import contextlib
import io
import os
import sys
import errno
import ntpath
import pathlib
import pickle
import posixpath
import socket
import stat
import tempfile
import unittest
from unittest import mock
from urllib.request import pathname2url
from test.support import import_helper
from test.support import is_emscripten, is_wasi
from test.support import infinite_recursion
from test.support import swap_attr
from test.support import os_helper
from test.support.os_helper import TESTFN, FakePath
from test.test_pathlib import test_pathlib_abc
from test.test_pathlib.test_pathlib_abc import needs_posix, needs_windows, needs_symlinks
try:
import fcntl
except ImportError:
fcntl = None
try:
import grp, pwd
except ImportError:
grp = pwd = None
try:
import posix
except ImportError:
posix = None
root_in_posix = False
if hasattr(os, 'geteuid'):
root_in_posix = (os.geteuid() == 0)
def patch_replace(old_test):
def new_replace(self, target):
raise OSError(errno.EXDEV, "Cross-device link", self, target)
def new_test(self):
old_replace = self.cls.replace
self.cls.replace = new_replace
try:
old_test(self)
finally:
self.cls.replace = old_replace
return new_test
#
# Tests for the pure classes.
#
class PurePathTest(test_pathlib_abc.DummyPurePathTest):
cls = pathlib.PurePath
# Make sure any symbolic links in the base test path are resolved.
base = os.path.realpath(TESTFN)
# Keys are canonical paths, values are list of tuples of arguments
# supposed to produce equal paths.
equivalences = {
'a/b': [
('a', 'b'), ('a/', 'b'), ('a', 'b/'), ('a/', 'b/'),
('a/b/',), ('a//b',), ('a//b//',),
# Empty components get removed.
('', 'a', 'b'), ('a', '', 'b'), ('a', 'b', ''),
],
'/b/c/d': [
('a', '/b/c', 'd'), ('/a', '/b/c', 'd'),
# Empty components get removed.
('/', 'b', '', 'c/d'), ('/', '', 'b/c/d'), ('', '/b/c/d'),
],
}
def test_concrete_class(self):
if self.cls is pathlib.PurePath:
expected = pathlib.PureWindowsPath if os.name == 'nt' else pathlib.PurePosixPath
else:
expected = self.cls
p = self.cls('a')
self.assertIs(type(p), expected)
def test_concrete_parser(self):
if self.cls is pathlib.PurePosixPath:
expected = posixpath
elif self.cls is pathlib.PureWindowsPath:
expected = ntpath
else:
expected = os.path
p = self.cls('a')
self.assertIs(p.parser, expected)
def test_different_parsers_unequal(self):
p = self.cls('a')
if p.parser is posixpath:
q = pathlib.PureWindowsPath('a')
else:
q = pathlib.PurePosixPath('a')
self.assertNotEqual(p, q)
def test_different_parsers_unordered(self):
p = self.cls('a')
if p.parser is posixpath:
q = pathlib.PureWindowsPath('a')
else:
q = pathlib.PurePosixPath('a')
with self.assertRaises(TypeError):
p < q
with self.assertRaises(TypeError):
p <= q
with self.assertRaises(TypeError):
p > q
with self.assertRaises(TypeError):
p >= q
def test_constructor_nested(self):
P = self.cls
P(FakePath("a/b/c"))
self.assertEqual(P(P('a')), P('a'))
self.assertEqual(P(P('a'), 'b'), P('a/b'))
self.assertEqual(P(P('a'), P('b')), P('a/b'))
self.assertEqual(P(P('a'), P('b'), P('c')), P(FakePath("a/b/c")))
self.assertEqual(P(P('./a:b')), P('./a:b'))
def _check_parse_path(self, raw_path, *expected):
sep = self.parser.sep
actual = self.cls._parse_path(raw_path.replace('/', sep))
self.assertEqual(actual, expected)
if altsep := self.parser.altsep:
actual = self.cls._parse_path(raw_path.replace('/', altsep))
self.assertEqual(actual, expected)
def test_parse_path_common(self):
check = self._check_parse_path
sep = self.parser.sep
check('', '', '', [])
check('a', '', '', ['a'])
check('a/', '', '', ['a'])
check('a/b', '', '', ['a', 'b'])
check('a/b/', '', '', ['a', 'b'])
check('a/b/c/d', '', '', ['a', 'b', 'c', 'd'])
check('a/b//c/d', '', '', ['a', 'b', 'c', 'd'])
check('a/b/c/d', '', '', ['a', 'b', 'c', 'd'])
check('.', '', '', [])
check('././b', '', '', ['b'])
check('a/./b', '', '', ['a', 'b'])
check('a/./.', '', '', ['a'])
check('/a/b', '', sep, ['a', 'b'])
def test_empty_path(self):
# The empty path points to '.'
p = self.cls('')
self.assertEqual(str(p), '.')
# Special case for the empty path.
self._check_str('.', ('',))
def test_join_nested(self):
P = self.cls
p = P('a/b').joinpath(P('c'))
self.assertEqual(p, P('a/b/c'))
def test_div_nested(self):
P = self.cls
p = P('a/b') / P('c')
self.assertEqual(p, P('a/b/c'))
def test_pickling_common(self):
P = self.cls
for pathstr in ('a', 'a/', 'a/b', 'a/b/c', '/', '/a/b', '/a/b/c', 'a/b/c/'):
with self.subTest(pathstr=pathstr):
p = P(pathstr)
for proto in range(0, pickle.HIGHEST_PROTOCOL + 1):
dumped = pickle.dumps(p, proto)
pp = pickle.loads(dumped)
self.assertIs(pp.__class__, p.__class__)
self.assertEqual(pp, p)
self.assertEqual(hash(pp), hash(p))
self.assertEqual(str(pp), str(p))
def test_repr_common(self):
for pathstr in ('a', 'a/b', 'a/b/c', '/', '/a/b', '/a/b/c'):
with self.subTest(pathstr=pathstr):
p = self.cls(pathstr)
clsname = p.__class__.__name__
r = repr(p)
# The repr() is in the form ClassName("forward-slashes path").
self.assertTrue(r.startswith(clsname + '('), r)
self.assertTrue(r.endswith(')'), r)
inner = r[len(clsname) + 1 : -1]
self.assertEqual(eval(inner), p.as_posix())
def test_fspath_common(self):
P = self.cls
p = P('a/b')
self._check_str(p.__fspath__(), ('a/b',))
self._check_str(os.fspath(p), ('a/b',))
def test_bytes_exc_message(self):
P = self.cls
message = (r"argument should be a str or an os\.PathLike object "
r"where __fspath__ returns a str, not 'bytes'")
with self.assertRaisesRegex(TypeError, message):
P(b'a')
with self.assertRaisesRegex(TypeError, message):
P(b'a', 'b')
with self.assertRaisesRegex(TypeError, message):
P('a', b'b')
def test_as_bytes_common(self):
sep = os.fsencode(self.sep)
P = self.cls
self.assertEqual(bytes(P('a/b')), b'a' + sep + b'b')
def test_eq_common(self):
P = self.cls
self.assertEqual(P('a/b'), P('a/b'))
self.assertEqual(P('a/b'), P('a', 'b'))
self.assertNotEqual(P('a/b'), P('a'))
self.assertNotEqual(P('a/b'), P('/a/b'))
self.assertNotEqual(P('a/b'), P())
self.assertNotEqual(P('/a/b'), P('/'))
self.assertNotEqual(P(), P('/'))
self.assertNotEqual(P(), "")
self.assertNotEqual(P(), {})
self.assertNotEqual(P(), int)
def test_equivalences(self, equivalences=None):
if equivalences is None:
equivalences = self.equivalences
for k, tuples in equivalences.items():
canon = k.replace('/', self.sep)
posix = k.replace(self.sep, '/')
if canon != posix:
tuples = tuples + [
tuple(part.replace('/', self.sep) for part in t)
for t in tuples
]
tuples.append((posix, ))
pcanon = self.cls(canon)
for t in tuples:
p = self.cls(*t)
self.assertEqual(p, pcanon, "failed with args {}".format(t))
self.assertEqual(hash(p), hash(pcanon))
self.assertEqual(str(p), canon)
self.assertEqual(p.as_posix(), posix)
def test_ordering_common(self):
# Ordering is tuple-alike.
def assertLess(a, b):
self.assertLess(a, b)
self.assertGreater(b, a)
P = self.cls
a = P('a')
b = P('a/b')
c = P('abc')
d = P('b')
assertLess(a, b)
assertLess(a, c)
assertLess(a, d)
assertLess(b, c)
assertLess(c, d)
P = self.cls
a = P('/a')
b = P('/a/b')
c = P('/abc')
d = P('/b')
assertLess(a, b)
assertLess(a, c)
assertLess(a, d)
assertLess(b, c)
assertLess(c, d)
with self.assertRaises(TypeError):
P() < {}
def test_as_uri_common(self):
P = self.cls
with self.assertRaises(ValueError):
P('a').as_uri()
with self.assertRaises(ValueError):
P().as_uri()
def test_repr_roundtrips(self):
for pathstr in ('a', 'a/b', 'a/b/c', '/', '/a/b', '/a/b/c'):
with self.subTest(pathstr=pathstr):
p = self.cls(pathstr)
r = repr(p)
# The repr() roundtrips.
q = eval(r, pathlib.__dict__)
self.assertIs(q.__class__, p.__class__)
self.assertEqual(q, p)
self.assertEqual(repr(q), r)
def test_name_empty(self):
P = self.cls
self.assertEqual(P('').name, '')
self.assertEqual(P('.').name, '')
self.assertEqual(P('/a/b/.').name, 'b')
def test_stem_empty(self):
P = self.cls
self.assertEqual(P('').stem, '')
self.assertEqual(P('.').stem, '')
def test_with_name_empty(self):
P = self.cls
self.assertRaises(ValueError, P('').with_name, 'd.xml')
self.assertRaises(ValueError, P('.').with_name, 'd.xml')
self.assertRaises(ValueError, P('/').with_name, 'd.xml')
self.assertRaises(ValueError, P('a/b').with_name, '')
self.assertRaises(ValueError, P('a/b').with_name, '.')
