cpython/Lib/test/test_pathlib.py
Anders Kaseorg 5c0d462689 bpo-32601: Let test_expanduser use the same user if no others found. (GH-5246)
This happens in the NixOS build sandbox, for example, where the only
other user is nobody with home directory /.
2018-05-14 17:00:37 +03:00

2250 lines
89 KiB
Python

import collections.abc
import io
import os
import errno
import pathlib
import pickle
import socket
import stat
import tempfile
import unittest
from unittest import mock
from test import support
from test.support import TESTFN, FakePath
try:
import grp, pwd
except ImportError:
grp = pwd = None
class _BaseFlavourTest(object):
def _check_parse_parts(self, arg, expected):
f = self.flavour.parse_parts
sep = self.flavour.sep
altsep = self.flavour.altsep
actual = f([x.replace('/', sep) for x in arg])
self.assertEqual(actual, expected)
if altsep:
actual = f([x.replace('/', altsep) for x in arg])
self.assertEqual(actual, expected)
def test_parse_parts_common(self):
check = self._check_parse_parts
sep = self.flavour.sep
# Unanchored parts
check([], ('', '', []))
check(['a'], ('', '', ['a']))
check(['a/'], ('', '', ['a']))
check(['a', 'b'], ('', '', ['a', 'b']))
# Expansion
check(['a/b'], ('', '', ['a', 'b']))
check(['a/b/'], ('', '', ['a', 'b']))
check(['a', 'b/c', 'd'], ('', '', ['a', 'b', 'c', 'd']))
# Collapsing and stripping excess slashes
check(['a', 'b//c', 'd'], ('', '', ['a', 'b', 'c', 'd']))
check(['a', 'b/c/', 'd'], ('', '', ['a', 'b', 'c', 'd']))
# Eliminating standalone dots
check(['.'], ('', '', []))
check(['.', '.', 'b'], ('', '', ['b']))
check(['a', '.', 'b'], ('', '', ['a', 'b']))
check(['a', '.', '.'], ('', '', ['a']))
# The first part is anchored
check(['/a/b'], ('', sep, [sep, 'a', 'b']))
check(['/a', 'b'], ('', sep, [sep, 'a', 'b']))
check(['/a/', 'b'], ('', sep, [sep, 'a', 'b']))
# Ignoring parts before an anchored part
check(['a', '/b', 'c'], ('', sep, [sep, 'b', 'c']))
check(['a', '/b', '/c'], ('', sep, [sep, 'c']))
class PosixFlavourTest(_BaseFlavourTest, unittest.TestCase):
flavour = pathlib._posix_flavour
def test_parse_parts(self):
check = self._check_parse_parts
# 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']))
def test_splitroot(self):
f = self.flavour.splitroot
self.assertEqual(f(''), ('', '', ''))
self.assertEqual(f('a'), ('', '', 'a'))
self.assertEqual(f('a/b'), ('', '', 'a/b'))
self.assertEqual(f('a/b/'), ('', '', 'a/b/'))
self.assertEqual(f('/a'), ('', '/', 'a'))
self.assertEqual(f('/a/b'), ('', '/', 'a/b'))
self.assertEqual(f('/a/b/'), ('', '/', 'a/b/'))
