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1 # Copyright 2015 The Chromium Authors. All rights reserved. | |
tandrii(chromium)
2016/06/13 17:03:28
nit 2016
Sergiy Byelozyorov
2016/06/14 06:12:14
Done.
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2 # Use of this source code is governed by a BSD-style license that can be | |
3 # found in the LICENSE file. | |
4 | |
5 import mock | |
6 import threading | |
7 import time | |
8 import unittest | |
9 | |
10 from testing_support import thread_watcher | |
11 | |
12 class TestNoExtraThreads(thread_watcher.TestCase): | |
13 def mock_test(self): | |
14 pass | |
15 | |
16 | |
17 class TestExtraThreads(thread_watcher.TestCase): | |
18 def _start_thread(self, name='foo'): | |
19 stop = threading.Event() | |
20 def thread_func(): | |
21 while not stop.is_set(): | |
22 time.sleep(0.01) | |
23 | |
24 t = threading.Thread(target=thread_func, name=name) | |
25 t.start() | |
26 return t, stop | |
27 | |
28 def mock_test(self): | |
29 self.t1, self.stop1 = self._start_thread('foo') | |
30 self.t2, self.stop2 = self._start_thread('bar') | |
31 | |
32 def stopThreads(self): | |
33 self.stop1.set() | |
34 self.stop2.set() | |
35 self.t1.join() | |
36 self.t2.join() | |
37 | |
38 | |
39 class TestAutoStubTestCase(thread_watcher.TestCase): | |
40 @mock.patch('unittest.TestCase.fail') | |
41 def test_no_extra_threads(self, fail_mock): | |
42 TestNoExtraThreads('mock_test').run() | |
43 self.assertFalse(fail_mock.called) | |
44 | |
45 @mock.patch('unittest.TestCase.fail') | |
46 def test_extra_threads(self, fail_mock): | |
47 t = TestExtraThreads('mock_test') | |
48 t.run() | |
49 t.stopThreads() | |
50 self.assertEqual( | |
51 fail_mock.call_args_list, | |
52 [mock.call('Found 2 running thread(s) after the test: foo, bar')]) | |
53 | |
54 | |
55 if __name__ == '__main__': | |
56 unittest.main() | |
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