def test_with_stem_empty(self):
P = self.cls
self.assertRaises(ValueError, P('').with_stem, 'd')
self.assertRaises(ValueError, P('.').with_stem, 'd')
self.assertRaises(ValueError, P('/').with_stem, 'd')
self.assertRaises(ValueError, P('a/b').with_stem, '')
self.assertRaises(ValueError, P('a/b').with_stem, '.')
def test_is_reserved_deprecated(self):
P = self.cls
p = P('a/b')
with self.assertWarns(DeprecationWarning):
p.is_reserved()
def test_match_empty(self):
P = self.cls
self.assertRaises(ValueError, P('a').match, '')
self.assertRaises(ValueError, P('a').match, '.')
@needs_posix
def test_parse_path_posix(self):
check = self._check_parse_path
# Collapsing of excess leading slashes, except for the double-slash
# special case.
check('//a/b', '', '//', ['a', 'b'])
check('///a/b', '', '/', ['a', 'b'])
check('////a/b', '', '/', ['a', 'b'])
# Paths which look like NT paths aren't treated specially.
check('c:a', '', '', ['c:a',])
check('c:\\a', '', '', ['c:\\a',])
check('\\a', '', '', ['\\a',])
@needs_posix
def test_eq_posix(self):
P = self.cls
self.assertNotEqual(P('a/b'), P('A/b'))
self.assertEqual(P('/a'), P('///a'))
self.assertNotEqual(P('/a'), P('//a'))
@needs_posix
def test_as_uri_posix(self):
P = self.cls
self.assertEqual(P('/').as_uri(), 'file:///')
self.assertEqual(P('/a/b.c').as_uri(), 'file:///a/b.c')
self.assertEqual(P('/a/b%#c').as_uri(), 'file:///a/b%25%23c')
@needs_posix
def test_as_uri_non_ascii(self):
from urllib.parse import quote_from_bytes
P = self.cls
try:
os.fsencode('\xe9')
except UnicodeEncodeError:
self.skipTest("\\xe9 cannot be encoded to the filesystem encoding")
self.assertEqual(P('/a/b\xe9').as_uri(),
'file:///a/b' + quote_from_bytes(os.fsencode('\xe9')))
@needs_posix
def test_parse_windows_path(self):
P = self.cls
p = P('c:', 'a', 'b')
pp = P(pathlib.PureWindowsPath('c:\\a\\b'))
self.assertEqual(p, pp)
windows_equivalences = {
'./a:b': [ ('./a:b',) ],
'c:a': [ ('c:', 'a'), ('c:', 'a/'), ('.', 'c:', 'a') ],
'c:/a': [
('c:/', 'a'), ('c:', '/', 'a'), ('c:', '/a'),
('/z', 'c:/', 'a'), ('//x/y', 'c:/', 'a'),
],
'//a/b/': [ ('//a/b',) ],
'//a/b/c': [
('//a/b', 'c'), ('//a/b/', 'c'),
],
}
@needs_windows
def test_equivalences_windows(self):
self.test_equivalences(self.windows_equivalences)
@needs_windows
def test_parse_path_windows(self):
check = self._check_parse_path
# First part is anchored.
check('c:', 'c:', '', [])
check('c:/', 'c:', '\\', [])
check('/', '', '\\', [])
check('c:a', 'c:', '', ['a'])
check('c:/a', 'c:', '\\', ['a'])
check('/a', '', '\\', ['a'])
# UNC paths.
check('//', '\\\\', '', [])
check('//a', '\\\\a', '', [])
check('//a/', '\\\\a\\', '', [])
check('//a/b', '\\\\a\\b', '\\', [])
check('//a/b/', '\\\\a\\b', '\\', [])
check('//a/b/c', '\\\\a\\b', '\\', ['c'])
# Collapsing and stripping excess slashes.
check('Z://b//c/d/', 'Z:', '\\', ['b', 'c', 'd'])
# UNC paths.
check('//b/c//d', '\\\\b\\c', '\\', ['d'])
# Extended paths.
check('//./c:', '\\\\.\\c:', '', [])
check('//?/c:/', '\\\\?\\c:', '\\', [])
check('//?/c:/a', '\\\\?\\c:', '\\', ['a'])
# Extended UNC paths (format is "\\?\UNC\server\share").
check('//?', '\\\\?', '', [])
check('//?/', '\\\\?\\', '', [])
check('//?/UNC', '\\\\?\\UNC', '', [])
check('//?/UNC/', '\\\\?\\UNC\\', '', [])
check('//?/UNC/b', '\\\\?\\UNC\\b', '', [])
check('//?/UNC/b/', '\\\\?\\UNC\\b\\', '', [])
check('//?/UNC/b/c', '\\\\?\\UNC\\b\\c', '\\', [])
check('//?/UNC/b/c/', '\\\\?\\UNC\\b\\c', '\\', [])
check('//?/UNC/b/c/d', '\\\\?\\UNC\\b\\c', '\\', ['d'])
# UNC device paths
check('//./BootPartition/', '\\\\.\\BootPartition', '\\', [])
check('//?/BootPartition/', '\\\\?\\BootPartition', '\\', [])
check('//./PhysicalDrive0', '\\\\.\\PhysicalDrive0', '', [])
check('//?/Volume{}/', '\\\\?\\Volume{}', '\\', [])
check('//./nul', '\\\\.\\nul', '', [])
# Paths to files with NTFS alternate data streams
check('./c:s', '', '', ['c:s'])
check('cc:s', '', '', ['cc:s'])
check('C:c:s', 'C:', '', ['c:s'])
check('C:/c:s', 'C:', '\\', ['c:s'])
check('D:a/c:b', 'D:', '', ['a', 'c:b'])
check('D:/a/c:b', 'D:', '\\', ['a', 'c:b'])
@needs_windows
def test_eq_windows(self):
P = self.cls
self.assertEqual(P('c:a/b'), P('c:a/b'))
self.assertEqual(P('c:a/b'), P('c:', 'a', 'b'))
self.assertNotEqual(P('c:a/b'), P('d:a/b'))
self.assertNotEqual(P('c:a/b'), P('c:/a/b'))
self.assertNotEqual(P('/a/b'), P('c:/a/b'))
# Case-insensitivity.
self.assertEqual(P('a/B'), P('A/b'))
self.assertEqual(P('C:a/B'), P('c:A/b'))
self.assertEqual(P('//Some/SHARE/a/B'), P('//somE/share/A/b'))
self.assertEqual(P('\u0130'), P('i\u0307'))
@needs_windows
def test_as_uri_windows(self):
P = self.cls
with self.assertRaises(ValueError):
P('/a/b').as_uri()
with self.assertRaises(ValueError):
P('c:a/b').as_uri()
self.assertEqual(P('c:/').as_uri(), 'file:///c:/')
self.assertEqual(P('c:/a/b.c').as_uri(), 'file:///c:/a/b.c')
self.assertEqual(P('c:/a/b%#c').as_uri(), 'file:///c:/a/b%25%23c')
self.assertEqual(P('c:/a/b\xe9').as_uri(), 'file:///c:/a/b%C3%A9')
self.assertEqual(P('//some/share/').as_uri(), 'file://some/share/')
self.assertEqual(P('//some/share/a/b.c').as_uri(),
'file://some/share/a/b.c')
self.assertEqual(P('//some/share/a/b%#c\xe9').as_uri(),
'file://some/share/a/b%25%23c%C3%A9')
@needs_windows
def test_ordering_windows(self):
# Case-insensitivity.
def assertOrderedEqual(a, b):
self.assertLessEqual(a, b)
self.assertGreaterEqual(b, a)
P = self.cls
p = P('c:A/b')
q = P('C:a/B')
assertOrderedEqual(p, q)
self.assertFalse(p < q)
self.assertFalse(p > q)
p = P('//some/Share/A/b')
q = P('//Some/SHARE/a/B')
assertOrderedEqual(p, q)
self.assertFalse(p < q)
self.assertFalse(p > q)
class PurePosixPathTest(PurePathTest):
cls = pathlib.PurePosixPath
class PureWindowsPathTest(PurePathTest):
cls = pathlib.PureWindowsPath
class PurePathSubclassTest(PurePathTest):
class cls(pathlib.PurePath):
pass
# repr() roundtripping is not supported in custom subclass.
test_repr_roundtrips = None
#
# Tests for the concrete classes.
#
class PathTest(test_pathlib_abc.DummyPathTest, PurePathTest):
"""Tests for the FS-accessing functionalities of the Path classes."""
