71 lines
1.6 KiB
Python
71 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2016 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 tests import unittest
|
|
|
|
from twisted.internet import defer
|
|
|
|
from synapse.util.async import Limiter
|
|
|
|
|
|
class LimiterTestCase(unittest.TestCase):
|
|
|
|
@defer.inlineCallbacks
|
|
def test_limiter(self):
|
|
limiter = Limiter(3)
|
|
|
|
key = object()
|
|
|
|
d1 = limiter.queue(key)
|
|
cm1 = yield d1
|
|
|
|
d2 = limiter.queue(key)
|
|
cm2 = yield d2
|
|
|
|
d3 = limiter.queue(key)
|
|
cm3 = yield d3
|
|
|
|
d4 = limiter.queue(key)
|
|
self.assertFalse(d4.called)
|
|
|
|
d5 = limiter.queue(key)
|
|
self.assertFalse(d5.called)
|
|
|
|
with cm1:
|
|
self.assertFalse(d4.called)
|
|
self.assertFalse(d5.called)
|
|
|
|
self.assertTrue(d4.called)
|
|
self.assertFalse(d5.called)
|
|
|
|
with cm3:
|
|
self.assertFalse(d5.called)
|
|
|
|
self.assertTrue(d5.called)
|
|
|
|
with cm2:
|
|
pass
|
|
|
|
with (yield d4):
|
|
pass
|
|
|
|
with (yield d5):
|
|
pass
|
|
|
|
d6 = limiter.queue(key)
|
|
with (yield d6):
|
|
pass
|