# The root is collapsed when there are redundant slashes
# except when there are exactly two leading slashes, which
# is a special case in POSIX.
self.assertEqual(f('//a'), ('', '//', 'a'))
self.assertEqual(f('///a'), ('', '/', 'a'))
self.assertEqual(f('///a/b'), ('', '/', 'a/b'))
# Paths which look like NT paths aren't treated specially
self.assertEqual(f('c:/a/b'), ('', '', 'c:/a/b'))
self.assertEqual(f('\\/a/b'), ('', '', '\\/a/b'))
self.assertEqual(f('\\a\\b'), ('', '', '\\a\\b'))
class NTFlavourTest(_BaseFlavourTest, unittest.TestCase):
flavour = pathlib._windows_flavour
def test_parse_parts(self):
check = self._check_parse_parts
# First part is anchored
check(['c:'], ('c:', '', ['c:']))
check(['c:/'], ('c:', '\\', ['c:\\']))
check(['/'], ('', '\\', ['\\']))
check(['c:a'], ('c:', '', ['c:', 'a']))
check(['c:/a'], ('c:', '\\', ['c:\\', 'a']))
check(['/a'], ('', '\\', ['\\', 'a']))
# UNC paths
check(['//a/b'], ('\\\\a\\b', '\\', ['\\\\a\\b\\']))
check(['//a/b/'], ('\\\\a\\b', '\\', ['\\\\a\\b\\']))
check(['//a/b/c'], ('\\\\a\\b', '\\', ['\\\\a\\b\\', 'c']))
# Second part is anchored, so that the first part is ignored
check(['a', 'Z:b', 'c'], ('Z:', '', ['Z:', 'b', 'c']))
check(['a', 'Z:/b', 'c'], ('Z:', '\\', ['Z:\\', 'b', 'c']))
# UNC paths
check(['a', '//b/c', 'd'], ('\\\\b\\c', '\\', ['\\\\b\\c\\', 'd']))
# Collapsing and stripping excess slashes
check(['a', 'Z://b//c/', 'd/'], ('Z:', '\\', ['Z:\\', 'b', 'c', 'd']))
# UNC paths
check(['a', '//b/c//', 'd'], ('\\\\b\\c', '\\', ['\\\\b\\c\\', 'd']))
# Extended paths
check(['//?/c:/'], ('\\\\?\\c:', '\\', ['\\\\?\\c:\\']))
check(['//?/c:/a'], ('\\\\?\\c:', '\\', ['\\\\?\\c:\\', 'a']))
check(['//?/c:/a', '/b'], ('\\\\?\\c:', '\\', ['\\\\?\\c:\\', 'b']))
# Extended UNC paths (format is "\\?\UNC\server\share")
check(['//?/UNC/b/c'], ('\\\\?\\UNC\\b\\c', '\\', ['\\\\?\\UNC\\b\\c\\']))
check(['//?/UNC/b/c/d'], ('\\\\?\\UNC\\b\\c', '\\', ['\\\\?\\UNC\\b\\c\\', 'd']))
# Second part has a root but not drive
check(['a', '/b', 'c'], ('', '\\', ['\\', 'b', 'c']))
check(['Z:/a', '/b', 'c'], ('Z:', '\\', ['Z:\\', 'b', 'c']))
check(['//?/Z:/a', '/b', 'c'], ('\\\\?\\Z:', '\\', ['\\\\?\\Z:\\', 'b', 'c']))
def test_splitroot(self):
f = self.flavour.splitroot
self.assertEqual(f(''), ('', '', ''))
self.assertEqual(f('a'), ('', '', 'a'))
self.assertEqual(f('a\\b'), ('', '', 'a\\b'))
self.assertEqual(f('\\a'), ('', '\\', 'a'))
self.assertEqual(f('\\a\\b'), ('', '\\', 'a\\b'))
self.assertEqual(f('c:a\\b'), ('c:', '', 'a\\b'))
self.assertEqual(f('c:\\a\\b'), ('c:', '\\', 'a\\b'))
# Redundant slashes in the root are collapsed
self.assertEqual(f('\\\\a'), ('', '\\', 'a'))
self.assertEqual(f('\\\\\\a/b'), ('', '\\', 'a/b'))
self.assertEqual(f('c:\\\\a'), ('c:', '\\', 'a'))
self.assertEqual(f('c:\\\\\\a/b'), ('c:', '\\', 'a/b'))
# Valid UNC paths
self.assertEqual(f('\\\\a\\b'), ('\\\\a\\b', '\\', ''))
self.assertEqual(f('\\\\a\\b\\'), ('\\\\a\\b', '\\', ''))
self.assertEqual(f('\\\\a\\b\\c\\d'), ('\\\\a\\b', '\\', 'c\\d'))
# These are non-UNC paths (according to ntpath.py and test_ntpath)
# However, command.com says such paths are invalid, so it's
# difficult to know what the right semantics are
self.assertEqual(f('\\\\\\a\\b'), ('', '\\', 'a\\b'))
self.assertEqual(f('\\\\a'), ('', '\\', 'a'))
#
# Tests for the pure classes
#
class _BasePurePathTest(object):
# 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/'),
('/a', '/b/c', 'd'),
# empty components get removed
('/', 'b', '', 'c/d'), ('/', '', 'b/c/d'), ('', '/b/c/d'),
],
}
def setUp(self):
p = self.cls('a')
self.flavour = p._flavour
self.sep = self.flavour.sep
self.altsep = self.flavour.altsep
def test_constructor_common(self):
P = self.cls
p = P('a')
self.assertIsInstance(p, P)
P('a', 'b', 'c')
P('/a', 'b', 'c')
P('a/b/c')
P('/a/b/c')
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")))
def _check_str_subclass(self, *args):
