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This fixes issue7900 by adding code that deals

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with the fact that getgroups(2) might return
more that MAX_GROUPS on OSX.

See the issue (and python-dev archives) for the
gory details. Summarized: OSX behaves rather oddly
and Apple says this is intentional.
This commit is contained in:
Ronald Oussoren 2010-07-23 13:53:51 +00:00
parent a57edd0e9e
commit b6ee4f5bfc
3 changed files with 101 additions and 8 deletions
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53
Lib/test/test_posix.py
View file

@ -6,6 +6,7 @@ from test import support
posix = support.import_module('posix')
import errno
import sys
import time
import os
import pwd
@ -349,9 +350,59 @@ class PosixTester(unittest.TestCase):
os.chdir(curdir)
support.rmtree(base_path)
def test_getgroups(self):
with os.popen('id -G') as idg:
groups = idg.read().strip()
if not groups:
raise unittest.SkipTest("need working 'id -G'")
self.assertEqual([int(x) for x in groups.split()], posix.getgroups())
class PosixGroupsTester(unittest.TestCase):
def setUp(self):
if posix.getuid() != 0:
raise unittest.SkipTest("not enough privileges")
if not hasattr(posix, 'getgroups'):
raise unittest.SkipTest("need posix.getgroups")
if sys.platform == 'darwin':
raise unittest.SkipTest("getgroups(2) is broken on OSX")
self.saved_groups = posix.getgroups()
def tearDown(self):
if hasattr(posix, 'setgroups'):
posix.setgroups(self.saved_groups)
elif hasattr(posix, 'initgroups'):
name = pwd.getpwuid(posix.getuid()).pw_name
posix.initgroups(name, self.saved_groups[0])
@unittest.skipUnless(hasattr(posix, 'initgroups'),
"test needs posix.initgroups()")
def test_initgroups(self):
# find missing group
groups = sorted(self.saved_groups)
for g1,g2 in zip(groups[:-1], groups[1:]):
g = g1 + 1
if g < g2:
break
else:
g = g2 + 1
name = pwd.getpwuid(posix.getuid()).pw_name
posix.initgroups(name, g)
self.assertIn(g, posix.getgroups())
@unittest.skipUnless(hasattr(posix, 'setgroups'),
"test needs posix.setgroups()")
def test_setgroups(self):
for groups in [[0], range(16)]:
posix.setgroups(groups)
self.assertListEqual(groups, posix.getgroups())
def test_main():
support.run_unittest(PosixTester)
support.run_unittest(PosixTester, PosixGroupsTester)
if __name__ == '__main__':
test_main()