cls = pathlib.Path
can_symlink = os_helper.can_symlink()
def setUp(self):
super().setUp()
os.chmod(self.parser.join(self.base, 'dirE'), 0)
def tearDown(self):
os.chmod(self.parser.join(self.base, 'dirE'), 0o777)
os_helper.rmtree(self.base)
def tempdir(self):
d = os_helper._longpath(tempfile.mkdtemp(suffix='-dirD',
dir=os.getcwd()))
self.addCleanup(os_helper.rmtree, d)
return d
def test_matches_pathbase_api(self):
our_names = {name for name in dir(self.cls) if name[0] != '_'}
our_names.remove('is_reserved') # only present in PurePath
path_names = {name for name in dir(pathlib._abc.PathBase) if name[0] != '_'}
self.assertEqual(our_names, path_names)
for attr_name in our_names:
if attr_name == 'parser':
# On Windows, Path.parser is ntpath, but PathBase.parser is
# posixpath, and so their docstrings differ.
continue
our_attr = getattr(self.cls, attr_name)
path_attr = getattr(pathlib._abc.PathBase, attr_name)
self.assertEqual(our_attr.__doc__, path_attr.__doc__)
def test_concrete_class(self):
if self.cls is pathlib.Path:
expected = pathlib.WindowsPath if os.name == 'nt' else pathlib.PosixPath
else:
expected = self.cls
p = self.cls('a')
self.assertIs(type(p), expected)
def test_unsupported_parser(self):
if self.cls.parser is os.path:
self.skipTest("path parser is supported")
else:
self.assertRaises(pathlib.UnsupportedOperation, self.cls)
def _test_cwd(self, p):
q = self.cls(os.getcwd())
self.assertEqual(p, q)
self.assertEqualNormCase(str(p), str(q))
self.assertIs(type(p), type(q))
self.assertTrue(p.is_absolute())
def test_cwd(self):
p = self.cls.cwd()
self._test_cwd(p)
def test_absolute_common(self):
P = self.cls
with mock.patch("os.getcwd") as getcwd:
getcwd.return_value = self.base
# Simple relative paths.
self.assertEqual(str(P().absolute()), self.base)
self.assertEqual(str(P('.').absolute()), self.base)
self.assertEqual(str(P('a').absolute()), os.path.join(self.base, 'a'))
self.assertEqual(str(P('a', 'b', 'c').absolute()), os.path.join(self.base, 'a', 'b', 'c'))
# Symlinks should not be resolved.
self.assertEqual(str(P('linkB', 'fileB').absolute()), os.path.join(self.base, 'linkB', 'fileB'))
self.assertEqual(str(P('brokenLink').absolute()), os.path.join(self.base, 'brokenLink'))
self.assertEqual(str(P('brokenLinkLoop').absolute()), os.path.join(self.base, 'brokenLinkLoop'))
# '..' entries should be preserved and not normalised.
self.assertEqual(str(P('..').absolute()), os.path.join(self.base, '..'))
self.assertEqual(str(P('a', '..').absolute()), os.path.join(self.base, 'a', '..'))
self.assertEqual(str(P('..', 'b').absolute()), os.path.join(self.base, '..', 'b'))
def _test_home(self, p):
q = self.cls(os.path.expanduser('~'))
self.assertEqual(p, q)
self.assertEqualNormCase(str(p), str(q))
self.assertIs(type(p), type(q))
self.assertTrue(p.is_absolute())
@unittest.skipIf(
pwd is None, reason="Test requires pwd module to get homedir."
)
def test_home(self):
with os_helper.EnvironmentVarGuard() as env:
self._test_home(self.cls.home())
env.clear()
env['USERPROFILE'] = os.path.join(self.base, 'userprofile')
self._test_home(self.cls.home())
# bpo-38883: ignore `HOME` when set on windows
env['HOME'] = os.path.join(self.base, 'home')
self._test_home(self.cls.home())
@unittest.skipIf(is_wasi, "WASI has no user accounts.")
def test_expanduser_common(self):
P = self.cls
p = P('~')
self.assertEqual(p.expanduser(), P(os.path.expanduser('~')))
p = P('foo')
self.assertEqual(p.expanduser(), p)
p = P('/~')
self.assertEqual(p.expanduser(), p)
p = P('../~')
self.assertEqual(p.expanduser(), p)
p = P(P('').absolute().anchor) / '~'
self.assertEqual(p.expanduser(), p)
p = P('~/a:b')
self.assertEqual(p.expanduser(), P(os.path.expanduser('~'), './a:b'))
def test_with_segments(self):
class P(self.cls):
def __init__(self, *pathsegments, session_id):
super().__init__(*pathsegments)
self.session_id = session_id
def with_segments(self, *pathsegments):
return type(self)(*pathsegments, session_id=self.session_id)
p = P(self.base, session_id=42)
self.assertEqual(42, p.absolute().session_id)
self.assertEqual(42, p.resolve().session_id)
if not is_wasi: # WASI has no user accounts.
self.assertEqual(42, p.with_segments('~').expanduser().session_id)
self.assertEqual(42, (p / 'fileA').rename(p / 'fileB').session_id)
self.assertEqual(42, (p / 'fileB').replace(p / 'fileA').session_id)
if self.can_symlink:
self.assertEqual(42, (p / 'linkA').readlink().session_id)
for path in p.iterdir():
self.assertEqual(42, path.session_id)
for path in p.glob('*'):
self.assertEqual(42, path.session_id)
for path in p.rglob('*'):
self.assertEqual(42, path.session_id)
for dirpath, dirnames, filenames in p.walk():
self.assertEqual(42, dirpath.session_id)
def test_open_unbuffered(self):
p = self.cls(self.base)
with (p / 'fileA').open('rb', buffering=0) as f:
self.assertIsInstance(f, io.RawIOBase)
self.assertEqual(f.read().strip(), b"this is file A")
def test_copy_file_preserve_metadata(self):
base = self.cls(self.base)
source = base / 'fileA'
if hasattr(os, 'chmod'):
os.chmod(source, stat.S_IRWXU | stat.S_IRWXO)
if hasattr(os, 'chflags') and hasattr(stat, 'UF_NODUMP'):
os.chflags(source, stat.UF_NODUMP)
source_st = source.stat()
target = base / 'copyA'
source.copy(target, preserve_metadata=True)
self.assertTrue(target.exists())
self.assertEqual(source.read_text(), target.read_text())
target_st = target.stat()
self.assertLessEqual(source_st.st_atime, target_st.st_atime)
self.assertLessEqual(source_st.st_mtime, target_st.st_mtime)
self.assertEqual(source_st.st_mode, target_st.st_mode)
if hasattr(source_st, 'st_flags'):
self.assertEqual(source_st.st_flags, target_st.st_flags)
@os_helper.skip_unless_xattr
def test_copy_file_preserve_metadata_xattrs(self):
base = self.cls(self.base)
source = base / 'fileA'
os.setxattr(source, b'user.foo', b'42')
target = base / 'copyA'
source.copy(target, preserve_metadata=True)
self.assertEqual(os.getxattr(target, b'user.foo'), b'42')
@needs_symlinks
def test_copy_link_preserve_metadata(self):
base = self.cls(self.base)
source = base / 'linkA'
if hasattr(os, 'lchmod'):
os.lchmod(source, stat.S_IRWXU | stat.S_IRWXO)
if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'):
os.lchflags(source, stat.UF_NODUMP)
source_st = source.lstat()
target = base / 'copyA'
source.copy(target, follow_symlinks=False, preserve_metadata=True)
self.assertTrue(target.exists())
self.assertTrue(target.is_symlink())
self.assertEqual(source.readlink(), target.readlink())
target_st = target.lstat()
self.assertLessEqual(source_st.st_atime, target_st.st_atime)
self.assertLessEqual(source_st.st_mtime, target_st.st_mtime)
self.assertEqual(source_st.st_mode, target_st.st_mode)
if hasattr(source_st, 'st_flags'):
self.assertEqual(source_st.st_flags, target_st.st_flags)
def test_copy_error_handling(self):
def make_raiser(err):
def raiser(*args, **kwargs):
raise OSError(err, os.strerror(err))
return raiser
base = self.cls(self.base)
source = base / 'fileA'
target = base / 'copyA'
