Skip to content
Snippets Groups Projects
test_remote_server_up.py 2.13 KiB
Newer Older
  • Learn to ignore specific revisions
  • # -*- 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")