426 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			426 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Python
		
	
	
# Copyright 2015, 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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from typing import List, Optional, Sequence, Tuple, cast
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from unittest.mock import AsyncMock, Mock
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from typing_extensions import TypeAlias
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from twisted.internet import defer
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.appservice import (
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    ApplicationService,
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    ApplicationServiceState,
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    TransactionOneTimeKeysCount,
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    TransactionUnusedFallbackKeys,
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)
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from synapse.appservice.scheduler import (
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    ApplicationServiceScheduler,
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    _Recoverer,
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    _TransactionController,
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)
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from synapse.events import EventBase
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from synapse.logging.context import make_deferred_yieldable
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from synapse.server import HomeServer
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from synapse.types import DeviceListUpdates, JsonDict
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from synapse.util import Clock
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from tests import unittest
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from ..utils import MockClock
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class ApplicationServiceSchedulerTransactionCtrlTestCase(unittest.TestCase):
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    def setUp(self) -> None:
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        self.clock = MockClock()
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        self.store = Mock()
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        self.as_api = Mock()
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        self.recoverer = Mock()
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        self.recoverer_fn = Mock(return_value=self.recoverer)
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        self.txnctrl = _TransactionController(
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            clock=cast(Clock, self.clock), store=self.store, as_api=self.as_api
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        )
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        self.txnctrl.RECOVERER_CLASS = self.recoverer_fn
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    def test_single_service_up_txn_sent(self) -> None:
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        # Test: The AS is up and the txn is successfully sent.
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        service = Mock()
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        events = [Mock(), Mock()]
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        txn_id = "foobar"
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        txn = Mock(id=txn_id, service=service, events=events)
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        # mock methods
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        self.store.get_appservice_state = AsyncMock(
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            return_value=ApplicationServiceState.UP
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        )
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        txn.send = AsyncMock(return_value=True)
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        txn.complete = AsyncMock(return_value=True)
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        self.store.create_appservice_txn = AsyncMock(return_value=txn)
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        # actual call
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        self.successResultOf(defer.ensureDeferred(self.txnctrl.send(service, events)))
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        self.store.create_appservice_txn.assert_called_once_with(
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            service=service,
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            events=events,
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            ephemeral=[],
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            to_device_messages=[],  # txn made and saved
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            one_time_keys_count={},
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            unused_fallback_keys={},
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            device_list_summary=DeviceListUpdates(),
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        )
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        self.assertEqual(0, len(self.txnctrl.recoverers))  # no recoverer made
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        txn.complete.assert_called_once_with(self.store)  # txn completed
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    def test_single_service_down(self) -> None:
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        # Test: The AS is down so it shouldn't push; Recoverers will do it.
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        # It should still make a transaction though.
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        service = Mock()
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        events = [Mock(), Mock()]
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        txn = Mock(id="idhere", service=service, events=events)
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        self.store.get_appservice_state = AsyncMock(
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            return_value=ApplicationServiceState.DOWN
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        )
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        self.store.create_appservice_txn = AsyncMock(return_value=txn)
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        # actual call
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        self.successResultOf(defer.ensureDeferred(self.txnctrl.send(service, events)))
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        self.store.create_appservice_txn.assert_called_once_with(
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            service=service,
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            events=events,
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            ephemeral=[],
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            to_device_messages=[],  # txn made and saved
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            one_time_keys_count={},
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            unused_fallback_keys={},
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            device_list_summary=DeviceListUpdates(),
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        )
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        self.assertEqual(0, txn.send.call_count)  # txn not sent though
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        self.assertEqual(0, txn.complete.call_count)  # or completed
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    def test_single_service_up_txn_not_sent(self) -> None:
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        # Test: The AS is up and the txn is not sent. A Recoverer is made and
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        # started.
