Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 1 | "Test posix functions" |
| 2 | |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 3 | from test import support |
Antoine Pitrou | 346cbd3 | 2017-05-27 17:50:54 +0200 | [diff] [blame] | 4 | from test.support.script_helper import assert_python_ok |
R. David Murray | eb3615d | 2009-04-22 02:24:39 +0000 | [diff] [blame] | 5 | |
| 6 | # Skip these tests if there is no posix module. |
| 7 | posix = support.import_module('posix') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 8 | |
Antoine Pitrou | b7572f0 | 2009-12-02 20:46:48 +0000 | [diff] [blame] | 9 | import errno |
Ronald Oussoren | b6ee4f5 | 2010-07-23 13:53:51 +0000 | [diff] [blame] | 10 | import sys |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 11 | import signal |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 12 | import time |
| 13 | import os |
Charles-François Natali | ab2d58e | 2012-04-17 19:48:35 +0200 | [diff] [blame] | 14 | import platform |
Christian Heimes | d5e2b6f | 2008-03-19 21:50:51 +0000 | [diff] [blame] | 15 | import pwd |
Benjamin Peterson | 052a02b | 2010-08-17 01:27:09 +0000 | [diff] [blame] | 16 | import stat |
Ned Deily | ba2eab2 | 2011-07-26 13:53:55 -0700 | [diff] [blame] | 17 | import tempfile |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 18 | import unittest |
| 19 | import warnings |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 20 | import textwrap |
R. David Murray | a21e4ca | 2009-03-31 23:16:50 +0000 | [diff] [blame] | 21 | |
Ned Deily | ba2eab2 | 2011-07-26 13:53:55 -0700 | [diff] [blame] | 22 | _DUMMY_SYMLINK = os.path.join(tempfile.gettempdir(), |
| 23 | support.TESTFN + '-dummy-symlink') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 24 | |
Serhiy Storchaka | 9d57273 | 2018-07-31 10:24:54 +0300 | [diff] [blame] | 25 | requires_32b = unittest.skipUnless(sys.maxsize < 2**32, |
| 26 | 'test is only meaningful on 32-bit builds') |
| 27 | |
Benjamin Peterson | c704222 | 2018-09-12 15:12:24 -0700 | [diff] [blame] | 28 | def _supports_sched(): |
| 29 | if not hasattr(posix, 'sched_getscheduler'): |
| 30 | return False |
| 31 | try: |
| 32 | posix.sched_getscheduler(0) |
| 33 | except OSError as e: |
| 34 | if e.errno == errno.ENOSYS: |
| 35 | return False |
| 36 | return True |
| 37 | |
| 38 | requires_sched = unittest.skipUnless(_supports_sched(), 'requires POSIX scheduler API') |
| 39 | |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 40 | class PosixTester(unittest.TestCase): |
| 41 | |
| 42 | def setUp(self): |
| 43 | # create empty file |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 44 | fp = open(support.TESTFN, 'w+') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 45 | fp.close() |
Ned Deily | 3eb67d5 | 2011-06-28 00:00:28 -0700 | [diff] [blame] | 46 | self.teardown_files = [ support.TESTFN ] |
Brett Cannon | c8d502e | 2010-03-20 21:53:28 +0000 | [diff] [blame] | 47 | self._warnings_manager = support.check_warnings() |
| 48 | self._warnings_manager.__enter__() |
| 49 | warnings.filterwarnings('ignore', '.* potential security risk .*', |
| 50 | RuntimeWarning) |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 51 | |
| 52 | def tearDown(self): |
Ned Deily | 3eb67d5 | 2011-06-28 00:00:28 -0700 | [diff] [blame] | 53 | for teardown_file in self.teardown_files: |
| 54 | support.unlink(teardown_file) |
Brett Cannon | c8d502e | 2010-03-20 21:53:28 +0000 | [diff] [blame] | 55 | self._warnings_manager.__exit__(None, None, None) |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 56 | |
| 57 | def testNoArgFunctions(self): |
| 58 | # test posix functions which take no arguments and have |
| 59 | # no side-effects which we need to cleanup (e.g., fork, wait, abort) |
Guido van Rossum | f0af3e3 | 2008-10-02 18:55:37 +0000 | [diff] [blame] | 60 | NO_ARG_FUNCTIONS = [ "ctermid", "getcwd", "getcwdb", "uname", |
Guido van Rossum | 687b9c0 | 2007-10-25 23:18:51 +0000 | [diff] [blame] | 61 | "times", "getloadavg", |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 62 | "getegid", "geteuid", "getgid", "getgroups", |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 63 | "getpid", "getpgrp", "getppid", "getuid", "sync", |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 64 | ] |
Neal Norwitz | 71b13e8 | 2003-02-23 22:12:24 +0000 | [diff] [blame] | 65 | |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 66 | for name in NO_ARG_FUNCTIONS: |
| 67 | posix_func = getattr(posix, name, None) |
| 68 | if posix_func is not None: |
| 69 | posix_func() |
Neal Norwitz | 2ff51a8 | 2003-02-17 22:40:31 +0000 | [diff] [blame] | 70 | self.assertRaises(TypeError, posix_func, 1) |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 71 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 72 | @unittest.skipUnless(hasattr(posix, 'getresuid'), |
| 73 | 'test needs posix.getresuid()') |
| 74 | def test_getresuid(self): |
| 75 | user_ids = posix.getresuid() |
| 76 | self.assertEqual(len(user_ids), 3) |
| 77 | for val in user_ids: |
| 78 | self.assertGreaterEqual(val, 0) |
Martin v. Löwis | 7aed61a | 2009-11-27 14:09:49 +0000 | [diff] [blame] | 79 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 80 | @unittest.skipUnless(hasattr(posix, 'getresgid'), |
| 81 | 'test needs posix.getresgid()') |
| 82 | def test_getresgid(self): |
| 83 | group_ids = posix.getresgid() |
| 84 | self.assertEqual(len(group_ids), 3) |
| 85 | for val in group_ids: |
| 86 | self.assertGreaterEqual(val, 0) |
Martin v. Löwis | 7aed61a | 2009-11-27 14:09:49 +0000 | [diff] [blame] | 87 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 88 | @unittest.skipUnless(hasattr(posix, 'setresuid'), |
| 89 | 'test needs posix.setresuid()') |
| 90 | def test_setresuid(self): |
| 91 | current_user_ids = posix.getresuid() |
| 92 | self.assertIsNone(posix.setresuid(*current_user_ids)) |
| 93 | # -1 means don't change that value. |
| 94 | self.assertIsNone(posix.setresuid(-1, -1, -1)) |
Martin v. Löwis | 7aed61a | 2009-11-27 14:09:49 +0000 | [diff] [blame] | 95 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 96 | @unittest.skipUnless(hasattr(posix, 'setresuid'), |
| 97 | 'test needs posix.setresuid()') |
| 98 | def test_setresuid_exception(self): |
| 99 | # Don't do this test if someone is silly enough to run us as root. |
| 100 | current_user_ids = posix.getresuid() |
| 101 | if 0 not in current_user_ids: |
| 102 | new_user_ids = (current_user_ids[0]+1, -1, -1) |
| 103 | self.assertRaises(OSError, posix.setresuid, *new_user_ids) |
Martin v. Löwis | 7aed61a | 2009-11-27 14:09:49 +0000 | [diff] [blame] | 104 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 105 | @unittest.skipUnless(hasattr(posix, 'setresgid'), |
| 106 | 'test needs posix.setresgid()') |
| 107 | def test_setresgid(self): |
| 108 | current_group_ids = posix.getresgid() |
| 109 | self.assertIsNone(posix.setresgid(*current_group_ids)) |
| 110 | # -1 means don't change that value. |
| 111 | self.assertIsNone(posix.setresgid(-1, -1, -1)) |
Martin v. Löwis | 7aed61a | 2009-11-27 14:09:49 +0000 | [diff] [blame] | 112 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 113 | @unittest.skipUnless(hasattr(posix, 'setresgid'), |
| 114 | 'test needs posix.setresgid()') |
| 115 | def test_setresgid_exception(self): |
| 116 | # Don't do this test if someone is silly enough to run us as root. |
| 117 | current_group_ids = posix.getresgid() |
| 118 | if 0 not in current_group_ids: |
| 119 | new_group_ids = (current_group_ids[0]+1, -1, -1) |
| 120 | self.assertRaises(OSError, posix.setresgid, *new_group_ids) |
Martin v. Löwis | 7aed61a | 2009-11-27 14:09:49 +0000 | [diff] [blame] | 121 | |
Antoine Pitrou | b7572f0 | 2009-12-02 20:46:48 +0000 | [diff] [blame] | 122 | @unittest.skipUnless(hasattr(posix, 'initgroups'), |
| 123 | "test needs os.initgroups()") |
| 124 | def test_initgroups(self): |
| 125 | # It takes a string and an integer; check that it raises a TypeError |
| 126 | # for other argument lists. |
| 127 | self.assertRaises(TypeError, posix.initgroups) |
| 128 | self.assertRaises(TypeError, posix.initgroups, None) |
| 129 | self.assertRaises(TypeError, posix.initgroups, 3, "foo") |
| 130 | self.assertRaises(TypeError, posix.initgroups, "foo", 3, object()) |
| 131 | |
| 132 | # If a non-privileged user invokes it, it should fail with OSError |
| 133 | # EPERM. |
| 134 | if os.getuid() != 0: |
Charles-François Natali | e8a255a | 2012-05-02 20:01:38 +0200 | [diff] [blame] | 135 | try: |
| 136 | name = pwd.getpwuid(posix.getuid()).pw_name |
| 137 | except KeyError: |
| 138 | # the current UID may not have a pwd entry |
| 139 | raise unittest.SkipTest("need a pwd entry") |
Antoine Pitrou | b7572f0 | 2009-12-02 20:46:48 +0000 | [diff] [blame] | 140 | try: |
| 141 | posix.initgroups(name, 13) |
| 142 | except OSError as e: |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 143 | self.assertEqual(e.errno, errno.EPERM) |
Antoine Pitrou | b7572f0 | 2009-12-02 20:46:48 +0000 | [diff] [blame] | 144 | else: |
| 145 | self.fail("Expected OSError to be raised by initgroups") |
| 146 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 147 | @unittest.skipUnless(hasattr(posix, 'statvfs'), |
| 148 | 'test needs posix.statvfs()') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 149 | def test_statvfs(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 150 | self.assertTrue(posix.statvfs(os.curdir)) |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 151 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 152 | @unittest.skipUnless(hasattr(posix, 'fstatvfs'), |
| 153 | 'test needs posix.fstatvfs()') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 154 | def test_fstatvfs(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 155 | fp = open(support.TESTFN) |
| 156 | try: |
| 157 | self.assertTrue(posix.fstatvfs(fp.fileno())) |
| 158 | self.assertTrue(posix.statvfs(fp.fileno())) |
| 159 | finally: |
| 160 | fp.close() |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 161 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 162 | @unittest.skipUnless(hasattr(posix, 'ftruncate'), |
| 163 | 'test needs posix.ftruncate()') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 164 | def test_ftruncate(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 165 | fp = open(support.TESTFN, 'w+') |
| 166 | try: |
| 167 | # we need to have some data to truncate |
| 168 | fp.write('test') |
| 169 | fp.flush() |
| 170 | posix.ftruncate(fp.fileno(), 0) |
| 171 | finally: |
| 172 | fp.close() |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 173 | |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 174 | @unittest.skipUnless(hasattr(posix, 'truncate'), "test needs posix.truncate()") |
| 175 | def test_truncate(self): |
| 176 | with open(support.TESTFN, 'w') as fp: |
| 177 | fp.write('test') |
| 178 | fp.flush() |
| 179 | posix.truncate(support.TESTFN, 0) |
| 180 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 181 | @unittest.skipUnless(getattr(os, 'execve', None) in os.supports_fd, "test needs execve() to support the fd parameter") |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 182 | @unittest.skipUnless(hasattr(os, 'fork'), "test needs os.fork()") |
Ross Lagerwall | dedf6cf | 2011-03-20 18:27:05 +0200 | [diff] [blame] | 183 | @unittest.skipUnless(hasattr(os, 'waitpid'), "test needs os.waitpid()") |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 184 | def test_fexecve(self): |
| 185 | fp = os.open(sys.executable, os.O_RDONLY) |
| 186 | try: |
| 187 | pid = os.fork() |
| 188 | if pid == 0: |
| 189 | os.chdir(os.path.split(sys.executable)[0]) |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 190 | posix.execve(fp, [sys.executable, '-c', 'pass'], os.environ) |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 191 | else: |
Ross Lagerwall | dedf6cf | 2011-03-20 18:27:05 +0200 | [diff] [blame] | 192 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 193 | finally: |
| 194 | os.close(fp) |
| 195 | |
Pablo Galindo | 6c6ddf9 | 2018-01-29 01:56:10 +0000 | [diff] [blame] | 196 | |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 197 | @unittest.skipUnless(hasattr(posix, 'waitid'), "test needs posix.waitid()") |
| 198 | @unittest.skipUnless(hasattr(os, 'fork'), "test needs os.fork()") |
| 199 | def test_waitid(self): |
| 200 | pid = os.fork() |
| 201 | if pid == 0: |
| 202 | os.chdir(os.path.split(sys.executable)[0]) |
| 203 | posix.execve(sys.executable, [sys.executable, '-c', 'pass'], os.environ) |
| 204 | else: |
| 205 | res = posix.waitid(posix.P_PID, pid, posix.WEXITED) |
| 206 | self.assertEqual(pid, res.si_pid) |
| 207 | |
Antoine Pitrou | 346cbd3 | 2017-05-27 17:50:54 +0200 | [diff] [blame] | 208 | @unittest.skipUnless(hasattr(os, 'fork'), "test needs os.fork()") |
Gregory P. Smith | 163468a | 2017-05-29 10:03:41 -0700 | [diff] [blame] | 209 | def test_register_at_fork(self): |
| 210 | with self.assertRaises(TypeError, msg="Positional args not allowed"): |
| 211 | os.register_at_fork(lambda: None) |
| 212 | with self.assertRaises(TypeError, msg="Args must be callable"): |
| 213 | os.register_at_fork(before=2) |
| 214 | with self.assertRaises(TypeError, msg="Args must be callable"): |
| 215 | os.register_at_fork(after_in_child="three") |
| 216 | with self.assertRaises(TypeError, msg="Args must be callable"): |
| 217 | os.register_at_fork(after_in_parent=b"Five") |
| 218 | with self.assertRaises(TypeError, msg="Args must not be None"): |
| 219 | os.register_at_fork(before=None) |
| 220 | with self.assertRaises(TypeError, msg="Args must not be None"): |
| 221 | os.register_at_fork(after_in_child=None) |
| 222 | with self.assertRaises(TypeError, msg="Args must not be None"): |
| 223 | os.register_at_fork(after_in_parent=None) |
| 224 | with self.assertRaises(TypeError, msg="Invalid arg was allowed"): |
| 225 | # Ensure a combination of valid and invalid is an error. |
| 226 | os.register_at_fork(before=None, after_in_parent=lambda: 3) |
| 227 | with self.assertRaises(TypeError, msg="Invalid arg was allowed"): |
| 228 | # Ensure a combination of valid and invalid is an error. |
| 229 | os.register_at_fork(before=lambda: None, after_in_child='') |
