diff options
Diffstat (limited to 'Lib/test/test_posix.py')
| -rw-r--r-- | Lib/test/test_posix.py | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py index 45b3afc..2fb8200 100644 --- a/Lib/test/test_posix.py +++ b/Lib/test/test_posix.py @@ -389,6 +389,198 @@ class PosixTester(unittest.TestCase): 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): |