransport + +from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory + +from tests.unittest import HomeserverTestCase + + +class RemoteServerUpTestCase(HomeserverTestCase): + def prepare(self, reactor, clock, hs): + self.factory = ReplicationStreamProtocolFactory(hs) + + def _make_client(self) -> Tuple[IProtocol, StringTransport]: + """Create a new direct TCP replication connection + """ + + proto = self.factory.buildProtocol(("127.0.0.1", 0)) + transport = StringTransport() + proto.makeConnection(transport) + + # We can safely ignore the commands received during connection. + self.pump() + transport.clear() + + return proto, transport + + def test_relay(self): + """Test that Synapse will relay REMOTE_SERVER_UP commands to all + other connections, but not the one that sent it. + """ + + proto1, transport1 = self._make_client() + + # We shouldn't receive an echo. + proto1.dataReceived(b"REMOTE_SERVER_UP example.com\n") + self.pump() + self.assertEqual(transport1.value(), b"") + + # But we should see an echo if we connect another client + proto2, transport2 = self._make_client() + proto1.dataReceived(b"REMOTE_SERVER_UP example.com\n") + + self.pump() + self.assertEqual(transport1.value(), b"") + self.assertEqual(transport2.value(), b"REMOTE_SERVER_UP example.com\n") |