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        service = Mock()
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        events = [Mock(), Mock()]
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        txn_id = "foobar"
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        txn = Mock(id=txn_id, service=service, events=events)
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        # mock methods
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        self.store.get_appservice_state = AsyncMock(
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            return_value=ApplicationServiceState.UP
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        )
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        self.store.set_appservice_state = AsyncMock(return_value=True)
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        txn.send = AsyncMock(return_value=False)  # fails to send
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        self.store.create_appservice_txn = AsyncMock(return_value=txn)
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        # actual call
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        self.successResultOf(defer.ensureDeferred(self.txnctrl.send(service, events)))
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        self.store.create_appservice_txn.assert_called_once_with(
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            service=service,
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            events=events,
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            ephemeral=[],
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            to_device_messages=[],
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            one_time_keys_count={},
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            unused_fallback_keys={},
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            device_list_summary=DeviceListUpdates(),
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        )
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        self.assertEqual(1, self.recoverer_fn.call_count)  # recoverer made
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        self.assertEqual(1, self.recoverer.recover.call_count)  # and invoked
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        self.assertEqual(1, len(self.txnctrl.recoverers))  # and stored
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        self.assertEqual(0, txn.complete.call_count)  # txn not completed
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        self.store.set_appservice_state.assert_called_once_with(
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            service, ApplicationServiceState.DOWN  # service marked as down
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        )
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class ApplicationServiceSchedulerRecovererTestCase(unittest.TestCase):
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    def setUp(self) -> None:
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        self.clock = MockClock()
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        self.as_api = Mock()
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        self.store = Mock()
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        self.service = Mock()
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        self.callback = AsyncMock()
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        self.recoverer = _Recoverer(
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            clock=cast(Clock, self.clock),
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            as_api=self.as_api,
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            store=self.store,
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            service=self.service,
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            callback=self.callback,
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        )
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    def test_recover_single_txn(self) -> None:
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        txn = Mock()
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        # return one txn to send, then no more old txns
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        txns = [txn, None]
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        def take_txn(
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            *args: object, **kwargs: object
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        ) -> "defer.Deferred[Optional[Mock]]":
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            return defer.succeed(txns.pop(0))
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        self.store.get_oldest_unsent_txn = Mock(side_effect=take_txn)
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        self.recoverer.recover()
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        # shouldn't have called anything prior to waiting for exp backoff
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        self.assertEqual(0, self.store.get_oldest_unsent_txn.call_count)
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        txn.send = AsyncMock(return_value=True)
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        txn.complete = AsyncMock(return_value=None)
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        # wait for exp backoff
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        self.clock.advance_time(2)
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        self.assertEqual(1, txn.send.call_count)
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        self.assertEqual(1, txn.complete.call_count)
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        # 2 because it needs to get None to know there are no more txns
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        self.assertEqual(2, self.store.get_oldest_unsent_txn.call_count)
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        self.callback.assert_called_once_with(self.recoverer)
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        self.assertEqual(self.recoverer.service, self.service)
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    def test_recover_retry_txn(self) -> None:
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        txn = Mock()
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        txns = [txn, None]
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        pop_txn = False
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        def take_txn(
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            *args: object, **kwargs: object
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        ) -> "defer.Deferred[Optional[Mock]]":
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            if pop_txn:
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                return defer.succeed(txns.pop(0))
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            else:
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                return defer.succeed(txn)
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        self.store.get_oldest_unsent_txn = Mock(side_effect=take_txn)
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        self.recoverer.recover()
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        self.assertEqual(0, self.store.get_oldest_unsent_txn.call_count)
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        txn.send = AsyncMock(return_value=False)
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        txn.complete = AsyncMock(return_value=None)
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        self.clock.advance_time(2)
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        self.assertEqual(1, txn.send.call_count)
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        self.assertEqual(0, txn.complete.call_count)
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        self.assertEqual(0, self.callback.call_count)
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        self.clock.advance_time(4)
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        self.assertEqual(2, txn.send.call_count)
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        self.assertEqual(0, txn.complete.call_count)
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        self.assertEqual(0, self.callback.call_count)
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        self.clock.advance_time(8)
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        self.assertEqual(3, txn.send.call_count)
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        self.assertEqual(0, txn.complete.call_count)
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        self.assertEqual(0, self.callback.call_count)
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        txn.send = AsyncMock(return_value=True)  # successfully send the txn
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        pop_txn = True  # returns the txn the first time, then no more.
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        self.clock.advance_time(16)
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        self.assertEqual(1, txn.send.call_count)  # new mock reset call count
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        self.assertEqual(1, txn.complete.call_count)
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        self.callback.assert_called_once_with(self.recoverer)
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# Corresponds to synapse.appservice.scheduler._TransactionController.send
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TxnCtrlArgs: TypeAlias = """
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defer.Deferred[
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    Tuple[
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        ApplicationService,
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        Sequence[EventBase],
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        Optional[List[JsonDict]],
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        Optional[List[JsonDict]],
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        Optional[TransactionOneTimeKeysCount],
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        Optional[TransactionUnusedFallbackKeys],
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        Optional[DeviceListUpdates],
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    ]
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]
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"""
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class ApplicationServiceSchedulerQueuerTestCase(unittest.HomeserverTestCase):
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    def prepare(self, reactor: "MemoryReactor", clock: Clock, hs: HomeServer) -> None:
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        self.scheduler = ApplicationServiceScheduler(hs)
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        self.txn_ctrl = Mock()
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        self.txn_ctrl.send = AsyncMock()
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        # Replace instantiated _TransactionController instances with our Mock
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        self.scheduler.txn_ctrl = self.txn_ctrl
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        self.scheduler.queuer.txn_ctrl = self.txn_ctrl
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    def test_send_single_event_no_queue(self) -> None:
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        # Expect the event to be sent immediately.