# Issue #21127: it should be possible to construct a PurePath object
# from a str subclass instance, and it then gets converted to
# a pure str object.
class StrSubclass(str):
pass
P = self.cls
p = P(*(StrSubclass(x) for x in args))
self.assertEqual(p, P(*args))
for part in p.parts:
self.assertIs(type(part), str)
def test_str_subclass_common(self):
self._check_str_subclass('')
self._check_str_subclass('.')
self._check_str_subclass('a')
self._check_str_subclass('a/b.txt')
self._check_str_subclass('/a/b.txt')
def test_join_common(self):
P = self.cls
p = P('a/b')
pp = p.joinpath('c')
self.assertEqual(pp, P('a/b/c'))
self.assertIs(type(pp), type(p))
pp = p.joinpath('c', 'd')
self.assertEqual(pp, P('a/b/c/d'))
pp = p.joinpath(P('c'))
self.assertEqual(pp, P('a/b/c'))
pp = p.joinpath('/c')
self.assertEqual(pp, P('/c'))
def test_div_common(self):
# Basically the same as joinpath()
P = self.cls
p = P('a/b')
pp = p / 'c'
self.assertEqual(pp, P('a/b/c'))
self.assertIs(type(pp), type(p))
pp = p / 'c/d'
self.assertEqual(pp, P('a/b/c/d'))
pp = p / 'c' / 'd'
self.assertEqual(pp, P('a/b/c/d'))
pp = 'c' / p / 'd'
self.assertEqual(pp, P('c/a/b/d'))
pp = p / P('c')
self.assertEqual(pp, P('a/b/c'))
pp = p/ '/c'
self.assertEqual(pp, P('/c'))
def _check_str(self, expected, args):
p = self.cls(*args)
self.assertEqual(str(p), expected.replace('/', self.sep))
def test_str_common(self):
# Canonicalized paths roundtrip
for pathstr in ('a', 'a/b', 'a/b/c', '/', '/a/b', '/a/b/c'):
self._check_str(pathstr, (pathstr,))
# Special case for the empty path
self._check_str('.', ('',))
# Other tests for str() are in test_equivalences()
def test_as_posix_common(self):
P = self.cls
for pathstr in ('a', 'a/b', 'a/b/c', '/', '/a/b', '/a/b/c'):
self.assertEqual(P(pathstr).as_posix(), pathstr)
# Other tests for as_posix() are in test_equivalences()
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_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_common(self):
for pathstr in ('a', 'a/b', 'a/b/c', '/', '/a/b', '/a/b/c'):
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())
# 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_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_match_common(self):
P = self.cls
self.assertRaises(ValueError, P('a').match, '')
self.assertRaises(ValueError, P('a').match, '.')