| 230 | # We test actual registrations in their own process so as not to |
| 231 | # pollute this one. There is no way to unregister for cleanup. |
Antoine Pitrou | 346cbd3 | 2017-05-27 17:50:54 +0200 | [diff] [blame] | 232 | code = """if 1: |
| 233 | import os |
| 234 | |
| 235 | r, w = os.pipe() |
| 236 | fin_r, fin_w = os.pipe() |
| 237 | |
Gregory P. Smith | 163468a | 2017-05-29 10:03:41 -0700 | [diff] [blame] | 238 | os.register_at_fork(before=lambda: os.write(w, b'A')) |
| 239 | os.register_at_fork(after_in_parent=lambda: os.write(w, b'C')) |
| 240 | os.register_at_fork(after_in_child=lambda: os.write(w, b'E')) |
| 241 | os.register_at_fork(before=lambda: os.write(w, b'B'), |
| 242 | after_in_parent=lambda: os.write(w, b'D'), |
| 243 | after_in_child=lambda: os.write(w, b'F')) |
Antoine Pitrou | 346cbd3 | 2017-05-27 17:50:54 +0200 | [diff] [blame] | 244 | |
| 245 | pid = os.fork() |
| 246 | if pid == 0: |
| 247 | # At this point, after-forkers have already been executed |
| 248 | os.close(w) |
| 249 | # Wait for parent to tell us to exit |
| 250 | os.read(fin_r, 1) |
| 251 | os._exit(0) |
| 252 | else: |
| 253 | try: |
| 254 | os.close(w) |
| 255 | with open(r, "rb") as f: |
| 256 | data = f.read() |
| 257 | assert len(data) == 6, data |
| 258 | # Check before-fork callbacks |
| 259 | assert data[:2] == b'BA', data |
| 260 | # Check after-fork callbacks |
| 261 | assert sorted(data[2:]) == list(b'CDEF'), data |
| 262 | assert data.index(b'C') < data.index(b'D'), data |
| 263 | assert data.index(b'E') < data.index(b'F'), data |
| 264 | finally: |
| 265 | os.write(fin_w, b'!') |
| 266 | """ |
| 267 | assert_python_ok('-c', code) |
| 268 | |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 269 | @unittest.skipUnless(hasattr(posix, 'lockf'), "test needs posix.lockf()") |
| 270 | def test_lockf(self): |
| 271 | fd = os.open(support.TESTFN, os.O_WRONLY | os.O_CREAT) |
| 272 | try: |
| 273 | os.write(fd, b'test') |
| 274 | os.lseek(fd, 0, os.SEEK_SET) |
| 275 | posix.lockf(fd, posix.F_LOCK, 4) |
| 276 | # section is locked |
| 277 | posix.lockf(fd, posix.F_ULOCK, 4) |
| 278 | finally: |
| 279 | os.close(fd) |
| 280 | |
| 281 | @unittest.skipUnless(hasattr(posix, 'pread'), "test needs posix.pread()") |
| 282 | def test_pread(self): |
| 283 | fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) |
| 284 | try: |
| 285 | os.write(fd, b'test') |
| 286 | os.lseek(fd, 0, os.SEEK_SET) |
| 287 | self.assertEqual(b'es', posix.pread(fd, 2, 1)) |
Florent Xicluna | e41f0de | 2011-11-11 19:39:25 +0100 | [diff] [blame] | 288 | # the first pread() shouldn't disturb the file offset |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 289 | self.assertEqual(b'te', posix.read(fd, 2)) |
| 290 | finally: |
| 291 | os.close(fd) |
| 292 | |
Pablo Galindo | 4defba3 | 2018-01-27 16:16:37 +0000 | [diff] [blame] | 293 | @unittest.skipUnless(hasattr(posix, 'preadv'), "test needs posix.preadv()") |
| 294 | def test_preadv(self): |
| 295 | fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) |
| 296 | try: |
| 297 | os.write(fd, b'test1tt2t3t5t6t6t8') |
| 298 | buf = [bytearray(i) for i in [5, 3, 2]] |
| 299 | self.assertEqual(posix.preadv(fd, buf, 3), 10) |
| 300 | self.assertEqual([b't1tt2', b't3t', b'5t'], list(buf)) |
| 301 | finally: |
| 302 | os.close(fd) |
| 303 | |
Serhiy Storchaka | 9d57273 | 2018-07-31 10:24:54 +0300 | [diff] [blame] | 304 | @unittest.skipUnless(hasattr(posix, 'preadv'), "test needs posix.preadv()") |
Pablo Galindo | 4defba3 | 2018-01-27 16:16:37 +0000 | [diff] [blame] | 305 | @unittest.skipUnless(hasattr(posix, 'RWF_HIPRI'), "test needs posix.RWF_HIPRI") |
| 306 | def test_preadv_flags(self): |
| 307 | fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) |
| 308 | try: |
| 309 | os.write(fd, b'test1tt2t3t5t6t6t8') |
| 310 | buf = [bytearray(i) for i in [5, 3, 2]] |
| 311 | self.assertEqual(posix.preadv(fd, buf, 3, os.RWF_HIPRI), 10) |
| 312 | self.assertEqual([b't1tt2', b't3t', b'5t'], list(buf)) |
Miss Islington (bot) | b9ecc0f | 2019-06-11 10:58:57 -0700 | [diff] [blame] | 313 | except NotImplementedError: |
| 314 | self.skipTest("preadv2 not available") |
Pablo Galindo | 46544f6 | 2019-04-13 17:06:03 +0100 | [diff] [blame] | 315 | except OSError as inst: |
| 316 | # Is possible that the macro RWF_HIPRI was defined at compilation time |
| 317 | # but the option is not supported by the kernel or the runtime libc shared |
| 318 | # library. |
| 319 | if inst.errno in {errno.EINVAL, errno.ENOTSUP}: |
| 320 | raise unittest.SkipTest("RWF_HIPRI is not supported by the current system") |
| 321 | else: |
| 322 | raise |
Pablo Galindo | 4defba3 | 2018-01-27 16:16:37 +0000 | [diff] [blame] | 323 | finally: |
| 324 | os.close(fd) |
| 325 | |
Serhiy Storchaka | 9d57273 | 2018-07-31 10:24:54 +0300 | [diff] [blame] | 326 | @unittest.skipUnless(hasattr(posix, 'preadv'), "test needs posix.preadv()") |
| 327 | @requires_32b |
| 328 | def test_preadv_overflow_32bits(self): |
| 329 | fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) |
| 330 | try: |
| 331 | buf = [bytearray(2**16)] * 2**15 |
| 332 | with self.assertRaises(OSError) as cm: |
| 333 | os.preadv(fd, buf, 0) |
| 334 | self.assertEqual(cm.exception.errno, errno.EINVAL) |
| 335 | self.assertEqual(bytes(buf[0]), b'\0'* 2**16) |
| 336 | finally: |
| 337 | os.close(fd) |
| 338 | |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 339 | @unittest.skipUnless(hasattr(posix, 'pwrite'), "test needs posix.pwrite()") |
| 340 | def test_pwrite(self): |
| 341 | fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) |
| 342 | try: |
| 343 | os.write(fd, b'test') |
| 344 | os.lseek(fd, 0, os.SEEK_SET) |
| 345 | posix.pwrite(fd, b'xx', 1) |
| 346 | self.assertEqual(b'txxt', posix.read(fd, 4)) |
| 347 | finally: |
| 348 | os.close(fd) |
| 349 | |
Pablo Galindo | 4defba3 | 2018-01-27 16:16:37 +0000 | [diff] [blame] | 350 | @unittest.skipUnless(hasattr(posix, 'pwritev'), "test needs posix.pwritev()") |
| 351 | def test_pwritev(self): |
| 352 | fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) |
| 353 | try: |
| 354 | os.write(fd, b"xx") |
| 355 | os.lseek(fd, 0, os.SEEK_SET) |
| 356 | n = os.pwritev(fd, [b'test1', b'tt2', b't3'], 2) |
| 357 | self.assertEqual(n, 10) |
| 358 | |
| 359 | os.lseek(fd, 0, os.SEEK_SET) |
| 360 | self.assertEqual(b'xxtest1tt2t3', posix.read(fd, 100)) |
| 361 | finally: |
| 362 | os.close(fd) |
| 363 | |
Serhiy Storchaka | 9d57273 | 2018-07-31 10:24:54 +0300 | [diff] [blame] | 364 | @unittest.skipUnless(hasattr(posix, 'pwritev'), "test needs posix.pwritev()") |
Pablo Galindo | 4defba3 | 2018-01-27 16:16:37 +0000 | [diff] [blame] | 365 | @unittest.skipUnless(hasattr(posix, 'os.RWF_SYNC'), "test needs os.RWF_SYNC") |
| 366 | def test_pwritev_flags(self): |
| 367 | fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) |
| 368 | try: |
| 369 | os.write(fd,b"xx") |
| 370 | os.lseek(fd, 0, os.SEEK_SET) |
| 371 | n = os.pwritev(fd, [b'test1', b'tt2', b't3'], 2, os.RWF_SYNC) |
| 372 | self.assertEqual(n, 10) |
| 373 | |
| 374 | os.lseek(fd, 0, os.SEEK_SET) |
| 375 | self.assertEqual(b'xxtest1tt2', posix.read(fd, 100)) |
| 376 | finally: |
| 377 | os.close(fd) |
| 378 | |
Serhiy Storchaka | 9d57273 | 2018-07-31 10:24:54 +0300 | [diff] [blame] | 379 | @unittest.skipUnless(hasattr(posix, 'pwritev'), "test needs posix.pwritev()") |
| 380 | @requires_32b |
| 381 | def test_pwritev_overflow_32bits(self): |
| 382 | fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) |
| 383 | try: |
| 384 | with self.assertRaises(OSError) as cm: |
| 385 | os.pwritev(fd, [b"x" * 2**16] * 2**15, 0) |
| 386 | self.assertEqual(cm.exception.errno, errno.EINVAL) |
| 387 | finally: |
| 388 | os.close(fd) |
| 389 | |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 390 | @unittest.skipUnless(hasattr(posix, 'posix_fallocate'), |
| 391 | "test needs posix.posix_fallocate()") |
| 392 | def test_posix_fallocate(self): |
| 393 | fd = os.open(support.TESTFN, os.O_WRONLY | os.O_CREAT) |
| 394 | try: |
| 395 | posix.posix_fallocate(fd, 0, 10) |
| 396 | except OSError as inst: |
| 397 | # issue10812, ZFS doesn't appear to support posix_fallocate, |
| 398 | # so skip Solaris-based since they are likely to have ZFS. |
Ned Deily | 09c4a7d | 2018-05-26 16:30:46 -0400 | [diff] [blame] | 399 | # issue33655: Also ignore EINVAL on *BSD since ZFS is also |
| 400 | # often used there. |
| 401 | if inst.errno == errno.EINVAL and sys.platform.startswith( |
| 402 | ('sunos', 'freebsd', 'netbsd', 'openbsd', 'gnukfreebsd')): |
| 403 | raise unittest.SkipTest("test may fail on ZFS filesystems") |
| 404 | else: |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 405 | raise |
| 406 | finally: |
| 407 | os.close(fd) |
| 408 | |
Коренберг Марк | d4b93e2 | 2017-08-14 18:55:16 +0500 | [diff] [blame] | 409 | # issue31106 - posix_fallocate() does not set error in errno. |
| 410 | @unittest.skipUnless(hasattr(posix, 'posix_fallocate'), |
| 411 | "test needs posix.posix_fallocate()") |
| 412 | def test_posix_fallocate_errno(self): |
| 413 | try: |
| 414 | posix.posix_fallocate(-42, 0, 10) |
| 415 | except OSError as inst: |
| 416 | if inst.errno != errno.EBADF: |
| 417 | raise |
| 418 | |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 419 | @unittest.skipUnless(hasattr(posix, 'posix_fadvise'), |
| 420 | "test needs posix.posix_fadvise()") |
| 421 | def test_posix_fadvise(self): |
| 422 | fd = os.open(support.TESTFN, os.O_RDONLY) |
| 423 | try: |
| 424 | posix.posix_fadvise(fd, 0, 0, posix.POSIX_FADV_WILLNEED) |
| 425 | finally: |
| 426 | os.close(fd) |
| 427 | |
Коренберг Марк | d4b93e2 | 2017-08-14 18:55:16 +0500 | [diff] [blame] | 428 | @unittest.skipUnless(hasattr(posix, 'posix_fadvise'), |
| 429 | "test needs posix.posix_fadvise()") |
| 430 | def test_posix_fadvise_errno(self): |
| 431 | try: |
| 432 | posix.posix_fadvise(-42, 0, 0, posix.POSIX_FADV_WILLNEED) |
| 433 | except OSError as inst: |
| 434 | if inst.errno != errno.EBADF: |
| 435 | raise |
| 436 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 437 | @unittest.skipUnless(os.utime in os.supports_fd, "test needs fd support in os.utime") |
| 438 | def test_utime_with_fd(self): |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 439 | now = time.time() |
| 440 | fd = os.open(support.TESTFN, os.O_RDONLY) |
| 441 | try: |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 442 | posix.utime(fd) |
| 443 | posix.utime(fd, None) |
| 444 | self.assertRaises(TypeError, posix.utime, fd, (None, None)) |
| 445 | self.assertRaises(TypeError, posix.utime, fd, (now, None)) |
| 446 | self.assertRaises(TypeError, posix.utime, fd, (None, now)) |
| 447 | posix.utime(fd, (int(now), int(now))) |
| 448 | posix.utime(fd, (now, now)) |
| 449 | self.assertRaises(ValueError, posix.utime, fd, (now, now), ns=(now, now)) |
| 450 | self.assertRaises(ValueError, posix.utime, fd, (now, 0), ns=(None, None)) |
| 451 | self.assertRaises(ValueError, posix.utime, fd, (None, None), ns=(now, 0)) |
| 452 | posix.utime(fd, (int(now), int((now - int(now)) * 1e9))) |
| 453 | posix.utime(fd, ns=(int(now), int((now - int(now)) * 1e9))) |
| 454 | |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 455 | finally: |
| 456 | os.close(fd) |
| 457 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 458 | @unittest.skipUnless(os.utime in os.supports_follow_symlinks, "test needs follow_symlinks support in os.utime") |
| 459 | def test_utime_nofollow_symlinks(self): |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 460 | now = time.time() |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 461 | posix.utime(support.TESTFN, None, follow_symlinks=False) |
| 462 | self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, None), follow_symlinks=False) |
| 463 | self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, None), follow_symlinks=False) |
| 464 | self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, now), follow_symlinks=False) |
| 465 | posix.utime(support.TESTFN, (int(now), int(now)), follow_symlinks=False) |
| 466 | posix.utime(support.TESTFN, (now, now), follow_symlinks=False) |
| 467 | posix.utime(support.TESTFN, follow_symlinks=False) |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 468 | |
| 469 | @unittest.skipUnless(hasattr(posix, 'writev'), "test needs posix.writev()") |
| 470 | def test_writev(self): |
| 471 | fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) |
| 472 | try: |
Victor Stinner | 57ddf78 | 2014-01-08 15:21:28 +0100 | [diff] [blame] | 473 | n = os.writev(fd, (b'test1', b'tt2', b't3')) |
| 474 | self.assertEqual(n, 10) |
| 475 | |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 476 | os.lseek(fd, 0, os.SEEK_SET) |
| 477 | self.assertEqual(b'test1tt2t3', posix.read(fd, 10)) |
Victor Stinner | 57ddf78 | 2014-01-08 15:21:28 +0100 | [diff] [blame] | 478 | |
| 479 | # Issue #20113: empty list of buffers should not crash |
Victor Stinner | cd5ca6a | 2014-01-08 16:01:31 +0100 | [diff] [blame] | 480 | try: |
| 481 | size = posix.writev(fd, []) |
| 482 | except OSError: |
| 483 | # writev(fd, []) raises OSError(22, "Invalid argument") |
| 484 | # on OpenIndiana |
| 485 | pass |
| 486 | else: |
| 487 | self.assertEqual(size, 0) |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 488 | finally: |
| 489 | os.close(fd) |
| 490 | |
Serhiy Storchaka | 9d57273 | 2018-07-31 10:24:54 +0300 | [diff] [blame] | 491 | @unittest.skipUnless(hasattr(posix, 'writev'), "test needs posix.writev()") |
| 492 | @requires_32b |
| 493 | def test_writev_overflow_32bits(self): |
| 494 | fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) |
| 495 | try: |
| 496 | with self.assertRaises(OSError) as cm: |
| 497 | os.writev(fd, [b"x" * 2**16] * 2**15) |
| 498 | self.assertEqual(cm.exception.errno, errno.EINVAL) |
| 499 | finally: |
| 500 | os.close(fd) |
| 501 | |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 502 | @unittest.skipUnless(hasattr(posix, 'readv'), "test needs posix.readv()") |
| 503 | def test_readv(self): |
| 504 | fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) |
| 505 | try: |
| 506 | os.write(fd, b'test1tt2t3') |
| 507 | os.lseek(fd, 0, os.SEEK_SET) |
| 508 | buf = [bytearray(i) for i in [5, 3, 2]] |
