| import os |
| import posixpath |
| import sys |
| import unittest |
| from functools import partial |
| from posixpath import realpath, abspath, dirname, basename, ALLOW_MISSING |
| from test import support |
| from test import test_genericpath |
| from test.support import import_helper |
| from test.support import os_helper |
| from test.support.os_helper import FakePath |
| from unittest import mock |
| |
| try: |
| import posix |
| except ImportError: |
| posix = None |
| |
| |
| # An absolute path to a temporary filename for testing. We can't rely on TESTFN |
| # being an absolute path, so we need this. |
| |
| ABSTFN = abspath(os_helper.TESTFN) |
| |
| def skip_if_ABSTFN_contains_backslash(test): |
| """ |
| On Windows, posixpath.abspath still returns paths with backslashes |
| instead of posix forward slashes. If this is the case, several tests |
| fail, so skip them. |
| """ |
| found_backslash = '\\' in ABSTFN |
| msg = "ABSTFN is not a posix path - tests fail" |
| return [test, unittest.skip(msg)(test)][found_backslash] |
| |
| def safe_rmdir(dirname): |
| try: |
| os.rmdir(dirname) |
| except OSError: |
| pass |
| |
| def _parameterize(*parameters): |
| """Simplistic decorator to parametrize a test |
| |
| Runs the decorated test multiple times in subTest, with a value from |
| 'parameters' passed as an extra positional argument. |
| Does *not* call doCleanups() after each run. |
| |
| Not for general use. Intended to avoid indenting for easier backports. |
| |
| See https://discuss.python.org/t/91827 for discussing generalizations. |
| """ |
| def _parametrize_decorator(func): |
| def _parameterized(self, *args, **kwargs): |
| for parameter in parameters: |
| with self.subTest(parameter): |
| func(self, *args, parameter, **kwargs) |
| return _parameterized |
| return _parametrize_decorator |
| |
| |
| class PosixPathTest(unittest.TestCase): |
| |
| def setUp(self): |
| self.tearDown() |
| |
| def tearDown(self): |
| for suffix in ["", "1", "2"]: |
| os_helper.unlink(os_helper.TESTFN + suffix) |
| safe_rmdir(os_helper.TESTFN + suffix) |
| |
| def test_join(self): |
| self.assertEqual(posixpath.join("/foo", "bar", "/bar", "baz"), |
| "/bar/baz") |
| self.assertEqual(posixpath.join("/foo", "bar", "baz"), "/foo/bar/baz") |
| self.assertEqual(posixpath.join("/foo/", "bar/", "baz/"), |
| "/foo/bar/baz/") |
| |
| self.assertEqual(posixpath.join(b"/foo", b"bar", b"/bar", b"baz"), |
| b"/bar/baz") |
| self.assertEqual(posixpath.join(b"/foo", b"bar", b"baz"), |
| b"/foo/bar/baz") |
| self.assertEqual(posixpath.join(b"/foo/", b"bar/", b"baz/"), |
| b"/foo/bar/baz/") |
| |
| def test_split(self): |
| self.assertEqual(posixpath.split("/foo/bar"), ("/foo", "bar")) |
| self.assertEqual(posixpath.split("/"), ("/", "")) |
| self.assertEqual(posixpath.split("foo"), ("", "foo")) |
| self.assertEqual(posixpath.split("////foo"), ("////", "foo")) |
| self.assertEqual(posixpath.split("//foo//bar"), ("//foo", "bar")) |
| |
| self.assertEqual(posixpath.split(b"/foo/bar"), (b"/foo", b"bar")) |
| self.assertEqual(posixpath.split(b"/"), (b"/", b"")) |
| self.assertEqual(posixpath.split(b"foo"), (b"", b"foo")) |
| self.assertEqual(posixpath.split(b"////foo"), (b"////", b"foo")) |
| self.assertEqual(posixpath.split(b"//foo//bar"), (b"//foo", b"bar")) |
| |
| def splitextTest(self, path, filename, ext): |
| self.assertEqual(posixpath.splitext(path), (filename, ext)) |
| self.assertEqual(posixpath.splitext("/" + path), ("/" + filename, ext)) |
| self.assertEqual(posixpath.splitext("abc/" + path), |
| ("abc/" + filename, ext)) |
| self.assertEqual(posixpath.splitext("abc.def/" + path), |
| ("abc.def/" + filename, ext)) |
| self.assertEqual(posixpath.splitext("/abc.def/" + path), |
| ("/abc.def/" + filename, ext)) |
| self.assertEqual(posixpath.splitext(path + "/"), |
| (filename + ext + "/", "")) |
| |
| path = bytes(path, "ASCII") |
| filename = bytes(filename, "ASCII") |
| ext = bytes(ext, "ASCII") |
| |
| self.assertEqual(posixpath.splitext(path), (filename, ext)) |
| self.assertEqual(posixpath.splitext(b"/" + path), |
| (b"/" + filename, ext)) |
| self.assertEqual(posixpath.splitext(b"abc/" + path), |
| (b"abc/" + filename, ext)) |
| self.assertEqual(posixpath.splitext(b"abc.def/" + path), |
| (b"abc.def/" + filename, ext)) |
| self.assertEqual(posixpath.splitext(b"/abc.def/" + path), |
| (b"/abc.def/" + filename, ext)) |
| self.assertEqual(posixpath.splitext(path + b"/"), |
| (filename + ext + b"/", b"")) |
| |
| def test_splitext(self): |
| self.splitextTest("foo.bar", "foo", ".bar") |
| self.splitextTest("foo.boo.bar", "foo.boo", ".bar") |
| self.splitextTest("foo.boo.biff.bar", "foo.boo.biff", ".bar") |
| self.splitextTest(".csh.rc", ".csh", ".rc") |
| self.splitextTest("nodots", "nodots", "") |
