830 lines
32 KiB
Python
830 lines
32 KiB
Python
"Test posix functions"
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from test import support
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# Skip these tests if there is no posix module.
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posix = support.import_module('posix')
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import errno
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import sys
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import time
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import os
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import fcntl
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import pwd
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import shutil
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import stat
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import unittest
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import warnings
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class PosixTester(unittest.TestCase):
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def setUp(self):
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# create empty file
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fp = open(support.TESTFN, 'w+')
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fp.close()
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self._warnings_manager = support.check_warnings()
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self._warnings_manager.__enter__()
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warnings.filterwarnings('ignore', '.* potential security risk .*',
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RuntimeWarning)
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def tearDown(self):
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support.unlink(support.TESTFN)
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self._warnings_manager.__exit__(None, None, None)
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def testNoArgFunctions(self):
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# test posix functions which take no arguments and have
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# no side-effects which we need to cleanup (e.g., fork, wait, abort)
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NO_ARG_FUNCTIONS = [ "ctermid", "getcwd", "getcwdb", "uname",
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"times", "getloadavg",
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"getegid", "geteuid", "getgid", "getgroups",
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"getpid", "getpgrp", "getppid", "getuid", "sync",
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]
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for name in NO_ARG_FUNCTIONS:
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posix_func = getattr(posix, name, None)
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if posix_func is not None:
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posix_func()
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self.assertRaises(TypeError, posix_func, 1)
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if hasattr(posix, 'getresuid'):
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def test_getresuid(self):
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user_ids = posix.getresuid()
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self.assertEqual(len(user_ids), 3)
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for val in user_ids:
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self.assertGreaterEqual(val, 0)
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if hasattr(posix, 'getresgid'):
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def test_getresgid(self):
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group_ids = posix.getresgid()
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self.assertEqual(len(group_ids), 3)
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for val in group_ids:
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self.assertGreaterEqual(val, 0)
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if hasattr(posix, 'setresuid'):
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def test_setresuid(self):
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current_user_ids = posix.getresuid()
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self.assertIsNone(posix.setresuid(*current_user_ids))
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# -1 means don't change that value.
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self.assertIsNone(posix.setresuid(-1, -1, -1))
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def test_setresuid_exception(self):
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# Don't do this test if someone is silly enough to run us as root.
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current_user_ids = posix.getresuid()
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if 0 not in current_user_ids:
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new_user_ids = (current_user_ids[0]+1, -1, -1)
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self.assertRaises(OSError, posix.setresuid, *new_user_ids)
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if hasattr(posix, 'setresgid'):
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def test_setresgid(self):
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current_group_ids = posix.getresgid()
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self.assertIsNone(posix.setresgid(*current_group_ids))
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# -1 means don't change that value.
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self.assertIsNone(posix.setresgid(-1, -1, -1))
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def test_setresgid_exception(self):
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# Don't do this test if someone is silly enough to run us as root.
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current_group_ids = posix.getresgid()
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if 0 not in current_group_ids:
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new_group_ids = (current_group_ids[0]+1, -1, -1)
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self.assertRaises(OSError, posix.setresgid, *new_group_ids)
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@unittest.skipUnless(hasattr(posix, 'initgroups'),
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"test needs os.initgroups()")
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def test_initgroups(self):
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# It takes a string and an integer; check that it raises a TypeError
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# for other argument lists.
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self.assertRaises(TypeError, posix.initgroups)
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self.assertRaises(TypeError, posix.initgroups, None)
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self.assertRaises(TypeError, posix.initgroups, 3, "foo")
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self.assertRaises(TypeError, posix.initgroups, "foo", 3, object())
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# If a non-privileged user invokes it, it should fail with OSError
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# EPERM.