# Raise non-fatal OSError from all available fast copy functions.
with contextlib.ExitStack() as ctx:
if fcntl and hasattr(fcntl, 'FICLONE'):
ctx.enter_context(mock.patch('fcntl.ioctl', make_raiser(errno.EXDEV)))
if posix and hasattr(posix, '_fcopyfile'):
ctx.enter_context(mock.patch('posix._fcopyfile', make_raiser(errno.ENOTSUP)))
if hasattr(os, 'copy_file_range'):
ctx.enter_context(mock.patch('os.copy_file_range', make_raiser(errno.EXDEV)))
if hasattr(os, 'sendfile'):
ctx.enter_context(mock.patch('os.sendfile', make_raiser(errno.ENOTSOCK)))
source.copy(target)
self.assertTrue(target.exists())
self.assertEqual(source.read_text(), target.read_text())
# Raise fatal OSError from first available fast copy function.
if fcntl and hasattr(fcntl, 'FICLONE'):
patchpoint = 'fcntl.ioctl'
elif posix and hasattr(posix, '_fcopyfile'):
patchpoint = 'posix._fcopyfile'
elif hasattr(os, 'copy_file_range'):
patchpoint = 'os.copy_file_range'
elif hasattr(os, 'sendfile'):
patchpoint = 'os.sendfile'
else:
return
with mock.patch(patchpoint, make_raiser(errno.ENOENT)):
self.assertRaises(FileNotFoundError, source.copy, target)
@unittest.skipIf(sys.platform == "win32" or sys.platform == "wasi", "directories are always readable on Windows and WASI")
@unittest.skipIf(root_in_posix, "test fails with root privilege")
def test_copy_dir_no_read_permission(self):
base = self.cls(self.base)
source = base / 'dirE'
target = base / 'copyE'
self.assertRaises(PermissionError, source.copy, target)
self.assertFalse(target.exists())
def test_copy_dir_preserve_metadata(self):
base = self.cls(self.base)
source = base / 'dirC'
if hasattr(os, 'chmod'):
os.chmod(source / 'dirD', stat.S_IRWXU | stat.S_IRWXO)
if hasattr(os, 'chflags') and hasattr(stat, 'UF_NODUMP'):
os.chflags(source / 'fileC', stat.UF_NODUMP)
target = base / 'copyA'
source.copy(target, preserve_metadata=True)
for subpath in ['.', 'fileC', 'dirD', 'dirD/fileD']:
source_st = source.joinpath(subpath).stat()
target_st = target.joinpath(subpath).stat()
self.assertLessEqual(source_st.st_atime, target_st.st_atime)
self.assertLessEqual(source_st.st_mtime, target_st.st_mtime)
self.assertEqual(source_st.st_mode, target_st.st_mode)
if hasattr(source_st, 'st_flags'):
self.assertEqual(source_st.st_flags, target_st.st_flags)
@os_helper.skip_unless_xattr
def test_copy_dir_preserve_metadata_xattrs(self):
base = self.cls(self.base)
source = base / 'dirC'
source_file = source.joinpath('dirD', 'fileD')
os.setxattr(source_file, b'user.foo', b'42')
target = base / 'copyA'
source.copy(target, preserve_metadata=True)
target_file = target.joinpath('dirD', 'fileD')
self.assertEqual(os.getxattr(target_file, b'user.foo'), b'42')
@patch_replace
def test_move_file_other_fs(self):
self.test_move_file()
@patch_replace
def test_move_file_to_file_other_fs(self):
self.test_move_file_to_file()
@patch_replace
def test_move_file_to_dir_other_fs(self):
self.test_move_file_to_dir()
@patch_replace
def test_move_dir_other_fs(self):
self.test_move_dir()
@patch_replace
def test_move_dir_to_dir_other_fs(self):
self.test_move_dir_to_dir()
@patch_replace
def test_move_dir_into_itself_other_fs(self):
self.test_move_dir_into_itself()
@patch_replace
@needs_symlinks
def test_move_file_symlink_other_fs(self):
self.test_move_file_symlink()
@patch_replace
@needs_symlinks
def test_move_file_symlink_to_itself_other_fs(self):
self.test_move_file_symlink_to_itself()
@patch_replace
@needs_symlinks
def test_move_dir_symlink_other_fs(self):
self.test_move_dir_symlink()
@patch_replace
@needs_symlinks
def test_move_dir_symlink_to_itself_other_fs(self):
self.test_move_dir_symlink_to_itself()
@patch_replace
@needs_symlinks
def test_move_dangling_symlink_other_fs(self):
self.test_move_dangling_symlink()
@patch_replace
def test_move_into_other_os(self):
self.test_move_into()
@patch_replace
def test_move_into_empty_name_other_os(self):
self.test_move_into_empty_name()
def test_resolve_nonexist_relative_issue38671(self):
p = self.cls('non', 'exist')
old_cwd = os.getcwd()
os.chdir(self.base)
try:
self.assertEqual(p.resolve(), self.cls(self.base, p))
finally:
os.chdir(old_cwd)
@os_helper.skip_unless_working_chmod
def test_chmod(self):
p = self.cls(self.base) / 'fileA'
mode = p.stat().st_mode
# Clear writable bit.
new_mode = mode & ~0o222
p.chmod(new_mode)
self.assertEqual(p.stat().st_mode, new_mode)
# Set writable bit.
new_mode = mode | 0o222
p.chmod(new_mode)
self.assertEqual(p.stat().st_mode, new_mode)
# On Windows, os.chmod does not follow symlinks (issue #15411)
@needs_posix
@os_helper.skip_unless_working_chmod
def test_chmod_follow_symlinks_true(self):
p = self.cls(self.base) / 'linkA'
q = p.resolve()
mode = q.stat().st_mode
# Clear writable bit.
new_mode = mode & ~0o222
p.chmod(new_mode, follow_symlinks=True)
self.assertEqual(q.stat().st_mode, new_mode)
# Set writable bit
new_mode = mode | 0o222
p.chmod(new_mode, follow_symlinks=True)
self.assertEqual(q.stat().st_mode, new_mode)
# XXX also need a test for lchmod.
def _get_pw_name_or_skip_test(self, uid):
try:
return pwd.getpwuid(uid).pw_name
except KeyError:
self.skipTest(
"user %d doesn't have an entry in the system database" % uid)
@unittest.skipUnless(pwd, "the pwd module is needed for this test")
def test_owner(self):
p = self.cls(self.base) / 'fileA'
expected_uid = p.stat().st_uid
expected_name = self._get_pw_name_or_skip_test(expected_uid)
self.assertEqual(expected_name, p.owner())
@unittest.skipUnless(pwd, "the pwd module is needed for this test")
@unittest.skipUnless(root_in_posix, "test needs root privilege")
def test_owner_no_follow_symlinks(self):
all_users = [u.pw_uid for u in pwd.getpwall()]
if len(all_users) < 2:
self.skipTest("test needs more than one user")
target = self.cls(self.base) / 'fileA'
link = self.cls(self.base) / 'linkA'
uid_1, uid_2 = all_users[:2]
os.chown(target, uid_1, -1)
os.chown(link, uid_2, -1, follow_symlinks=False)
expected_uid = link.stat(follow_symlinks=False).st_uid
expected_name = self._get_pw_name_or_skip_test(expected_uid)
self.assertEqual(expected_uid, uid_2)
self.assertEqual(expected_name, link.owner(follow_symlinks=False))
def _get_gr_name_or_skip_test(self, gid):
try:
return grp.getgrgid(gid).gr_name
except KeyError:
self.skipTest(
"group %d doesn't have an entry in the system database" % gid)
@unittest.skipUnless(grp, "the grp module is needed for this test")
def test_group(self):
p = self.cls(self.base) / 'fileA'
expected_gid = p.stat().st_gid
expected_name = self._get_gr_name_or_skip_test(expected_gid)
self.assertEqual(expected_name, p.group())
@unittest.skipUnless(grp, "the grp module is needed for this test")
@unittest.skipUnless(root_in_posix, "test needs root privilege")
def test_group_no_follow_symlinks(self):
all_groups = [g.gr_gid for g in grp.getgrall()]
if len(all_groups) < 2:
self.skipTest("test needs more than one group")
target = self.cls(self.base) / 'fileA'
link = self.cls(self.base) / 'linkA'
gid_1, gid_2 = all_groups[:2]
os.chown(target, -1, gid_1)
os.chown(link, -1, gid_2, follow_symlinks=False)
expected_gid = link.stat(follow_symlinks=False).st_gid
expected_name = self._get_pw_name_or_skip_test(expected_gid)
self.assertEqual(expected_gid, gid_2)
self.assertEqual(expected_name, link.group(follow_symlinks=False))
@unittest.skipIf(sys.platform[:6] == 'cygwin',
"This test can't be run on Cygwin (issue #1071513).")