| self.splitextTest(".cshrc", ".cshrc", "") |
| self.splitextTest("...manydots", "...manydots", "") |
| self.splitextTest("...manydots.ext", "...manydots", ".ext") |
| self.splitextTest(".", ".", "") |
| self.splitextTest("..", "..", "") |
| self.splitextTest("........", "........", "") |
| self.splitextTest("", "", "") |
| |
| def test_isabs(self): |
| self.assertIs(posixpath.isabs(""), False) |
| self.assertIs(posixpath.isabs("/"), True) |
| self.assertIs(posixpath.isabs("/foo"), True) |
| self.assertIs(posixpath.isabs("/foo/bar"), True) |
| self.assertIs(posixpath.isabs("foo/bar"), False) |
| |
| self.assertIs(posixpath.isabs(b""), False) |
| self.assertIs(posixpath.isabs(b"/"), True) |
| self.assertIs(posixpath.isabs(b"/foo"), True) |
| self.assertIs(posixpath.isabs(b"/foo/bar"), True) |
| self.assertIs(posixpath.isabs(b"foo/bar"), False) |
| |
| def test_basename(self): |
| self.assertEqual(posixpath.basename("/foo/bar"), "bar") |
| self.assertEqual(posixpath.basename("/"), "") |
| self.assertEqual(posixpath.basename("foo"), "foo") |
| self.assertEqual(posixpath.basename("////foo"), "foo") |
| self.assertEqual(posixpath.basename("//foo//bar"), "bar") |
| |
| self.assertEqual(posixpath.basename(b"/foo/bar"), b"bar") |
| self.assertEqual(posixpath.basename(b"/"), b"") |
| self.assertEqual(posixpath.basename(b"foo"), b"foo") |
| self.assertEqual(posixpath.basename(b"////foo"), b"foo") |
| self.assertEqual(posixpath.basename(b"//foo//bar"), b"bar") |
| |
| def test_dirname(self): |
| self.assertEqual(posixpath.dirname("/foo/bar"), "/foo") |
| self.assertEqual(posixpath.dirname("/"), "/") |
| self.assertEqual(posixpath.dirname("foo"), "") |
| self.assertEqual(posixpath.dirname("////foo"), "////") |
| self.assertEqual(posixpath.dirname("//foo//bar"), "//foo") |
| |
| self.assertEqual(posixpath.dirname(b"/foo/bar"), b"/foo") |
| self.assertEqual(posixpath.dirname(b"/"), b"/") |
| self.assertEqual(posixpath.dirname(b"foo"), b"") |
| self.assertEqual(posixpath.dirname(b"////foo"), b"////") |
| self.assertEqual(posixpath.dirname(b"//foo//bar"), b"//foo") |
| |
| def test_islink(self): |
| self.assertIs(posixpath.islink(os_helper.TESTFN + "1"), False) |
| self.assertIs(posixpath.lexists(os_helper.TESTFN + "2"), False) |
| |
| with open(os_helper.TESTFN + "1", "wb") as f: |
| f.write(b"foo") |
| self.assertIs(posixpath.islink(os_helper.TESTFN + "1"), False) |
| |
| if os_helper.can_symlink(): |
| os.symlink(os_helper.TESTFN + "1", os_helper.TESTFN + "2") |
| self.assertIs(posixpath.islink(os_helper.TESTFN + "2"), True) |
| os.remove(os_helper.TESTFN + "1") |
| self.assertIs(posixpath.islink(os_helper.TESTFN + "2"), True) |
| self.assertIs(posixpath.exists(os_helper.TESTFN + "2"), False) |
| self.assertIs(posixpath.lexists(os_helper.TESTFN + "2"), True) |
| |
| self.assertIs(posixpath.islink(os_helper.TESTFN + "\udfff"), False) |
| self.assertIs(posixpath.islink(os.fsencode(os_helper.TESTFN) + b"\xff"), False) |
| self.assertIs(posixpath.islink(os_helper.TESTFN + "\x00"), False) |
| self.assertIs(posixpath.islink(os.fsencode(os_helper.TESTFN) + b"\x00"), False) |
| |
| def test_ismount(self): |
| self.assertIs(posixpath.ismount("/"), True) |
| self.assertIs(posixpath.ismount(b"/"), True) |
| self.assertIs(posixpath.ismount(FakePath("/")), True) |
| self.assertIs(posixpath.ismount(FakePath(b"/")), True) |
| |
| def test_ismount_non_existent(self): |
| # Non-existent mountpoint. |
| self.assertIs(posixpath.ismount(ABSTFN), False) |
| try: |
| os.mkdir(ABSTFN) |
| self.assertIs(posixpath.ismount(ABSTFN), False) |
| finally: |
| safe_rmdir(ABSTFN) |
| |
| self.assertIs(posixpath.ismount('/\udfff'), False) |
| self.assertIs(posixpath.ismount(b'/\xff'), False) |
| self.assertIs(posixpath.ismount('/\x00'), False) |
| self.assertIs(posixpath.ismount(b'/\x00'), False) |
| |
| @unittest.skipUnless(os_helper.can_symlink(), |
| "Test requires symlink support") |
| def test_ismount_symlinks(self): |
| # Symlinks are never mountpoints. |
| try: |
| os.symlink("/", ABSTFN) |
| self.assertIs(posixpath.ismount(ABSTFN), False) |
| finally: |
| os.unlink(ABSTFN) |
| |
| @unittest.skipIf(posix is None, "Test requires posix module") |
| def test_ismount_different_device(self): |
| # Simulate the path being on a different device from its parent by |
| # mocking out st_dev. |
| save_lstat = os.lstat |
| def fake_lstat(path): |
| st_ino = 0 |
| st_dev = 0 |
| if path == ABSTFN: |
| st_dev = 1 |
| st_ino = 1 |
| return posix.stat_result((0, st_ino, st_dev, 0, 0, 0, 0, 0, 0, 0)) |
| try: |
| os.lstat = fake_lstat |
| self.assertIs(posixpath.ismount(ABSTFN), True) |
| finally: |
| os.lstat = save_lstat |
| |
| @unittest.skipIf(posix is None, "Test requires posix module") |
| def test_ismount_directory_not_readable(self): |