| 509 | self.assertEqual(posix.readv(fd, buf), 10) |
| 510 | self.assertEqual([b'test1', b'tt2', b't3'], [bytes(i) for i in buf]) |
Victor Stinner | 57ddf78 | 2014-01-08 15:21:28 +0100 | [diff] [blame] | 511 | |
| 512 | # Issue #20113: empty list of buffers should not crash |
Victor Stinner | cd5ca6a | 2014-01-08 16:01:31 +0100 | [diff] [blame] | 513 | try: |
| 514 | size = posix.readv(fd, []) |
| 515 | except OSError: |
| 516 | # readv(fd, []) raises OSError(22, "Invalid argument") |
| 517 | # on OpenIndiana |
| 518 | pass |
| 519 | else: |
| 520 | self.assertEqual(size, 0) |
Ross Lagerwall | 7807c35 | 2011-03-17 20:20:30 +0200 | [diff] [blame] | 521 | finally: |
| 522 | os.close(fd) |
| 523 | |
Serhiy Storchaka | 9d57273 | 2018-07-31 10:24:54 +0300 | [diff] [blame] | 524 | @unittest.skipUnless(hasattr(posix, 'readv'), "test needs posix.readv()") |
| 525 | @requires_32b |
| 526 | def test_readv_overflow_32bits(self): |
| 527 | fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) |
| 528 | try: |
| 529 | buf = [bytearray(2**16)] * 2**15 |
| 530 | with self.assertRaises(OSError) as cm: |
| 531 | os.readv(fd, buf) |
| 532 | self.assertEqual(cm.exception.errno, errno.EINVAL) |
| 533 | self.assertEqual(bytes(buf[0]), b'\0'* 2**16) |
| 534 | finally: |
| 535 | os.close(fd) |
| 536 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 537 | @unittest.skipUnless(hasattr(posix, 'dup'), |
| 538 | 'test needs posix.dup()') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 539 | def test_dup(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 540 | fp = open(support.TESTFN) |
| 541 | try: |
| 542 | fd = posix.dup(fp.fileno()) |
| 543 | self.assertIsInstance(fd, int) |
| 544 | os.close(fd) |
| 545 | finally: |
| 546 | fp.close() |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 547 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 548 | @unittest.skipUnless(hasattr(posix, 'confstr'), |
| 549 | 'test needs posix.confstr()') |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 550 | def test_confstr(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 551 | self.assertRaises(ValueError, posix.confstr, "CS_garbage") |
| 552 | self.assertEqual(len(posix.confstr("CS_PATH")) > 0, True) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 553 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 554 | @unittest.skipUnless(hasattr(posix, 'dup2'), |
| 555 | 'test needs posix.dup2()') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 556 | def test_dup2(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 557 | fp1 = open(support.TESTFN) |
| 558 | fp2 = open(support.TESTFN) |
| 559 | try: |
| 560 | posix.dup2(fp1.fileno(), fp2.fileno()) |
| 561 | finally: |
| 562 | fp1.close() |
| 563 | fp2.close() |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 564 | |
Charles-François Natali | 1e045b1 | 2011-05-22 20:42:32 +0200 | [diff] [blame] | 565 | @unittest.skipUnless(hasattr(os, 'O_CLOEXEC'), "needs os.O_CLOEXEC") |
Charles-François Natali | 239bb96 | 2011-06-03 12:55:15 +0200 | [diff] [blame] | 566 | @support.requires_linux_version(2, 6, 23) |
Charles-François Natali | 1e045b1 | 2011-05-22 20:42:32 +0200 | [diff] [blame] | 567 | def test_oscloexec(self): |
| 568 | fd = os.open(support.TESTFN, os.O_RDONLY|os.O_CLOEXEC) |
| 569 | self.addCleanup(os.close, fd) |
Victor Stinner | 1db9e7b | 2014-07-29 22:32:47 +0200 | [diff] [blame] | 570 | self.assertFalse(os.get_inheritable(fd)) |
Charles-François Natali | 1e045b1 | 2011-05-22 20:42:32 +0200 | [diff] [blame] | 571 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 572 | @unittest.skipUnless(hasattr(posix, 'O_EXLOCK'), |
| 573 | 'test needs posix.O_EXLOCK') |
Skip Montanaro | 9847000 | 2005-06-17 01:14:49 +0000 | [diff] [blame] | 574 | def test_osexlock(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 575 | fd = os.open(support.TESTFN, |
| 576 | os.O_WRONLY|os.O_EXLOCK|os.O_CREAT) |
| 577 | self.assertRaises(OSError, os.open, support.TESTFN, |
| 578 | os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK) |
| 579 | os.close(fd) |
| 580 | |
| 581 | if hasattr(posix, "O_SHLOCK"): |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 582 | fd = os.open(support.TESTFN, |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 583 | os.O_WRONLY|os.O_SHLOCK|os.O_CREAT) |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 584 | self.assertRaises(OSError, os.open, support.TESTFN, |
Skip Montanaro | 9847000 | 2005-06-17 01:14:49 +0000 | [diff] [blame] | 585 | os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK) |
| 586 | os.close(fd) |
| 587 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 588 | @unittest.skipUnless(hasattr(posix, 'O_SHLOCK'), |
| 589 | 'test needs posix.O_SHLOCK') |
Skip Montanaro | 9847000 | 2005-06-17 01:14:49 +0000 | [diff] [blame] | 590 | def test_osshlock(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 591 | fd1 = os.open(support.TESTFN, |
| 592 | os.O_WRONLY|os.O_SHLOCK|os.O_CREAT) |
| 593 | fd2 = os.open(support.TESTFN, |
| 594 | os.O_WRONLY|os.O_SHLOCK|os.O_CREAT) |
| 595 | os.close(fd2) |
| 596 | os.close(fd1) |
| 597 | |
| 598 | if hasattr(posix, "O_EXLOCK"): |
| 599 | fd = os.open(support.TESTFN, |
Skip Montanaro | 9847000 | 2005-06-17 01:14:49 +0000 | [diff] [blame] | 600 | os.O_WRONLY|os.O_SHLOCK|os.O_CREAT) |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 601 | self.assertRaises(OSError, os.open, support.TESTFN, |
| 602 | os.O_RDONLY|os.O_EXLOCK|os.O_NONBLOCK) |
| 603 | os.close(fd) |
Skip Montanaro | 9847000 | 2005-06-17 01:14:49 +0000 | [diff] [blame] | 604 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 605 | @unittest.skipUnless(hasattr(posix, 'fstat'), |
| 606 | 'test needs posix.fstat()') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 607 | def test_fstat(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 608 | fp = open(support.TESTFN) |
| 609 | try: |
| 610 | self.assertTrue(posix.fstat(fp.fileno())) |
| 611 | self.assertTrue(posix.stat(fp.fileno())) |
Serhiy Storchaka | a2ad5c3 | 2013-01-07 23:13:46 +0200 | [diff] [blame] | 612 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 613 | self.assertRaisesRegex(TypeError, |
Brett Cannon | 3f9183b | 2016-08-26 14:44:48 -0700 | [diff] [blame] | 614 | 'should be string, bytes, os.PathLike or integer, not', |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 615 | posix.stat, float(fp.fileno())) |
| 616 | finally: |
| 617 | fp.close() |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 618 | |
| 619 | def test_stat(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 620 | self.assertTrue(posix.stat(support.TESTFN)) |
| 621 | self.assertTrue(posix.stat(os.fsencode(support.TESTFN))) |
Serhiy Storchaka | a2ad5c3 | 2013-01-07 23:13:46 +0200 | [diff] [blame] | 622 | |
Serhiy Storchaka | d73c318 | 2016-08-06 23:22:08 +0300 | [diff] [blame] | 623 | self.assertWarnsRegex(DeprecationWarning, |
Brett Cannon | 3f9183b | 2016-08-26 14:44:48 -0700 | [diff] [blame] | 624 | 'should be string, bytes, os.PathLike or integer, not', |
Serhiy Storchaka | d73c318 | 2016-08-06 23:22:08 +0300 | [diff] [blame] | 625 | posix.stat, bytearray(os.fsencode(support.TESTFN))) |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 626 | self.assertRaisesRegex(TypeError, |
Brett Cannon | 3f9183b | 2016-08-26 14:44:48 -0700 | [diff] [blame] | 627 | 'should be string, bytes, os.PathLike or integer, not', |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 628 | posix.stat, None) |
| 629 | self.assertRaisesRegex(TypeError, |
Brett Cannon | 3f9183b | 2016-08-26 14:44:48 -0700 | [diff] [blame] | 630 | 'should be string, bytes, os.PathLike or integer, not', |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 631 | posix.stat, list(support.TESTFN)) |
| 632 | self.assertRaisesRegex(TypeError, |
Brett Cannon | 3f9183b | 2016-08-26 14:44:48 -0700 | [diff] [blame] | 633 | 'should be string, bytes, os.PathLike or integer, not', |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 634 | posix.stat, list(os.fsencode(support.TESTFN))) |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 635 | |
Benjamin Peterson | 052a02b | 2010-08-17 01:27:09 +0000 | [diff] [blame] | 636 | @unittest.skipUnless(hasattr(posix, 'mkfifo'), "don't have mkfifo()") |
| 637 | def test_mkfifo(self): |
| 638 | support.unlink(support.TESTFN) |
xdegaye | 92c2ca7 | 2017-11-12 17:31:07 +0100 | [diff] [blame] | 639 | try: |
| 640 | posix.mkfifo(support.TESTFN, stat.S_IRUSR | stat.S_IWUSR) |
| 641 | except PermissionError as e: |
| 642 | self.skipTest('posix.mkfifo(): %s' % e) |
Benjamin Peterson | 052a02b | 2010-08-17 01:27:09 +0000 | [diff] [blame] | 643 | self.assertTrue(stat.S_ISFIFO(posix.stat(support.TESTFN).st_mode)) |
| 644 | |
| 645 | @unittest.skipUnless(hasattr(posix, 'mknod') and hasattr(stat, 'S_IFIFO'), |
| 646 | "don't have mknod()/S_IFIFO") |
| 647 | def test_mknod(self): |
| 648 | # Test using mknod() to create a FIFO (the only use specified |
| 649 | # by POSIX). |
| 650 | support.unlink(support.TESTFN) |
| 651 | mode = stat.S_IFIFO | stat.S_IRUSR | stat.S_IWUSR |
| 652 | try: |
| 653 | posix.mknod(support.TESTFN, mode, 0) |
| 654 | except OSError as e: |
| 655 | # Some old systems don't allow unprivileged users to use |
| 656 | # mknod(), or only support creating device nodes. |
xdegaye | 92c2ca7 | 2017-11-12 17:31:07 +0100 | [diff] [blame] | 657 | self.assertIn(e.errno, (errno.EPERM, errno.EINVAL, errno.EACCES)) |
Benjamin Peterson | 052a02b | 2010-08-17 01:27:09 +0000 | [diff] [blame] | 658 | else: |
| 659 | self.assertTrue(stat.S_ISFIFO(posix.stat(support.TESTFN).st_mode)) |
| 660 | |
Martin Panter | bf19d16 | 2015-09-09 01:01:13 +0000 | [diff] [blame] | 661 | # Keyword arguments are also supported |
| 662 | support.unlink(support.TESTFN) |
| 663 | try: |
| 664 | posix.mknod(path=support.TESTFN, mode=mode, device=0, |
| 665 | dir_fd=None) |
| 666 | except OSError as e: |
xdegaye | 92c2ca7 | 2017-11-12 17:31:07 +0100 | [diff] [blame] | 667 | self.assertIn(e.errno, (errno.EPERM, errno.EINVAL, errno.EACCES)) |
Martin Panter | bf19d16 | 2015-09-09 01:01:13 +0000 | [diff] [blame] | 668 | |
Serhiy Storchaka | 16b2e4f | 2015-04-20 09:22:13 +0300 | [diff] [blame] | 669 | @unittest.skipUnless(hasattr(posix, 'makedev'), 'test needs posix.makedev()') |
| 670 | def test_makedev(self): |
| 671 | st = posix.stat(support.TESTFN) |
| 672 | dev = st.st_dev |
| 673 | self.assertIsInstance(dev, int) |
| 674 | self.assertGreaterEqual(dev, 0) |
| 675 | |
| 676 | major = posix.major(dev) |
| 677 | self.assertIsInstance(major, int) |
| 678 | self.assertGreaterEqual(major, 0) |
| 679 | self.assertEqual(posix.major(dev), major) |
| 680 | self.assertRaises(TypeError, posix.major, float(dev)) |
| 681 | self.assertRaises(TypeError, posix.major) |
| 682 | self.assertRaises((ValueError, OverflowError), posix.major, -1) |
| 683 | |
| 684 | minor = posix.minor(dev) |
| 685 | self.assertIsInstance(minor, int) |
| 686 | self.assertGreaterEqual(minor, 0) |
| 687 | self.assertEqual(posix.minor(dev), minor) |
| 688 | self.assertRaises(TypeError, posix.minor, float(dev)) |
| 689 | self.assertRaises(TypeError, posix.minor) |
| 690 | self.assertRaises((ValueError, OverflowError), posix.minor, -1) |
| 691 | |
| 692 | self.assertEqual(posix.makedev(major, minor), dev) |
| 693 | self.assertRaises(TypeError, posix.makedev, float(major), minor) |
| 694 | self.assertRaises(TypeError, posix.makedev, major, float(minor)) |
| 695 | self.assertRaises(TypeError, posix.makedev, major) |
| 696 | self.assertRaises(TypeError, posix.makedev) |
| 697 | |
Serhiy Storchaka | 7cf5599 | 2013-02-10 21:56:49 +0200 | [diff] [blame] | 698 | def _test_all_chown_common(self, chown_func, first_param, stat_func): |
Benjamin Peterson | 1baf465 | 2009-12-31 03:11:23 +0000 | [diff] [blame] | 699 | """Common code for chown, fchown and lchown tests.""" |
Serhiy Storchaka | 54db2fd | 2013-02-20 19:40:25 +0200 | [diff] [blame] | 700 | def check_stat(uid, gid): |
Serhiy Storchaka | 7cf5599 | 2013-02-10 21:56:49 +0200 | [diff] [blame] | 701 | if stat_func is not None: |
| 702 | stat = stat_func(first_param) |
Serhiy Storchaka | 54db2fd | 2013-02-20 19:40:25 +0200 | [diff] [blame] | 703 | self.assertEqual(stat.st_uid, uid) |
| 704 | self.assertEqual(stat.st_gid, gid) |
| 705 | uid = os.getuid() |
| 706 | gid = os.getgid() |
Charles-François Natali | ab2d58e | 2012-04-17 19:48:35 +0200 | [diff] [blame] | 707 | # test a successful chown call |
Serhiy Storchaka | 54db2fd | 2013-02-20 19:40:25 +0200 | [diff] [blame] | 708 | chown_func(first_param, uid, gid) |
| 709 | check_stat(uid, gid) |
| 710 | chown_func(first_param, -1, gid) |
| 711 | check_stat(uid, gid) |
| 712 | chown_func(first_param, uid, -1) |
| 713 | check_stat(uid, gid) |
Charles-François Natali | ab2d58e | 2012-04-17 19:48:35 +0200 | [diff] [blame] | 714 | |
Serhiy Storchaka | 54db2fd | 2013-02-20 19:40:25 +0200 | [diff] [blame] | 715 | if uid == 0: |
| 716 | # Try an amusingly large uid/gid to make sure we handle |
| 717 | # large unsigned values. (chown lets you use any |
| 718 | # uid/gid you like, even if they aren't defined.) |
| 719 | # |
| 720 | # This problem keeps coming up: |
| 721 | # http://bugs.python.org/issue1747858 |
| 722 | # http://bugs.python.org/issue4591 |
| 723 | # http://bugs.python.org/issue15301 |
| 724 | # Hopefully the fix in 4591 fixes it for good! |
| 725 | # |
| 726 | # This part of the test only runs when run as root. |
| 727 | # Only scary people run their tests as root. |
| 728 | |
| 729 | big_value = 2**31 |
| 730 | chown_func(first_param, big_value, big_value) |
| 731 | check_stat(big_value, big_value) |
| 732 | chown_func(first_param, -1, -1) |
| 733 | check_stat(big_value, big_value) |
| 734 | chown_func(first_param, uid, gid) |
| 735 | check_stat(uid, gid) |
Charles-François Natali | ab2d58e | 2012-04-17 19:48:35 +0200 | [diff] [blame] | 736 | elif platform.system() in ('HP-UX', 'SunOS'): |
| 737 | # HP-UX and Solaris can allow a non-root user to chown() to root |
| 738 | # (issue #5113) |
| 739 | raise unittest.SkipTest("Skipping because of non-standard chown() " |
| 740 | "behavior") |
Benjamin Peterson | 1baf465 | 2009-12-31 03:11:23 +0000 | [diff] [blame] | 741 | else: |
