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test_posixpath.py
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import os import posixpath import unittest from posixpath import realpath, abspath, dirname, basename from test import support, test_genericpath from test.support 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(support.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 class PosixPathTest(unittest.TestCase): def setUp(self): self.tearDown() def tearDown(self): for suffix in ["", "1", "2"]: support.unlink(support.TESTFN + suffix) safe_rmdir(support.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(support.TESTFN + "1"), False) self.assertIs(posixpath.lexists(support.TESTFN + "2"), False) with open(support.TESTFN + "1", "wb") as f: f.write(b"foo") self.assertIs(posixpath.islink(support.TESTFN + "1"), False) if support.can_symlink(): os.symlink(support.TESTFN + "1", support.TESTFN + "2") self.assertIs(posixpath.islink(support.TESTFN + "2"), True) os.remove(support.TESTFN + "1") self.assertIs(posixpath.islink(support.TESTFN + "2"), True) self.assertIs(posixpath.exists(support.TESTFN + "2"), False) self.assertIs(posixpath.lexists(support.TESTFN + "2"), True) self.assertIs(posixpath.islink(support.TESTFN + "\udfff"), False) self.assertIs(posixpath.islink(os.fsencode(support.TESTFN) + b"\xff"), False) self.assertIs(posixpath.islink(support.TESTFN + "\x00"), False) self.assertIs(posixpath.islink(os.fsencode(support.TESTFN) + b"\x00"), False) def test_ismount(self): self.assertIs(posixpath.ismount("/"), True) self.assertIs(posixpath.ismount(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(support.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 support.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") def test_expanduser_pwd(self): pwd = support.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 support.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 def test_realpath_curdir(self): self.assertEqual(realpath('.'), os.getcwd()) self.assertEqual(realpath('./.'), os.getcwd()) self.assertEqual(realpath('/'.join(['.'] * 100)), os.getcwd()) self.assertEqual(realpath(b'.'), os.getcwdb()) self.assertEqual(realpath(b'./.'), os.getcwdb()) self.assertEqual(realpath(b'/'.join([b'.'] * 100)), os.getcwdb()) @skip_if_ABSTFN_contains_backslash def test_realpath_pardir(self): self.assertEqual(realpath('..'), dirname(os.getcwd())) self.assertEqual(realpath('../..'), dirname(dirname(os.getcwd()))) self.assertEqual(realpath('/'.join(['..'] * 100)), '/') self.assertEqual(realpath(b'..'), dirname(os.getcwdb())) self.assertEqual(realpath(b'../..'), dirname(dirname(os.getcwdb()))) self.assertEqual(realpath(b'/'.join([b'..'] * 100)), b'/') @unittest.skipUnless(hasattr(os, "symlink"), "Missing symlink implementation") @skip_if_ABSTFN_contains_backslash def test_realpath_basic(self): # Basic operation. try: os.symlink(ABSTFN+"1", ABSTFN) self.assertEqual(realpath(ABSTFN), ABSTFN+"1") finally: support.unlink(ABSTFN) @unittest.skipUnless(hasattr(os, "symlink"), "Missing symlink implementation") @skip_if_ABSTFN_contains_backslash def test_realpath_relative(self): try: os.symlink(posixpath.relpath(ABSTFN+"1"), ABSTFN) self.assertEqual(realpath(ABSTFN), ABSTFN+"1") finally: support.unlink(ABSTFN) @unittest.skipUnless(hasattr(os, "symlink"), "Missing symlink implementation") @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. 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 support.change_cwd(dirname(ABSTFN)): self.assertEqual(realpath(basename(ABSTFN)), ABSTFN) finally: support.unlink(ABSTFN) support.unlink(ABSTFN+"1") support.unlink(ABSTFN+"2") support.unlink(ABSTFN+"y") support.unlink(ABSTFN+"c") support.unlink(ABSTFN+"a") @unittest.skipUnless(hasattr(os, "symlink"), "Missing symlink implementation") @skip_if_ABSTFN_contains_backslash def test_realpath_repeated_indirect_symlinks(self): # Issue #6975. try: os.mkdir(ABSTFN) os.symlink('../' + basename(ABSTFN), ABSTFN + '/self') os.symlink('self/self/self', ABSTFN + '/link') self.assertEqual(realpath(ABSTFN + '/link'), ABSTFN) finally: support.unlink(ABSTFN + '/self') support.unlink(ABSTFN + '/link') safe_rmdir(ABSTFN) @unittest.skipUnless(hasattr(os, "symlink"), "Missing symlink implementation") @skip_if_ABSTFN_contains_backslash def test_realpath_deep_recursion(self): 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), ABSTFN) # Test using relative path as well. with support.change_cwd(ABSTFN): self.assertEqual(realpath('%d' % depth), ABSTFN) finally: for i in range(depth + 1): support.unlink(ABSTFN + '/%d' % i) safe_rmdir(ABSTFN) @unittest.skipUnless(hasattr(os, "symlink"), "Missing symlink implementation") @skip_if_ABSTFN_contains_backslash def test_realpath_resolve_parents(self): # 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 support.change_cwd(ABSTFN + "/k"): self.assertEqual(realpath("a"), ABSTFN + "/y/a") finally: support.unlink(ABSTFN + "/k") safe_rmdir(ABSTFN + "/y") safe_rmdir(ABSTFN) @unittest.skipUnless(hasattr(os, "symlink"), "Missing symlink implementation") @skip_if_ABSTFN_contains_backslash def test_realpath_resolve_before_normalizing(self): # 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/.."), ABSTFN + "/k") # Relative path. with support.change_cwd(dirname(ABSTFN)): self.assertEqual(realpath(basename(ABSTFN) + "/link-y/.."), ABSTFN + "/k") finally: support.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 def test_realpath_resolve_first(self): # 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 support.change_cwd(dirname(ABSTFN)): base = basename(ABSTFN) self.assertEqual(realpath(base + "link"), ABSTFN) self.assertEqual(realpath(base + "link/k"), ABSTFN + "/k") finally: support.unlink(ABSTFN + "link") 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 = support.TESTFN self.file_path = FakePath(support.TESTFN) self.addCleanup(support.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) def test_path_realpath(self): self.assertPathEqual(self.path.realpath) 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()