| # issue #2466: Simulate ismount run on a directory that is not |
| # readable, which used to return False. |
| save_lstat = os.lstat |
| def fake_lstat(path): |
| st_ino = 0 |
| st_dev = 0 |
| if path.startswith(ABSTFN) and path != ABSTFN: |
| # ismount tries to read something inside the ABSTFN directory; |
| # simulate this being forbidden (no read permission). |
| raise OSError("Fake [Errno 13] Permission denied") |
| if path == ABSTFN: |
| st_dev = 1 |
| st_ino = 1 |
| return posix.stat_result((0, st_ino, st_dev, 0, 0, 0, 0, 0, 0, 0)) |
| try: |
| os.lstat = fake_lstat |
| self.assertIs(posixpath.ismount(ABSTFN), True) |
| finally: |
| os.lstat = save_lstat |
| |
| def test_expanduser(self): |
| self.assertEqual(posixpath.expanduser("foo"), "foo") |
| self.assertEqual(posixpath.expanduser(b"foo"), b"foo") |
| |
| def test_expanduser_home_envvar(self): |
| with os_helper.EnvironmentVarGuard() as env: |
| env['HOME'] = '/home/victor' |
| self.assertEqual(posixpath.expanduser("~"), "/home/victor") |
| |
| # expanduser() strips trailing slash |
| env['HOME'] = '/home/victor/' |
| self.assertEqual(posixpath.expanduser("~"), "/home/victor") |
| |
| for home in '/', '', '//', '///': |
| with self.subTest(home=home): |
| env['HOME'] = home |
| self.assertEqual(posixpath.expanduser("~"), "/") |
| self.assertEqual(posixpath.expanduser("~/"), "/") |
| self.assertEqual(posixpath.expanduser("~/foo"), "/foo") |
| |
| @unittest.skipIf(sys.platform == "vxworks", |
| "no home directory on VxWorks") |
| def test_expanduser_pwd(self): |
| pwd = import_helper.import_module('pwd') |
| |
| self.assertIsInstance(posixpath.expanduser("~/"), str) |
| self.assertIsInstance(posixpath.expanduser(b"~/"), bytes) |
| |
| # if home directory == root directory, this test makes no sense |
| if posixpath.expanduser("~") != '/': |
| self.assertEqual( |
| posixpath.expanduser("~") + "/", |
| posixpath.expanduser("~/") |
| ) |
| self.assertEqual( |
| posixpath.expanduser(b"~") + b"/", |
| posixpath.expanduser(b"~/") |
| ) |
| self.assertIsInstance(posixpath.expanduser("~root/"), str) |
| self.assertIsInstance(posixpath.expanduser("~foo/"), str) |
| self.assertIsInstance(posixpath.expanduser(b"~root/"), bytes) |
| self.assertIsInstance(posixpath.expanduser(b"~foo/"), bytes) |
| |
| with os_helper.EnvironmentVarGuard() as env: |
| # expanduser should fall back to using the password database |
| del env['HOME'] |
| |
| home = pwd.getpwuid(os.getuid()).pw_dir |
| # $HOME can end with a trailing /, so strip it (see #17809) |
| home = home.rstrip("/") or '/' |
| self.assertEqual(posixpath.expanduser("~"), home) |
| |
| # bpo-10496: If the HOME environment variable is not set and the |
| # user (current identifier or name in the path) doesn't exist in |
| # the password database (pwd.getuid() or pwd.getpwnam() fail), |
| # expanduser() must return the path unchanged. |
| with mock.patch.object(pwd, 'getpwuid', side_effect=KeyError), \ |
| mock.patch.object(pwd, 'getpwnam', side_effect=KeyError): |
| for path in ('~', '~/.local', '~vstinner/'): |
| self.assertEqual(posixpath.expanduser(path), path) |
| |
| def test_normpath(self): |
| self.assertEqual(posixpath.normpath(""), ".") |
| self.assertEqual(posixpath.normpath("/"), "/") |
| self.assertEqual(posixpath.normpath("//"), "//") |
| self.assertEqual(posixpath.normpath("///"), "/") |
| self.assertEqual(posixpath.normpath("///foo/.//bar//"), "/foo/bar") |
| self.assertEqual(posixpath.normpath("///foo/.//bar//.//..//.//baz"), |
| "/foo/baz") |
| self.assertEqual(posixpath.normpath("///..//./foo/.//bar"), "/foo/bar") |
| |
| self.assertEqual(posixpath.normpath(b""), b".") |
| self.assertEqual(posixpath.normpath(b"/"), b"/") |
| self.assertEqual(posixpath.normpath(b"//"), b"//") |
| self.assertEqual(posixpath.normpath(b"///"), b"/") |
| self.assertEqual(posixpath.normpath(b"///foo/.//bar//"), b"/foo/bar") |
| self.assertEqual(posixpath.normpath(b"///foo/.//bar//.//..//.//baz"), |
| b"/foo/baz") |
| self.assertEqual(posixpath.normpath(b"///..//./foo/.//bar"), |
| b"/foo/bar") |
| |
| @skip_if_ABSTFN_contains_backslash |
| @_parameterize({}, {'strict': True}, {'strict': ALLOW_MISSING}) |
| def test_realpath_curdir(self, kwargs): |
| self.assertEqual(realpath('.', **kwargs), os.getcwd()) |
| self.assertEqual(realpath('./.', **kwargs), os.getcwd()) |
| self.assertEqual(realpath('/'.join(['.'] * 100), **kwargs), os.getcwd()) |
| |
| self.assertEqual(realpath(b'.', **kwargs), os.getcwdb()) |
| self.assertEqual(realpath(b'./.', **kwargs), os.getcwdb()) |
| self.assertEqual(realpath(b'/'.join([b'.'] * 100), **kwargs), os.getcwdb()) |
| |
| @skip_if_ABSTFN_contains_backslash |
| @_parameterize({}, {'strict': True}, {'strict': ALLOW_MISSING}) |