| 742 | # non-root cannot chown to root, raises OSError |
Serhiy Storchaka | 7cf5599 | 2013-02-10 21:56:49 +0200 | [diff] [blame] | 743 | self.assertRaises(OSError, chown_func, first_param, 0, 0) |
Serhiy Storchaka | 54db2fd | 2013-02-20 19:40:25 +0200 | [diff] [blame] | 744 | check_stat(uid, gid) |
Serhiy Storchaka | 7cf5599 | 2013-02-10 21:56:49 +0200 | [diff] [blame] | 745 | self.assertRaises(OSError, chown_func, first_param, 0, -1) |
Serhiy Storchaka | 54db2fd | 2013-02-20 19:40:25 +0200 | [diff] [blame] | 746 | check_stat(uid, gid) |
Serhiy Storchaka | a2964b3 | 2013-02-21 14:34:36 +0200 | [diff] [blame] | 747 | if 0 not in os.getgroups(): |
Serhiy Storchaka | b3d62ce | 2013-02-20 19:48:22 +0200 | [diff] [blame] | 748 | self.assertRaises(OSError, chown_func, first_param, -1, 0) |
| 749 | check_stat(uid, gid) |
Serhiy Storchaka | 54db2fd | 2013-02-20 19:40:25 +0200 | [diff] [blame] | 750 | # test illegal types |
| 751 | for t in str, float: |
| 752 | self.assertRaises(TypeError, chown_func, first_param, t(uid), gid) |
| 753 | check_stat(uid, gid) |
| 754 | self.assertRaises(TypeError, chown_func, first_param, uid, t(gid)) |
| 755 | check_stat(uid, gid) |
Christian Heimes | d5e2b6f | 2008-03-19 21:50:51 +0000 | [diff] [blame] | 756 | |
Benjamin Peterson | 1baf465 | 2009-12-31 03:11:23 +0000 | [diff] [blame] | 757 | @unittest.skipUnless(hasattr(posix, 'chown'), "test needs os.chown()") |
| 758 | def test_chown(self): |
| 759 | # raise an OSError if the file does not exist |
| 760 | os.unlink(support.TESTFN) |
| 761 | self.assertRaises(OSError, posix.chown, support.TESTFN, -1, -1) |
Christian Heimes | d5e2b6f | 2008-03-19 21:50:51 +0000 | [diff] [blame] | 762 | |
Benjamin Peterson | 1baf465 | 2009-12-31 03:11:23 +0000 | [diff] [blame] | 763 | # re-create the file |
Victor Stinner | bf81622 | 2011-06-30 23:25:47 +0200 | [diff] [blame] | 764 | support.create_empty_file(support.TESTFN) |
Anthony Sottile | 8377cd4 | 2019-02-25 14:32:27 -0800 | [diff] [blame] | 765 | self._test_all_chown_common(posix.chown, support.TESTFN, posix.stat) |
Benjamin Peterson | 1baf465 | 2009-12-31 03:11:23 +0000 | [diff] [blame] | 766 | |
| 767 | @unittest.skipUnless(hasattr(posix, 'fchown'), "test needs os.fchown()") |
| 768 | def test_fchown(self): |
| 769 | os.unlink(support.TESTFN) |
| 770 | |
| 771 | # re-create the file |
| 772 | test_file = open(support.TESTFN, 'w') |
| 773 | try: |
| 774 | fd = test_file.fileno() |
Serhiy Storchaka | 7cf5599 | 2013-02-10 21:56:49 +0200 | [diff] [blame] | 775 | self._test_all_chown_common(posix.fchown, fd, |
| 776 | getattr(posix, 'fstat', None)) |
Benjamin Peterson | 1baf465 | 2009-12-31 03:11:23 +0000 | [diff] [blame] | 777 | finally: |
| 778 | test_file.close() |
| 779 | |
| 780 | @unittest.skipUnless(hasattr(posix, 'lchown'), "test needs os.lchown()") |
| 781 | def test_lchown(self): |
| 782 | os.unlink(support.TESTFN) |
| 783 | # create a symlink |
Ned Deily | 3eb67d5 | 2011-06-28 00:00:28 -0700 | [diff] [blame] | 784 | os.symlink(_DUMMY_SYMLINK, support.TESTFN) |
Serhiy Storchaka | 7cf5599 | 2013-02-10 21:56:49 +0200 | [diff] [blame] | 785 | self._test_all_chown_common(posix.lchown, support.TESTFN, |
| 786 | getattr(posix, 'lstat', None)) |
Christian Heimes | d5e2b6f | 2008-03-19 21:50:51 +0000 | [diff] [blame] | 787 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 788 | @unittest.skipUnless(hasattr(posix, 'chdir'), 'test needs posix.chdir()') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 789 | def test_chdir(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 790 | posix.chdir(os.curdir) |
| 791 | self.assertRaises(OSError, posix.chdir, support.TESTFN) |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 792 | |
Martin v. Löwis | c9e1c7d | 2010-07-23 12:16:41 +0000 | [diff] [blame] | 793 | def test_listdir(self): |
Serhiy Storchaka | 1180e5a | 2017-07-11 06:36:46 +0300 | [diff] [blame] | 794 | self.assertIn(support.TESTFN, posix.listdir(os.curdir)) |
Martin v. Löwis | c9e1c7d | 2010-07-23 12:16:41 +0000 | [diff] [blame] | 795 | |
| 796 | def test_listdir_default(self): |
Larry Hastings | fdaea06 | 2012-06-25 04:42:23 -0700 | [diff] [blame] | 797 | # When listdir is called without argument, |
| 798 | # it's the same as listdir(os.curdir). |
Serhiy Storchaka | 1180e5a | 2017-07-11 06:36:46 +0300 | [diff] [blame] | 799 | self.assertIn(support.TESTFN, posix.listdir()) |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 800 | |
Larry Hastings | fdaea06 | 2012-06-25 04:42:23 -0700 | [diff] [blame] | 801 | def test_listdir_bytes(self): |
| 802 | # When listdir is called with a bytes object, |
| 803 | # the returned strings are of type bytes. |
Serhiy Storchaka | 1180e5a | 2017-07-11 06:36:46 +0300 | [diff] [blame] | 804 | self.assertIn(os.fsencode(support.TESTFN), posix.listdir(b'.')) |
| 805 | |
| 806 | def test_listdir_bytes_like(self): |
| 807 | for cls in bytearray, memoryview: |
| 808 | with self.assertWarns(DeprecationWarning): |
| 809 | names = posix.listdir(cls(b'.')) |
| 810 | self.assertIn(os.fsencode(support.TESTFN), names) |
| 811 | for name in names: |
| 812 | self.assertIs(type(name), bytes) |
Larry Hastings | fdaea06 | 2012-06-25 04:42:23 -0700 | [diff] [blame] | 813 | |
| 814 | @unittest.skipUnless(posix.listdir in os.supports_fd, |
| 815 | "test needs fd support for posix.listdir()") |
| 816 | def test_listdir_fd(self): |
Antoine Pitrou | 8250e23 | 2011-02-25 23:41:16 +0000 | [diff] [blame] | 817 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
Charles-François Natali | 7546ad3 | 2012-01-08 18:34:06 +0100 | [diff] [blame] | 818 | self.addCleanup(posix.close, f) |
Antoine Pitrou | 8250e23 | 2011-02-25 23:41:16 +0000 | [diff] [blame] | 819 | self.assertEqual( |
| 820 | sorted(posix.listdir('.')), |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 821 | sorted(posix.listdir(f)) |
Antoine Pitrou | 8250e23 | 2011-02-25 23:41:16 +0000 | [diff] [blame] | 822 | ) |
Charles-François Natali | 7546ad3 | 2012-01-08 18:34:06 +0100 | [diff] [blame] | 823 | # Check that the fd offset was reset (issue #13739) |
Charles-François Natali | 7546ad3 | 2012-01-08 18:34:06 +0100 | [diff] [blame] | 824 | self.assertEqual( |
| 825 | sorted(posix.listdir('.')), |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 826 | sorted(posix.listdir(f)) |
Charles-François Natali | 7546ad3 | 2012-01-08 18:34:06 +0100 | [diff] [blame] | 827 | ) |
Antoine Pitrou | 8250e23 | 2011-02-25 23:41:16 +0000 | [diff] [blame] | 828 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 829 | @unittest.skipUnless(hasattr(posix, 'access'), 'test needs posix.access()') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 830 | def test_access(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 831 | self.assertTrue(posix.access(support.TESTFN, os.R_OK)) |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 832 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 833 | @unittest.skipUnless(hasattr(posix, 'umask'), 'test needs posix.umask()') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 834 | def test_umask(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 835 | old_mask = posix.umask(0) |
| 836 | self.assertIsInstance(old_mask, int) |
| 837 | posix.umask(old_mask) |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 838 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 839 | @unittest.skipUnless(hasattr(posix, 'strerror'), |
| 840 | 'test needs posix.strerror()') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 841 | def test_strerror(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 842 | self.assertTrue(posix.strerror(0)) |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 843 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 844 | @unittest.skipUnless(hasattr(posix, 'pipe'), 'test needs posix.pipe()') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 845 | def test_pipe(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 846 | reader, writer = posix.pipe() |
| 847 | os.close(reader) |
| 848 | os.close(writer) |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 849 | |
Charles-François Natali | daafdd5 | 2011-05-29 20:07:40 +0200 | [diff] [blame] | 850 | @unittest.skipUnless(hasattr(os, 'pipe2'), "test needs os.pipe2()") |
Charles-François Natali | 239bb96 | 2011-06-03 12:55:15 +0200 | [diff] [blame] | 851 | @support.requires_linux_version(2, 6, 27) |
Charles-François Natali | daafdd5 | 2011-05-29 20:07:40 +0200 | [diff] [blame] | 852 | def test_pipe2(self): |
| 853 | self.assertRaises(TypeError, os.pipe2, 'DEADBEEF') |
| 854 | self.assertRaises(TypeError, os.pipe2, 0, 0) |
| 855 | |
Charles-François Natali | 368f34b | 2011-06-06 19:49:47 +0200 | [diff] [blame] | 856 | # try calling with flags = 0, like os.pipe() |
| 857 | r, w = os.pipe2(0) |
Charles-François Natali | daafdd5 | 2011-05-29 20:07:40 +0200 | [diff] [blame] | 858 | os.close(r) |
| 859 | os.close(w) |
| 860 | |
| 861 | # test flags |
| 862 | r, w = os.pipe2(os.O_CLOEXEC|os.O_NONBLOCK) |
| 863 | self.addCleanup(os.close, r) |
| 864 | self.addCleanup(os.close, w) |
Victor Stinner | bff989e | 2013-08-28 12:25:40 +0200 | [diff] [blame] | 865 | self.assertFalse(os.get_inheritable(r)) |
| 866 | self.assertFalse(os.get_inheritable(w)) |
Victor Stinner | 1db9e7b | 2014-07-29 22:32:47 +0200 | [diff] [blame] | 867 | self.assertFalse(os.get_blocking(r)) |
| 868 | self.assertFalse(os.get_blocking(w)) |
Charles-François Natali | daafdd5 | 2011-05-29 20:07:40 +0200 | [diff] [blame] | 869 | # try reading from an empty pipe: this should fail, not block |
| 870 | self.assertRaises(OSError, os.read, r, 1) |
| 871 | # try a write big enough to fill-up the pipe: this should either |
| 872 | # fail or perform a partial write, not block |
| 873 | try: |
| 874 | os.write(w, b'x' * support.PIPE_MAX_SIZE) |
| 875 | except OSError: |
| 876 | pass |
| 877 | |
Serhiy Storchaka | 5cfc79d | 2014-02-07 10:06:39 +0200 | [diff] [blame] | 878 | @support.cpython_only |
| 879 | @unittest.skipUnless(hasattr(os, 'pipe2'), "test needs os.pipe2()") |
| 880 | @support.requires_linux_version(2, 6, 27) |
| 881 | def test_pipe2_c_limits(self): |
Serhiy Storchaka | 7898043 | 2013-01-15 01:12:17 +0200 | [diff] [blame] | 882 | # Issue 15989 |
Serhiy Storchaka | 5cfc79d | 2014-02-07 10:06:39 +0200 | [diff] [blame] | 883 | import _testcapi |
Serhiy Storchaka | 7898043 | 2013-01-15 01:12:17 +0200 | [diff] [blame] | 884 | self.assertRaises(OverflowError, os.pipe2, _testcapi.INT_MAX + 1) |
| 885 | self.assertRaises(OverflowError, os.pipe2, _testcapi.UINT_MAX + 1) |
| 886 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 887 | @unittest.skipUnless(hasattr(posix, 'utime'), 'test needs posix.utime()') |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 888 | def test_utime(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 889 | now = time.time() |
| 890 | posix.utime(support.TESTFN, None) |
| 891 | self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, None)) |
| 892 | self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, None)) |
| 893 | self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, now)) |
| 894 | posix.utime(support.TESTFN, (int(now), int(now))) |
| 895 | posix.utime(support.TESTFN, (now, now)) |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 896 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 897 | def _test_chflags_regular_file(self, chflags_func, target_file, **kwargs): |
Ned Deily | 3eb67d5 | 2011-06-28 00:00:28 -0700 | [diff] [blame] | 898 | st = os.stat(target_file) |
| 899 | self.assertTrue(hasattr(st, 'st_flags')) |
Trent Nelson | 75959cf | 2012-08-21 23:59:31 +0000 | [diff] [blame] | 900 | |
| 901 | # ZFS returns EOPNOTSUPP when attempting to set flag UF_IMMUTABLE. |
| 902 | flags = st.st_flags | stat.UF_IMMUTABLE |
| 903 | try: |
| 904 | chflags_func(target_file, flags, **kwargs) |
| 905 | except OSError as err: |
| 906 | if err.errno != errno.EOPNOTSUPP: |
| 907 | raise |
| 908 | msg = 'chflag UF_IMMUTABLE not supported by underlying fs' |
| 909 | self.skipTest(msg) |
| 910 | |
Ned Deily | 3eb67d5 | 2011-06-28 00:00:28 -0700 | [diff] [blame] | 911 | try: |
| 912 | new_st = os.stat(target_file) |
| 913 | self.assertEqual(st.st_flags | stat.UF_IMMUTABLE, new_st.st_flags) |
| 914 | try: |
| 915 | fd = open(target_file, 'w+') |
Andrew Svetlov | f7a17b4 | 2012-12-25 16:47:37 +0200 | [diff] [blame] | 916 | except OSError as e: |
Ned Deily | 3eb67d5 | 2011-06-28 00:00:28 -0700 | [diff] [blame] | 917 | self.assertEqual(e.errno, errno.EPERM) |
| 918 | finally: |
| 919 | posix.chflags(target_file, st.st_flags) |
Thomas Wouters | cf297e4 | 2007-02-23 15:07:44 +0000 | [diff] [blame] | 920 | |
Ned Deily | 3eb67d5 | 2011-06-28 00:00:28 -0700 | [diff] [blame] | 921 | @unittest.skipUnless(hasattr(posix, 'chflags'), 'test needs os.chflags()') |
| 922 | def test_chflags(self): |
| 923 | self._test_chflags_regular_file(posix.chflags, support.TESTFN) |
| 924 | |
| 925 | @unittest.skipUnless(hasattr(posix, 'lchflags'), 'test needs os.lchflags()') |
| 926 | def test_lchflags_regular_file(self): |
| 927 | self._test_chflags_regular_file(posix.lchflags, support.TESTFN) |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 928 | self._test_chflags_regular_file(posix.chflags, support.TESTFN, follow_symlinks=False) |
Ned Deily | 3eb67d5 | 2011-06-28 00:00:28 -0700 | [diff] [blame] | 929 | |
| 930 | @unittest.skipUnless(hasattr(posix, 'lchflags'), 'test needs os.lchflags()') |
| 931 | def test_lchflags_symlink(self): |
| 932 | testfn_st = os.stat(support.TESTFN) |
| 933 | |
| 934 | self.assertTrue(hasattr(testfn_st, 'st_flags')) |
| 935 | |
| 936 | os.symlink(support.TESTFN, _DUMMY_SYMLINK) |
| 937 | self.teardown_files.append(_DUMMY_SYMLINK) |
| 938 | dummy_symlink_st = os.lstat(_DUMMY_SYMLINK) |
| 939 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 940 | def chflags_nofollow(path, flags): |
| 941 | return posix.chflags(path, flags, follow_symlinks=False) |
Ned Deily | 3eb67d5 | 2011-06-28 00:00:28 -0700 | [diff] [blame] | 942 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 943 | for fn in (posix.lchflags, chflags_nofollow): |
Trent Nelson | 75959cf | 2012-08-21 23:59:31 +0000 | [diff] [blame] | 944 | # ZFS returns EOPNOTSUPP when attempting to set flag UF_IMMUTABLE. |