# Simple relative pattern
self.assertTrue(P('b.py').match('b.py'))
self.assertTrue(P('a/b.py').match('b.py'))
self.assertTrue(P('/a/b.py').match('b.py'))
self.assertFalse(P('a.py').match('b.py'))
self.assertFalse(P('b/py').match('b.py'))
self.assertFalse(P('/a.py').match('b.py'))
self.assertFalse(P('b.py/c').match('b.py'))
# Wilcard relative pattern
self.assertTrue(P('b.py').match('*.py'))
self.assertTrue(P('a/b.py').match('*.py'))
self.assertTrue(P('/a/b.py').match('*.py'))
self.assertFalse(P('b.pyc').match('*.py'))
self.assertFalse(P('b./py').match('*.py'))
self.assertFalse(P('b.py/c').match('*.py'))
# Multi-part relative pattern
self.assertTrue(P('ab/c.py').match('a*/*.py'))
self.assertTrue(P('/d/ab/c.py').match('a*/*.py'))
self.assertFalse(P('a.py').match('a*/*.py'))
self.assertFalse(P('/dab/c.py').match('a*/*.py'))
self.assertFalse(P('ab/c.py/d').match('a*/*.py'))
# Absolute pattern
self.assertTrue(P('/b.py').match('/*.py'))
self.assertFalse(P('b.py').match('/*.py'))
self.assertFalse(P('a/b.py').match('/*.py'))
self.assertFalse(P('/a/b.py').match('/*.py'))
# Multi-part absolute pattern
self.assertTrue(P('/a/b.py').match('/a/*.py'))
self.assertFalse(P('/ab.py').match('/a/*.py'))
self.assertFalse(P('/a/b/c.py').match('/a/*.py'))
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_parts_common(self):
# `parts` returns a tuple
sep = self.sep
P = self.cls
p = P('a/b')
parts = p.parts
self.assertEqual(parts, ('a', 'b'))
# The object gets reused
self.assertIs(parts, p.parts)
# When the path is absolute, the anchor is a separate part
p = P('/a/b')
parts = p.parts
self.assertEqual(parts, (sep, 'a', 'b'))
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_equivalences(self):
for k, tuples in self.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_parent_common(self):
# Relative
P = self.cls
p = P('a/b/c')
self.assertEqual(p.parent, P('a/b'))
self.assertEqual(p.parent.parent, P('a'))
self.assertEqual(p.parent.parent.parent, P())
self.assertEqual(p.parent.parent.parent.parent, P())
# Anchored
p = P('/a/b/c')
self.assertEqual(p.parent, P('/a/b'))
self.assertEqual(p.parent.parent, P('/a'))
self.assertEqual(p.parent.parent.parent, P('/'))
self.assertEqual(p.parent.parent.parent.parent, P('/'))
def test_parents_common(self):
# Relative
P = self.cls
p = P('a/b/c')
par = p.parents
self.assertEqual(len(par), 3)
self.assertEqual(par[0], P('a/b'))
self.assertEqual(par[1], P('a'))
self.assertEqual(par[2], P('.'))
self.assertEqual(list(par), [P('a/b'), P('a'), P('.')])
with self.assertRaises(IndexError):
par[-1]
with self.assertRaises(IndexError):
par[3]
with self.assertRaises(TypeError):
par[0] = p
# Anchored
p = P('/a/b/c')
par = p.parents
self.assertEqual(len(par), 3)
self.assertEqual(par[0], P('/a/b'))
self.assertEqual(par[1], P('/a'))
self.assertEqual(par[2], P('/'))
self.assertEqual(list(par), [P('/a/b'), P('/a'), P('/')])
with self.assertRaises(IndexError):
par[3]
def test_drive_common(self):
P = self.cls
self.assertEqual(P('a/b').drive, '')
self.assertEqual(P('/a/b').drive, '')
self.assertEqual(P('').drive, '')
def test_root_common(self):
P = self.cls
sep = self.sep
self.assertEqual(P('').root, '')
self.assertEqual(P('a/b').root, '')
self.assertEqual(P('/').root, sep)
self.assertEqual(P('/a/b').root, sep)
def test_anchor_common(self):
P = self.cls
sep = self.sep
self.assertEqual(P('').anchor, '')
self.assertEqual(P('a/b').anchor, '')
self.assertEqual(P('/').anchor, sep)
self.assertEqual(P('/a/b').anchor, sep)
def test_name_common(self):
P = self.cls