| def test_realpath_pardir(self, kwargs): |
| self.assertEqual(realpath('..', **kwargs), dirname(os.getcwd())) |
| self.assertEqual(realpath('../..', **kwargs), dirname(dirname(os.getcwd()))) |
| self.assertEqual(realpath('/'.join(['..'] * 100), **kwargs), '/') |
| |
| self.assertEqual(realpath(b'..', **kwargs), dirname(os.getcwdb())) |
| self.assertEqual(realpath(b'../..', **kwargs), dirname(dirname(os.getcwdb()))) |
| self.assertEqual(realpath(b'/'.join([b'..'] * 100), **kwargs), b'/') |
| |
| @unittest.skipUnless(hasattr(os, "symlink"), |
| "Missing symlink implementation") |
| @skip_if_ABSTFN_contains_backslash |
| @_parameterize({}, {'strict': ALLOW_MISSING}) |
| def test_realpath_basic(self, kwargs): |
| # Basic operation. |
| try: |
| os.symlink(ABSTFN+"1", ABSTFN) |
| self.assertEqual(realpath(ABSTFN, **kwargs), ABSTFN+"1") |
| finally: |
| os_helper.unlink(ABSTFN) |
| |
| @unittest.skipUnless(hasattr(os, "symlink"), |
| "Missing symlink implementation") |
| @skip_if_ABSTFN_contains_backslash |
| def test_realpath_strict(self): |
| # Bug #43757: raise FileNotFoundError in strict mode if we encounter |
| # a path that does not exist. |
| try: |
| os.symlink(ABSTFN+"1", ABSTFN) |
| self.assertRaises(FileNotFoundError, realpath, ABSTFN, strict=True) |
| self.assertRaises(FileNotFoundError, realpath, ABSTFN + "2", strict=True) |
| finally: |
| os_helper.unlink(ABSTFN) |
| |
| def test_realpath_invalid_paths(self): |
| path = '/\x00' |
| self.assertRaises(ValueError, realpath, path, strict=False) |
| self.assertRaises(ValueError, realpath, path, strict=True) |
| self.assertRaises(ValueError, realpath, path, strict=ALLOW_MISSING) |
| path = b'/\x00' |
| self.assertRaises(ValueError, realpath, path, strict=False) |
| self.assertRaises(ValueError, realpath, path, strict=True) |
| self.assertRaises(ValueError, realpath, path, strict=ALLOW_MISSING) |
| path = '/nonexistent/x\x00' |
| self.assertRaises(ValueError, realpath, path, strict=False) |
| self.assertRaises(FileNotFoundError, realpath, path, strict=True) |
| self.assertRaises(ValueError, realpath, path, strict=ALLOW_MISSING) |
| path = b'/nonexistent/x\x00' |
| self.assertRaises(ValueError, realpath, path, strict=False) |
| self.assertRaises(FileNotFoundError, realpath, path, strict=True) |
| self.assertRaises(ValueError, realpath, path, strict=ALLOW_MISSING) |
| path = '/\x00/..' |
| self.assertRaises(ValueError, realpath, path, strict=False) |
| self.assertRaises(ValueError, realpath, path, strict=True) |
| self.assertRaises(ValueError, realpath, path, strict=ALLOW_MISSING) |
| path = b'/\x00/..' |
| self.assertRaises(ValueError, realpath, path, strict=False) |
| self.assertRaises(ValueError, realpath, path, strict=True) |
| self.assertRaises(ValueError, realpath, path, strict=ALLOW_MISSING) |
| |
| path = '/nonexistent/x\x00/..' |
| self.assertRaises(ValueError, realpath, path, strict=False) |
| self.assertRaises(FileNotFoundError, realpath, path, strict=True) |
| self.assertRaises(ValueError, realpath, path, strict=ALLOW_MISSING) |
| path = b'/nonexistent/x\x00/..' |
| self.assertRaises(ValueError, realpath, path, strict=False) |
| self.assertRaises(FileNotFoundError, realpath, path, strict=True) |
| self.assertRaises(ValueError, realpath, path, strict=ALLOW_MISSING) |
| |
| path = '/\udfff' |
| if sys.platform == 'win32': |
| self.assertEqual(realpath(path, strict=False), path) |
| self.assertRaises(FileNotFoundError, realpath, path, strict=True) |
| self.assertEqual(realpath(path, strict=ALLOW_MISSING), path) |
| else: |
| self.assertRaises(UnicodeEncodeError, realpath, path, strict=False) |
| self.assertRaises(UnicodeEncodeError, realpath, path, strict=True) |
| self.assertRaises(UnicodeEncodeError, realpath, path, strict=ALLOW_MISSING) |
| path = '/nonexistent/\udfff' |
| if sys.platform == 'win32': |
| self.assertEqual(realpath(path, strict=False), path) |
| self.assertEqual(realpath(path, strict=ALLOW_MISSING), path) |
| else: |
| self.assertRaises(UnicodeEncodeError, realpath, path, strict=False) |
| self.assertRaises(UnicodeEncodeError, realpath, path, strict=ALLOW_MISSING) |
| self.assertRaises(FileNotFoundError, realpath, path, strict=True) |
| path = '/\udfff/..' |
| if sys.platform == 'win32': |
| self.assertEqual(realpath(path, strict=False), '/') |
| self.assertRaises(FileNotFoundError, realpath, path, strict=True) |
| self.assertEqual(realpath(path, strict=ALLOW_MISSING), '/') |
| else: |
| self.assertRaises(UnicodeEncodeError, realpath, path, strict=False) |
| self.assertRaises(UnicodeEncodeError, realpath, path, strict=True) |
| self.assertRaises(UnicodeEncodeError, realpath, path, strict=ALLOW_MISSING) |
| path = '/nonexistent/\udfff/..' |
| if sys.platform == 'win32': |
| self.assertEqual(realpath(path, strict=False), '/nonexistent') |
