diff options
Diffstat (limited to 'Lib/test/test_posixpath.py')
| -rw-r--r-- | Lib/test/test_posixpath.py | 103 |
1 files changed, 85 insertions, 18 deletions
diff --git a/Lib/test/test_posixpath.py b/Lib/test/test_posixpath.py index 1d4596e..0783c36 100644 --- a/Lib/test/test_posixpath.py +++ b/Lib/test/test_posixpath.py @@ -1,7 +1,5 @@ -import itertools import os import posixpath -import sys import unittest import warnings from posixpath import realpath, abspath, dirname, basename @@ -57,18 +55,6 @@ class PosixPathTest(unittest.TestCase): self.assertEqual(posixpath.join(b"/foo/", b"bar/", b"baz/"), b"/foo/bar/baz/") - def test_join_errors(self): - # Check posixpath.join raises friendly TypeErrors. - errmsg = "Can't mix strings and bytes in path components" - with self.assertRaisesRegex(TypeError, errmsg): - posixpath.join(b'bytes', 'str') - with self.assertRaisesRegex(TypeError, errmsg): - posixpath.join('str', b'bytes') - # regression, see #15377 - with self.assertRaises(TypeError) as cm: - posixpath.join(None, 'str') - self.assertNotEqual(cm.exception.args[0], errmsg) - def test_split(self): self.assertEqual(posixpath.split("/foo/bar"), ("/foo", "bar")) self.assertEqual(posixpath.split("/"), ("/", "")) @@ -225,9 +211,38 @@ class PosixPathTest(unittest.TestCase): 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") + with support.EnvironmentVarGuard() as env: + 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") try: import pwd except ImportError: @@ -251,14 +266,12 @@ class PosixPathTest(unittest.TestCase): self.assertIsInstance(posixpath.expanduser(b"~foo/"), bytes) with support.EnvironmentVarGuard() as env: - env['HOME'] = '/' - self.assertEqual(posixpath.expanduser("~"), "/") - self.assertEqual(posixpath.expanduser("~/foo"), "/foo") # 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) - self.assertEqual(posixpath.expanduser("~"), home.rstrip("/")) + home = home.rstrip("/") or '/' + self.assertEqual(posixpath.expanduser("~"), home) def test_normpath(self): self.assertEqual(posixpath.normpath(""), ".") @@ -523,6 +536,60 @@ class PosixPathTest(unittest.TestCase): 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 |