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if os.getuid() != 0:
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name = pwd.getpwuid(posix.getuid()).pw_name
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try:
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posix.initgroups(name, 13)
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except OSError as e:
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self.assertEqual(e.errno, errno.EPERM)
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else:
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self.fail("Expected OSError to be raised by initgroups")
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def test_statvfs(self):
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if hasattr(posix, 'statvfs'):
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self.assertTrue(posix.statvfs(os.curdir))
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def test_fstatvfs(self):
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if hasattr(posix, 'fstatvfs'):
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fp = open(support.TESTFN)
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try:
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self.assertTrue(posix.fstatvfs(fp.fileno()))
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finally:
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fp.close()
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def test_ftruncate(self):
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if hasattr(posix, 'ftruncate'):
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fp = open(support.TESTFN, 'w+')
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try:
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# we need to have some data to truncate
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fp.write('test')
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fp.flush()
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posix.ftruncate(fp.fileno(), 0)
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finally:
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fp.close()
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@unittest.skipUnless(hasattr(posix, 'truncate'), "test needs posix.truncate()")
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def test_truncate(self):
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with open(support.TESTFN, 'w') as fp:
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fp.write('test')
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fp.flush()
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posix.truncate(support.TESTFN, 0)
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@unittest.skipUnless(hasattr(posix, 'fexecve'), "test needs posix.fexecve()")
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@unittest.skipUnless(hasattr(os, 'fork'), "test needs os.fork()")
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@unittest.skipUnless(hasattr(os, 'waitpid'), "test needs os.waitpid()")
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def test_fexecve(self):
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fp = os.open(sys.executable, os.O_RDONLY)
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try:
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pid = os.fork()
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if pid == 0:
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os.chdir(os.path.split(sys.executable)[0])
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posix.fexecve(fp, [sys.executable, '-c', 'pass'], os.environ)
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else:
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self.assertEqual(os.waitpid(pid, 0), (pid, 0))
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finally:
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os.close(fp)
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@unittest.skipUnless(hasattr(posix, 'waitid'), "test needs posix.waitid()")
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@unittest.skipUnless(hasattr(os, 'fork'), "test needs os.fork()")
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def test_waitid(self):
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pid = os.fork()
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if pid == 0:
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os.chdir(os.path.split(sys.executable)[0])
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posix.execve(sys.executable, [sys.executable, '-c', 'pass'], os.environ)
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else:
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res = posix.waitid(posix.P_PID, pid, posix.WEXITED)
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self.assertEqual(pid, res.si_pid)
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@unittest.skipUnless(hasattr(posix, 'lockf'), "test needs posix.lockf()")
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def test_lockf(self):
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fd = os.open(support.TESTFN, os.O_WRONLY | os.O_CREAT)
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try:
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os.write(fd, b'test')
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os.lseek(fd, 0, os.SEEK_SET)
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posix.lockf(fd, posix.F_LOCK, 4)
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# section is locked
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posix.lockf(fd, posix.F_ULOCK, 4)
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finally:
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os.close(fd)
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@unittest.skipUnless(hasattr(posix, 'pread'), "test needs posix.pread()")
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def test_pread(self):
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fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT)
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try:
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os.write(fd, b'test')
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os.lseek(fd, 0, os.SEEK_SET)
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self.assertEqual(b'es', posix.pread(fd, 2, 1))
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# the first pread() shoudn't disturb the file offset
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self.assertEqual(b'te', posix.read(fd, 2))
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finally:
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os.close(fd)
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@unittest.skipUnless(hasattr(posix, 'pwrite'), "test needs posix.pwrite()")
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def test_pwrite(self):
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fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT)
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try:
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os.write(fd, b'test')
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os.lseek(fd, 0, os.SEEK_SET)
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posix.pwrite(fd, b'xx', 1)
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self.assertEqual(b'txxt', posix.read(fd, 4))
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finally:
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os.close(fd)
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@unittest.skipUnless(hasattr(posix, 'posix_fallocate'),
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"test needs posix.posix_fallocate()")
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def test_posix_fallocate(self):
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fd = os.open(support.TESTFN, os.O_WRONLY | os.O_CREAT)
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try:
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posix.posix_fallocate(fd, 0, 10)
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except OSError as inst:
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# issue10812, ZFS doesn't appear to support posix_fallocate,
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# so skip Solaris-based since they are likely to have ZFS.