| self.assertEqual(realpath(path, strict=ALLOW_MISSING), '/nonexistent') |
| else: |
| self.assertRaises(UnicodeEncodeError, realpath, path, strict=False) |
| self.assertRaises(UnicodeEncodeError, realpath, path, strict=ALLOW_MISSING) |
| self.assertRaises(FileNotFoundError, realpath, path, strict=True) |
| |
| path = b'/\xff' |
| if sys.platform == 'win32': |
| self.assertRaises(UnicodeDecodeError, realpath, path, strict=False) |
| self.assertRaises(UnicodeDecodeError, realpath, path, strict=True) |
| self.assertRaises(UnicodeDecodeError, realpath, path, strict=ALLOW_MISSING) |
| else: |
| self.assertEqual(realpath(path, strict=False), path) |
| self.assertRaises(FileNotFoundError, realpath, path, strict=True) |
| self.assertEqual(realpath(path, strict=ALLOW_MISSING), path) |
| path = b'/nonexistent/\xff' |
| if sys.platform == 'win32': |
| self.assertRaises(UnicodeDecodeError, realpath, path, strict=False) |
| self.assertRaises(UnicodeDecodeError, realpath, path, strict=ALLOW_MISSING) |
| else: |
| self.assertEqual(realpath(path, strict=False), path) |
| self.assertRaises(FileNotFoundError, realpath, path, strict=True) |
| |
| @unittest.skipUnless(hasattr(os, "symlink"), |
| "Missing symlink implementation") |
| @skip_if_ABSTFN_contains_backslash |
| @_parameterize({}, {'strict': ALLOW_MISSING}) |
| def test_realpath_relative(self, kwargs): |
| try: |
| os.symlink(posixpath.relpath(ABSTFN+"1"), ABSTFN) |
| self.assertEqual(realpath(ABSTFN, **kwargs), ABSTFN+"1") |
| finally: |
| os_helper.unlink(ABSTFN) |
| |
| @unittest.skipUnless(hasattr(os, "symlink"), |
| "Missing symlink implementation") |
| @skip_if_ABSTFN_contains_backslash |
| @_parameterize({}, {'strict': ALLOW_MISSING}) |
| def test_realpath_missing_pardir(self, kwargs): |
| try: |
| os.symlink(os_helper.TESTFN + "1", os_helper.TESTFN) |
| self.assertEqual( |
| realpath("nonexistent/../" + os_helper.TESTFN, **kwargs), ABSTFN + "1") |
| finally: |
| os_helper.unlink(os_helper.TESTFN) |
| |
| @os_helper.skip_unless_symlink |
| @skip_if_ABSTFN_contains_backslash |
| def test_realpath_symlink_loops(self): |
| # Bug #930024, return the path unchanged if we get into an infinite |
| # symlink loop in non-strict mode (default). |
| try: |
| os.symlink(ABSTFN, ABSTFN) |
| self.assertEqual(realpath(ABSTFN), ABSTFN) |
| |
| os.symlink(ABSTFN+"1", ABSTFN+"2") |
| os.symlink(ABSTFN+"2", ABSTFN+"1") |
| self.assertEqual(realpath(ABSTFN+"1"), ABSTFN+"1") |
| self.assertEqual(realpath(ABSTFN+"2"), ABSTFN+"2") |
| |
| self.assertEqual(realpath(ABSTFN+"1/x"), ABSTFN+"1/x") |
| self.assertEqual(realpath(ABSTFN+"1/.."), dirname(ABSTFN)) |
| self.assertEqual(realpath(ABSTFN+"1/../x"), dirname(ABSTFN) + "/x") |
| os.symlink(ABSTFN+"x", ABSTFN+"y") |
| self.assertEqual(realpath(ABSTFN+"1/../" + basename(ABSTFN) + "y"), |
| ABSTFN + "y") |
| self.assertEqual(realpath(ABSTFN+"1/../" + basename(ABSTFN) + "1"), |
| ABSTFN + "1") |
| |
| os.symlink(basename(ABSTFN) + "a/b", ABSTFN+"a") |
| self.assertEqual(realpath(ABSTFN+"a"), ABSTFN+"a/b") |
| |
| os.symlink("../" + basename(dirname(ABSTFN)) + "/" + |
| basename(ABSTFN) + "c", ABSTFN+"c") |
| self.assertEqual(realpath(ABSTFN+"c"), ABSTFN+"c") |
| |
| # Test using relative path as well. |
| with os_helper.change_cwd(dirname(ABSTFN)): |
| self.assertEqual(realpath(basename(ABSTFN)), ABSTFN) |
| finally: |
| os_helper.unlink(ABSTFN) |
| os_helper.unlink(ABSTFN+"1") |
| os_helper.unlink(ABSTFN+"2") |
| os_helper.unlink(ABSTFN+"y") |
| os_helper.unlink(ABSTFN+"c") |
| os_helper.unlink(ABSTFN+"a") |
| |
| @unittest.skipUnless(hasattr(os, "symlink"), |
| "Missing symlink implementation") |
| @skip_if_ABSTFN_contains_backslash |
| @_parameterize({'strict': True}, {'strict': ALLOW_MISSING}) |
| def test_realpath_symlink_loops_strict(self, kwargs): |
| # Bug #43757, raise OSError if we get into an infinite symlink loop in |
| # the strict modes. |
| try: |
| os.symlink(ABSTFN, ABSTFN) |
| self.assertRaises(OSError, realpath, ABSTFN, **kwargs) |
| |
| os.symlink(ABSTFN+"1", ABSTFN+"2") |
| os.symlink(ABSTFN+"2", ABSTFN+"1") |
| self.assertRaises(OSError, realpath, ABSTFN+"1", **kwargs) |
| self.assertRaises(OSError, realpath, ABSTFN+"2", **kwargs) |
| |
| self.assertRaises(OSError, realpath, ABSTFN+"1/x", **kwargs) |
| self.assertRaises(OSError, realpath, ABSTFN+"1/..", **kwargs) |
| self.assertRaises(OSError, realpath, ABSTFN+"1/../x", **kwargs) |
| os.symlink(ABSTFN+"x", ABSTFN+"y") |
| self.assertRaises(OSError, realpath, |
| ABSTFN+"1/../" + basename(ABSTFN) + "y", **kwargs) |
| self.assertRaises(OSError, realpath, |
| ABSTFN+"1/../" + basename(ABSTFN) + "1", **kwargs) |
| |
| os.symlink(basename(ABSTFN) + "a/b", ABSTFN+"a") |
| self.assertRaises(OSError, realpath, ABSTFN+"a", **kwargs) |
