From af03ecf35223f93971596f38393c62f4694705fa Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 6 Apr 2016 15:44:22 +0100 Subject: Deduplicate joins --- tests/util/test_linearizer.py | 44 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 tests/util/test_linearizer.py (limited to 'tests/util') diff --git a/tests/util/test_linearizer.py b/tests/util/test_linearizer.py new file mode 100644 index 0000000000..afcba482f9 --- /dev/null +++ b/tests/util/test_linearizer.py @@ -0,0 +1,44 @@ +# -*- 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 Linearizer + + +class LinearizerTestCase(unittest.TestCase): + + @defer.inlineCallbacks + def test_linearizer(self): + linearizer = Linearizer() + + key = object() + + d1 = linearizer.queue(key) + cm1 = yield d1 + + d2 = linearizer.queue(key) + self.assertFalse(d2.called) + + with cm1: + self.assertFalse(d2.called) + + self.assertTrue(d2.called) + + with (yield d2): + pass -- cgit 1.4.1