| 945 | flags = dummy_symlink_st.st_flags | stat.UF_IMMUTABLE |
| 946 | try: |
| 947 | fn(_DUMMY_SYMLINK, flags) |
| 948 | except OSError as err: |
| 949 | if err.errno != errno.EOPNOTSUPP: |
| 950 | raise |
| 951 | msg = 'chflag UF_IMMUTABLE not supported by underlying fs' |
| 952 | self.skipTest(msg) |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 953 | try: |
| 954 | new_testfn_st = os.stat(support.TESTFN) |
| 955 | new_dummy_symlink_st = os.lstat(_DUMMY_SYMLINK) |
| 956 | |
| 957 | self.assertEqual(testfn_st.st_flags, new_testfn_st.st_flags) |
| 958 | self.assertEqual(dummy_symlink_st.st_flags | stat.UF_IMMUTABLE, |
| 959 | new_dummy_symlink_st.st_flags) |
| 960 | finally: |
| 961 | fn(_DUMMY_SYMLINK, dummy_symlink_st.st_flags) |
Thomas Wouters | cf297e4 | 2007-02-23 15:07:44 +0000 | [diff] [blame] | 962 | |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 963 | def test_environ(self): |
Victor Stinner | 17b490d | 2010-05-06 22:19:30 +0000 | [diff] [blame] | 964 | if os.name == "nt": |
| 965 | item_type = str |
| 966 | else: |
| 967 | item_type = bytes |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 968 | for k, v in posix.environ.items(): |
Victor Stinner | 17b490d | 2010-05-06 22:19:30 +0000 | [diff] [blame] | 969 | self.assertEqual(type(k), item_type) |
| 970 | self.assertEqual(type(v), item_type) |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 971 | |
Serhiy Storchaka | 7770394 | 2017-06-25 07:33:01 +0300 | [diff] [blame] | 972 | @unittest.skipUnless(hasattr(os, "putenv"), "requires os.putenv()") |
| 973 | def test_putenv(self): |
| 974 | with self.assertRaises(ValueError): |
| 975 | os.putenv('FRUIT\0VEGETABLE', 'cabbage') |
| 976 | with self.assertRaises(ValueError): |
| 977 | os.putenv(b'FRUIT\0VEGETABLE', b'cabbage') |
| 978 | with self.assertRaises(ValueError): |
| 979 | os.putenv('FRUIT', 'orange\0VEGETABLE=cabbage') |
| 980 | with self.assertRaises(ValueError): |
| 981 | os.putenv(b'FRUIT', b'orange\0VEGETABLE=cabbage') |
| 982 | with self.assertRaises(ValueError): |
| 983 | os.putenv('FRUIT=ORANGE', 'lemon') |
| 984 | with self.assertRaises(ValueError): |
| 985 | os.putenv(b'FRUIT=ORANGE', b'lemon') |
| 986 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 987 | @unittest.skipUnless(hasattr(posix, 'getcwd'), 'test needs posix.getcwd()') |
Benjamin Peterson | dcf97b9 | 2008-07-02 17:30:14 +0000 | [diff] [blame] | 988 | def test_getcwd_long_pathnames(self): |
Benjamin Peterson | 3a7dffa | 2013-08-23 21:01:48 -0500 | [diff] [blame] | 989 | dirname = 'getcwd-test-directory-0123456789abcdef-01234567890abcdef' |
| 990 | curdir = os.getcwd() |
| 991 | base_path = os.path.abspath(support.TESTFN) + '.getcwd' |
Benjamin Peterson | dcf97b9 | 2008-07-02 17:30:14 +0000 | [diff] [blame] | 992 | |
Benjamin Peterson | 3a7dffa | 2013-08-23 21:01:48 -0500 | [diff] [blame] | 993 | try: |
| 994 | os.mkdir(base_path) |
| 995 | os.chdir(base_path) |
| 996 | except: |
| 997 | # Just returning nothing instead of the SkipTest exception, because |
| 998 | # the test results in Error in that case. Is that ok? |
| 999 | # raise unittest.SkipTest("cannot create directory for testing") |
| 1000 | return |
Benjamin Peterson | dcf97b9 | 2008-07-02 17:30:14 +0000 | [diff] [blame] | 1001 | |
Benjamin Peterson | 3a7dffa | 2013-08-23 21:01:48 -0500 | [diff] [blame] | 1002 | def _create_and_do_getcwd(dirname, current_path_length = 0): |
| 1003 | try: |
| 1004 | os.mkdir(dirname) |
| 1005 | except: |
| 1006 | raise unittest.SkipTest("mkdir cannot create directory sufficiently deep for getcwd test") |
Benjamin Peterson | dcf97b9 | 2008-07-02 17:30:14 +0000 | [diff] [blame] | 1007 | |
Benjamin Peterson | 3a7dffa | 2013-08-23 21:01:48 -0500 | [diff] [blame] | 1008 | os.chdir(dirname) |
| 1009 | try: |
| 1010 | os.getcwd() |
| 1011 | if current_path_length < 1027: |
| 1012 | _create_and_do_getcwd(dirname, current_path_length + len(dirname) + 1) |
| 1013 | finally: |
| 1014 | os.chdir('..') |
| 1015 | os.rmdir(dirname) |
Benjamin Peterson | dcf97b9 | 2008-07-02 17:30:14 +0000 | [diff] [blame] | 1016 | |
Benjamin Peterson | 3a7dffa | 2013-08-23 21:01:48 -0500 | [diff] [blame] | 1017 | _create_and_do_getcwd(dirname) |
Benjamin Peterson | dcf97b9 | 2008-07-02 17:30:14 +0000 | [diff] [blame] | 1018 | |
Benjamin Peterson | 3a7dffa | 2013-08-23 21:01:48 -0500 | [diff] [blame] | 1019 | finally: |
| 1020 | os.chdir(curdir) |
| 1021 | support.rmtree(base_path) |
Benjamin Peterson | dcf97b9 | 2008-07-02 17:30:14 +0000 | [diff] [blame] | 1022 | |
Ross Lagerwall | b0ae53d | 2011-06-10 07:30:30 +0200 | [diff] [blame] | 1023 | @unittest.skipUnless(hasattr(posix, 'getgrouplist'), "test needs posix.getgrouplist()") |
| 1024 | @unittest.skipUnless(hasattr(pwd, 'getpwuid'), "test needs pwd.getpwuid()") |
| 1025 | @unittest.skipUnless(hasattr(os, 'getuid'), "test needs os.getuid()") |
| 1026 | def test_getgrouplist(self): |
Ross Lagerwall | a0b315f | 2012-12-13 15:20:26 +0000 | [diff] [blame] | 1027 | user = pwd.getpwuid(os.getuid())[0] |
| 1028 | group = pwd.getpwuid(os.getuid())[3] |
| 1029 | self.assertIn(group, posix.getgrouplist(user, group)) |
Ross Lagerwall | b0ae53d | 2011-06-10 07:30:30 +0200 | [diff] [blame] | 1030 | |
Ross Lagerwall | b0ae53d | 2011-06-10 07:30:30 +0200 | [diff] [blame] | 1031 | |
Antoine Pitrou | 318b8f3 | 2011-01-12 18:45:27 +0000 | [diff] [blame] | 1032 | @unittest.skipUnless(hasattr(os, 'getegid'), "test needs os.getegid()") |
Ronald Oussoren | b6ee4f5 | 2010-07-23 13:53:51 +0000 | [diff] [blame] | 1033 | def test_getgroups(self): |
Jesus Cea | 61f32cb | 2014-06-28 18:39:35 +0200 | [diff] [blame] | 1034 | with os.popen('id -G 2>/dev/null') as idg: |
Ronald Oussoren | b6ee4f5 | 2010-07-23 13:53:51 +0000 | [diff] [blame] | 1035 | groups = idg.read().strip() |
Charles-François Natali | e8a255a | 2012-05-02 20:01:38 +0200 | [diff] [blame] | 1036 | ret = idg.close() |
Ronald Oussoren | b6ee4f5 | 2010-07-23 13:53:51 +0000 | [diff] [blame] | 1037 | |
Xavier de Gaye | 24c3b49 | 2016-10-19 11:00:26 +0200 | [diff] [blame] | 1038 | try: |
| 1039 | idg_groups = set(int(g) for g in groups.split()) |
| 1040 | except ValueError: |
| 1041 | idg_groups = set() |
| 1042 | if ret is not None or not idg_groups: |
Ronald Oussoren | b6ee4f5 | 2010-07-23 13:53:51 +0000 | [diff] [blame] | 1043 | raise unittest.SkipTest("need working 'id -G'") |
| 1044 | |
Ned Deily | 028915e | 2013-02-02 15:08:52 -0800 | [diff] [blame] | 1045 | # Issues 16698: OS X ABIs prior to 10.6 have limits on getgroups() |
| 1046 | if sys.platform == 'darwin': |
| 1047 | import sysconfig |
| 1048 | dt = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET') or '10.0' |
Ned Deily | 04cdfa1 | 2014-06-25 13:36:14 -0700 | [diff] [blame] | 1049 | if tuple(int(n) for n in dt.split('.')[0:2]) < (10, 6): |
Ned Deily | 028915e | 2013-02-02 15:08:52 -0800 | [diff] [blame] | 1050 | raise unittest.SkipTest("getgroups(2) is broken prior to 10.6") |
| 1051 | |
Ronald Oussoren | 7fb6f51 | 2010-08-01 19:18:13 +0000 | [diff] [blame] | 1052 | # 'id -G' and 'os.getgroups()' should return the same |
Xavier de Gaye | 24c3b49 | 2016-10-19 11:00:26 +0200 | [diff] [blame] | 1053 | # groups, ignoring order, duplicates, and the effective gid. |
| 1054 | # #10822/#26944 - It is implementation defined whether |
| 1055 | # posix.getgroups() includes the effective gid. |
| 1056 | symdiff = idg_groups.symmetric_difference(posix.getgroups()) |
| 1057 | self.assertTrue(not symdiff or symdiff == {posix.getegid()}) |
Ronald Oussoren | b6ee4f5 | 2010-07-23 13:53:51 +0000 | [diff] [blame] | 1058 | |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1059 | # tests for the posix *at functions follow |
| 1060 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1061 | @unittest.skipUnless(os.access in os.supports_dir_fd, "test needs dir_fd support for os.access()") |
| 1062 | def test_access_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1063 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
| 1064 | try: |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1065 | self.assertTrue(posix.access(support.TESTFN, os.R_OK, dir_fd=f)) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1066 | finally: |
| 1067 | posix.close(f) |
| 1068 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1069 | @unittest.skipUnless(os.chmod in os.supports_dir_fd, "test needs dir_fd support in os.chmod()") |
| 1070 | def test_chmod_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1071 | os.chmod(support.TESTFN, stat.S_IRUSR) |
| 1072 | |
| 1073 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
| 1074 | try: |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1075 | posix.chmod(support.TESTFN, stat.S_IRUSR | stat.S_IWUSR, dir_fd=f) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1076 | |
| 1077 | s = posix.stat(support.TESTFN) |
| 1078 | self.assertEqual(s[0] & stat.S_IRWXU, stat.S_IRUSR | stat.S_IWUSR) |
| 1079 | finally: |
| 1080 | posix.close(f) |
| 1081 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1082 | @unittest.skipUnless(os.chown in os.supports_dir_fd, "test needs dir_fd support in os.chown()") |
| 1083 | def test_chown_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1084 | support.unlink(support.TESTFN) |
Victor Stinner | bf81622 | 2011-06-30 23:25:47 +0200 | [diff] [blame] | 1085 | support.create_empty_file(support.TESTFN) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1086 | |
| 1087 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
| 1088 | try: |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1089 | posix.chown(support.TESTFN, os.getuid(), os.getgid(), dir_fd=f) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1090 | finally: |
| 1091 | posix.close(f) |
| 1092 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1093 | @unittest.skipUnless(os.stat in os.supports_dir_fd, "test needs dir_fd support in os.stat()") |
| 1094 | def test_stat_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1095 | support.unlink(support.TESTFN) |
| 1096 | with open(support.TESTFN, 'w') as outfile: |
| 1097 | outfile.write("testline\n") |
| 1098 | |
| 1099 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
| 1100 | try: |
| 1101 | s1 = posix.stat(support.TESTFN) |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1102 | s2 = posix.stat(support.TESTFN, dir_fd=f) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1103 | self.assertEqual(s1, s2) |
Serhiy Storchaka | a2ad5c3 | 2013-01-07 23:13:46 +0200 | [diff] [blame] | 1104 | s2 = posix.stat(support.TESTFN, dir_fd=None) |
| 1105 | self.assertEqual(s1, s2) |
Serhiy Storchaka | 7155b88 | 2016-04-08 08:48:20 +0300 | [diff] [blame] | 1106 | self.assertRaisesRegex(TypeError, 'should be integer or None, not', |
Serhiy Storchaka | a2ad5c3 | 2013-01-07 23:13:46 +0200 | [diff] [blame] | 1107 | posix.stat, support.TESTFN, dir_fd=posix.getcwd()) |
Serhiy Storchaka | 7155b88 | 2016-04-08 08:48:20 +0300 | [diff] [blame] | 1108 | self.assertRaisesRegex(TypeError, 'should be integer or None, not', |
Serhiy Storchaka | a2ad5c3 | 2013-01-07 23:13:46 +0200 | [diff] [blame] | 1109 | posix.stat, support.TESTFN, dir_fd=float(f)) |
| 1110 | self.assertRaises(OverflowError, |
| 1111 | posix.stat, support.TESTFN, dir_fd=10**20) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1112 | finally: |
| 1113 | posix.close(f) |
| 1114 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1115 | @unittest.skipUnless(os.utime in os.supports_dir_fd, "test needs dir_fd support in os.utime()") |
| 1116 | def test_utime_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1117 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
| 1118 | try: |
| 1119 | now = time.time() |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1120 | posix.utime(support.TESTFN, None, dir_fd=f) |
| 1121 | posix.utime(support.TESTFN, dir_fd=f) |
| 1122 | self.assertRaises(TypeError, posix.utime, support.TESTFN, now, dir_fd=f) |
| 1123 | self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, None), dir_fd=f) |
| 1124 | self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, None), dir_fd=f) |
| 1125 | self.assertRaises(TypeError, posix.utime, support.TESTFN, (None, now), dir_fd=f) |
| 1126 | self.assertRaises(TypeError, posix.utime, support.TESTFN, (now, "x"), dir_fd=f) |
| 1127 | posix.utime(support.TESTFN, (int(now), int(now)), dir_fd=f) |
| 1128 | posix.utime(support.TESTFN, (now, now), dir_fd=f) |
| 1129 | posix.utime(support.TESTFN, |
| 1130 | (int(now), int((now - int(now)) * 1e9)), dir_fd=f) |
| 1131 | posix.utime(support.TESTFN, dir_fd=f, |
| 1132 | times=(int(now), int((now - int(now)) * 1e9))) |
| 1133 | |
Larry Hastings | 90867a5 | 2012-06-22 17:01:41 -0700 | [diff] [blame] | 1134 | # try dir_fd and follow_symlinks together |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1135 | if os.utime in os.supports_follow_symlinks: |
Larry Hastings | 90867a5 | 2012-06-22 17:01:41 -0700 | [diff] [blame] | 1136 | try: |
| 1137 | posix.utime(support.TESTFN, follow_symlinks=False, dir_fd=f) |
Georg Brandl | 969288e | 2012-06-26 09:25:44 +0200 | [diff] [blame] | 1138 | except ValueError: |
Larry Hastings | 90867a5 | 2012-06-22 17:01:41 -0700 | [diff] [blame] | 1139 | # whoops! using both together not supported on this platform. |
| 1140 | pass |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1141 | |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1142 | finally: |
| 1143 | posix.close(f) |
| 1144 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1145 | @unittest.skipUnless(os.link in os.supports_dir_fd, "test needs dir_fd support in os.link()") |
| 1146 | def test_link_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1147 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
| 1148 | try: |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1149 | posix.link(support.TESTFN, support.TESTFN + 'link', src_dir_fd=f, dst_dir_fd=f) |
xdegaye | 92c2ca7 | 2017-11-12 17:31:07 +0100 | [diff] [blame] | 1150 | except PermissionError as e: |
| 1151 | self.skipTest('posix.link(): %s' % e) |
| 1152 | else: |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1153 | # should have same inodes |