| |
| os.symlink("../" + basename(dirname(ABSTFN)) + "/" + |
| basename(ABSTFN) + "c", ABSTFN+"c") |
| self.assertRaises(OSError, realpath, ABSTFN+"c", **kwargs) |
| |
| # Test using relative path as well. |
| with os_helper.change_cwd(dirname(ABSTFN)): |
| self.assertRaises(OSError, realpath, basename(ABSTFN), **kwargs) |
| finally: |
| os_helper.unlink(ABSTFN) |
| os_helper.unlink(ABSTFN+"1") |
| os_helper.unlink(ABSTFN+"2") |
| os_helper.unlink(ABSTFN+"y") |
| os_helper.unlink(ABSTFN+"c") |
| os_helper.unlink(ABSTFN+"a") |
| |
| @unittest.skipUnless(hasattr(os, "symlink"), |
| "Missing symlink implementation") |
| @skip_if_ABSTFN_contains_backslash |
| @_parameterize({}, {'strict': True}, {'strict': ALLOW_MISSING}) |
| def test_realpath_repeated_indirect_symlinks(self, kwargs): |
| # Issue #6975. |
| try: |
| os.mkdir(ABSTFN) |
| os.symlink('../' + basename(ABSTFN), ABSTFN + '/self') |
| os.symlink('self/self/self', ABSTFN + '/link') |
| self.assertEqual(realpath(ABSTFN + '/link', **kwargs), ABSTFN) |
| finally: |
| os_helper.unlink(ABSTFN + '/self') |
| os_helper.unlink(ABSTFN + '/link') |
| safe_rmdir(ABSTFN) |
| |
| @unittest.skipUnless(hasattr(os, "symlink"), |
| "Missing symlink implementation") |
| @skip_if_ABSTFN_contains_backslash |
| @_parameterize({}, {'strict': True}, {'strict': ALLOW_MISSING}) |
| def test_realpath_deep_recursion(self, kwargs): |
| depth = 10 |
| try: |
| os.mkdir(ABSTFN) |
| for i in range(depth): |
| os.symlink('/'.join(['%d' % i] * 10), ABSTFN + '/%d' % (i + 1)) |
| os.symlink('.', ABSTFN + '/0') |
| self.assertEqual(realpath(ABSTFN + '/%d' % depth, **kwargs), ABSTFN) |
| |
| # Test using relative path as well. |
| with os_helper.change_cwd(ABSTFN): |
| self.assertEqual(realpath('%d' % depth), ABSTFN) |
| finally: |
| for i in range(depth + 1): |
| os_helper.unlink(ABSTFN + '/%d' % i) |
| safe_rmdir(ABSTFN) |
| |
| @unittest.skipUnless(hasattr(os, "symlink"), |
| "Missing symlink implementation") |
| @skip_if_ABSTFN_contains_backslash |
| @_parameterize({}, {'strict': ALLOW_MISSING}) |
| def test_realpath_resolve_parents(self, kwargs): |
| # We also need to resolve any symlinks in the parents of a relative |
| # path passed to realpath. E.g.: current working directory is |
| # /usr/doc with 'doc' being a symlink to /usr/share/doc. We call |
| # realpath("a"). This should return /usr/share/doc/a/. |
| try: |
| os.mkdir(ABSTFN) |
| os.mkdir(ABSTFN + "/y") |
| os.symlink(ABSTFN + "/y", ABSTFN + "/k") |
| |
| with os_helper.change_cwd(ABSTFN + "/k"): |
| self.assertEqual(realpath("a", **kwargs), |
| ABSTFN + "/y/a") |
| finally: |
| os_helper.unlink(ABSTFN + "/k") |
| safe_rmdir(ABSTFN + "/y") |
| safe_rmdir(ABSTFN) |
| |
| @unittest.skipUnless(hasattr(os, "symlink"), |
| "Missing symlink implementation") |
| @skip_if_ABSTFN_contains_backslash |
| @_parameterize({}, {'strict': True}, {'strict': ALLOW_MISSING}) |
| def test_realpath_resolve_before_normalizing(self, kwargs): |
| # Bug #990669: Symbolic links should be resolved before we |
| # normalize the path. E.g.: if we have directories 'a', 'k' and 'y' |
| # in the following hierarchy: |
| # a/k/y |
| # |
| # and a symbolic link 'link-y' pointing to 'y' in directory 'a', |
| # then realpath("link-y/..") should return 'k', not 'a'. |
| try: |
| os.mkdir(ABSTFN) |
| os.mkdir(ABSTFN + "/k") |
| os.mkdir(ABSTFN + "/k/y") |
| os.symlink(ABSTFN + "/k/y", ABSTFN + "/link-y") |
| |
| # Absolute path. |
| self.assertEqual(realpath(ABSTFN + "/link-y/..", **kwargs), ABSTFN + "/k") |
| # Relative path. |
| with os_helper.change_cwd(dirname(ABSTFN)): |
| self.assertEqual(realpath(basename(ABSTFN) + "/link-y/..", **kwargs), |
| ABSTFN + "/k") |
| finally: |
| os_helper.unlink(ABSTFN + "/link-y") |
| safe_rmdir(ABSTFN + "/k/y") |
| safe_rmdir(ABSTFN + "/k") |
| safe_rmdir(ABSTFN) |
| |
| @unittest.skipUnless(hasattr(os, "symlink"), |
| "Missing symlink implementation") |
| @skip_if_ABSTFN_contains_backslash |
| @_parameterize({}, {'strict': True}, {'strict': ALLOW_MISSING}) |
| def test_realpath_resolve_first(self, kwargs): |
| # Bug #1213894: The first component of the path, if not absolute, |
| # must be resolved too. |
| |
| try: |
| os.mkdir(ABSTFN) |
| os.mkdir(ABSTFN + "/k") |
| os.symlink(ABSTFN, ABSTFN + "link") |
| with os_helper.change_cwd(dirname(ABSTFN)): |
| base = basename(ABSTFN) |
| self.assertEqual(realpath(base + "link", **kwargs), ABSTFN) |
| self.assertEqual(realpath(base + "link/k", **kwargs), ABSTFN + "/k") |
| finally: |
| os_helper.unlink(ABSTFN + "link") |
| safe_rmdir(ABSTFN + "/k") |
| safe_rmdir(ABSTFN) |
| |
| @os_helper.skip_unless_symlink |
| @skip_if_ABSTFN_contains_backslash |
| @unittest.skipIf(os.chmod not in os.supports_follow_symlinks, "Can't set symlink permissions") |
