diff options
Diffstat (limited to 'lib/python2.7/test/test_posix.py')
| -rw-r--r-- | lib/python2.7/test/test_posix.py | 546 |
1 files changed, 0 insertions, 546 deletions
diff --git a/lib/python2.7/test/test_posix.py b/lib/python2.7/test/test_posix.py deleted file mode 100644 index b0a8cdf..0000000 --- a/lib/python2.7/test/test_posix.py +++ /dev/null @@ -1,546 +0,0 @@ -"Test posix functions" - -from test import test_support - -# Skip these tests if there is no posix module. -posix = test_support.import_module('posix') - -import errno -import sys -import time -import os -import platform -import pwd -import shutil -import stat -import sys -import tempfile -import unittest -import warnings - -_DUMMY_SYMLINK = os.path.join(tempfile.gettempdir(), - test_support.TESTFN + '-dummy-symlink') - -warnings.filterwarnings('ignore', '.* potential security risk .*', - RuntimeWarning) - -class PosixTester(unittest.TestCase): - - def setUp(self): - # create empty file - fp = open(test_support.TESTFN, 'w+') - fp.close() - self.teardown_files = [ test_support.TESTFN ] - - def tearDown(self): - for teardown_file in self.teardown_files: - os.unlink(teardown_file) - - def testNoArgFunctions(self): - # test posix functions which take no arguments and have - # no side-effects which we need to cleanup (e.g., fork, wait, abort) - NO_ARG_FUNCTIONS = [ "ctermid", "getcwd", "getcwdu", "uname", - "times", "getloadavg", "tmpnam", - "getegid", "geteuid", "getgid", "getgroups", - "getpid", "getpgrp", "getppid", "getuid", - ] - - with warnings.catch_warnings(): - warnings.filterwarnings("ignore", "", DeprecationWarning) - for name in NO_ARG_FUNCTIONS: - posix_func = getattr(posix, name, None) - if posix_func is not None: - posix_func() - self.assertRaises(TypeError, posix_func, 1) - - if hasattr(posix, 'getresuid'): - def test_getresuid(self): - user_ids = posix.getresuid() - self.assertEqual(len(user_ids), 3) - for val in user_ids: - self.assertGreaterEqual(val, 0) - - if hasattr(posix, 'getresgid'): - def test_getresgid(self): - group_ids = posix.getresgid() - self.assertEqual(len(group_ids), 3) - for val in group_ids: - self.assertGreaterEqual(val, 0) - - if hasattr(posix, 'setresuid'): - def test_setresuid(self): - current_user_ids = posix.getresuid() - self.assertIsNone(posix.setresuid(*current_user_ids)) - # -1 means don't change that value. - self.assertIsNone(posix.setresuid(-1, -1, -1)) - - def test_setresuid_exception(self): - # Don't do this test if someone is silly enough to run us as root. - current_user_ids = posix.getresuid() - if 0 not in current_user_ids: - new_user_ids = (current_user_ids[0]+1, -1, -1) - self.assertRaises(OSError, posix.setresuid, *new_user_ids) - - if hasattr(posix, 'setresgid'): - def test_setresgid(self): - current_group_ids = posix.getresgid() - self.assertIsNone(posix.setresgid(*current_group_ids)) - # -1 means don't change that value. - self.assertIsNone(posix.setresgid(-1, -1, -1)) - - def test_setresgid_exception(self): - # Don't do this test if someone is silly enough to run us as root. - current_group_ids = posix.getresgid() - if 0 not in current_group_ids: - new_group_ids = (current_group_ids[0]+1, -1, -1) - self.assertRaises(OSError, posix.setresgid, *new_group_ids) - - @unittest.skipUnless(hasattr(posix, 'initgroups'), - "test needs os.initgroups()") - def test_initgroups(self): - # It takes a string and an integer; check that it raises a TypeError - # for other argument lists. - self.assertRaises(TypeError, posix.initgroups) - self.assertRaises(TypeError, posix.initgroups, None) - self.assertRaises(TypeError, posix.initgroups, 3, "foo") - self.assertRaises(TypeError, posix.initgroups, "foo", 3, object()) - - # If a non-privileged user invokes it, it should fail with OSError - # EPERM. - if os.getuid() != 0: - try: - name = pwd.getpwuid(posix.getuid()).pw_name - except KeyError: - # the current UID may not have a pwd entry - raise unittest.SkipTest("need a pwd entry") - try: - posix.initgroups(name, 13) - except OSError as e: - self.assertEqual(e.errno, errno.EPERM) - else: - self.fail("Expected OSError to be raised by initgroups") - - def test_statvfs(self): - if hasattr(posix, 'statvfs'): - self.assertTrue(posix.statvfs(os.curdir)) - - def test_fstatvfs(self): - if hasattr(posix, 'fstatvfs'): - fp = open(test_support.TESTFN) - try: - self.assertTrue(posix.fstatvfs(fp.fileno())) - finally: - fp.close() - - def test_ftruncate(self): - if hasattr(posix, 'ftruncate'): - fp = open(test_support.TESTFN, 'w+') - try: - # we need to have some data to truncate - fp.write('test') - fp.flush() - posix.ftruncate(fp.fileno(), 0) - finally: - fp.close() - - def test_dup(self): - if hasattr(posix, 'dup'): - fp = open(test_support.TESTFN) - try: - fd = posix.dup(fp.fileno()) - self.assertIsInstance(fd, int) - os.close(fd) - finally: - fp.close() - - def test_confstr(self): - if hasattr(posix, 'confstr'): - self.assertRaises(ValueError, posix.confstr, "CS_garbage") - self.assertEqual(len(posix.confstr("CS_PATH")) > 0, True) - - def test_dup2(self): - if hasattr(posix, 'dup2'): - fp1 = open(test_support.TESTFN) - fp2 = open(test_support.TESTFN) - try: - posix.dup2(fp1.fileno(), fp2.fileno()) - finally: - fp1.close() - fp2.close() - - def fdopen_helper(self, *args): - fd = os.open(test_support.TESTFN, os.O_RDONLY) - fp2 = posix.fdopen(fd, *args) - fp2.close() - - def test_fdopen(self): - if hasattr(posix, 'fdopen'): - self.fdopen_helper() - self.fdopen_helper('r') - self.fdopen_helper('r', 100) - - def test_osexlock(self): - if hasattr(posix, "O_EXLOCK"): - fd = os.open(test_support.TESTFN, - os.O_WRONLY|os.O_EXLOCK|os.O_CREAT) - self.assertRaises(OSError, os.open, test_support.TESTFN, - os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK) - os.close(fd) - - if hasattr(posix, "O_SHLOCK"): - fd = os.open(test_support.TESTFN, - os.O_WRONLY|os.O_SHLOCK|os.O_CREAT) - self.assertRaises(OSError, os.open, test_support.TESTFN, - os.O_WRONLY|os.O_EXLOCK|os.O_NONBLOCK) - os.close(fd) - - def test_osshlock(self): - if hasattr(posix, "O_SHLOCK"): - fd1 = os.open(test_support.TESTFN, - os.O_WRONLY|os.O_SHLOCK|os.O_CREAT) - fd2 = os.open(test_support.TESTFN, - os.O_WRONLY|os.O_SHLOCK|os.O_CREAT) - os.close(fd2) - os.close(fd1) - - if hasattr(posix, "O_EXLOCK"): - fd = os.open(test_support.TESTFN, - os.O_WRONLY|os.O_SHLOCK|os.O_CREAT) - self.assertRaises(OSError, os.open, test_support.TESTFN, - os.O_RDONLY|os.O_EXLOCK|os.O_NONBLOCK) - os.close(fd) - - def test_fstat(self): - if hasattr(posix, 'fstat'): - fp = open(test_support.TESTFN) - try: - self.assertTrue(posix.fstat(fp.fileno())) - finally: - fp.close() - - def test_stat(self): - if hasattr(posix, 'stat'): - self.assertTrue(posix.stat(test_support.TESTFN)) - - def _test_all_chown_common(self, chown_func, first_param, stat_func): - """Common code for chown, fchown and lchown