Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_wait3.py @ 58925:eecf1bef052d 2.6

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Merged revisions 78207 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r78207 | ezio.melotti | 2010-02-17 01:26:09 +0200 (Wed, 17 Feb 2010) | 1 line #7930: fix stripid ........
author Ezio Melotti <ezio.melotti@gmail.com>
date Tue, 16 Feb 2010 23:29:44 +0000
parents b3c0e0759ac0
children e6009b9cd908
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1 """This test checks for correct wait3() behavior.
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2 """
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3
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4 import os
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5 import time
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6 from test.fork_wait import ForkWait
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7 from test.test_support import TestSkipped, run_unittest, reap_children
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8
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9 try:
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10 os.fork
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11 except AttributeError:
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12 raise TestSkipped, "os.fork not defined -- skipping test_wait3"
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13
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14 try:
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15 os.wait3
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16 except AttributeError:
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17 raise TestSkipped, "os.wait3 not defined -- skipping test_wait3"
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19 class Wait3Test(ForkWait):
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20 def wait_impl(self, cpid):
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21 for i in range(10):
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22 # wait3() shouldn't hang, but some of the buildbots seem to hang
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23 # in the forking tests. This is an attempt to fix the problem.
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24 spid, status, rusage = os.wait3(os.WNOHANG)
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25 if spid == cpid:
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26 break
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27 time.sleep(1.0)
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28
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29 self.assertEqual(spid, cpid)
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30 self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8))
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31 self.assertTrue(rusage)
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32
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33 def test_main():
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34 run_unittest(Wait3Test)
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35 reap_children()
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36
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37 if __name__ == "__main__":
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38 test_main()