| @unittest.skipIf(sys.platform != "darwin", "only macOS requires read permission to readlink()") |
| @_parameterize({'strict': True}, {'strict': ALLOW_MISSING}) |
| def test_realpath_unreadable_symlink_strict(self, kwargs): |
| try: |
| os.symlink(ABSTFN+"1", ABSTFN) |
| os.chmod(ABSTFN, 0o000, follow_symlinks=False) |
| with self.assertRaises(PermissionError): |
| realpath(ABSTFN, **kwargs) |
| with self.assertRaises(PermissionError): |
| realpath(ABSTFN + '/foo', **kwargs), |
| with self.assertRaises(PermissionError): |
| realpath(ABSTFN + '/../foo', **kwargs) |
| with self.assertRaises(PermissionError): |
| realpath(ABSTFN + '/foo/..', **kwargs) |
| finally: |
| os.chmod(ABSTFN, 0o755, follow_symlinks=False) |
| os.unlink(ABSTFN) |
| |
| @skip_if_ABSTFN_contains_backslash |
| @os_helper.skip_unless_symlink |
| def test_realpath_unreadable_directory(self): |
| try: |
| os.mkdir(ABSTFN) |
| os.mkdir(ABSTFN + '/k') |
| os.chmod(ABSTFN, 0o000) |
| self.assertEqual(realpath(ABSTFN, strict=False), ABSTFN) |
| self.assertEqual(realpath(ABSTFN, strict=True), ABSTFN) |
| self.assertEqual(realpath(ABSTFN, strict=ALLOW_MISSING), ABSTFN) |
| |
| try: |
| os.stat(ABSTFN) |
| except PermissionError: |
| pass |
| else: |
| self.skipTest('Cannot block permissions') |
| |
| self.assertEqual(realpath(ABSTFN + '/k', strict=False), |
| ABSTFN + '/k') |
| self.assertRaises(PermissionError, realpath, ABSTFN + '/k', |
| strict=True) |
| self.assertRaises(PermissionError, realpath, ABSTFN + '/k', |
| strict=ALLOW_MISSING) |
| |
| self.assertEqual(realpath(ABSTFN + '/missing', strict=False), |
| ABSTFN + '/missing') |
| self.assertRaises(PermissionError, realpath, ABSTFN + '/missing', |
| strict=True) |
| self.assertRaises(PermissionError, realpath, ABSTFN + '/missing', |
| strict=ALLOW_MISSING) |
| finally: |
| os.chmod(ABSTFN, 0o755) |
| safe_rmdir(ABSTFN + '/k') |
| safe_rmdir(ABSTFN) |
| |
| def test_relpath(self): |
| (real_getcwd, os.getcwd) = (os.getcwd, lambda: r"/home/user/bar") |
| try: |
| curdir = os.path.split(os.getcwd())[-1] |
| self.assertRaises(ValueError, posixpath.relpath, "") |
| self.assertEqual(posixpath.relpath("a"), "a") |
| self.assertEqual(posixpath.relpath(posixpath.abspath("a")), "a") |
| self.assertEqual(posixpath.relpath("a/b"), "a/b") |
| self.assertEqual(posixpath.relpath("../a/b"), "../a/b") |
| self.assertEqual(posixpath.relpath("a", "../b"), "../"+curdir+"/a") |
| self.assertEqual(posixpath.relpath("a/b", "../c"), |
| "../"+curdir+"/a/b") |
| self.assertEqual(posixpath.relpath("a", "b/c"), "../../a") |
| self.assertEqual(posixpath.relpath("a", "a"), ".") |
| self.assertEqual(posixpath.relpath("/foo/bar/bat", "/x/y/z"), '../../../foo/bar/bat') |
| self.assertEqual(posixpath.relpath("/foo/bar/bat", "/foo/bar"), 'bat') |
| self.assertEqual(posixpath.relpath("/foo/bar/bat", "/"), 'foo/bar/bat') |
| self.assertEqual(posixpath.relpath("/", "/foo/bar/bat"), '../../..') |
| self.assertEqual(posixpath.relpath("/foo/bar/bat", "/x"), '../foo/bar/bat') |
| self.assertEqual(posixpath.relpath("/x", "/foo/bar/bat"), '../../../x') |
| self.assertEqual(posixpath.relpath("/", "/"), '.') |
| self.assertEqual(posixpath.relpath("/a", "/a"), '.') |
| self.assertEqual(posixpath.relpath("/a/b", "/a/b"), '.') |
| finally: |
| os.getcwd = real_getcwd |
| |
| def test_relpath_bytes(self): |
| (real_getcwdb, os.getcwdb) = (os.getcwdb, lambda: br"/home/user/bar") |
| try: |
| curdir = os.path.split(os.getcwdb())[-1] |
| self.assertRaises(ValueError, posixpath.relpath, b"") |
| self.assertEqual(posixpath.relpath(b"a"), b"a") |
| self.assertEqual(posixpath.relpath(posixpath.abspath(b"a")), b"a") |
| self.assertEqual(posixpath.relpath(b"a/b"), b"a/b") |
| self.assertEqual(posixpath.relpath(b"../a/b"), b"../a/b") |
| self.assertEqual(posixpath.relpath(b"a", b"../b"), |
| b"../"+curdir+b"/a") |
| self.assertEqual(posixpath.relpath(b"a/b", b"../c"), |
| b"../"+curdir+b"/a/b") |
| self.assertEqual(posixpath.relpath(b"a", b"b/c"), b"../../a") |
| self.assertEqual(posixpath.relpath(b"a", b"a"), b".") |
| self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/x/y/z"), b'../../../foo/bar/bat') |
| self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/foo/bar"), b'bat') |
| self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/"), b'foo/bar/bat') |
| self.assertEqual(posixpath.relpath(b"/", b"/foo/bar/bat"), b'../../..') |
| self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/x"), b'../foo/bar/bat') |
| self.assertEqual(posixpath.relpath(b"/x", b"/foo/bar/bat"), b'../../../x') |
| self.assertEqual(posixpath.relpath(b"/", b"/"), b'.') |
| self.assertEqual(posixpath.relpath(b"/a", b"/a"), b'.') |
| self.assertEqual(posixpath.relpath(b"/a/b", b"/a/b"), b'.') |
| |