tests.""" - def check_stat(uid, gid): - if stat_func is not None: - stat = stat_func(first_param) - self.assertEqual(stat.st_uid, uid) - self.assertEqual(stat.st_gid, gid) - uid = os.getuid() - gid = os.getgid() - # test a successful chown call - chown_func(first_param, uid, gid) - check_stat(uid, gid) - chown_func(first_param, -1, gid) - check_stat(uid, gid) - chown_func(first_param, uid, -1) - check_stat(uid, gid) - - if uid == 0: - # Try an amusingly large uid/gid to make sure we handle - # large unsigned values. (chown lets you use any - # uid/gid you like, even if they aren't defined.) - # - # This problem keeps coming up: - # http://bugs.python.org/issue1747858 - # http://bugs.python.org/issue4591 - # http://bugs.python.org/issue15301 - # Hopefully the fix in 4591 fixes it for good! - # - # This part of the test only runs when run as root. - # Only scary people run their tests as root. - - big_value = 2**31 - chown_func(first_param, big_value, big_value) - check_stat(big_value, big_value) - chown_func(first_param, -1, -1) - check_stat(big_value, big_value) - chown_func(first_param, uid, gid) - check_stat(uid, gid) - elif platform.system() in ('HP-UX', 'SunOS'): - # HP-UX and Solaris can allow a non-root user to chown() to root - # (issue #5113) - raise unittest.SkipTest("Skipping because of non-standard chown() " - "behavior") - else: - # non-root cannot chown to root, raises OSError - self.assertRaises(OSError, chown_func, first_param, 0, 0) - check_stat(uid, gid) - self.assertRaises(OSError, chown_func, first_param, 0, -1) - check_stat(uid, gid) - if 0 not in os.getgroups(): - self.assertRaises(OSError, chown_func, first_param, -1, 0) - check_stat(uid, gid) - # test illegal types - for t in str, float: - self.assertRaises(TypeError, chown_func, first_param, t(uid), gid) - check_stat(uid, gid) - self.assertRaises(TypeError, chown_func, first_param, uid, t(gid)) - check_stat(uid, gid) - - @unittest.skipUnless(hasattr(posix, 'chown'), "test needs os.chown()") - def test_chown(self): - # raise an OSError if the file does not exist - os.unlink(test_support.TESTFN) - self.assertRaises(OSError, posix.chown, test_support.TESTFN, -1, -1) - - # re-create the file - open(test_support.TESTFN, 'w').close() - self._test_all_chown_common(posix.chown, test_support.TESTFN, - getattr(posix, 'stat', None)) - - @unittest.skipUnless(hasattr(posix, 'fchown'), "test needs os.fchown()") - def test_fchown(self): - os.unlink(test_support.TESTFN) - - # re-create the file - test_file = open(test_support.TESTFN, 'w') - try: - fd = test_file.fileno() - self._test_all_chown_common(posix.fchown, fd, - getattr(posix, 'fstat', None)) - finally: - test_file.close() - - @unittest.skipUnless(hasattr(posix, 'lchown'), "test needs os.lchown()") - def test_lchown(self): - os.unlink(test_support.TESTFN) - # create a symlink - os.symlink(_DUMMY_SYMLINK, test_support.TESTFN) - self._test_all_chown_common(posix.lchown, test_support.TESTFN, - getattr(posix, 'lstat', None)) - - def test_chdir(self): - if hasattr(posix, 'chdir'): - posix.chdir(os.curdir) - self.assertRaises(OSError, posix.chdir, test_support.TESTFN) - - def test_lsdir(self): - if hasattr(posix, 'lsdir'): - self.assertIn(test_support.TESTFN, posix.lsdir(os.curdir)) - - def test_access(self): - if hasattr(posix, 'access'): - self.assertTrue(posix.access(test_support.TESTFN, os.R_OK)) - - def test_umask(self): - if hasattr(posix, 