| 1154 | self.assertEqual(posix.stat(support.TESTFN)[1], |
| 1155 | posix.stat(support.TESTFN + 'link')[1]) |
| 1156 | finally: |
| 1157 | posix.close(f) |
| 1158 | support.unlink(support.TESTFN + 'link') |
| 1159 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1160 | @unittest.skipUnless(os.mkdir in os.supports_dir_fd, "test needs dir_fd support in os.mkdir()") |
| 1161 | def test_mkdir_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1162 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
| 1163 | try: |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1164 | posix.mkdir(support.TESTFN + 'dir', dir_fd=f) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1165 | posix.stat(support.TESTFN + 'dir') # should not raise exception |
| 1166 | finally: |
| 1167 | posix.close(f) |
| 1168 | support.rmtree(support.TESTFN + 'dir') |
| 1169 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1170 | @unittest.skipUnless((os.mknod in os.supports_dir_fd) and hasattr(stat, 'S_IFIFO'), |
| 1171 | "test requires both stat.S_IFIFO and dir_fd support for os.mknod()") |
| 1172 | def test_mknod_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1173 | # Test using mknodat() to create a FIFO (the only use specified |
| 1174 | # by POSIX). |
| 1175 | support.unlink(support.TESTFN) |
| 1176 | mode = stat.S_IFIFO | stat.S_IRUSR | stat.S_IWUSR |
| 1177 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
| 1178 | try: |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1179 | posix.mknod(support.TESTFN, mode, 0, dir_fd=f) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1180 | except OSError as e: |
| 1181 | # Some old systems don't allow unprivileged users to use |
| 1182 | # mknod(), or only support creating device nodes. |
xdegaye | 92c2ca7 | 2017-11-12 17:31:07 +0100 | [diff] [blame] | 1183 | self.assertIn(e.errno, (errno.EPERM, errno.EINVAL, errno.EACCES)) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1184 | else: |
| 1185 | self.assertTrue(stat.S_ISFIFO(posix.stat(support.TESTFN).st_mode)) |
| 1186 | finally: |
| 1187 | posix.close(f) |
| 1188 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1189 | @unittest.skipUnless(os.open in os.supports_dir_fd, "test needs dir_fd support in os.open()") |
| 1190 | def test_open_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1191 | support.unlink(support.TESTFN) |
| 1192 | with open(support.TESTFN, 'w') as outfile: |
| 1193 | outfile.write("testline\n") |
| 1194 | a = posix.open(posix.getcwd(), posix.O_RDONLY) |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1195 | b = posix.open(support.TESTFN, posix.O_RDONLY, dir_fd=a) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1196 | try: |
| 1197 | res = posix.read(b, 9).decode(encoding="utf-8") |
| 1198 | self.assertEqual("testline\n", res) |
| 1199 | finally: |
| 1200 | posix.close(a) |
| 1201 | posix.close(b) |
| 1202 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1203 | @unittest.skipUnless(os.readlink in os.supports_dir_fd, "test needs dir_fd support in os.readlink()") |
| 1204 | def test_readlink_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1205 | os.symlink(support.TESTFN, support.TESTFN + 'link') |
| 1206 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
| 1207 | try: |
| 1208 | self.assertEqual(posix.readlink(support.TESTFN + 'link'), |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1209 | posix.readlink(support.TESTFN + 'link', dir_fd=f)) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1210 | finally: |
| 1211 | support.unlink(support.TESTFN + 'link') |
| 1212 | posix.close(f) |
| 1213 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1214 | @unittest.skipUnless(os.rename in os.supports_dir_fd, "test needs dir_fd support in os.rename()") |
| 1215 | def test_rename_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1216 | support.unlink(support.TESTFN) |
Victor Stinner | bf81622 | 2011-06-30 23:25:47 +0200 | [diff] [blame] | 1217 | support.create_empty_file(support.TESTFN + 'ren') |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1218 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
| 1219 | try: |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1220 | posix.rename(support.TESTFN + 'ren', support.TESTFN, src_dir_fd=f, dst_dir_fd=f) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1221 | except: |
| 1222 | posix.rename(support.TESTFN + 'ren', support.TESTFN) |
| 1223 | raise |
| 1224 | else: |
Andrew Svetlov | 5b89840 | 2012-12-18 21:26:36 +0200 | [diff] [blame] | 1225 | posix.stat(support.TESTFN) # should not raise exception |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1226 | finally: |
| 1227 | posix.close(f) |
| 1228 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1229 | @unittest.skipUnless(os.symlink in os.supports_dir_fd, "test needs dir_fd support in os.symlink()") |
| 1230 | def test_symlink_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1231 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
| 1232 | try: |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1233 | posix.symlink(support.TESTFN, support.TESTFN + 'link', dir_fd=f) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1234 | self.assertEqual(posix.readlink(support.TESTFN + 'link'), support.TESTFN) |
| 1235 | finally: |
| 1236 | posix.close(f) |
| 1237 | support.unlink(support.TESTFN + 'link') |
| 1238 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1239 | @unittest.skipUnless(os.unlink in os.supports_dir_fd, "test needs dir_fd support in os.unlink()") |
| 1240 | def test_unlink_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1241 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
Victor Stinner | bf81622 | 2011-06-30 23:25:47 +0200 | [diff] [blame] | 1242 | support.create_empty_file(support.TESTFN + 'del') |
Andrew Svetlov | 5b89840 | 2012-12-18 21:26:36 +0200 | [diff] [blame] | 1243 | posix.stat(support.TESTFN + 'del') # should not raise exception |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1244 | try: |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1245 | posix.unlink(support.TESTFN + 'del', dir_fd=f) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1246 | except: |
| 1247 | support.unlink(support.TESTFN + 'del') |
| 1248 | raise |
| 1249 | else: |
| 1250 | self.assertRaises(OSError, posix.stat, support.TESTFN + 'link') |
| 1251 | finally: |
| 1252 | posix.close(f) |
| 1253 | |
Larry Hastings | 9cf065c | 2012-06-22 16:30:09 -0700 | [diff] [blame] | 1254 | @unittest.skipUnless(os.mkfifo in os.supports_dir_fd, "test needs dir_fd support in os.mkfifo()") |
| 1255 | def test_mkfifo_dir_fd(self): |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1256 | support.unlink(support.TESTFN) |
| 1257 | f = posix.open(posix.getcwd(), posix.O_RDONLY) |
| 1258 | try: |
xdegaye | 92c2ca7 | 2017-11-12 17:31:07 +0100 | [diff] [blame] | 1259 | try: |
| 1260 | posix.mkfifo(support.TESTFN, |
| 1261 | stat.S_IRUSR | stat.S_IWUSR, dir_fd=f) |
| 1262 | except PermissionError as e: |
| 1263 | self.skipTest('posix.mkfifo(): %s' % e) |
Antoine Pitrou | f65132d | 2011-02-25 23:25:17 +0000 | [diff] [blame] | 1264 | self.assertTrue(stat.S_ISFIFO(posix.stat(support.TESTFN).st_mode)) |
| 1265 | finally: |
| 1266 | posix.close(f) |
| 1267 | |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1268 | requires_sched_h = unittest.skipUnless(hasattr(posix, 'sched_yield'), |
| 1269 | "don't have scheduling support") |
Antoine Pitrou | 8486987 | 2012-08-04 16:16:35 +0200 | [diff] [blame] | 1270 | requires_sched_affinity = unittest.skipUnless(hasattr(posix, 'sched_setaffinity'), |
Benjamin Peterson | 50ba271 | 2011-08-02 22:15:40 -0500 | [diff] [blame] | 1271 | "don't have sched affinity support") |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1272 | |
| 1273 | @requires_sched_h |
| 1274 | def test_sched_yield(self): |
| 1275 | # This has no error conditions (at least on Linux). |
| 1276 | posix.sched_yield() |
| 1277 | |
| 1278 | @requires_sched_h |
Charles-François Natali | ea0d5fc | 2011-09-06 19:03:35 +0200 | [diff] [blame] | 1279 | @unittest.skipUnless(hasattr(posix, 'sched_get_priority_max'), |
| 1280 | "requires sched_get_priority_max()") |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1281 | def test_sched_priority(self): |
| 1282 | # Round-robin usually has interesting priorities. |
| 1283 | pol = posix.SCHED_RR |
| 1284 | lo = posix.sched_get_priority_min(pol) |
| 1285 | hi = posix.sched_get_priority_max(pol) |
| 1286 | self.assertIsInstance(lo, int) |
| 1287 | self.assertIsInstance(hi, int) |
| 1288 | self.assertGreaterEqual(hi, lo) |
Benjamin Peterson | 539b6c4 | 2011-08-02 22:09:37 -0500 | [diff] [blame] | 1289 | # OSX evidently just returns 15 without checking the argument. |
| 1290 | if sys.platform != "darwin": |
Benjamin Peterson | c158158 | 2011-08-02 22:10:55 -0500 | [diff] [blame] | 1291 | self.assertRaises(OSError, posix.sched_get_priority_min, -23) |
| 1292 | self.assertRaises(OSError, posix.sched_get_priority_max, -23) |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1293 | |
Benjamin Peterson | c704222 | 2018-09-12 15:12:24 -0700 | [diff] [blame] | 1294 | @requires_sched |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1295 | def test_get_and_set_scheduler_and_param(self): |
| 1296 | possible_schedulers = [sched for name, sched in posix.__dict__.items() |
| 1297 | if name.startswith("SCHED_")] |
| 1298 | mine = posix.sched_getscheduler(0) |
| 1299 | self.assertIn(mine, possible_schedulers) |
| 1300 | try: |
Jesus Cea | ceb5d16 | 2011-09-10 01:16:55 +0200 | [diff] [blame] | 1301 | parent = posix.sched_getscheduler(os.getppid()) |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1302 | except OSError as e: |
Jesus Cea | ceb5d16 | 2011-09-10 01:16:55 +0200 | [diff] [blame] | 1303 | if e.errno != errno.EPERM: |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1304 | raise |
| 1305 | else: |
Jesus Cea | ceb5d16 | 2011-09-10 01:16:55 +0200 | [diff] [blame] | 1306 | self.assertIn(parent, possible_schedulers) |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1307 | self.assertRaises(OSError, posix.sched_getscheduler, -1) |
| 1308 | self.assertRaises(OSError, posix.sched_getparam, -1) |
| 1309 | param = posix.sched_getparam(0) |
| 1310 | self.assertIsInstance(param.sched_priority, int) |
Charles-François Natali | 7b911cb | 2011-08-21 12:41:43 +0200 | [diff] [blame] | 1311 | |
Charles-François Natali | b402a5c | 2013-01-13 14:13:25 +0100 | [diff] [blame] | 1312 | # POSIX states that calling sched_setparam() or sched_setscheduler() on |
| 1313 | # a process with a scheduling policy other than SCHED_FIFO or SCHED_RR |
| 1314 | # is implementation-defined: NetBSD and FreeBSD can return EINVAL. |
| 1315 | if not sys.platform.startswith(('freebsd', 'netbsd')): |
| 1316 | try: |
| 1317 | posix.sched_setscheduler(0, mine, param) |
| 1318 | posix.sched_setparam(0, param) |
| 1319 | except OSError as e: |
| 1320 | if e.errno != errno.EPERM: |
| 1321 | raise |
Charles-François Natali | 7b911cb | 2011-08-21 12:41:43 +0200 | [diff] [blame] | 1322 | self.assertRaises(OSError, posix.sched_setparam, -1, param) |
| 1323 | |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1324 | self.assertRaises(OSError, posix.sched_setscheduler, -1, mine, param) |
| 1325 | self.assertRaises(TypeError, posix.sched_setscheduler, 0, mine, None) |
| 1326 | self.assertRaises(TypeError, posix.sched_setparam, 0, 43) |
| 1327 | param = posix.sched_param(None) |
| 1328 | self.assertRaises(TypeError, posix.sched_setparam, 0, param) |
| 1329 | large = 214748364700 |
| 1330 | param = posix.sched_param(large) |
| 1331 | self.assertRaises(OverflowError, posix.sched_setparam, 0, param) |
| 1332 | param = posix.sched_param(sched_priority=-large) |
| 1333 | self.assertRaises(OverflowError, posix.sched_setparam, 0, param) |
| 1334 | |
Benjamin Peterson | c5fce4d | 2011-08-02 18:07:32 -0500 | [diff] [blame] | 1335 | @unittest.skipUnless(hasattr(posix, "sched_rr_get_interval"), "no function") |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1336 | def test_sched_rr_get_interval(self): |
Benjamin Peterson | 43234ab | 2011-08-02 22:19:14 -0500 | [diff] [blame] | 1337 | try: |
| 1338 | interval = posix.sched_rr_get_interval(0) |
| 1339 | except OSError as e: |
| 1340 | # This likely means that sched_rr_get_interval is only valid for |
| 1341 | # processes with the SCHED_RR scheduler in effect. |
| 1342 | if e.errno != errno.EINVAL: |
| 1343 | raise |
| 1344 | self.skipTest("only works on SCHED_RR processes") |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1345 | self.assertIsInstance(interval, float) |
| 1346 | # Reasonable constraints, I think. |
| 1347 | self.assertGreaterEqual(interval, 0.) |
| 1348 | self.assertLess(interval, 1.) |
| 1349 | |
Benjamin Peterson | 2740af8 | 2011-08-02 17:41:34 -0500 | [diff] [blame] | 1350 | @requires_sched_affinity |
Antoine Pitrou | 8486987 | 2012-08-04 16:16:35 +0200 | [diff] [blame] | 1351 | def test_sched_getaffinity(self): |
| 1352 | mask = posix.sched_getaffinity(0) |
| 1353 | self.assertIsInstance(mask, set) |
| 1354 | self.assertGreaterEqual(len(mask), 1) |
| 1355 | self.assertRaises(OSError, posix.sched_getaffinity, -1) |
| 1356 | for cpu in mask: |
| 1357 | self.assertIsInstance(cpu, int) |
| 1358 | self.assertGreaterEqual(cpu, 0) |
| 1359 | self.assertLess(cpu, 1 << 32) |
| 1360 | |
| 1361 | @requires_sched_affinity |
| 1362 | def test_sched_setaffinity(self): |
| 1363 | mask = posix.sched_getaffinity(0) |
| 1364 | if len(mask) > 1: |
| 1365 | # Empty masks are forbidden |
| 1366 | mask.pop() |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1367 | posix.sched_setaffinity(0, mask) |
Antoine Pitrou | 8486987 | 2012-08-04 16:16:35 +0200 | [diff] [blame] | 1368 | self.assertEqual(posix.sched_getaffinity(0), mask) |
| 1369 | self.assertRaises(OSError, posix.sched_setaffinity, 0, []) |
| 1370 | self.assertRaises(ValueError, posix.sched_setaffinity, 0, [-10]) |
Miss Islington (bot) | 6fbed53 | 2019-06-27 09:45:30 -0700 | [diff] [blame] | 1371 | self.assertRaises(ValueError, posix.sched_setaffinity, 0, map(int, "0X")) |
Antoine Pitrou | 8486987 | 2012-08-04 16:16:35 +0200 | [diff] [blame] | 1372 | self.assertRaises(OverflowError, posix.sched_setaffinity, 0, [1<<128]) |