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if inst.errno != errno.EINVAL or not sys.platform.startswith("sunos"):
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raise
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finally:
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os.close(fd)
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@unittest.skipUnless(hasattr(posix, 'posix_fadvise'),
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"test needs posix.posix_fadvise()")
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def test_posix_fadvise(self):
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fd = os.open(support.TESTFN, os.O_RDONLY)
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try:
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posix.posix_fadvise(fd, 0, 0, posix.POSIX_FADV_WILLNEED)
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finally:
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os.close(fd)
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@unittest.skipUnless(hasattr(posix, 'futimes'), "test needs posix.futimes()")
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def test_futimes(self):
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now = time.time()
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fd = os.open(support.TESTFN, os.O_RDONLY)
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try:
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posix.futimes(fd, None)
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self.assertRaises(TypeError, posix.futimes, fd, (None, None))
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self.assertRaises(TypeError, posix.futimes, fd, (now, None))
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self.assertRaises(TypeError, posix.futimes, fd, (None, now))
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posix.futimes(fd, (int(now), int(now)))
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posix.futimes(fd, (now, now))
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finally:
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os.close(fd)
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@unittest.skipUnless(hasattr(posix, 'lutimes'), "test needs posix.lutimes()")
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def test_lutimes(self):
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now = time.time()
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posix.lutimes(support.TESTFN, None)
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self.assertRaises(TypeError, posix.lutimes, support.TESTFN, (None, None))
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self.assertRaises(TypeError, posix.lutimes, support.TESTFN, (now, None))
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self.assertRaises(TypeError, posix.lutimes, support.TESTFN, (None, now))
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posix.lutimes(support.TESTFN, (int(now), int(now)))
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posix.lutimes(support.TESTFN, (now, now))
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@unittest.skipUnless(hasattr(posix, 'futimens'), "test needs posix.futimens()")
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def test_futimens(self):
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now = time.time()
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fd = os.open(support.TESTFN, os.O_RDONLY)
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try:
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self.assertRaises(TypeError, posix.futimens, fd, (None, None), (None, None))
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self.assertRaises(TypeError, posix.futimens, fd, (now, 0), None)
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self.assertRaises(TypeError, posix.futimens, fd, None, (now, 0))
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posix.futimens(fd, (int(now), int((now - int(now)) * 1e9)),
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(int(now), int((now - int(now)) * 1e9)))
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finally:
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os.close(fd)
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@unittest.skipUnless(hasattr(posix, 'writev'), "test needs posix.writev()")
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def test_writev(self):
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fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT)
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try:
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os.writev(fd, (b'test1', b'tt2', b't3'))
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os.lseek(fd, 0, os.SEEK_SET)
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self.assertEqual(b'test1tt2t3', posix.read(fd, 10))
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finally:
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os.close(fd)
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@unittest.skipUnless(hasattr(posix, 'readv'), "test needs posix.readv()")
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def test_readv(self):
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fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT)
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try:
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os.write(fd, b'test1tt2t3')
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os.lseek(fd, 0, os.SEEK_SET)
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buf = [bytearray(i) for i in [5, 3, 2]]
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self.assertEqual(posix.readv(fd, buf), 10)
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self.assertEqual([b'test1', b'tt2', b't3'], [bytes(i) for i in buf])
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finally:
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os.close(fd)
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def test_dup(self):
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if hasattr(posix, 'dup'):
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fp = open(support.TESTFN)
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try:
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fd = posix.dup(fp.fileno())
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self.assertIsInstance(fd, int)
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os.close(fd)
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finally:
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fp.close()
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def test_confstr(self):
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if hasattr(posix, 'confstr'):
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self.assertRaises(ValueError, posix.confstr, "CS_garbage")
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self.assertEqual(len(posix.confstr("CS_PATH")) > 0, True)
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def test_dup2(self):
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if hasattr(posix, 'dup2'):
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fp1 = open(support.TESTFN)