'umask'): - old_mask = posix.umask(0) - self.assertIsInstance(old_mask, int) - posix.umask(old_mask) - - def test_strerror(self): - if hasattr(posix, 'strerror'): - self.assertTrue(posix.strerror(0)) - - def test_pipe(self): - if hasattr(posix, 'pipe'): - reader, writer = posix.pipe() - os.close(reader) - os.close(writer) - - def test_tempnam(self): - if hasattr(posix, 'tempnam'): - with warnings.catch_warnings(): - warnings.filterwarnings("ignore", "tempnam", DeprecationWarning) - self.assertTrue(posix.tempnam()) - self.assertTrue(posix.tempnam(os.curdir)) - self.assertTrue(posix.tempnam(os.curdir, 'blah')) - - def test_tmpfile(self): - if hasattr(posix, 'tmpfile'): - with warnings.catch_warnings(): - warnings.filterwarnings("ignore", "tmpfile", DeprecationWarning) - fp = posix.tmpfile() - fp.close() - - def test_utime(self): - if hasattr(posix, 'utime'): - now = time.time() - posix.utime(test_support.TESTFN, None) - self.assertRaises(TypeError, posix.utime, test_support.TESTFN, (None, None)) - self.assertRaises(TypeError, posix.utime, test_support.TESTFN, (now, None)) - self.assertRaises(TypeError, posix.utime, test_support.TESTFN, (None, now)) - posix.utime(test_support.TESTFN, (int(now), int(now))) - posix.utime(test_support.TESTFN, (now, now)) - - def _test_chflags_regular_file(self, chflags_func, target_file): - st = os.stat(target_file) - self.assertTrue(hasattr(st, 'st_flags')) - - # ZFS returns EOPNOTSUPP when attempting to set flag UF_IMMUTABLE. - try: - chflags_func(target_file, st.st_flags | stat.UF_IMMUTABLE) - except OSError as err: - if err.errno != errno.EOPNOTSUPP: - raise - msg = 'chflag UF_IMMUTABLE not supported by underlying fs' - self.skipTest(msg) - - try: - new_st = os.stat(target_file) - self.assertEqual(st.st_flags | stat.UF_IMMUTABLE, new_st.st_flags) - try: - fd = open(target_file, 'w+') - except IOError as e: - self.assertEqual(e.errno, errno.EPERM) - finally: - posix.chflags(target_file, st.st_flags) - - @unittest.skipUnless(hasattr(posix, 'chflags'), 'test needs os.chflags()') - def test_chflags(self): - self._test_chflags_regular_file(posix.chflags, test_support.TESTFN) - - @unittest.skipUnless(hasattr(posix, 'lchflags'), 'test needs os.lchflags()') - def test_lchflags_regular_file(self): - self._test_chflags_regular_file(posix.lchflags, test_support.TESTFN) - - @unittest.skipUnless(hasattr(posix, 'lchflags'), 'test needs os.lchflags()') - def test_lchflags_symlink(self): - testfn_st = os.stat(test_support.TESTFN) - - self.assertTrue(hasattr(testfn_st, 'st_flags')) - - os.symlink(test_support.TESTFN, _DUMMY_SYMLINK) - self.teardown_files.append(_DUMMY_SYMLINK) - dummy_symlink_st = os.lstat(_DUMMY_SYMLINK) - - # ZFS returns EOPNOTSUPP when attempting to set flag UF_IMMUTABLE. - try: - posix.lchflags(_DUMMY_SYMLINK, - dummy_symlink_st.st_flags | stat.UF_IMMUTABLE) - except OSError as err: - if err.errno != errno.EOPNOTSUPP: - raise - msg = 'chflag UF_IMMUTABLE not supported by underlying fs' - self.skipTest(msg) - - try: - new_testfn_st = os.stat(test_support.TESTFN) - new_dummy_symlink_st = os.lstat(_DUMMY_SYMLINK) - - self.assertEqual(testfn_st.st_flags, new_testfn_st.st_flags) - self.assertEqual(dummy_symlink_st.st_flags | stat.UF_IMMUTABLE, - new_dummy_symlink_st.st_flags) - finally: - posix.lchflags(_DUMMY_SYMLINK, dummy_symlink_st.st_flags) - - def test_getcwd_long_pathnames(self): - if hasattr(posix, 'getcwd'): - dirname = 