Benjamin Peterson | 94b580d | 2011-08-02 17:30:04 -0500 | [diff] [blame] | 1373 | self.assertRaises(OSError, posix.sched_setaffinity, -1, mask) |
| 1374 | |
Victor Stinner | 8b905bd | 2011-10-25 13:34:04 +0200 | [diff] [blame] | 1375 | def test_rtld_constants(self): |
| 1376 | # check presence of major RTLD_* constants |
| 1377 | posix.RTLD_LAZY |
| 1378 | posix.RTLD_NOW |
| 1379 | posix.RTLD_GLOBAL |
| 1380 | posix.RTLD_LOCAL |
| 1381 | |
Jesus Cea | 60c13dd | 2012-06-23 02:58:14 +0200 | [diff] [blame] | 1382 | @unittest.skipUnless(hasattr(os, 'SEEK_HOLE'), |
| 1383 | "test needs an OS that reports file holes") |
Hynek Schlawack | f841e42 | 2012-06-24 09:51:46 +0200 | [diff] [blame] | 1384 | def test_fs_holes(self): |
Jesus Cea | 9436361 | 2012-06-22 18:32:07 +0200 | [diff] [blame] | 1385 | # Even if the filesystem doesn't report holes, |
| 1386 | # if the OS supports it the SEEK_* constants |
| 1387 | # will be defined and will have a consistent |
| 1388 | # behaviour: |
| 1389 | # os.SEEK_DATA = current position |
| 1390 | # os.SEEK_HOLE = end of file position |
Hynek Schlawack | f841e42 | 2012-06-24 09:51:46 +0200 | [diff] [blame] | 1391 | with open(support.TESTFN, 'r+b') as fp: |
Jesus Cea | 9436361 | 2012-06-22 18:32:07 +0200 | [diff] [blame] | 1392 | fp.write(b"hello") |
| 1393 | fp.flush() |
| 1394 | size = fp.tell() |
| 1395 | fno = fp.fileno() |
Jesus Cea | d46f7d2 | 2012-07-07 14:56:04 +0200 | [diff] [blame] | 1396 | try : |
| 1397 | for i in range(size): |
| 1398 | self.assertEqual(i, os.lseek(fno, i, os.SEEK_DATA)) |
| 1399 | self.assertLessEqual(size, os.lseek(fno, i, os.SEEK_HOLE)) |
| 1400 | self.assertRaises(OSError, os.lseek, fno, size, os.SEEK_DATA) |
| 1401 | self.assertRaises(OSError, os.lseek, fno, size, os.SEEK_HOLE) |
| 1402 | except OSError : |
| 1403 | # Some OSs claim to support SEEK_HOLE/SEEK_DATA |
| 1404 | # but it is not true. |
| 1405 | # For instance: |
| 1406 | # http://lists.freebsd.org/pipermail/freebsd-amd64/2012-January/014332.html |
| 1407 | raise unittest.SkipTest("OSError raised!") |
Jesus Cea | 9436361 | 2012-06-22 18:32:07 +0200 | [diff] [blame] | 1408 | |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 1409 | def test_path_error2(self): |
| 1410 | """ |
| 1411 | Test functions that call path_error2(), providing two filenames in their exceptions. |
| 1412 | """ |
Victor Stinner | 047b7ae | 2014-10-05 17:37:41 +0200 | [diff] [blame] | 1413 | for name in ("rename", "replace", "link"): |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 1414 | function = getattr(os, name, None) |
Victor Stinner | bed04a7 | 2014-10-05 17:37:59 +0200 | [diff] [blame] | 1415 | if function is None: |
| 1416 | continue |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 1417 | |
Victor Stinner | bed04a7 | 2014-10-05 17:37:59 +0200 | [diff] [blame] | 1418 | for dst in ("noodly2", support.TESTFN): |
| 1419 | try: |
| 1420 | function('doesnotexistfilename', dst) |
| 1421 | except OSError as e: |
| 1422 | self.assertIn("'doesnotexistfilename' -> '{}'".format(dst), str(e)) |
| 1423 | break |
| 1424 | else: |
| 1425 | self.fail("No valid path_error2() test for os." + name) |
Larry Hastings | b082731 | 2014-02-09 22:05:19 -0800 | [diff] [blame] | 1426 | |
Serhiy Storchaka | 2b0d200 | 2015-04-20 09:53:58 +0300 | [diff] [blame] | 1427 | def test_path_with_null_character(self): |
| 1428 | fn = support.TESTFN |
| 1429 | fn_with_NUL = fn + '\0' |
| 1430 | self.addCleanup(support.unlink, fn) |
| 1431 | support.unlink(fn) |
| 1432 | fd = None |
| 1433 | try: |
Serhiy Storchaka | 7e9d1d1 | 2015-04-20 10:12:28 +0300 | [diff] [blame] | 1434 | with self.assertRaises(ValueError): |
Serhiy Storchaka | 2b0d200 | 2015-04-20 09:53:58 +0300 | [diff] [blame] | 1435 | fd = os.open(fn_with_NUL, os.O_WRONLY | os.O_CREAT) # raises |
| 1436 | finally: |
| 1437 | if fd is not None: |
| 1438 | os.close(fd) |
| 1439 | self.assertFalse(os.path.exists(fn)) |
Serhiy Storchaka | 7e9d1d1 | 2015-04-20 10:12:28 +0300 | [diff] [blame] | 1440 | self.assertRaises(ValueError, os.mkdir, fn_with_NUL) |
Serhiy Storchaka | 2b0d200 | 2015-04-20 09:53:58 +0300 | [diff] [blame] | 1441 | self.assertFalse(os.path.exists(fn)) |
| 1442 | open(fn, 'wb').close() |
Serhiy Storchaka | 7e9d1d1 | 2015-04-20 10:12:28 +0300 | [diff] [blame] | 1443 | self.assertRaises(ValueError, os.stat, fn_with_NUL) |
Serhiy Storchaka | 2b0d200 | 2015-04-20 09:53:58 +0300 | [diff] [blame] | 1444 | |
| 1445 | def test_path_with_null_byte(self): |
| 1446 | fn = os.fsencode(support.TESTFN) |
| 1447 | fn_with_NUL = fn + b'\0' |
| 1448 | self.addCleanup(support.unlink, fn) |
| 1449 | support.unlink(fn) |
| 1450 | fd = None |
| 1451 | try: |
| 1452 | with self.assertRaises(ValueError): |
| 1453 | fd = os.open(fn_with_NUL, os.O_WRONLY | os.O_CREAT) # raises |
| 1454 | finally: |
| 1455 | if fd is not None: |
| 1456 | os.close(fd) |
| 1457 | self.assertFalse(os.path.exists(fn)) |
| 1458 | self.assertRaises(ValueError, os.mkdir, fn_with_NUL) |
| 1459 | self.assertFalse(os.path.exists(fn)) |
| 1460 | open(fn, 'wb').close() |
| 1461 | self.assertRaises(ValueError, os.stat, fn_with_NUL) |
| 1462 | |
Ronald Oussoren | b6ee4f5 | 2010-07-23 13:53:51 +0000 | [diff] [blame] | 1463 | class PosixGroupsTester(unittest.TestCase): |
| 1464 | |
| 1465 | def setUp(self): |
| 1466 | if posix.getuid() != 0: |
| 1467 | raise unittest.SkipTest("not enough privileges") |
| 1468 | if not hasattr(posix, 'getgroups'): |
| 1469 | raise unittest.SkipTest("need posix.getgroups") |
| 1470 | if sys.platform == 'darwin': |
| 1471 | raise unittest.SkipTest("getgroups(2) is broken on OSX") |
| 1472 | self.saved_groups = posix.getgroups() |
| 1473 | |
| 1474 | def tearDown(self): |
| 1475 | if hasattr(posix, 'setgroups'): |
| 1476 | posix.setgroups(self.saved_groups) |
| 1477 | elif hasattr(posix, 'initgroups'): |
| 1478 | name = pwd.getpwuid(posix.getuid()).pw_name |
| 1479 | posix.initgroups(name, self.saved_groups[0]) |
| 1480 | |
| 1481 | @unittest.skipUnless(hasattr(posix, 'initgroups'), |
| 1482 | "test needs posix.initgroups()") |
| 1483 | def test_initgroups(self): |
| 1484 | # find missing group |
| 1485 | |
Benjamin Peterson | 659a6f5 | 2014-03-01 19:14:12 -0500 | [diff] [blame] | 1486 | g = max(self.saved_groups or [0]) + 1 |
Ronald Oussoren | b6ee4f5 | 2010-07-23 13:53:51 +0000 | [diff] [blame] | 1487 | name = pwd.getpwuid(posix.getuid()).pw_name |
| 1488 | posix.initgroups(name, g) |
| 1489 | self.assertIn(g, posix.getgroups()) |
| 1490 | |
| 1491 | @unittest.skipUnless(hasattr(posix, 'setgroups'), |
| 1492 | "test needs posix.setgroups()") |
| 1493 | def test_setgroups(self): |
Antoine Pitrou | e5a9101 | 2010-09-04 17:32:06 +0000 | [diff] [blame] | 1494 | for groups in [[0], list(range(16))]: |
Ronald Oussoren | b6ee4f5 | 2010-07-23 13:53:51 +0000 | [diff] [blame] | 1495 | posix.setgroups(groups) |
| 1496 | self.assertListEqual(groups, posix.getgroups()) |
| 1497 | |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1498 | |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1499 | class _PosixSpawnMixin: |
| 1500 | # Program which does nothing and exits with status 0 (success) |
Victor Stinner | 0382406 | 2018-08-30 01:21:11 +0200 | [diff] [blame] | 1501 | NOOP_PROGRAM = (sys.executable, '-I', '-S', '-c', 'pass') |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1502 | spawn_func = None |
Victor Stinner | 0382406 | 2018-08-30 01:21:11 +0200 | [diff] [blame] | 1503 | |
| 1504 | def python_args(self, *args): |
| 1505 | # Disable site module to avoid side effects. For example, |
| 1506 | # on Fedora 28, if the HOME environment variable is not set, |
| 1507 | # site._getuserbase() calls pwd.getpwuid() which opens |
| 1508 | # /var/lib/sss/mc/passwd but then leaves the file open which makes |
| 1509 | # test_close_file() to fail. |
| 1510 | return (sys.executable, '-I', '-S', *args) |
| 1511 | |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1512 | def test_returns_pid(self): |
| 1513 | pidfile = support.TESTFN |
| 1514 | self.addCleanup(support.unlink, pidfile) |
| 1515 | script = f"""if 1: |
| 1516 | import os |
| 1517 | with open({pidfile!r}, "w") as pidfile: |
| 1518 | pidfile.write(str(os.getpid())) |
| 1519 | """ |
Victor Stinner | 0382406 | 2018-08-30 01:21:11 +0200 | [diff] [blame] | 1520 | args = self.python_args('-c', script) |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1521 | pid = self.spawn_func(args[0], args, os.environ) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1522 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1523 | with open(pidfile) as f: |
| 1524 | self.assertEqual(f.read(), str(pid)) |
| 1525 | |
| 1526 | def test_no_such_executable(self): |
| 1527 | no_such_executable = 'no_such_executable' |
| 1528 | try: |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1529 | pid = self.spawn_func(no_such_executable, |
| 1530 | [no_such_executable], |
| 1531 | os.environ) |
Pablo Galindo | e9b185f2a | 2019-01-21 14:35:43 +0000 | [diff] [blame] | 1532 | # bpo-35794: PermissionError can be raised if there are |
| 1533 | # directories in the $PATH that are not accessible. |
| 1534 | except (FileNotFoundError, PermissionError) as exc: |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1535 | self.assertEqual(exc.filename, no_such_executable) |
| 1536 | else: |
| 1537 | pid2, status = os.waitpid(pid, 0) |
| 1538 | self.assertEqual(pid2, pid) |
| 1539 | self.assertNotEqual(status, 0) |
| 1540 | |
| 1541 | def test_specify_environment(self): |
| 1542 | envfile = support.TESTFN |
| 1543 | self.addCleanup(support.unlink, envfile) |
| 1544 | script = f"""if 1: |
| 1545 | import os |
| 1546 | with open({envfile!r}, "w") as envfile: |
| 1547 | envfile.write(os.environ['foo']) |
| 1548 | """ |
Victor Stinner | 0382406 | 2018-08-30 01:21:11 +0200 | [diff] [blame] | 1549 | args = self.python_args('-c', script) |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1550 | pid = self.spawn_func(args[0], args, |
| 1551 | {**os.environ, 'foo': 'bar'}) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1552 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1553 | with open(envfile) as f: |
| 1554 | self.assertEqual(f.read(), 'bar') |
| 1555 | |
Anthony Shaw | 948ed8c | 2019-05-10 12:00:06 +1000 | [diff] [blame] | 1556 | def test_none_file_actions(self): |
| 1557 | pid = self.spawn_func( |
| 1558 | self.NOOP_PROGRAM[0], |
| 1559 | self.NOOP_PROGRAM, |
| 1560 | os.environ, |
| 1561 | file_actions=None |
| 1562 | ) |
| 1563 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1564 | |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1565 | def test_empty_file_actions(self): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1566 | pid = self.spawn_func( |
Victor Stinner | 0382406 | 2018-08-30 01:21:11 +0200 | [diff] [blame] | 1567 | self.NOOP_PROGRAM[0], |
| 1568 | self.NOOP_PROGRAM, |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1569 | os.environ, |
Serhiy Storchaka | d700f97 | 2018-09-08 14:48:18 +0300 | [diff] [blame] | 1570 | file_actions=[] |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1571 | ) |
| 1572 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1573 | |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1574 | def test_resetids_explicit_default(self): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1575 | pid = self.spawn_func( |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1576 | sys.executable, |
| 1577 | [sys.executable, '-c', 'pass'], |
| 1578 | os.environ, |
| 1579 | resetids=False |
| 1580 | ) |
| 1581 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1582 | |
| 1583 | def test_resetids(self): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1584 | pid = self.spawn_func( |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1585 | sys.executable, |
| 1586 | [sys.executable, '-c', 'pass'], |
| 1587 | os.environ, |
| 1588 | resetids=True |
| 1589 | ) |
| 1590 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1591 | |
| 1592 | def test_resetids_wrong_type(self): |
| 1593 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1594 | self.spawn_func(sys.executable, |
| 1595 | [sys.executable, "-c", "pass"], |
| 1596 | os.environ, resetids=None) |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1597 | |
| 1598 | def test_setpgroup(self): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1599 | pid = self.spawn_func( |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1600 | sys.executable, |
| 1601 | [sys.executable, '-c', 'pass'], |
| 1602 | os.environ, |
| 1603 | setpgroup=os.getpgrp() |
| 1604 | ) |
| 1605 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1606 | |
| 1607 | def test_setpgroup_wrong_type(self): |
| 1608 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1609 | self.spawn_func(sys.executable, |
| 1610 | [sys.executable, "-c", "pass"], |
| 1611 | os.environ, setpgroup="023") |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1612 | |
| 1613 | @unittest.skipUnless(hasattr(signal, 'pthread_sigmask'), |
| 1614 | 'need signal.pthread_sigmask()') |
| 1615 | def test_setsigmask(self): |
| 1616 | code = textwrap.dedent("""\ |
Vladimir Matveev | c24c6c2 | 2019-01-08 01:58:25 -0800 | [diff] [blame] | 1617 | import signal |
| 1618 | signal.raise_signal(signal.SIGUSR1)""") |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1619 | |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1620 | pid = self.spawn_func( |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1621 | sys.executable, |
| 1622 | [sys.executable, '-c', code], |
| 1623 | os.environ, |
| 1624 | setsigmask=[signal.SIGUSR1] |
| 1625 | ) |
| 1626 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1627 | |
| 1628 | def test_setsigmask_wrong_type(self): |
| 1629 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1630 | self.spawn_func(sys.executable, |
| 1631 | [sys.executable, "-c", "pass"], |
| 1632 | os.environ, setsigmask=34) |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1633 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1634 | self.spawn_func(sys.executable, |
| 1635 | [sys.executable, "-c", "pass"], |