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fp2 = open(support.TESTFN)
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try:
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posix.dup2(fp1.fileno(), fp2.fileno())
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finally:
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fp1.close()
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fp2.close()
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@unittest.skipUnless(hasattr(os, 'O_CLOEXEC'), "needs os.O_CLOEXEC")
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def test_oscloexec(self):
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version = support.linux_version()
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if sys.platform == 'linux2' and version < (2, 6, 23):
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self.skipTest("Linux kernel 2.6.23 or higher required, "
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"not %s.%s.%s" % version)
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fd = os.open(support.TESTFN, os.O_RDONLY|os.O_CLOEXEC)
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self.addCleanup(os.close, fd)
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self.assertTrue(fcntl.fcntl(fd, fcntl.F_GETFD) & fcntl.FD_CLOEXEC)
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def test_osexlock(self):
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if hasattr(posix, "O_EXLOCK"):
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fd = os.open(support.TESTFN,
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os.O_WRONLY|os.O_EXLOCK|os.O_CREAT)
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self.assertRaises(OSError, os.open, support.TESTFN,
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os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK)
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os.close(fd)
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if hasattr(posix, "O_SHLOCK"):
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fd = os.open(support.TESTFN,
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os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
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self.assertRaises(OSError, os.open, support.TESTFN,
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os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK)
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os.close(fd)
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def test_osshlock(self):
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if hasattr(posix, "O_SHLOCK"):
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fd1 = os.open(support.TESTFN,
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os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
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fd2 = os.open(support.TESTFN,
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os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
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os.close(fd2)
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os.close(fd1)
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if hasattr(posix, "O_EXLOCK"):
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fd = os.open(support.TESTFN,
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os.O_WRONLY|os.O_SHLOCK|os.O_CREAT)
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self.assertRaises(OSError, os.open, support.TESTFN,
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os.O_RDONLY|os.O_EXLOCK|os.O_NONBLOCK)
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os.close(fd)
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def test_fstat(self):
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if hasattr(posix, 'fstat'):
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fp = open(support.TESTFN)
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try:
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self.assertTrue(posix.fstat(fp.fileno()))
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finally:
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fp.close()
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def test_stat(self):
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if hasattr(posix, 'stat'):
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self.assertTrue(posix.stat(support.TESTFN))
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@unittest.skipUnless(hasattr(posix, 'mkfifo'), "don't have mkfifo()")
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def test_mkfifo(self):
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support.unlink(support.TESTFN)
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posix.mkfifo(support.TESTFN, stat.S_IRUSR | stat.S_IWUSR)
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self.assertTrue(stat.S_ISFIFO(posix.stat(support.TESTFN).st_mode))
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@unittest.skipUnless(hasattr(posix, 'mknod') and hasattr(stat, 'S_IFIFO'),
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"don't have mknod()/S_IFIFO")
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def test_mknod(self):
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# Test using mknod() to create a FIFO (the only use specified
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# by POSIX).
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support.unlink(support.TESTFN)
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mode = stat.S_IFIFO | stat.S_IRUSR | stat.S_IWUSR
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try:
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posix.mknod(support.TESTFN, mode, 0)
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except OSError as e:
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# Some old systems don't allow unprivileged users to use
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# mknod(), or only support creating device nodes.
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self.assertIn(e.errno, (errno.EPERM, errno.EINVAL))
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else:
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self.assertTrue(stat.S_ISFIFO(posix.stat(support.TESTFN).st_mode))
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def _test_all_chown_common(self, chown_func, first_param):
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"""Common code for chown, fchown and lchown tests."""
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if os.getuid() == 0:
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try:
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# Many linux distros have a nfsnobody user as MAX_UID-2
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# that makes a good test case for signedness issues.
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# http://bugs.python.org/issue1747858
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# This part of the test only runs when run as root.
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# Only scary people run their tests as root.
