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