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        service = Mock(id=4)
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        event = Mock()
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        self.scheduler.enqueue_for_appservice(service, events=[event])
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        self.txn_ctrl.send.assert_called_once_with(
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            service, [event], [], [], None, None, DeviceListUpdates()
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        )
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    def test_send_single_event_with_queue(self) -> None:
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        d: TxnCtrlArgs = defer.Deferred()
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        self.txn_ctrl.send = Mock(return_value=make_deferred_yieldable(d))
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        service = Mock(id=4)
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        event = Mock(event_id="first")
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        event2 = Mock(event_id="second")
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        event3 = Mock(event_id="third")
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        # Send an event and don't resolve it just yet.
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        self.scheduler.enqueue_for_appservice(service, events=[event])
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        # Send more events: expect send() to NOT be called multiple times.
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        # (call enqueue_for_appservice multiple times deliberately)
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        self.scheduler.enqueue_for_appservice(service, events=[event2])
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        self.scheduler.enqueue_for_appservice(service, events=[event3])
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        self.txn_ctrl.send.assert_called_with(
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            service, [event], [], [], None, None, DeviceListUpdates()
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        )
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        self.assertEqual(1, self.txn_ctrl.send.call_count)
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        # Resolve the send event: expect the queued events to be sent
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        d.callback(service)
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        self.txn_ctrl.send.assert_called_with(
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            service, [event2, event3], [], [], None, None, DeviceListUpdates()
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        )
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        self.assertEqual(2, self.txn_ctrl.send.call_count)
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    def test_multiple_service_queues(self) -> None:
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        # Tests that each service has its own queue, and that they don't block
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        # on each other.
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        srv1 = Mock(id=4)
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        srv_1_defer: "defer.Deferred[EventBase]" = defer.Deferred()
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        srv_1_event = Mock(event_id="srv1a")
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        srv_1_event2 = Mock(event_id="srv1b")
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        srv2 = Mock(id=6)
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        srv_2_defer: "defer.Deferred[EventBase]" = defer.Deferred()
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        srv_2_event = Mock(event_id="srv2a")
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        srv_2_event2 = Mock(event_id="srv2b")
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        send_return_list = [srv_1_defer, srv_2_defer]
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        def do_send(*args: object, **kwargs: object) -> "defer.Deferred[EventBase]":
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            return make_deferred_yieldable(send_return_list.pop(0))
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        self.txn_ctrl.send = Mock(side_effect=do_send)
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        # send events for different ASes and make sure they are sent
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        self.scheduler.enqueue_for_appservice(srv1, events=[srv_1_event])
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        self.scheduler.enqueue_for_appservice(srv1, events=[srv_1_event2])
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        self.txn_ctrl.send.assert_called_with(
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            srv1, [srv_1_event], [], [], None, None, DeviceListUpdates()
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        )
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        self.scheduler.enqueue_for_appservice(srv2, events=[srv_2_event])
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        self.scheduler.enqueue_for_appservice(srv2, events=[srv_2_event2])
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        self.txn_ctrl.send.assert_called_with(
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            srv2, [srv_2_event], [], [], None, None, DeviceListUpdates()
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        )
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        # make sure callbacks for a service only send queued events for THAT
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        # service
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        srv_2_defer.callback(srv2)
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        self.txn_ctrl.send.assert_called_with(
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            srv2, [srv_2_event2], [], [], None, None, DeviceListUpdates()
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        )
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        self.assertEqual(3, self.txn_ctrl.send.call_count)
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    def test_send_large_txns(self) -> None:
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        srv_1_defer: "defer.Deferred[EventBase]" = defer.Deferred()
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        srv_2_defer: "defer.Deferred[EventBase]" = defer.Deferred()
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        send_return_list = [srv_1_defer, srv_2_defer]
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        def do_send(*args: object, **kwargs: object) -> "defer.Deferred[EventBase]":
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            return make_deferred_yieldable(send_return_list.pop(0))
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        self.txn_ctrl.send = Mock(side_effect=do_send)
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        service = Mock(id=4, name="service")
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        event_list = [Mock(name="event%i" % (i + 1)) for i in range(200)]
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        for event in event_list:
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            self.scheduler.enqueue_for_appservice(service, [event], [])
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        # Expect the first event to be sent immediately.
