97 lines
2.3 KiB
Python
97 lines
2.3 KiB
Python
# Copyright 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Unittests for reraiser_thread.py."""
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import threading
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import unittest
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import reraiser_thread
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import watchdog_timer
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class TestException(Exception):
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pass
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class TestReraiserThread(unittest.TestCase):
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"""Tests for reraiser_thread.ReraiserThread."""
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def testNominal(self):
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result = [None, None]
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def f(a, b=None):
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result[0] = a
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result[1] = b
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thread = reraiser_thread.ReraiserThread(f, [1], {'b': 2})
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thread.start()
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thread.join()
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self.assertEqual(result[0], 1)
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self.assertEqual(result[1], 2)
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def testRaise(self):
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def f():
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raise TestException
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thread = reraiser_thread.ReraiserThread(f)
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thread.start()
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thread.join()
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with self.assertRaises(TestException):
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thread.ReraiseIfException()
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class TestReraiserThreadGroup(unittest.TestCase):
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"""Tests for reraiser_thread.ReraiserThreadGroup."""
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def testInit(self):
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ran = [False] * 5
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def f(i):
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ran[i] = True
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group = reraiser_thread.ReraiserThreadGroup(
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[reraiser_thread.ReraiserThread(f, args=[i]) for i in range(5)])
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group.StartAll()
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group.JoinAll()
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for v in ran:
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self.assertTrue(v)
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def testAdd(self):
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ran = [False] * 5
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def f(i):
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ran[i] = True
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group = reraiser_thread.ReraiserThreadGroup()
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for i in xrange(5):
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group.Add(reraiser_thread.ReraiserThread(f, args=[i]))
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group.StartAll()
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group.JoinAll()
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for v in ran:
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self.assertTrue(v)
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def testJoinRaise(self):
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def f():
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raise TestException
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group = reraiser_thread.ReraiserThreadGroup(
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[reraiser_thread.ReraiserThread(f) for _ in xrange(5)])
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group.StartAll()
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with self.assertRaises(TestException):
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group.JoinAll()
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def testJoinTimeout(self):
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def f():
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pass
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event = threading.Event()
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def g():
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event.wait()
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group = reraiser_thread.ReraiserThreadGroup(
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[reraiser_thread.ReraiserThread(g),
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reraiser_thread.ReraiserThread(f)])
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group.StartAll()
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with self.assertRaises(reraiser_thread.TimeoutError):
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group.JoinAll(watchdog_timer.WatchdogTimer(0.01))
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event.set()
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if __name__ == '__main__':
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unittest.main()
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