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# -*- coding: utf-8 -*-
# Copyright 2015 OpenMarket Ltd
#
# 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 synapse.appservice.scheduler import (
AppServiceScheduler, AppServiceTransaction, _EventGrouper,
_TransactionController, _Recoverer
)
from twisted.internet import defer
from ..utils import MockClock
from mock import Mock
from tests import unittest
class ApplicationServiceSchedulerRecovererTestCase(unittest.TestCase):
def setUp(self):
self.clock = MockClock()
self.as_api = Mock()
self.store = Mock()
self.service = Mock()
self.callback = Mock()
self.recoverer = _Recoverer(
clock=self.clock,
as_api=self.as_api,
store=self.store,
service=self.service,
callback=self.callback,
)
def test_recover_single_txn(self):
txn = Mock()
# return one txn to send, then no more old txns
txns = [txn, None]
def take_txn(*args, **kwargs):
return defer.succeed(txns.pop(0))
self.store.get_oldest_txn = Mock(side_effect=take_txn)
self.recoverer.recover()
# shouldn't have called anything prior to waiting for exp backoff
self.assertEquals(0, self.store.get_oldest_txn.call_count)
txn.send = Mock(return_value=True)
# wait for exp backoff
self.clock.advance_time(2000)
self.assertEquals(1, txn.send.call_count)
self.assertEquals(1, txn.complete.call_count)
# 2 because it needs to get None to know there are no more txns
self.assertEquals(2, self.store.get_oldest_txn.call_count)
self.assertEquals(1, self.callback.call_count)
def test_recover_retry_txn(self):
txn = Mock()
txns = [txn, None]
pop_txn = False
def take_txn(*args, **kwargs):
if pop_txn:
return defer.succeed(txns.pop(0))
else:
return defer.succeed(txn)
self.store.get_oldest_txn = Mock(side_effect=take_txn)
self.recoverer.recover()
self.assertEquals(0, self.store.get_oldest_txn.call_count)
txn.send = Mock(return_value=False)
self.clock.advance_time(2000)
self.assertEquals(1, txn.send.call_count)
self.assertEquals(0, txn.complete.call_count)
self.assertEquals(0, self.callback.call_count)
self.clock.advance_time(4000)
self.assertEquals(2, txn.send.call_count)
self.assertEquals(0, txn.complete.call_count)
self.assertEquals(0, self.callback.call_count)
self.clock.advance_time(8000)
self.assertEquals(3, txn.send.call_count)
self.assertEquals(0, txn.complete.call_count)
self.assertEquals(0, self.callback.call_count)
txn.send = Mock(return_value=True) # successfully send the txn
pop_txn = True # returns the txn the first time, then no more.
self.clock.advance_time(16000)
self.assertEquals(1, txn.send.call_count) # new mock reset call count
self.assertEquals(1, txn.complete.call_count)
self.assertEquals(1, self.callback.call_count)
class ApplicationServiceSchedulerEventGrouperTestCase(unittest.TestCase):
def setUp(self):
self.grouper = _EventGrouper()
def test_drain_single_event(self):
service = Mock()
event = Mock()
self.grouper.on_receive(service, event)
groups = self.grouper.drain_groups()
self.assertTrue(service in groups)
self.assertEquals([event], groups[service])
self.assertEquals(1, len(groups.keys()))
# no more events
self.assertEquals(self.grouper.drain_groups(), {})
def test_drain_multiple_events(self):
service = Mock()
events = [Mock(), Mock(), Mock()]
for e in events:
self.grouper.on_receive(service, e)
groups = self.grouper.drain_groups()
self.assertTrue(service in groups)
self.assertEquals(events, groups[service])
# no more events
self.assertEquals(self.grouper.drain_groups(), {})
def test_drain_multiple_services(self):
services = [Mock(), Mock(), Mock()]
events_a = [Mock(), Mock()]
events_b = [Mock()]
events_c = [Mock(), Mock(), Mock(), Mock()]
mappings = {
services[0]: events_a,
services[1]: events_b,
services[2]: events_c
}
for e in events_b:
self.grouper.on_receive(services[1], e)
for e in events_c:
self.grouper.on_receive(services[2], e)
for e in events_a:
self.grouper.on_receive(services[0], e)
groups = self.grouper.drain_groups()
for service in services:
self.assertTrue(service in groups)
self.assertEquals(mappings[service], groups[service])
self.assertEquals(3, len(groups.keys()))
# no more events
self.assertEquals(self.grouper.drain_groups(), {})
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