@os_helper.skip_if_dac_override
@os_helper.skip_unless_working_chmod
def test_delete_unwritable(self):
tmp = self.cls(self.base, 'delete')
tmp.mkdir()
child_file_path = tmp / 'a'
child_dir_path = tmp / 'b'
child_file_path.write_text("")
child_dir_path.mkdir()
old_dir_mode = tmp.stat().st_mode
old_child_file_mode = child_file_path.stat().st_mode
old_child_dir_mode = child_dir_path.stat().st_mode
# Make unwritable.
new_mode = stat.S_IREAD | stat.S_IEXEC
try:
child_file_path.chmod(new_mode)
child_dir_path.chmod(new_mode)
tmp.chmod(new_mode)
self.assertRaises(PermissionError, tmp._delete)
finally:
tmp.chmod(old_dir_mode)
child_file_path.chmod(old_child_file_mode)
child_dir_path.chmod(old_child_dir_mode)
@needs_windows
def test_delete_inner_junction(self):
import _winapi
tmp = self.cls(self.base, 'delete')
tmp.mkdir()
dir1 = tmp / 'dir1'
dir2 = dir1 / 'dir2'
dir3 = tmp / 'dir3'
for d in dir1, dir2, dir3:
d.mkdir()
file1 = tmp / 'file1'
file1.write_text('foo')
link1 = dir1 / 'link1'
_winapi.CreateJunction(str(dir2), str(link1))
link2 = dir1 / 'link2'
_winapi.CreateJunction(str(dir3), str(link2))
link3 = dir1 / 'link3'
_winapi.CreateJunction(str(file1), str(link3))
# make sure junctions are removed but not followed
dir1._delete()
self.assertFalse(dir1.exists())
self.assertTrue(dir3.exists())
self.assertTrue(file1.exists())
@needs_windows
def test_delete_outer_junction(self):
import _winapi
tmp = self.cls(self.base, 'delete')
tmp.mkdir()
src = tmp / 'cheese'
dst = tmp / 'shop'
src.mkdir()
spam = src / 'spam'
spam.write_text('')
_winapi.CreateJunction(str(src), str(dst))
dst._delete()
self.assertFalse(dst.exists())
self.assertTrue(spam.exists())
self.assertTrue(src.exists())
@unittest.skipUnless(hasattr(os, "mkfifo"), 'requires os.mkfifo()')
@unittest.skipIf(sys.platform == "vxworks",
"fifo requires special path on VxWorks")
def test_delete_on_named_pipe(self):
p = self.cls(self.base, 'pipe')
os.mkfifo(p)
p._delete()
self.assertFalse(p.exists())
p = self.cls(self.base, 'dir')
p.mkdir()
os.mkfifo(p / 'mypipe')
p._delete()
self.assertFalse(p.exists())
def test_delete_does_not_choke_on_failing_lstat(self):
try:
orig_lstat = os.lstat
tmp = self.cls(self.base, 'delete')
def raiser(fn, *args, **kwargs):
if fn != tmp:
raise OSError()
else:
return orig_lstat(fn)
os.lstat = raiser
tmp.mkdir()
foo = tmp / 'foo'
foo.write_text('')
tmp._delete()
finally:
os.lstat = orig_lstat
@os_helper.skip_unless_hardlink
def test_hardlink_to(self):
P = self.cls(self.base)
target = P / 'fileA'
size = target.stat().st_size
# linking to another path.
link = P / 'dirA' / 'fileAA'
link.hardlink_to(target)
self.assertEqual(link.stat().st_size, size)
self.assertTrue(os.path.samefile(target, link))
self.assertTrue(target.exists())
# Linking to a str of a relative path.
link2 = P / 'dirA' / 'fileAAA'
target2 = self.parser.join(TESTFN, 'fileA')
link2.hardlink_to(target2)
self.assertEqual(os.stat(target2).st_size, size)
self.assertTrue(link2.exists())
@unittest.skipIf(hasattr(os, "link"), "os.link() is present")
def test_hardlink_to_unsupported(self):
P = self.cls(self.base)
p = P / 'fileA'
# linking to another path.
q = P / 'dirA' / 'fileAA'
with self.assertRaises(pathlib.UnsupportedOperation):
q.hardlink_to(p)
def test_rename(self):
P = self.cls(self.base)
p = P / 'fileA'
size = p.stat().st_size
# Renaming to another path.
q = P / 'dirA' / 'fileAA'
renamed_p = p.rename(q)
self.assertEqual(renamed_p, q)
self.assertEqual(q.stat().st_size, size)
self.assertFileNotFound(p.stat)
# Renaming to a str of a relative path.
r = self.parser.join(TESTFN, 'fileAAA')
renamed_q = q.rename(r)
self.assertEqual(renamed_q, self.cls(r))
self.assertEqual(os.stat(r).st_size, size)
self.assertFileNotFound(q.stat)
def test_replace(self):
P = self.cls(self.base)
p = P / 'fileA'
size = p.stat().st_size
# Replacing a non-existing path.
q = P / 'dirA' / 'fileAA'
replaced_p = p.replace(q)
self.assertEqual(replaced_p, q)
self.assertEqual(q.stat().st_size, size)
self.assertFileNotFound(p.stat)
# Replacing another (existing) path.
r = self.parser.join(TESTFN, 'dirB', 'fileB')
replaced_q = q.replace(r)
self.assertEqual(replaced_q, self.cls(r))
self.assertEqual(os.stat(r).st_size, size)
self.assertFileNotFound(q.stat)
def test_touch_common(self):
P = self.cls(self.base)
p = P / 'newfileA'
self.assertFalse(p.exists())
p.touch()
self.assertTrue(p.exists())
st = p.stat()
old_mtime = st.st_mtime
old_mtime_ns = st.st_mtime_ns
# Rewind the mtime sufficiently far in the past to work around
# filesystem-specific timestamp granularity.
os.utime(str(p), (old_mtime - 10, old_mtime - 10))
# The file mtime should be refreshed by calling touch() again.
p.touch()
st = p.stat()
self.assertGreaterEqual(st.st_mtime_ns, old_mtime_ns)
self.assertGreaterEqual(st.st_mtime, old_mtime)
# Now with exist_ok=False.
p = P / 'newfileB'
self.assertFalse(p.exists())
p.touch(mode=0o700, exist_ok=False)
self.assertTrue(p.exists())
self.assertRaises(OSError, p.touch, exist_ok=False)
def test_touch_nochange(self):
P = self.cls(self.base)
p = P / 'fileA'
p.touch()
with p.open('rb') as f:
self.assertEqual(f.read().strip(), b"this is file A")
def test_mkdir(self):
P = self.cls(self.base)
p = P / 'newdirA'
self.assertFalse(p.exists())
p.mkdir()
self.assertTrue(p.exists())
self.assertTrue(p.is_dir())
with self.assertRaises(OSError) as cm:
p.mkdir()
self.assertEqual(cm.exception.errno, errno.EEXIST)
def test_mkdir_parents(self):
# Creating a chain of directories.
p = self.cls(self.base, 'newdirB', 'newdirC')
self.assertFalse(p.exists())
with self.assertRaises(OSError) as cm:
p.mkdir()
self.assertEqual(cm.exception.errno, errno.ENOENT)
p.mkdir(parents=True)
self.assertTrue(p.exists())
self.assertTrue(p.is_dir())
with self.assertRaises(OSError) as cm:
p.mkdir(parents=True)
self.assertEqual(cm.exception.errno, errno.EEXIST)
# Test `mode` arg.
mode = stat.S_IMODE(p.stat().st_mode) # Default mode.
p = self.cls(self.base, 'newdirD', 'newdirE')
p.mkdir(0o555, parents=True)
self.assertTrue(p.exists())
self.assertTrue(p.is_dir())
if os.name != 'nt':
# The directory's permissions follow the mode argument.
self.assertEqual(stat.S_IMODE(p.stat().st_mode), 0o7555 & mode)
# The parent's permissions follow the default process settings.
self.assertEqual(stat.S_IMODE(p.parent.stat().st_mode), mode)
def test_mkdir_exist_ok(self):
p = self.cls(self.base, 'dirB')
st_ctime_first = p.stat().st_ctime
self.assertTrue(p.exists())
self.assertTrue(p.is_dir())
with self.assertRaises(FileExistsError) as cm:
p.mkdir()
self.assertEqual(cm.exception.errno, errno.EEXIST)
p.mkdir(exist_ok=True)
self.assertTrue(p.exists())
self.assertEqual(p.stat().st_ctime, st_ctime_first)
def test_mkdir_exist_ok_with_parent(self):
p = self.cls(self.base, 'dirC')
self.assertTrue(p.exists())
with self.assertRaises(FileExistsError) as cm:
p.mkdir()
self.assertEqual(cm.exception.errno, errno.EEXIST)
p = p / 'newdirC'
p.mkdir(parents=True)
st_ctime_first = p.stat().st_ctime
self.assertTrue(p.exists())
with self.assertRaises(FileExistsError) as cm:
p.mkdir(parents=True)
self.assertEqual(cm.exception.errno, errno.EEXIST)
p.mkdir(parents=True, exist_ok=True)
self.assertTrue(p.exists())
self.assertEqual(p.stat().st_ctime, st_ctime_first)
@unittest.skipIf(is_emscripten, "FS root cannot be modified on Emscripten.")