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ent = pwd.getpwnam('nfsnobody')
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chown_func(first_param, ent.pw_uid, ent.pw_gid)
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except KeyError:
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pass
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else:
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# non-root cannot chown to root, raises OSError
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self.assertRaises(OSError, chown_func,
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first_param, 0, 0)
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# test a successful chown call
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chown_func(first_param, os.getuid(), os.getgid())
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@unittest.skipUnless(hasattr(posix, 'chown'), "test needs os.chown()")
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def test_chown(self):
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# raise an OSError if the file does not exist
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os.unlink(support.TESTFN)
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self.assertRaises(OSError, posix.chown, support.TESTFN, -1, -1)
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# re-create the file
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open(support.TESTFN, 'w').close()
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self._test_all_chown_common(posix.chown, support.TESTFN)
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@unittest.skipUnless(hasattr(posix, 'fchown'), "test needs os.fchown()")
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def test_fchown(self):
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os.unlink(support.TESTFN)
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# re-create the file
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test_file = open(support.TESTFN, 'w')
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try:
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fd = test_file.fileno()
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self._test_all_chown_common(posix.fchown, fd)
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finally:
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test_file.close()
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@unittest.skipUnless(hasattr(posix, 'lchown'), "test needs os.lchown()")
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def test_lchown(self):
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os.unlink(support.TESTFN)
|
|
# create a symlink
|
|
os.symlink('/tmp/dummy-symlink-target', support.TESTFN)
|
|
self._test_all_chown_common(posix.lchown, support.TESTFN)
|
|
|
|
def test_chdir(self):
|
|
if hasattr(posix, 'chdir'):
|
|
posix.chdir(os.curdir)
|
|
self.assertRaises(OSError, posix.chdir, support.TESTFN)
|
|
|
|
def test_listdir(self):
|
|
if hasattr(posix, 'listdir'):
|
|
self.assertTrue(support.TESTFN in posix.listdir(os.curdir))
|
|
|
|
def test_listdir_default(self):
|
|
# When listdir is called without argument, it's the same as listdir(os.curdir)
|
|
if hasattr(posix, 'listdir'):
|
|
self.assertTrue(support.TESTFN in posix.listdir())
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'fdlistdir'), "test needs posix.fdlistdir()")
|
|
def test_fdlistdir(self):
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
self.assertEqual(
|
|
sorted(posix.listdir('.')),
|
|
sorted(posix.fdlistdir(f))
|
|
)
|
|
# Check the fd was closed by fdlistdir
|
|
with self.assertRaises(OSError) as ctx:
|
|
posix.close(f)
|
|
self.assertEqual(ctx.exception.errno, errno.EBADF)
|
|
|
|
def test_access(self):
|
|
