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Issue #7333: The posix module gains an initgroups() function providing

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access to the initgroups(3) C library call on Unix systems which implement
it.  Patch by Jean-Paul Calderone.
This commit is contained in:
Antoine Pitrou 2009-12-02 20:37:54 +00:00
parent f2bf0d2a51
commit 30b3b35cba
7 changed files with 69 additions and 3 deletions
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22
Lib/test/test_posix.py
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@ -5,6 +5,7 @@ from test import test_support
# Skip these tests if there is no posix module.
posix = test_support.import_module('posix')
import errno
import time
import os
import pwd
@ -83,6 +84,27 @@ class PosixTester(unittest.TestCase):
new_group_ids = (current_group_ids[0]+1, -1, -1)
self.assertRaises(OSError, posix.setresgid, *new_group_ids)
@unittest.skipUnless(hasattr(posix, 'initgroups'),
"test needs os.initgroups()")
def test_initgroups(self):
# It takes a string and an integer; check that it raises a TypeError
# for other argument lists.
self.assertRaises(TypeError, posix.initgroups)
self.assertRaises(TypeError, posix.initgroups, None)
self.assertRaises(TypeError, posix.initgroups, 3, "foo")
self.assertRaises(TypeError, posix.initgroups, "foo", 3, object())
# If a non-privileged user invokes it, it should fail with OSError
# EPERM.
if os.getuid() != 0:
name = pwd.getpwuid(posix.getuid()).pw_name
try:
posix.initgroups(name, 13)
except OSError as e:
self.assertEquals(e.errno, errno.EPERM)
else:
self.fail("Expected OSError to be raised by initgroups")
def test_statvfs(self):
if hasattr(posix, 'statvfs'):
self.assertTrue(posix.statvfs(os.curdir))