'getcwd-test-directory-0123456789abcdef-01234567890abcdef' - curdir = os.getcwd() - base_path = os.path.abspath(test_support.TESTFN) + '.getcwd' - - try: - os.mkdir(base_path) - os.chdir(base_path) - except: -# Just returning nothing instead of the SkipTest exception, -# because the test results in Error in that case. -# Is that ok? -# raise unittest.SkipTest, "cannot create directory for testing" - return - - try: - def _create_and_do_getcwd(dirname, current_path_length = 0): - try: - os.mkdir(dirname) - except: - raise unittest.SkipTest, "mkdir cannot create directory sufficiently deep for getcwd test" - - os.chdir(dirname) - try: - os.getcwd() - if current_path_length < 4099: - _create_and_do_getcwd(dirname, current_path_length + len(dirname) + 1) - except OSError as e: - expected_errno = errno.ENAMETOOLONG - # The following platforms have quirky getcwd() - # behaviour -- see issue 9185 and 15765 for - # more information. - quirky_platform = ( - 'sunos' in sys.platform or - 'netbsd' in sys.platform or - 'openbsd' in sys.platform - ) - if quirky_platform: - expected_errno = errno.ERANGE - self.assertEqual(e.errno, expected_errno) - finally: - os.chdir('..') - os.rmdir(dirname) - - _create_and_do_getcwd(dirname) - - finally: - os.chdir(curdir) - shutil.rmtree(base_path) - - @unittest.skipUnless(hasattr(os, 'getegid'), "test needs os.getegid()") - def test_getgroups(self): - with os.popen('id -G') as idg: - groups = idg.read().strip() - ret = idg.close() - - if ret != None or not groups: - raise unittest.SkipTest("need working 'id -G'") - - # Issues 16698: OS X ABIs prior to 10.6 have limits on getgroups() - if sys.platform == 'darwin': - import sysconfig - dt = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET') or '10.0' - if float(dt) < 10.6: - raise unittest.SkipTest("getgroups(2) is broken prior to 10.6") - - # 'id -G' and 'os.getgroups()' should return the same - # groups, ignoring order and duplicates. - # #10822 - it is implementation defined whether posix.getgroups() - # includes the effective gid so we include it anyway, since id -G does - self.assertEqual( - set([int(x) for x in groups.split()]), - set(posix.getgroups() + [posix.getegid()])) - -class PosixGroupsTester(unittest.TestCase): - - def setUp(self): - if posix.getuid() != 0: - raise unittest.SkipTest("not enough privileges") - if not hasattr(posix, 'getgroups'): - raise unittest.SkipTest("need posix.getgroups") - if sys.platform == 'darwin': - raise unittest.SkipTest("getgroups(2) is broken on OSX") - self.saved_groups = posix.getgroups() - - def tearDown(self): - if hasattr(posix, 'setgroups'): - posix.setgroups(self.saved_groups) - elif hasattr(posix, 'initgroups'): - name = pwd.getpwuid(posix.getuid()).pw_name - posix.initgroups(name, self.saved_groups[0]) - - @unittest.skipUnless(hasattr(posix, 'initgroups'), - "test needs posix.initgroups()") - def test_initgroups(self): - # find missing group - - g = max(self.saved_groups) + 1 - name = pwd.getpwuid(posix.getuid()).pw_name - posix.initgroups(name, g) - self.assertIn(g, posix.getgroups()) - - @unittest.skipUnless(hasattr(posix, 'setgroups'), - "test needs posix.setgroups()") - def test_setgroups(self): - for groups in [[0], range(16)]: - posix.setgroups(groups) - self.assertListEqual(groups, posix.getgroups()) - - -def test_main(): - test_support.run_unittest(PosixTester, PosixGroupsTester) - -if __name__ == '__main__': - test_main() |