def test_mkdir_exist_ok_root(self):
# Issue #25803: A drive root could raise PermissionError on Windows.
self.cls('/').resolve().mkdir(exist_ok=True)
self.cls('/').resolve().mkdir(parents=True, exist_ok=True)
@needs_windows # XXX: not sure how to test this on POSIX.
def test_mkdir_with_unknown_drive(self):
for d in 'ZYXWVUTSRQPONMLKJIHGFEDCBA':
p = self.cls(d + ':\\')
if not p.is_dir():
break
else:
self.skipTest("cannot find a drive that doesn't exist")
with self.assertRaises(OSError):
(p / 'child' / 'path').mkdir(parents=True)
def test_mkdir_with_child_file(self):
p = self.cls(self.base, 'dirB', 'fileB')
self.assertTrue(p.exists())
# An exception is raised when the last path component is an existing
# regular file, regardless of whether exist_ok is true or not.
with self.assertRaises(FileExistsError) as cm:
p.mkdir(parents=True)
self.assertEqual(cm.exception.errno, errno.EEXIST)
with self.assertRaises(FileExistsError) as cm:
p.mkdir(parents=True, exist_ok=True)
self.assertEqual(cm.exception.errno, errno.EEXIST)
def test_mkdir_no_parents_file(self):
p = self.cls(self.base, 'fileA')
self.assertTrue(p.exists())
# An exception is raised when the last path component is an existing
# regular file, regardless of whether exist_ok is true or not.
with self.assertRaises(FileExistsError) as cm:
p.mkdir()
self.assertEqual(cm.exception.errno, errno.EEXIST)
with self.assertRaises(FileExistsError) as cm:
p.mkdir(exist_ok=True)
self.assertEqual(cm.exception.errno, errno.EEXIST)
def test_mkdir_concurrent_parent_creation(self):
for pattern_num in range(32):
p = self.cls(self.base, 'dirCPC%d' % pattern_num)
self.assertFalse(p.exists())
real_mkdir = os.mkdir
def my_mkdir(path, mode=0o777):
path = str(path)
# Emulate another process that would create the directory
# just before we try to create it ourselves. We do it
# in all possible pattern combinations, assuming that this
# function is called at most 5 times (dirCPC/dir1/dir2,
# dirCPC/dir1, dirCPC, dirCPC/dir1, dirCPC/dir1/dir2).
if pattern.pop():
real_mkdir(path, mode) # From another process.
concurrently_created.add(path)
real_mkdir(path, mode) # Our real call.
pattern = [bool(pattern_num & (1 << n)) for n in range(5)]
concurrently_created = set()
p12 = p / 'dir1' / 'dir2'
try:
with mock.patch("os.mkdir", my_mkdir):
p12.mkdir(parents=True, exist_ok=False)
except FileExistsError:
self.assertIn(str(p12), concurrently_created)
else:
self.assertNotIn(str(p12), concurrently_created)
self.assertTrue(p.exists())
@needs_symlinks
def test_symlink_to(self):
P = self.cls(self.base)
target = P / 'fileA'
# Symlinking a path target.
link = P / 'dirA' / 'linkAA'
link.symlink_to(target)
self.assertEqual(link.stat(), target.stat())
self.assertNotEqual(link.lstat(), target.stat())
# Symlinking a str target.
link = P / 'dirA' / 'linkAAA'
link.symlink_to(str(target))
self.assertEqual(link.stat(), target.stat())
self.assertNotEqual(link.lstat(), target.stat())
self.assertFalse(link.is_dir())
# Symlinking to a directory.
target = P / 'dirB'
link = P / 'dirA' / 'linkAAAA'
link.symlink_to(target, target_is_directory=True)
self.assertEqual(link.stat(), target.stat())
self.assertNotEqual(link.lstat(), target.stat())
self.assertTrue(link.is_dir())
self.assertTrue(list(link.iterdir()))
@unittest.skipIf(hasattr(os, "symlink"), "os.symlink() is present")
def test_symlink_to_unsupported(self):
P = self.cls(self.base)
p = P / 'fileA'
# linking to another path.
q = P / 'dirA' / 'fileAA'
with self.assertRaises(pathlib.UnsupportedOperation):
q.symlink_to(p)
def test_is_junction(self):
P = self.cls(self.base)
with mock.patch.object(P.parser, 'isjunction'):
self.assertEqual(P.is_junction(), P.parser.isjunction.return_value)
P.parser.isjunction.assert_called_once_with(P)
@unittest.skipUnless(hasattr(os, "mkfifo"), "os.mkfifo() required")
@unittest.skipIf(sys.platform == "vxworks",
"fifo requires special path on VxWorks")
def test_is_fifo_true(self):
P = self.cls(self.base, 'myfifo')
try:
os.mkfifo(str(P))
except PermissionError as e:
self.skipTest('os.mkfifo(): %s' % e)
self.assertTrue(P.is_fifo())
self.assertFalse(P.is_socket())
self.assertFalse(P.is_file())
self.assertIs(self.cls(self.base, 'myfifo\udfff').is_fifo(), False)
self.assertIs(self.cls(self.base, 'myfifo\x00').is_fifo(), False)
@unittest.skipUnless(hasattr(socket, "AF_UNIX"), "Unix sockets required")
@unittest.skipIf(
is_emscripten, "Unix sockets are not implemented on Emscripten."
)
@unittest.skipIf(
is_wasi, "Cannot create socket on WASI."
)
def test_is_socket_true(self):
P = self.cls(self.base, 'mysock')
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
self.addCleanup(sock.close)
try:
sock.bind(str(P))
except OSError as e:
if (isinstance(e, PermissionError) or
"AF_UNIX path too long" in str(e)):
self.skipTest("cannot bind Unix socket: " + str(e))
self.assertTrue(P.is_socket())
self.assertFalse(P.is_fifo())
self.assertFalse(P.is_file())
self.assertIs(self.cls(self.base, 'mysock\udfff').is_socket(), False)
self.assertIs(self.cls(self.base, 'mysock\x00').is_socket(), False)
def test_is_char_device_true(self):
# os.devnull should generally be a char device.
P = self.cls(os.devnull)
if not P.exists():
self.skipTest("null device required")
self.assertTrue(P.is_char_device())
self.assertFalse(P.is_block_device())
self.assertFalse(P.is_file())
self.assertIs(self.cls(f'{os.devnull}\udfff').is_char_device(), False)
self.assertIs(self.cls(f'{os.devnull}\x00').is_char_device(), False)
def test_is_mount_root(self):
if os.name == 'nt':
R = self.cls('c:\\')
else:
R = self.cls('/')
self.assertTrue(R.is_mount())
self.assertFalse((R / '\udfff').is_mount())
def test_passing_kwargs_errors(self):
with self.assertRaises(TypeError):
self.cls(foo="bar")
def setUpWalk(self):
super().setUpWalk()
sub21_path= self.sub2_path / "SUB21"
tmp5_path = sub21_path / "tmp3"
broken_link3_path = self.sub2_path / "broken_link3"
os.makedirs(sub21_path)
tmp5_path.write_text("I am tmp5, blame test_pathlib.")
if self.can_symlink:
os.symlink(tmp5_path, broken_link3_path)
self.sub2_tree[2].append('broken_link3')
self.sub2_tree[2].sort()
if not is_emscripten:
# Emscripten fails with inaccessible directories.
os.chmod(sub21_path, 0)
try:
os.listdir(sub21_path)
except PermissionError:
self.sub2_tree[1].append('SUB21')
else:
os.chmod(sub21_path, stat.S_IRWXU)
os.unlink(tmp5_path)
os.rmdir(sub21_path)
def test_walk_bad_dir(self):
self.setUpWalk()
errors = []
walk_it = self.walk_path.walk(on_error=errors.append)
root, dirs, files = next(walk_it)
self.assertEqual(errors, [])
dir1 = 'SUB1'
path1 = root / dir1
path1new = (root / dir1).with_suffix(".new")
path1.rename(path1new)
try:
roots = [r for r, _, _ in walk_it]
self.assertTrue(errors)
self.assertNotIn(path1, roots)
self.assertNotIn(path1new, roots)
for dir2 in dirs:
if dir2 != dir1:
self.assertIn(root / dir2, roots)
finally:
path1new.rename(path1)
def test_walk_many_open_files(self):
depth = 30
base = self.cls(self.base, 'deep')
path = self.cls(base, *(['d']*depth))
path.mkdir(parents=True)
iters = [base.walk(top_down=False) for _ in range(100)]
for i in range(depth + 1):
expected = (path, ['d'] if i else [], [])
for it in iters:
self.assertEqual(next(it), expected)
path = path.parent
iters = [base.walk(top_down=True) for _ in range(100)]
path = base
for i in range(depth + 1):
expected = (path, ['d'] if i < depth else [], [])
for it in iters:
self.assertEqual(next(it), expected)
path = path / 'd'
def test_walk_above_recursion_limit(self):
recursion_limit = 40
# directory_depth > recursion_limit
directory_depth = recursion_limit + 10
base = self.cls(self.base, 'deep')
path = base.joinpath(*(['d'] * directory_depth))
path.mkdir(parents=True)
with infinite_recursion(recursion_limit):
list(base.walk())
list(base.walk(top_down=False))
def test_glob_empty_pattern(self):
p = self.cls('')
with self.assertRaisesRegex(ValueError, 'Unacceptable pattern'):
list(p.glob(''))
with self.assertRaisesRegex(ValueError, 'Unacceptable pattern'):
list(p.glob('.'))