| self.assertRaises(TypeError, posixpath.relpath, b"bytes", "str") |
| self.assertRaises(TypeError, posixpath.relpath, "str", b"bytes") |
| finally: |
| os.getcwdb = real_getcwdb |
| |
| def test_commonpath(self): |
| def check(paths, expected): |
| self.assertEqual(posixpath.commonpath(paths), expected) |
| self.assertEqual(posixpath.commonpath([os.fsencode(p) for p in paths]), |
| os.fsencode(expected)) |
| def check_error(exc, paths): |
| self.assertRaises(exc, posixpath.commonpath, paths) |
| self.assertRaises(exc, posixpath.commonpath, |
| [os.fsencode(p) for p in paths]) |
| |
| self.assertRaises(ValueError, posixpath.commonpath, []) |
| check_error(ValueError, ['/usr', 'usr']) |
| check_error(ValueError, ['usr', '/usr']) |
| |
| check(['/usr/local'], '/usr/local') |
| check(['/usr/local', '/usr/local'], '/usr/local') |
| check(['/usr/local/', '/usr/local'], '/usr/local') |
| check(['/usr/local/', '/usr/local/'], '/usr/local') |
| check(['/usr//local', '//usr/local'], '/usr/local') |
| check(['/usr/./local', '/./usr/local'], '/usr/local') |
| check(['/', '/dev'], '/') |
| check(['/usr', '/dev'], '/') |
| check(['/usr/lib/', '/usr/lib/python3'], '/usr/lib') |
| check(['/usr/lib/', '/usr/lib64/'], '/usr') |
| |
| check(['/usr/lib', '/usr/lib64'], '/usr') |
| check(['/usr/lib/', '/usr/lib64'], '/usr') |
| |
| check(['spam'], 'spam') |
| check(['spam', 'spam'], 'spam') |
| check(['spam', 'alot'], '') |
| check(['and/jam', 'and/spam'], 'and') |
| check(['and//jam', 'and/spam//'], 'and') |
| check(['and/./jam', './and/spam'], 'and') |
| check(['and/jam', 'and/spam', 'alot'], '') |
| check(['and/jam', 'and/spam', 'and'], 'and') |
| |
| check([''], '') |
| check(['', 'spam/alot'], '') |
| check_error(ValueError, ['', '/spam/alot']) |
| |
| self.assertRaises(TypeError, posixpath.commonpath, |
| [b'/usr/lib/', '/usr/lib/python3']) |
| self.assertRaises(TypeError, posixpath.commonpath, |
| [b'/usr/lib/', 'usr/lib/python3']) |
| self.assertRaises(TypeError, posixpath.commonpath, |
| [b'usr/lib/', '/usr/lib/python3']) |
| self.assertRaises(TypeError, posixpath.commonpath, |
| ['/usr/lib/', b'/usr/lib/python3']) |
| self.assertRaises(TypeError, posixpath.commonpath, |
| ['/usr/lib/', b'usr/lib/python3']) |
| self.assertRaises(TypeError, posixpath.commonpath, |
| ['usr/lib/', b'/usr/lib/python3']) |
| |
| |
| class PosixCommonTest(test_genericpath.CommonTest, unittest.TestCase): |
| pathmodule = posixpath |
| attributes = ['relpath', 'samefile', 'sameopenfile', 'samestat'] |
| |
| |
| class PathLikeTests(unittest.TestCase): |
| |
| path = posixpath |
| |
| def setUp(self): |
| self.file_name = os_helper.TESTFN |
| self.file_path = FakePath(os_helper.TESTFN) |
| self.addCleanup(os_helper.unlink, self.file_name) |
| with open(self.file_name, 'xb', 0) as file: |
| file.write(b"test_posixpath.PathLikeTests") |
| |
| def assertPathEqual(self, func): |
| self.assertEqual(func(self.file_path), func(self.file_name)) |
| |
| def test_path_normcase(self): |
| self.assertPathEqual(self.path.normcase) |
| |
| def test_path_isabs(self): |
| self.assertPathEqual(self.path.isabs) |
| |
| def test_path_join(self): |
| self.assertEqual(self.path.join('a', FakePath('b'), 'c'), |
| self.path.join('a', 'b', 'c')) |
| |
| def test_path_split(self): |
| self.assertPathEqual(self.path.split) |
| |
| def test_path_splitext(self): |
| self.assertPathEqual(self.path.splitext) |
| |
| def test_path_splitdrive(self): |
| self.assertPathEqual(self.path.splitdrive) |
| |
| def test_path_basename(self): |
| self.assertPathEqual(self.path.basename) |
| |
| def test_path_dirname(self): |
| self.assertPathEqual(self.path.dirname) |
| |
| def test_path_islink(self): |
| self.assertPathEqual(self.path.islink) |
| |
| def test_path_lexists(self): |
| self.assertPathEqual(self.path.lexists) |
| |
| def test_path_ismount(self): |
| self.assertPathEqual(self.path.ismount) |
| |
| def test_path_expanduser(self): |
| self.assertPathEqual(self.path.expanduser) |
| |
| def test_path_expandvars(self): |
| self.assertPathEqual(self.path.expandvars) |
| |
| def test_path_normpath(self): |
| self.assertPathEqual(self.path.normpath) |
| |
| def test_path_abspath(self): |
| self.assertPathEqual(self.path.abspath) |
| |
| @_parameterize({}, {'strict': True}, {'strict': ALLOW_MISSING}) |
| def test_path_realpath(self, kwargs): |
| self.assertPathEqual(self.path.realpath) |
| |
| self.assertPathEqual(partial(self.path.realpath, **kwargs)) |
| |
| def test_path_relpath(self): |
| self.assertPathEqual(self.path.relpath) |
| |
| def test_path_commonpath(self): |
| common_path = self.path.commonpath([self.file_path, self.file_name]) |
| self.assertEqual(common_path, self.file_name) |
| |
| |
| if __name__=="__main__": |
| unittest.main() |