if hasattr(posix, 'access'):
|
|
self.assertTrue(posix.access(support.TESTFN, os.R_OK))
|
|
|
|
def test_umask(self):
|
|
if hasattr(posix, 'umask'):
|
|
old_mask = posix.umask(0)
|
|
self.assertIsInstance(old_mask, int)
|
|
posix.umask(old_mask)
|
|
|
|
def test_strerror(self):
|
|
if hasattr(posix, 'strerror'):
|
|
self.assertTrue(posix.strerror(0))
|
|
|
|
def test_pipe(self):
|
|
if hasattr(posix, 'pipe'):
|
|
reader, writer = posix.pipe()
|
|
os.close(reader)
|
|
os.close(writer)
|
|
|
|
@unittest.skipUnless(hasattr(os, 'pipe2'), "test needs os.pipe2()")
|
|
def test_pipe2(self):
|
|
version = support.linux_version()
|
|
if sys.platform == 'linux2' and version < (2, 6, 27):
|
|
self.skipTest("Linux kernel 2.6.27 or higher required, "
|
|
"not %s.%s.%s" % version)
|
|
self.assertRaises(TypeError, os.pipe2, 'DEADBEEF')
|
|
self.assertRaises(TypeError, os.pipe2, 0, 0)
|
|
|
|
# try calling without flag, like os.pipe()
|
|
r, w = os.pipe2()
|
|
os.close(r)
|
|
os.close(w)
|
|
|
|
# test flags
|
|
r, w = os.pipe2(os.O_CLOEXEC|os.O_NONBLOCK)
|
|
self.addCleanup(os.close, r)
|
|
self.addCleanup(os.close, w)
|
|
self.assertTrue(fcntl.fcntl(r, fcntl.F_GETFD) & fcntl.FD_CLOEXEC)
|
|
self.assertTrue(fcntl.fcntl(w, fcntl.F_GETFD) & fcntl.FD_CLOEXEC)
|
|
# try reading from an empty pipe: this should fail, not block
|
|
self.assertRaises(OSError, os.read, r, 1)
|
|
# try a write big enough to fill-up the pipe: this should either
|
|
# fail or perform a partial write, not block
|
|
try:
|
|
os.write(w, b'x' * support.PIPE_MAX_SIZE)
|
|
except OSError:
|
|
pass
|
|
|
|
def test_utime(self):
|
|
if hasattr(posix, 'utime'):
|
|
now = time.time()
|
|
posix.utime(support.TESTFN, None)
|
|
self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, None))
|
|
self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, None))
|
|
self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, now))
|
|
posix.utime(support.TESTFN, (int(now), int(now)))
|
|
posix.utime(support.TESTFN, (now, now))
|
|
|
|
def test_chflags(self):
|
|
if hasattr(posix, 'chflags'):
|
|
st = os.stat(support.TESTFN)
|
|
if hasattr(st, 'st_flags'):
|
|
posix.chflags(support.TESTFN, st.st_flags)
|
|
|
|
def test_lchflags(self):
|
|
if hasattr(posix, 'lchflags'):
|
|
st = os.stat(support.TESTFN)
|
|
if hasattr(st, 'st_flags'):
|
|
posix.lchflags(support.TESTFN, st.st_flags)
|
|
|
|
def test_environ(self):
|
|
if os.name == "nt":
|
|
item_type = str
|
|
else:
|
|
item_type = bytes
|
|
for k, v in posix.environ.items():
|
|
self.assertEqual(type(k), item_type)
|
|
self.assertEqual(type(v), item_type)
|
|
|
|
def test_getcwd_long_pathnames(self):
|
|
if hasattr(posix, 'getcwd'):
|
|
dirname = 'getcwd-test-directory-0123456789abcdef-01234567890abcdef'
|
|
curdir = os.getcwd()
|
|
base_path = os.path.abspath(support.TESTFN) + '.getcwd'
|
|
|
|
try:
|
|
os.mkdir(base_path)
|
|
os.chdir(base_path)
|
|
except:
|
|
# Just returning nothing instead of the SkipTest exception,
|
|
# because the test results in Error in that case.
|
|
# Is that ok?
|
|
# raise unittest.SkipTest("cannot create directory for testing")
|
|
return
|
|
|
|
def _create_and_do_getcwd(dirname, current_path_length = 0):
|
|
try:
|
|
os.mkdir(dirname)
|
|
except:
|
|
raise unittest.SkipTest("mkdir cannot create directory sufficiently deep for getcwd test")
|
|
|
|
os.chdir(dirname)
|
|
try:
|
|
os.getcwd()
|
|
if current_path_length < 1027:
|
|
_create_and_do_getcwd(dirname, current_path_length + len(dirname) + 1)
|
|
finally:
|
|
os.chdir('..')
|
|
os.rmdir(dirname)
|
|
|
|
_create_and_do_getcwd(dirname)
|
|
|
|
finally:
|
|
os.chdir(curdir)
|
|
support.rmtree(base_path)
|
|
|
|
@unittest.skipUnless(hasattr(os, 'getegid'), "test needs os.getegid()")
|
|
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'")