with self.assertRaisesRegex(ValueError, 'Unacceptable pattern'):
list(p.glob('./'))
def test_glob_many_open_files(self):
depth = 30
P = self.cls
p = base = P(self.base) / 'deep'
p.mkdir()
for _ in range(depth):
p /= 'd'
p.mkdir()
pattern = '/'.join(['*'] * depth)
iters = [base.glob(pattern) for j in range(100)]
for it in iters:
self.assertEqual(next(it), p)
iters = [base.rglob('d') for j in range(100)]
p = base
for i in range(depth):
p = p / 'd'
for it in iters:
self.assertEqual(next(it), p)
def test_glob_above_recursion_limit(self):
recursion_limit = 50
# directory_depth > recursion_limit
directory_depth = recursion_limit + 10
base = self.cls(self.base, 'deep')
path = base.joinpath(*(['d'] * directory_depth))
path.mkdir(parents=True)
with infinite_recursion(recursion_limit):
list(base.glob('**/'))
def test_glob_pathlike(self):
P = self.cls
p = P(self.base)
pattern = "dir*/file*"
expect = {p / "dirB/fileB", p / "dirC/fileC"}
self.assertEqual(expect, set(p.glob(P(pattern))))
self.assertEqual(expect, set(p.glob(FakePath(pattern))))
@needs_symlinks
def test_glob_dot(self):
P = self.cls
with os_helper.change_cwd(P(self.base, "dirC")):
self.assertEqual(
set(P('.').glob('*')), {P("fileC"), P("novel.txt"), P("dirD")})
self.assertEqual(
set(P('.').glob('**')), {P("fileC"), P("novel.txt"), P("dirD"), P("dirD/fileD"), P(".")})
self.assertEqual(
set(P('.').glob('**/*')), {P("fileC"), P("novel.txt"), P("dirD"), P("dirD/fileD")})
self.assertEqual(
set(P('.').glob('**/*/*')), {P("dirD/fileD")})
def test_glob_inaccessible(self):
P = self.cls
p = P(self.base, "mydir1", "mydir2")
p.mkdir(parents=True)
p.parent.chmod(0)
self.assertEqual(set(p.glob('*')), set())
def test_rglob_pathlike(self):
P = self.cls
p = P(self.base, "dirC")
pattern = "**/file*"
expect = {p / "fileC", p / "dirD/fileD"}
self.assertEqual(expect, set(p.rglob(P(pattern))))
self.assertEqual(expect, set(p.rglob(FakePath(pattern))))
@needs_posix
def test_absolute_posix(self):
P = self.cls
self.assertEqual(str(P('/').absolute()), '/')
self.assertEqual(str(P('/a').absolute()), '/a')
self.assertEqual(str(P('/a/b').absolute()), '/a/b')
# '//'-prefixed absolute path (supported by POSIX).
self.assertEqual(str(P('//').absolute()), '//')
self.assertEqual(str(P('//a').absolute()), '//a')
self.assertEqual(str(P('//a/b').absolute()), '//a/b')
@unittest.skipIf(
is_emscripten or is_wasi,
"umask is not implemented on Emscripten/WASI."
)
@needs_posix
def test_open_mode(self):
# Unmask all permissions except world-write, which may
# not be supported on some filesystems (see GH-85633.)
old_mask = os.umask(0o002)
self.addCleanup(os.umask, old_mask)
p = self.cls(self.base)
with (p / 'new_file').open('wb'):
pass
st = os.stat(self.parser.join(self.base, 'new_file'))
self.assertEqual(stat.S_IMODE(st.st_mode), 0o664)
os.umask(0o026)
with (p / 'other_new_file').open('wb'):
pass
st = os.stat(self.parser.join(self.base, 'other_new_file'))
self.assertEqual(stat.S_IMODE(st.st_mode), 0o640)
@needs_posix
def test_resolve_root(self):
current_directory = os.getcwd()
try:
os.chdir('/')
p = self.cls('spam')
self.assertEqual(str(p.resolve()), '/spam')
finally:
os.chdir(current_directory)
@unittest.skipIf(
is_emscripten or is_wasi,
"umask is not implemented on Emscripten/WASI."
)
@needs_posix
def test_touch_mode(self):
# Unmask all permissions except world-write, which may
# not be supported on some filesystems (see GH-85633.)
old_mask = os.umask(0o002)
self.addCleanup(os.umask, old_mask)
p = self.cls(self.base)
(p / 'new_file').touch()
st = os.stat(self.parser.join(self.base, 'new_file'))
self.assertEqual(stat.S_IMODE(st.st_mode), 0o664)
os.umask(0o026)
(p / 'other_new_file').touch()
st = os.stat(self.parser.join(self.base, 'other_new_file'))
self.assertEqual(stat.S_IMODE(st.st_mode), 0o640)
(p / 'masked_new_file').touch(mode=0o750)
st = os.stat(self.parser.join(self.base, 'masked_new_file'))
self.assertEqual(stat.S_IMODE(st.st_mode), 0o750)
@unittest.skipUnless(hasattr(pwd, 'getpwall'),
'pwd module does not expose getpwall()')
@unittest.skipIf(sys.platform == "vxworks",
"no home directory on VxWorks")
@needs_posix
def test_expanduser_posix(self):
P = self.cls
import_helper.import_module('pwd')
import pwd
pwdent = pwd.getpwuid(os.getuid())
username = pwdent.pw_name
userhome = pwdent.pw_dir.rstrip('/') or '/'
# Find arbitrary different user (if exists).
for pwdent in pwd.getpwall():
othername = pwdent.pw_name
otherhome = pwdent.pw_dir.rstrip('/')
if othername != username and otherhome:
break
else:
othername = username
otherhome = userhome
fakename = 'fakeuser'
# This user can theoretically exist on a test runner. Create unique name:
try:
while pwd.getpwnam(fakename):
fakename += '1'
except KeyError:
pass # Non-existent name found
p1 = P('~/Documents')
p2 = P(f'~{username}/Documents')
p3 = P(f'~{othername}/Documents')
p4 = P(f'../~{username}/Documents')
p5 = P(f'/~{username}/Documents')
p6 = P('')
p7 = P(f'~{fakename}/Documents')
with os_helper.EnvironmentVarGuard() as env:
env.pop('HOME', None)
self.assertEqual(p1.expanduser(), P(userhome) / 'Documents')
self.assertEqual(p2.expanduser(), P(userhome) / 'Documents')
self.assertEqual(p3.expanduser(), P(otherhome) / 'Documents')
self.assertEqual(p4.expanduser(), p4)
self.assertEqual(p5.expanduser(), p5)
self.assertEqual(p6.expanduser(), p6)
self.assertRaises(RuntimeError, p7.expanduser)
env['HOME'] = '/tmp'
self.assertEqual(p1.expanduser(), P('/tmp/Documents'))
self.assertEqual(p2.expanduser(), P(userhome) / 'Documents')
self.assertEqual(p3.expanduser(), P(otherhome) / 'Documents')
self.assertEqual(p4.expanduser(), p4)
self.assertEqual(p5.expanduser(), p5)
self.assertEqual(p6.expanduser(), p6)
self.assertRaises(RuntimeError, p7.expanduser)
@unittest.skipIf(sys.platform != "darwin",
"Bad file descriptor in /dev/fd affects only macOS")
@needs_posix
def test_handling_bad_descriptor(self):
try:
file_descriptors = list(pathlib.Path('/dev/fd').rglob("*"))[3:]
if not file_descriptors:
self.skipTest("no file descriptors - issue was not reproduced")
# Checking all file descriptors because there is no guarantee
# which one will fail.
for f in file_descriptors:
f.exists()
f.is_dir()
f.is_file()
f.is_symlink()
f.is_block_device()
f.is_char_device()
f.is_fifo()
f.is_socket()
except OSError as e:
if e.errno == errno.EBADF:
self.fail("Bad file descriptor not handled.")