| 1636 | os.environ, setsigmask=["j"]) |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1637 | with self.assertRaises(ValueError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1638 | self.spawn_func(sys.executable, |
| 1639 | [sys.executable, "-c", "pass"], |
| 1640 | os.environ, setsigmask=[signal.NSIG, |
| 1641 | signal.NSIG+1]) |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1642 | |
Miss Islington (bot) | e696b15 | 2019-06-14 10:49:22 -0700 | [diff] [blame] | 1643 | def test_setsid(self): |
| 1644 | rfd, wfd = os.pipe() |
| 1645 | self.addCleanup(os.close, rfd) |
Joannah Nanjekye | 80c5dfe | 2019-02-01 13:05:22 +0300 | [diff] [blame] | 1646 | try: |
Miss Islington (bot) | e696b15 | 2019-06-14 10:49:22 -0700 | [diff] [blame] | 1647 | os.set_inheritable(wfd, True) |
| 1648 | |
| 1649 | code = textwrap.dedent(f""" |
| 1650 | import os |
| 1651 | fd = {wfd} |
| 1652 | sid = os.getsid(0) |
| 1653 | os.write(fd, str(sid).encode()) |
| 1654 | """) |
| 1655 | |
| 1656 | try: |
| 1657 | pid = self.spawn_func(sys.executable, |
| 1658 | [sys.executable, "-c", code], |
| 1659 | os.environ, setsid=True) |
| 1660 | except NotImplementedError as exc: |
| 1661 | self.skipTest(f"setsid is not supported: {exc!r}") |
| 1662 | except PermissionError as exc: |
| 1663 | self.skipTest(f"setsid failed with: {exc!r}") |
| 1664 | finally: |
| 1665 | os.close(wfd) |
| 1666 | |
| 1667 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1668 | output = os.read(rfd, 100) |
| 1669 | child_sid = int(output) |
| 1670 | parent_sid = os.getsid(os.getpid()) |
| 1671 | self.assertNotEqual(parent_sid, child_sid) |
Joannah Nanjekye | 80c5dfe | 2019-02-01 13:05:22 +0300 | [diff] [blame] | 1672 | |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1673 | @unittest.skipUnless(hasattr(signal, 'pthread_sigmask'), |
| 1674 | 'need signal.pthread_sigmask()') |
| 1675 | def test_setsigdef(self): |
| 1676 | original_handler = signal.signal(signal.SIGUSR1, signal.SIG_IGN) |
| 1677 | code = textwrap.dedent("""\ |
Vladimir Matveev | c24c6c2 | 2019-01-08 01:58:25 -0800 | [diff] [blame] | 1678 | import signal |
| 1679 | signal.raise_signal(signal.SIGUSR1)""") |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1680 | try: |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1681 | pid = self.spawn_func( |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1682 | sys.executable, |
| 1683 | [sys.executable, '-c', code], |
| 1684 | os.environ, |
| 1685 | setsigdef=[signal.SIGUSR1] |
| 1686 | ) |
| 1687 | finally: |
| 1688 | signal.signal(signal.SIGUSR1, original_handler) |
| 1689 | |
| 1690 | pid2, status = os.waitpid(pid, 0) |
| 1691 | self.assertEqual(pid2, pid) |
| 1692 | self.assertTrue(os.WIFSIGNALED(status), status) |
| 1693 | self.assertEqual(os.WTERMSIG(status), signal.SIGUSR1) |
| 1694 | |
| 1695 | def test_setsigdef_wrong_type(self): |
| 1696 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1697 | self.spawn_func(sys.executable, |
| 1698 | [sys.executable, "-c", "pass"], |
| 1699 | os.environ, setsigdef=34) |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1700 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1701 | self.spawn_func(sys.executable, |
| 1702 | [sys.executable, "-c", "pass"], |
| 1703 | os.environ, setsigdef=["j"]) |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1704 | with self.assertRaises(ValueError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1705 | self.spawn_func(sys.executable, |
| 1706 | [sys.executable, "-c", "pass"], |
| 1707 | os.environ, setsigdef=[signal.NSIG, signal.NSIG+1]) |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1708 | |
Benjamin Peterson | c704222 | 2018-09-12 15:12:24 -0700 | [diff] [blame] | 1709 | @requires_sched |
Pablo Galindo | 3d18b50 | 2018-09-14 15:12:22 -0700 | [diff] [blame] | 1710 | @unittest.skipIf(sys.platform.startswith(('freebsd', 'netbsd')), |
| 1711 | "bpo-34685: test can fail on BSD") |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1712 | def test_setscheduler_only_param(self): |
| 1713 | policy = os.sched_getscheduler(0) |
| 1714 | priority = os.sched_get_priority_min(policy) |
| 1715 | code = textwrap.dedent(f"""\ |
Pablo Galindo | 3d18b50 | 2018-09-14 15:12:22 -0700 | [diff] [blame] | 1716 | import os, sys |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1717 | if os.sched_getscheduler(0) != {policy}: |
Pablo Galindo | 3d18b50 | 2018-09-14 15:12:22 -0700 | [diff] [blame] | 1718 | sys.exit(101) |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1719 | if os.sched_getparam(0).sched_priority != {priority}: |
Pablo Galindo | 3d18b50 | 2018-09-14 15:12:22 -0700 | [diff] [blame] | 1720 | sys.exit(102)""") |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1721 | pid = self.spawn_func( |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1722 | sys.executable, |
| 1723 | [sys.executable, '-c', code], |
| 1724 | os.environ, |
| 1725 | scheduler=(None, os.sched_param(priority)) |
| 1726 | ) |
| 1727 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1728 | |
Benjamin Peterson | c704222 | 2018-09-12 15:12:24 -0700 | [diff] [blame] | 1729 | @requires_sched |
Pablo Galindo | 3d18b50 | 2018-09-14 15:12:22 -0700 | [diff] [blame] | 1730 | @unittest.skipIf(sys.platform.startswith(('freebsd', 'netbsd')), |
| 1731 | "bpo-34685: test can fail on BSD") |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1732 | def test_setscheduler_with_policy(self): |
| 1733 | policy = os.sched_getscheduler(0) |
| 1734 | priority = os.sched_get_priority_min(policy) |
| 1735 | code = textwrap.dedent(f"""\ |
Pablo Galindo | 3d18b50 | 2018-09-14 15:12:22 -0700 | [diff] [blame] | 1736 | import os, sys |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1737 | if os.sched_getscheduler(0) != {policy}: |
Pablo Galindo | 3d18b50 | 2018-09-14 15:12:22 -0700 | [diff] [blame] | 1738 | sys.exit(101) |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1739 | if os.sched_getparam(0).sched_priority != {priority}: |
Pablo Galindo | 3d18b50 | 2018-09-14 15:12:22 -0700 | [diff] [blame] | 1740 | sys.exit(102)""") |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1741 | pid = self.spawn_func( |
Pablo Galindo | 254a466 | 2018-09-07 16:44:24 +0100 | [diff] [blame] | 1742 | sys.executable, |
| 1743 | [sys.executable, '-c', code], |
| 1744 | os.environ, |
| 1745 | scheduler=(policy, os.sched_param(priority)) |
| 1746 | ) |
| 1747 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1748 | |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1749 | def test_multiple_file_actions(self): |
| 1750 | file_actions = [ |
| 1751 | (os.POSIX_SPAWN_OPEN, 3, os.path.realpath(__file__), os.O_RDONLY, 0), |
| 1752 | (os.POSIX_SPAWN_CLOSE, 0), |
| 1753 | (os.POSIX_SPAWN_DUP2, 1, 4), |
| 1754 | ] |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1755 | pid = self.spawn_func(self.NOOP_PROGRAM[0], |
| 1756 | self.NOOP_PROGRAM, |
| 1757 | os.environ, |
| 1758 | file_actions=file_actions) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1759 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1760 | |
| 1761 | def test_bad_file_actions(self): |
Victor Stinner | 0382406 | 2018-08-30 01:21:11 +0200 | [diff] [blame] | 1762 | args = self.NOOP_PROGRAM |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1763 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1764 | self.spawn_func(args[0], args, os.environ, |
| 1765 | file_actions=[None]) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1766 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1767 | self.spawn_func(args[0], args, os.environ, |
| 1768 | file_actions=[()]) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1769 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1770 | self.spawn_func(args[0], args, os.environ, |
| 1771 | file_actions=[(None,)]) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1772 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1773 | self.spawn_func(args[0], args, os.environ, |
| 1774 | file_actions=[(12345,)]) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1775 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1776 | self.spawn_func(args[0], args, os.environ, |
| 1777 | file_actions=[(os.POSIX_SPAWN_CLOSE,)]) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1778 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1779 | self.spawn_func(args[0], args, os.environ, |
| 1780 | file_actions=[(os.POSIX_SPAWN_CLOSE, 1, 2)]) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1781 | with self.assertRaises(TypeError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1782 | self.spawn_func(args[0], args, os.environ, |
| 1783 | file_actions=[(os.POSIX_SPAWN_CLOSE, None)]) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1784 | with self.assertRaises(ValueError): |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1785 | self.spawn_func(args[0], args, os.environ, |
| 1786 | file_actions=[(os.POSIX_SPAWN_OPEN, |
| 1787 | 3, __file__ + '\0', |
| 1788 | os.O_RDONLY, 0)]) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1789 | |
| 1790 | def test_open_file(self): |
| 1791 | outfile = support.TESTFN |
| 1792 | self.addCleanup(support.unlink, outfile) |
| 1793 | script = """if 1: |
| 1794 | import sys |
| 1795 | sys.stdout.write("hello") |
| 1796 | """ |
| 1797 | file_actions = [ |
| 1798 | (os.POSIX_SPAWN_OPEN, 1, outfile, |
| 1799 | os.O_WRONLY | os.O_CREAT | os.O_TRUNC, |
| 1800 | stat.S_IRUSR | stat.S_IWUSR), |
| 1801 | ] |
Victor Stinner | 0382406 | 2018-08-30 01:21:11 +0200 | [diff] [blame] | 1802 | args = self.python_args('-c', script) |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1803 | pid = self.spawn_func(args[0], args, os.environ, |
| 1804 | file_actions=file_actions) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1805 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1806 | with open(outfile) as f: |
| 1807 | self.assertEqual(f.read(), 'hello') |
| 1808 | |
| 1809 | def test_close_file(self): |
| 1810 | closefile = support.TESTFN |
| 1811 | self.addCleanup(support.unlink, closefile) |
| 1812 | script = f"""if 1: |
| 1813 | import os |
| 1814 | try: |
| 1815 | os.fstat(0) |
| 1816 | except OSError as e: |
| 1817 | with open({closefile!r}, 'w') as closefile: |
| 1818 | closefile.write('is closed %d' % e.errno) |
| 1819 | """ |
Victor Stinner | 0382406 | 2018-08-30 01:21:11 +0200 | [diff] [blame] | 1820 | args = self.python_args('-c', script) |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1821 | pid = self.spawn_func(args[0], args, os.environ, |
| 1822 | file_actions=[(os.POSIX_SPAWN_CLOSE, 0)]) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1823 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1824 | with open(closefile) as f: |
| 1825 | self.assertEqual(f.read(), 'is closed %d' % errno.EBADF) |
| 1826 | |
| 1827 | def test_dup2(self): |
| 1828 | dupfile = support.TESTFN |
| 1829 | self.addCleanup(support.unlink, dupfile) |
| 1830 | script = """if 1: |
| 1831 | import sys |
| 1832 | sys.stdout.write("hello") |
| 1833 | """ |
| 1834 | with open(dupfile, "wb") as childfile: |
| 1835 | file_actions = [ |
| 1836 | (os.POSIX_SPAWN_DUP2, childfile.fileno(), 1), |
| 1837 | ] |
Victor Stinner | 0382406 | 2018-08-30 01:21:11 +0200 | [diff] [blame] | 1838 | args = self.python_args('-c', script) |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1839 | pid = self.spawn_func(args[0], args, os.environ, |
| 1840 | file_actions=file_actions) |
Serhiy Storchaka | ef34753 | 2018-05-01 16:45:04 +0300 | [diff] [blame] | 1841 | self.assertEqual(os.waitpid(pid, 0), (pid, 0)) |
| 1842 | with open(dupfile) as f: |
| 1843 | self.assertEqual(f.read(), 'hello') |
| 1844 | |
| 1845 | |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1846 | @unittest.skipUnless(hasattr(os, 'posix_spawn'), "test needs os.posix_spawn") |
| 1847 | class TestPosixSpawn(unittest.TestCase, _PosixSpawnMixin): |
| 1848 | spawn_func = getattr(posix, 'posix_spawn', None) |
| 1849 | |
| 1850 | |
| 1851 | @unittest.skipUnless(hasattr(os, 'posix_spawnp'), "test needs os.posix_spawnp") |
| 1852 | class TestPosixSpawnP(unittest.TestCase, _PosixSpawnMixin): |
| 1853 | spawn_func = getattr(posix, 'posix_spawnp', None) |
| 1854 | |
| 1855 | @support.skip_unless_symlink |
| 1856 | def test_posix_spawnp(self): |
| 1857 | # Use a symlink to create a program in its own temporary directory |
| 1858 | temp_dir = tempfile.mkdtemp() |
| 1859 | self.addCleanup(support.rmtree, temp_dir) |
| 1860 | |
| 1861 | program = 'posix_spawnp_test_program.exe' |
| 1862 | program_fullpath = os.path.join(temp_dir, program) |
| 1863 | os.symlink(sys.executable, program_fullpath) |
| 1864 | |
| 1865 | try: |
| 1866 | path = os.pathsep.join((temp_dir, os.environ['PATH'])) |
| 1867 | except KeyError: |
| 1868 | path = temp_dir # PATH is not set |
| 1869 | |
| 1870 | spawn_args = (program, '-I', '-S', '-c', 'pass') |
| 1871 | code = textwrap.dedent(""" |
| 1872 | import os |
| 1873 | args = %a |
| 1874 | pid = os.posix_spawnp(args[0], args, os.environ) |
| 1875 | pid2, status = os.waitpid(pid, 0) |
| 1876 | if pid2 != pid: |
| 1877 | raise Exception(f"pid {pid2} != {pid}") |
| 1878 | if status != 0: |
| 1879 | raise Exception(f"status {status} != 0") |
| 1880 | """ % (spawn_args,)) |
| 1881 | |
| 1882 | # Use a subprocess to test os.posix_spawnp() with a modified PATH |
| 1883 | # environment variable: posix_spawnp() uses the current environment |
| 1884 | # to locate the program, not its environment argument. |
| 1885 | args = ('-c', code) |
| 1886 | assert_python_ok(*args, PATH=path) |
| 1887 | |
| 1888 | |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 1889 | def test_main(): |
Antoine Pitrou | 68c9592 | 2011-03-20 17:33:57 +0100 | [diff] [blame] | 1890 | try: |
Joannah Nanjekye | 92b8322 | 2019-01-16 16:29:26 +0300 | [diff] [blame] | 1891 | support.run_unittest( |
| 1892 | PosixTester, |
| 1893 | PosixGroupsTester, |
| 1894 | TestPosixSpawn, |
| 1895 | TestPosixSpawnP, |
| 1896 | ) |
Antoine Pitrou | 68c9592 | 2011-03-20 17:33:57 +0100 | [diff] [blame] | 1897 | finally: |
| 1898 | support.reap_children() |
Neal Norwitz | e241ce8 | 2003-02-17 18:17:05 +0000 | [diff] [blame] | 1899 | |
| 1900 | if __name__ == '__main__': |
| 1901 | test_main() |