cpython/Lib/test/test_wait4.py
Benjamin Peterson e549ead826 Merged revisions 70554,70588-70589,70598,70605,70611-70621,70623-70624,70626-70627 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r70554 | benjamin.peterson | 2009-03-23 16:25:15 -0500 (Mon, 23 Mar 2009) | 1 line

  complain when there's no last exception
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  r70588 | benjamin.peterson | 2009-03-24 17:56:32 -0500 (Tue, 24 Mar 2009) | 1 line

  fix newline issue in test summary
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  r70589 | benjamin.peterson | 2009-03-24 18:07:07 -0500 (Tue, 24 Mar 2009) | 1 line

  another style nit
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  r70598 | benjamin.peterson | 2009-03-25 16:24:04 -0500 (Wed, 25 Mar 2009) | 1 line

  add shorthands for expected failures and unexpected success
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  r70605 | benjamin.peterson | 2009-03-26 11:32:23 -0500 (Thu, 26 Mar 2009) | 1 line

  remove uneeded function
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  r70611 | benjamin.peterson | 2009-03-26 13:35:37 -0500 (Thu, 26 Mar 2009) | 1 line

  add much better tests for python version information parsing
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  r70612 | benjamin.peterson | 2009-03-26 13:55:48 -0500 (Thu, 26 Mar 2009) | 1 line

  more and more implementations now support sys.subversion
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  r70613 | benjamin.peterson | 2009-03-26 13:58:30 -0500 (Thu, 26 Mar 2009) | 1 line

  roll old test in with new one
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  r70614 | benjamin.peterson | 2009-03-26 14:09:21 -0500 (Thu, 26 Mar 2009) | 1 line

  add support for PyPy
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  r70615 | benjamin.peterson | 2009-03-26 14:58:18 -0500 (Thu, 26 Mar 2009) | 5 lines

  add some useful utilities for skipping tests with unittest's new skipping ability

  most significantly apply a modified portion of the patch from #4242 with
  patches for skipping implementation details
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  r70616 | benjamin.peterson | 2009-03-26 15:05:50 -0500 (Thu, 26 Mar 2009) | 1 line

  rename TestCase.skip() to skipTest() because it causes annoying problems with trial #5571
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  r70617 | benjamin.peterson | 2009-03-26 15:17:27 -0500 (Thu, 26 Mar 2009) | 1 line

  apply the second part of #4242's patch; classify all the implementation details in test_descr
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  r70618 | benjamin.peterson | 2009-03-26 15:48:25 -0500 (Thu, 26 Mar 2009) | 1 line

  remove test_support.TestSkipped and just use unittest.SkipTest
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  r70619 | benjamin.peterson | 2009-03-26 15:49:40 -0500 (Thu, 26 Mar 2009) | 1 line

  fix naming
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  r70620 | benjamin.peterson | 2009-03-26 16:10:30 -0500 (Thu, 26 Mar 2009) | 1 line

  fix incorrect auto-translation of TestSkipped -> unittest.SkipTest
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  r70621 | benjamin.peterson | 2009-03-26 16:11:16 -0500 (Thu, 26 Mar 2009) | 1 line

  must pass argument to get expected behavior ;)
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  r70623 | benjamin.peterson | 2009-03-26 16:30:10 -0500 (Thu, 26 Mar 2009) | 1 line

  add missing import
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  r70624 | benjamin.peterson | 2009-03-26 16:30:54 -0500 (Thu, 26 Mar 2009) | 1 line

  ** is required here
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  r70626 | benjamin.peterson | 2009-03-26 16:40:29 -0500 (Thu, 26 Mar 2009) | 1 line

  update email tests to use SkipTest
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  r70627 | benjamin.peterson | 2009-03-26 16:44:43 -0500 (Thu, 26 Mar 2009) | 1 line

  fix another name
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2009-03-28 21:42:05 +00:00

38 lines
1.0 KiB
Python

"""This test checks for correct wait4() behavior.
"""
import os
import time
from test.fork_wait import ForkWait
from test.support import run_unittest, reap_children
try:
os.fork
except AttributeError:
raise unittest.SkipTest("os.fork not defined -- skipping test_wait4")
try:
os.wait4
except AttributeError:
raise unittest.SkipTest("os.wait4 not defined -- skipping test_wait4")
class Wait4Test(ForkWait):
def wait_impl(self, cpid):
for i in range(10):
# wait4() shouldn't hang, but some of the buildbots seem to hang
# in the forking tests. This is an attempt to fix the problem.
spid, status, rusage = os.wait4(cpid, os.WNOHANG)
if spid == cpid:
break
time.sleep(1.0)
self.assertEqual(spid, cpid)
self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8))
self.assertTrue(rusage)
def test_main():
run_unittest(Wait4Test)
reap_children()
if __name__ == "__main__":
test_main()