raise
@needs_posix
def test_from_uri_posix(self):
P = self.cls
self.assertEqual(P.from_uri('file:/foo/bar'), P('/foo/bar'))
self.assertEqual(P.from_uri('file://foo/bar'), P('//foo/bar'))
self.assertEqual(P.from_uri('file:///foo/bar'), P('/foo/bar'))
self.assertEqual(P.from_uri('file:////foo/bar'), P('//foo/bar'))
self.assertEqual(P.from_uri('file://localhost/foo/bar'), P('/foo/bar'))
self.assertRaises(ValueError, P.from_uri, 'foo/bar')
self.assertRaises(ValueError, P.from_uri, '/foo/bar')
self.assertRaises(ValueError, P.from_uri, '//foo/bar')
self.assertRaises(ValueError, P.from_uri, 'file:foo/bar')
self.assertRaises(ValueError, P.from_uri, 'http://foo/bar')
@needs_posix
def test_from_uri_pathname2url_posix(self):
P = self.cls
self.assertEqual(P.from_uri('file:' + pathname2url('/foo/bar')), P('/foo/bar'))
self.assertEqual(P.from_uri('file:' + pathname2url('//foo/bar')), P('//foo/bar'))
@needs_windows
def test_absolute_windows(self):
P = self.cls
# Simple absolute paths.
self.assertEqual(str(P('c:\\').absolute()), 'c:\\')
self.assertEqual(str(P('c:\\a').absolute()), 'c:\\a')
self.assertEqual(str(P('c:\\a\\b').absolute()), 'c:\\a\\b')
# UNC absolute paths.
share = '\\\\server\\share\\'
self.assertEqual(str(P(share).absolute()), share)
self.assertEqual(str(P(share + 'a').absolute()), share + 'a')
self.assertEqual(str(P(share + 'a\\b').absolute()), share + 'a\\b')
# UNC relative paths.
with mock.patch("os.getcwd") as getcwd:
getcwd.return_value = share
self.assertEqual(str(P().absolute()), share)
self.assertEqual(str(P('.').absolute()), share)
self.assertEqual(str(P('a').absolute()), os.path.join(share, 'a'))
self.assertEqual(str(P('a', 'b', 'c').absolute()),
os.path.join(share, 'a', 'b', 'c'))
drive = os.path.splitdrive(self.base)[0]
with os_helper.change_cwd(self.base):
# Relative path with root
self.assertEqual(str(P('\\').absolute()), drive + '\\')
self.assertEqual(str(P('\\foo').absolute()), drive + '\\foo')
# Relative path on current drive
self.assertEqual(str(P(drive).absolute()), self.base)
self.assertEqual(str(P(drive + 'foo').absolute()), os.path.join(self.base, 'foo'))
with os_helper.subst_drive(self.base) as other_drive:
# Set the working directory on the substitute drive
saved_cwd = os.getcwd()
other_cwd = f'{other_drive}\\dirA'
os.chdir(other_cwd)
os.chdir(saved_cwd)
# Relative path on another drive
self.assertEqual(str(P(other_drive).absolute()), other_cwd)
self.assertEqual(str(P(other_drive + 'foo').absolute()), other_cwd + '\\foo')
@needs_windows
def test_expanduser_windows(self):
P = self.cls
with os_helper.EnvironmentVarGuard() as env:
env.pop('HOME', None)
env.pop('USERPROFILE', None)
env.pop('HOMEPATH', None)
env.pop('HOMEDRIVE', None)
env['USERNAME'] = 'alice'
# test that the path returns unchanged
p1 = P('~/My Documents')
p2 = P('~alice/My Documents')
p3 = P('~bob/My Documents')
p4 = P('/~/My Documents')
p5 = P('d:~/My Documents')
p6 = P('')
self.assertRaises(RuntimeError, p1.expanduser)
self.assertRaises(RuntimeError, p2.expanduser)
self.assertRaises(RuntimeError, p3.expanduser)
self.assertEqual(p4.expanduser(), p4)
self.assertEqual(p5.expanduser(), p5)
self.assertEqual(p6.expanduser(), p6)
def check():
env.pop('USERNAME', None)
self.assertEqual(p1.expanduser(),
P('C:/Users/alice/My Documents'))
self.assertRaises(RuntimeError, p2.expanduser)
env['USERNAME'] = 'alice'
self.assertEqual(p2.expanduser(),
P('C:/Users/alice/My Documents'))
self.assertEqual(p3.expanduser(),
P('C:/Users/bob/My Documents'))
self.assertEqual(p4.expanduser(), p4)
self.assertEqual(p5.expanduser(), p5)
self.assertEqual(p6.expanduser(), p6)
env['HOMEPATH'] = 'C:\\Users\\alice'
check()
env['HOMEDRIVE'] = 'C:\\'
env['HOMEPATH'] = 'Users\\alice'
check()
env.pop('HOMEDRIVE', None)
env.pop('HOMEPATH', None)
env['USERPROFILE'] = 'C:\\Users\\alice'
check()
# bpo-38883: ignore `HOME` when set on windows
env['HOME'] = 'C:\\Users\\eve'
check()
@needs_windows
def test_from_uri_windows(self):
P = self.cls
# DOS drive paths
self.assertEqual(P.from_uri('file:c:/path/to/file'), P('c:/path/to/file'))
self.assertEqual(P.from_uri('file:c|/path/to/file'), P('c:/path/to/file'))
self.assertEqual(P.from_uri('file:/c|/path/to/file'), P('c:/path/to/file'))
self.assertEqual(P.from_uri('file:///c|/path/to/file'), P('c:/path/to/file'))
# UNC paths
self.assertEqual(P.from_uri('file://server/path/to/file'), P('//server/path/to/file'))
self.assertEqual(P.from_uri('file:////server/path/to/file'), P('//server/path/to/file'))
self.assertEqual(P.from_uri('file://///server/path/to/file'), P('//server/path/to/file'))
# Localhost paths
self.assertEqual(P.from_uri('file://localhost/c:/path/to/file'), P('c:/path/to/file'))
self.assertEqual(P.from_uri('file://localhost/c|/path/to/file'), P('c:/path/to/file'))
# Invalid paths
self.assertRaises(ValueError, P.from_uri, 'foo/bar')
self.assertRaises(ValueError, P.from_uri, 'c:/foo/bar')
self.assertRaises(ValueError, P.from_uri, '//foo/bar')
self.assertRaises(ValueError, P.from_uri, 'file:foo/bar')
self.assertRaises(ValueError, P.from_uri, 'http://foo/bar')
@needs_windows
def test_from_uri_pathname2url_windows(self):
P = self.cls
self.assertEqual(P.from_uri('file:' + pathname2url(r'c:\path\to\file')), P('c:/path/to/file'))
self.assertEqual(P.from_uri('file:' + pathname2url(r'\\server\path\to\file')), P('//server/path/to/file'))
@needs_windows
def test_owner_windows(self):
P = self.cls
with self.assertRaises(pathlib.UnsupportedOperation):
P('c:/').owner()
@needs_windows
def test_group_windows(self):
P = self.cls
with self.assertRaises(pathlib.UnsupportedOperation):
P('c:/').group()
@unittest.skipIf(os.name == 'nt', 'test requires a POSIX-compatible system')
class PosixPathTest(PathTest, PurePosixPathTest):
cls = pathlib.PosixPath
@unittest.skipIf(os.name != 'nt', 'test requires a Windows-compatible system')
class WindowsPathTest(PathTest, PureWindowsPathTest):
cls = pathlib.WindowsPath
class PathSubclassTest(PathTest):
class cls(pathlib.Path):
pass
# repr() roundtripping is not supported in custom subclass.
test_repr_roundtrips = None
class CompatiblePathTest(unittest.TestCase):
"""
Test that a type can be made compatible with PurePath
derivatives by implementing division operator overloads.
"""
class CompatPath:
"""
Minimum viable class to test PurePath compatibility.
Simply uses the division operator to join a given
string and the string value of another object with
a forward slash.
"""
def __init__(self, string):
self.string = string
def __truediv__(self, other):
return type(self)(f"{self.string}/{other}")
def __rtruediv__(self, other):
return type(self)(f"{other}/{self.string}")
def test_truediv(self):
result = pathlib.PurePath("test") / self.CompatPath("right")
self.assertIsInstance(result, self.CompatPath)
self.assertEqual(result.string, "test/right")
with self.assertRaises(TypeError):
# Verify improper operations still raise a TypeError
pathlib.PurePath("test") / 10
def test_rtruediv(self):
result = self.CompatPath("left") / pathlib.PurePath("test")
self.assertIsInstance(result, self.CompatPath)
self.assertEqual(result.string, "left/test")
with self.assertRaises(TypeError):
# Verify improper operations still raise a TypeError
10 / pathlib.PurePath("test")
if __name__ == "__main__":
unittest.main()
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