101 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
# Copyright 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import tempfile
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from mock import Mock, NonCallableMock
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from twisted.internet import defer, reactor
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from twisted.internet.defer import Deferred
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from synapse.replication.tcp.client import (
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    ReplicationClientFactory,
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    ReplicationClientHandler,
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)
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from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
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from synapse.util.logcontext import PreserveLoggingContext, make_deferred_yieldable
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from tests import unittest
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from tests.utils import setup_test_homeserver
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class TestReplicationClientHandler(ReplicationClientHandler):
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    """Overrides on_rdata so that we can wait for it to happen"""
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    def __init__(self, store):
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        super(TestReplicationClientHandler, self).__init__(store)
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        self._rdata_awaiters = []
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    def await_replication(self):
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        d = Deferred()
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        self._rdata_awaiters.append(d)
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        return make_deferred_yieldable(d)
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    def on_rdata(self, stream_name, token, rows):
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        awaiters = self._rdata_awaiters
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        self._rdata_awaiters = []
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        super(TestReplicationClientHandler, self).on_rdata(stream_name, token, rows)
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        with PreserveLoggingContext():
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            for a in awaiters:
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                a.callback(None)
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class BaseSlavedStoreTestCase(unittest.TestCase):
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    @defer.inlineCallbacks
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    def setUp(self):
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        self.hs = yield setup_test_homeserver(
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            "blue",
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            http_client=None,
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            federation_client=Mock(),
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            ratelimiter=NonCallableMock(spec_set=[
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                "send_message",
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            ]),
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        )
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        self.hs.get_ratelimiter().send_message.return_value = (True, 0)
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        self.master_store = self.hs.get_datastore()
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        self.slaved_store = self.STORE_TYPE(self.hs.get_db_conn(), self.hs)
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        self.event_id = 0
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        server_factory = ReplicationStreamProtocolFactory(self.hs)
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        # XXX: mktemp is unsafe and should never be used. but we're just a test.
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        path = tempfile.mktemp(prefix="base_slaved_store_test_case_socket")
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        listener = reactor.listenUNIX(path, server_factory)
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        self.addCleanup(listener.stopListening)
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        self.streamer = server_factory.streamer
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        self.replication_handler = TestReplicationClientHandler(self.slaved_store)
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        client_factory = ReplicationClientFactory(
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            self.hs, "client_name", self.replication_handler
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        )
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        client_connector = reactor.connectUNIX(path, client_factory)
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        self.addCleanup(client_factory.stopTrying)
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        self.addCleanup(client_connector.disconnect)
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    def replicate(self):
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        """Tell the master side of replication that something has happened, and then
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        wait for the replication to occur.
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        """
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        # xxx: should we be more specific in what we wait for?
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        d = self.replication_handler.await_replication()
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        self.streamer.on_notifier_poke()
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        return d
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    @defer.inlineCallbacks
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    def check(self, method, args, expected_result=None):
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        master_result = yield getattr(self.master_store, method)(*args)
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        slaved_result = yield getattr(self.slaved_store, method)(*args)
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        if expected_result is not None:
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            self.assertEqual(master_result, expected_result)
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            self.assertEqual(slaved_result, expected_result)
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        self.assertEqual(master_result, slaved_result)
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