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        self.txn_ctrl.send.assert_called_with(
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            service, [event_list[0]], [], [], None, None, DeviceListUpdates()
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        )
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        srv_1_defer.callback(service)
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        # Then send the next 100 events
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        self.txn_ctrl.send.assert_called_with(
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            service, event_list[1:101], [], [], None, None, DeviceListUpdates()
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        )
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        srv_2_defer.callback(service)
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        # Then the final 99 events
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        self.txn_ctrl.send.assert_called_with(
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            service, event_list[101:], [], [], None, None, DeviceListUpdates()
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        )
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        self.assertEqual(3, self.txn_ctrl.send.call_count)
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    def test_send_single_ephemeral_no_queue(self) -> None:
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        # Expect the event to be sent immediately.
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        service = Mock(id=4, name="service")
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        event_list = [Mock(name="event")]
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        self.scheduler.enqueue_for_appservice(service, ephemeral=event_list)
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        self.txn_ctrl.send.assert_called_once_with(
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            service, [], event_list, [], None, None, DeviceListUpdates()
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        )
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    def test_send_multiple_ephemeral_no_queue(self) -> None:
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        # Expect the event to be sent immediately.
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        service = Mock(id=4, name="service")
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        event_list = [Mock(name="event1"), Mock(name="event2"), Mock(name="event3")]
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        self.scheduler.enqueue_for_appservice(service, ephemeral=event_list)
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        self.txn_ctrl.send.assert_called_once_with(
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            service, [], event_list, [], None, None, DeviceListUpdates()
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        )
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    def test_send_single_ephemeral_with_queue(self) -> None:
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        d: TxnCtrlArgs = defer.Deferred()
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        self.txn_ctrl.send = Mock(return_value=make_deferred_yieldable(d))
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        service = Mock(id=4)
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        event_list_1 = [Mock(event_id="event1"), Mock(event_id="event2")]
 | 
						|
        event_list_2 = [Mock(event_id="event3"), Mock(event_id="event4")]
 | 
						|
        event_list_3 = [Mock(event_id="event5"), Mock(event_id="event6")]
 | 
						|
 | 
						|
        # Send an event and don't resolve it just yet.
 | 
						|
        self.scheduler.enqueue_for_appservice(service, ephemeral=event_list_1)
 | 
						|
        # Send more events: expect send() to NOT be called multiple times.
 | 
						|
        self.scheduler.enqueue_for_appservice(service, ephemeral=event_list_2)
 | 
						|
        self.scheduler.enqueue_for_appservice(service, ephemeral=event_list_3)
 | 
						|
        self.txn_ctrl.send.assert_called_with(
 | 
						|
            service, [], event_list_1, [], None, None, DeviceListUpdates()
 | 
						|
        )
 | 
						|
        self.assertEqual(1, self.txn_ctrl.send.call_count)
 | 
						|
        # Resolve txn_ctrl.send
 | 
						|
        d.callback(service)
 | 
						|
        # Expect the queued events to be sent
 | 
						|
        self.txn_ctrl.send.assert_called_with(
 | 
						|
            service,
 | 
						|
            [],
 | 
						|
            event_list_2 + event_list_3,
 | 
						|
            [],
 | 
						|
            None,
 | 
						|
            None,
 | 
						|
            DeviceListUpdates(),
 | 
						|
        )
 | 
						|
        self.assertEqual(2, self.txn_ctrl.send.call_count)
 | 
						|
 | 
						|
    def test_send_large_txns_ephemeral(self) -> None:
 | 
						|
        d: TxnCtrlArgs = defer.Deferred()
 | 
						|
        self.txn_ctrl.send = Mock(return_value=make_deferred_yieldable(d))
 | 
						|
        # Expect the event to be sent immediately.
 | 
						|
        service = Mock(id=4, name="service")
 | 
						|
        first_chunk = [Mock(name="event%i" % (i + 1)) for i in range(100)]
 | 
						|
        second_chunk = [Mock(name="event%i" % (i + 101)) for i in range(50)]
 | 
						|
        event_list = first_chunk + second_chunk
 | 
						|
        self.scheduler.enqueue_for_appservice(service, ephemeral=event_list)
 | 
						|
        self.txn_ctrl.send.assert_called_once_with(
 | 
						|
            service, [], first_chunk, [], None, None, DeviceListUpdates()
 | 
						|
        )
 | 
						|
        d.callback(service)
 | 
						|
        self.txn_ctrl.send.assert_called_with(
 | 
						|
            service, [], second_chunk, [], None, None, DeviceListUpdates()
 | 
						|
        )
 | 
						|
        self.assertEqual(2, self.txn_ctrl.send.call_count)
 |