|
|
|
|
# 'id -G' and 'os.getgroups()' should return the same
|
|
# groups, ignoring order and duplicates.
|
|
# #10822 - it is implementation defined whether posix.getgroups()
|
|
# includes the effective gid so we include it anyway, since id -G does
|
|
self.assertEqual(
|
|
set([int(x) for x in groups.split()]),
|
|
set(posix.getgroups() + [posix.getegid()]))
|
|
|
|
# tests for the posix *at functions follow
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'faccessat'), "test needs posix.faccessat()")
|
|
def test_faccessat(self):
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
self.assertTrue(posix.faccessat(f, support.TESTFN, os.R_OK))
|
|
finally:
|
|
posix.close(f)
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'fchmodat'), "test needs posix.fchmodat()")
|
|
def test_fchmodat(self):
|
|
os.chmod(support.TESTFN, stat.S_IRUSR)
|
|
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
posix.fchmodat(f, support.TESTFN, stat.S_IRUSR | stat.S_IWUSR)
|
|
|
|
s = posix.stat(support.TESTFN)
|
|
self.assertEqual(s[0] & stat.S_IRWXU, stat.S_IRUSR | stat.S_IWUSR)
|
|
finally:
|
|
posix.close(f)
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'fchownat'), "test needs posix.fchownat()")
|
|
def test_fchownat(self):
|
|
support.unlink(support.TESTFN)
|
|
open(support.TESTFN, 'w').close()
|
|
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
posix.fchownat(f, support.TESTFN, os.getuid(), os.getgid())
|
|
finally:
|
|
posix.close(f)
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'fstatat'), "test needs posix.fstatat()")
|
|
def test_fstatat(self):
|
|
support.unlink(support.TESTFN)
|
|
with open(support.TESTFN, 'w') as outfile:
|
|
outfile.write("testline\n")
|
|
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
s1 = posix.stat(support.TESTFN)
|
|
s2 = posix.fstatat(f, support.TESTFN)
|
|
self.assertEqual(s1, s2)
|
|
finally:
|
|
posix.close(f)
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'futimesat'), "test needs posix.futimesat()")
|
|
def test_futimesat(self):
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
now = time.time()
|
|
posix.futimesat(f, support.TESTFN, None)
|
|
self.assertRaises(TypeError, posix.futimesat, f, support.TESTFN, (None, None))
|
|
self.assertRaises(TypeError, posix.futimesat, f, support.TESTFN, (now, None))
|
|
self.assertRaises(TypeError, posix.futimesat, f, support.TESTFN, (None, now))
|
|
posix.futimesat(f, support.TESTFN, (int(now), int(now)))
|
|
posix.futimesat(f, support.TESTFN, (now, now))
|
|
finally:
|
|
posix.close(f)
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'linkat'), "test needs posix.linkat()")
|
|
def test_linkat(self):
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
posix.linkat(f, support.TESTFN, f, support.TESTFN + 'link')
|
|
# should have same inodes
|
|
self.assertEqual(posix.stat(support.TESTFN)[1],
|
|
posix.stat(support.TESTFN + 'link')[1])
|
|
finally:
|
|
posix.close(f)
|
|
support.unlink(support.TESTFN + 'link')
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'mkdirat'), "test needs posix.mkdirat()")
|
|
def test_mkdirat(self):
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
posix.mkdirat(f, support.TESTFN + 'dir')
|
|
posix.stat(support.TESTFN + 'dir') # should not raise exception
|
|
finally:
|
|
posix.close(f)
|
|
support.rmtree(support.TESTFN + 'dir')
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'mknodat') and hasattr(stat, 'S_IFIFO'),
|
|
"don't have mknodat()/S_IFIFO")
|
|
def test_mknodat(self):
|
|
# Test using mknodat() to create a FIFO (the only use specified
|
|
# by POSIX).
|
|
support.unlink(support.TESTFN)
|
|
mode = stat.S_IFIFO | stat.S_IRUSR | stat.S_IWUSR
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
posix.mknodat(f, support.TESTFN, mode, 0)
|
|
except OSError as e:
|
|
# Some old systems don't allow unprivileged users to use
|
|
# mknod(), or only support creating device nodes.
|
|
self.assertIn(e.errno, (errno.EPERM, errno.EINVAL))
|
|
else:
|
|
self.assertTrue(stat.S_ISFIFO(posix.stat(support.TESTFN).st_mode))
|
|
finally:
|
|
posix.close(f)
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'openat'), "test needs posix.openat()")
|
|
def test_openat(self):
|
|
support.unlink(support.TESTFN)
|
|
with open(support.TESTFN, 'w') as outfile:
|
|
outfile.write("testline\n")
|
|
a = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
b = posix.openat(a, support.TESTFN, posix.O_RDONLY)
|
|
try:
|
|
res = posix.read(b, 9).decode(encoding="utf-8")
|
|
self.assertEqual("testline\n", res)
|
|
finally:
|
|
posix.close(a)
|
|
posix.close(b)
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'readlinkat'), "test needs posix.readlinkat()")
|
|
def test_readlinkat(self):
|
|
os.symlink(support.TESTFN, support.TESTFN + 'link')
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
self.assertEqual(posix.readlink(support.TESTFN + 'link'),
|
|
posix.readlinkat(f, support.TESTFN + 'link'))
|
|
finally:
|
|
support.unlink(support.TESTFN + 'link')
|
|
posix.close(f)
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'renameat'), "test needs posix.renameat()")
|
|
def test_renameat(self):
|
|
support.unlink(support.TESTFN)
|
|
open(support.TESTFN + 'ren', 'w').close()
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
posix.renameat(f, support.TESTFN + 'ren', f, support.TESTFN)
|
|
except:
|
|
posix.rename(support.TESTFN + 'ren', support.TESTFN)
|
|
raise
|
|
else:
|
|
posix.stat(support.TESTFN) # should not throw exception
|
|
finally:
|
|
posix.close(f)
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'symlinkat'), "test needs posix.symlinkat()")
|
|
def test_symlinkat(self):
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
posix.symlinkat(support.TESTFN, f, support.TESTFN + 'link')
|
|
self.assertEqual(posix.readlink(support.TESTFN + 'link'), support.TESTFN)
|
|
finally:
|
|
posix.close(f)
|
|
support.unlink(support.TESTFN + 'link')
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'unlinkat'), "test needs posix.unlinkat()")
|
|
def test_unlinkat(self):
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
open(support.TESTFN + 'del', 'w').close()
|
|
posix.stat(support.TESTFN + 'del') # should not throw exception
|
|
try:
|
|
posix.unlinkat(f, support.TESTFN + 'del')
|
|
except:
|
|
support.unlink(support.TESTFN + 'del')
|
|
raise
|
|
else:
|
|
self.assertRaises(OSError, posix.stat, support.TESTFN + 'link')
|
|
finally:
|
|
posix.close(f)
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'utimensat'), "test needs posix.utimensat()")
|
|
def test_utimensat(self):
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
now = time.time()
|
|
posix.utimensat(f, support.TESTFN, None, None)
|
|
self.assertRaises(TypeError, posix.utimensat, f, support.TESTFN, (None, None), (None, None))
|
|
self.assertRaises(TypeError, posix.utimensat, f, support.TESTFN, (now, 0), None)
|
|
self.assertRaises(TypeError, posix.utimensat, f, support.TESTFN, None, (now, 0))
|
|
posix.utimensat(f, support.TESTFN, (int(now), int((now - int(now)) * 1e9)),
|
|
(int(now), int((now - int(now)) * 1e9)))
|
|
finally:
|
|
posix.close(f)
|
|
|
|
@unittest.skipUnless(hasattr(posix, 'mkfifoat'), "don't have mkfifoat()")
|
|
def test_mkfifoat(self):
|
|
support.unlink(support.TESTFN)
|
|
f = posix.open(posix.getcwd(), posix.O_RDONLY)
|
|
try:
|
|
posix.mkfifoat(f, support.TESTFN, stat.S_IRUSR | stat.S_IWUSR)
|
|
self.assertTrue(stat.S_ISFIFO(posix.stat(support.TESTFN).st_mode))
|
|
finally:
|
|
posix.close(f)
|
|
|
|
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
|
|
|
|
g = max(self.saved_groups) + 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], list(range(16))]:
|
|
posix.setgroups(groups)
|
|
self.assertListEqual(groups, posix.getgroups())
|
|
|
|
|
|
def test_main():
|
|
try:
|
|
support.run_unittest(PosixTester, PosixGroupsTester)
|
|
finally:
|
|
support.reap_children()
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|