self.assertEqual(P('').name, '')
self.assertEqual(P('.').name, '')
self.assertEqual(P('/').name, '')
self.assertEqual(P('a/b').name, 'b')
self.assertEqual(P('/a/b').name, 'b')
self.assertEqual(P('/a/b/.').name, 'b')
self.assertEqual(P('a/b.py').name, 'b.py')
self.assertEqual(P('/a/b.py').name, 'b.py')
def test_suffix_common(self):
P = self.cls
self.assertEqual(P('').suffix, '')
self.assertEqual(P('.').suffix, '')
self.assertEqual(P('..').suffix, '')
self.assertEqual(P('/').suffix, '')
self.assertEqual(P('a/b').suffix, '')
self.assertEqual(P('/a/b').suffix, '')
self.assertEqual(P('/a/b/.').suffix, '')
self.assertEqual(P('a/b.py').suffix, '.py')
self.assertEqual(P('/a/b.py').suffix, '.py')
self.assertEqual(P('a/.hgrc').suffix, '')
self.assertEqual(P('/a/.hgrc').suffix, '')
self.assertEqual(P('a/.hg.rc').suffix, '.rc')
self.assertEqual(P('/a/.hg.rc').suffix, '.rc')
self.assertEqual(P('a/b.tar.gz').suffix, '.gz')
self.assertEqual(P('/a/b.tar.gz').suffix, '.gz')
self.assertEqual(P('a/Some name. Ending with a dot.').suffix, '')
self.assertEqual(P('/a/Some name. Ending with a dot.').suffix, '')
def test_suffixes_common(self):
P = self.cls
self.assertEqual(P('').suffixes, [])
self.assertEqual(P('.').suffixes, [])
self.assertEqual(P('/').suffixes, [])
self.assertEqual(P('a/b').suffixes, [])
self.assertEqual(P('/a/b').suffixes, [])
self.assertEqual(P('/a/b/.').suffixes, [])
self.assertEqual(P('a/b.py').suffixes, ['.py'])
self.assertEqual(P('/a/b.py').suffixes, ['.py'])
self.assertEqual(P('a/.hgrc').suffixes, [])
self.assertEqual(P('/a/.hgrc').suffixes, [])
self.assertEqual(P('a/.hg.rc').suffixes, ['.rc'])
self.assertEqual(P('/a/.hg.rc').suffixes, ['.rc'])
self.assertEqual(P('a/b.tar.gz').suffixes, ['.tar', '.gz'])
self.assertEqual(P('/a/b.tar.gz').suffixes, ['.tar', '.gz'])
self.assertEqual(P('a/Some name. Ending with a dot.').suffixes, [])
self.assertEqual(P('/a/Some name. Ending with a dot.').suffixes, [])
def test_stem_common(self):
P = self.cls
self.assertEqual(P('').stem, '')
self.assertEqual(P('.').stem, '')
self.assertEqual(P('..').stem, '..')
self.assertEqual(P('/').stem, '')
self.assertEqual(P('a/b').stem, 'b')
self.assertEqual(P('a/b.py').stem, 'b')
self.assertEqual(P('a/.hgrc').stem, '.hgrc')
self.assertEqual(P('a/.hg.rc').stem, '.hg')
self.assertEqual(P('a/b.tar.gz').stem, 'b.tar')
self.assertEqual(P('a/Some name. Ending with a dot.').stem,
'Some name. Ending with a dot.')
def test_with_name_common(self):
P = self.cls
self.assertEqual(P('a/b').with_name('d.xml'), P('a/d.xml'))
self.assertEqual(P('/a/b').with_name('d.xml'), P('/a/d.xml'))
self.assertEqual(P('a/b.py').with_name('d.xml'), P('a/d.xml'))
self.assertEqual(P('/a/b.py').with_name('d.xml'), P('/a/d.xml'))
self.assertEqual(P('a/Dot ending.').with_name('d.xml'), P('a/d.xml'))
self.assertEqual(P('/a/Dot ending.').with_name('d.xml'), P('/a/d.xml'))
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, '/c')
self.assertRaises(ValueError, P('a/b').with_name, 'c/')
self.assertRaises(ValueError, P('a/b').with_name, 'c/d')
def test_with_suffix_common(self):
P = self.cls
self.assertEqual(P('a/b').with_suffix('.gz'), P('a/b.gz'))
self.assertEqual(P('/a/b').with_suffix('.gz'), P('/a/b.gz'))
self.assertEqual(P('a/b.py').with_suffix('.gz'), P('a/b.gz'))
self.assertEqual(P('/a/b.py').with_suffix('.gz'), P('/a/b.gz'))
# Stripping suffix
self.assertEqual(P('a/b.py').with_suffix(''), P('a/b'))
self.assertEqual(P('/a/b').with_suffix(''), P('/a/b'))
# Path doesn't have a "filename" component
self.assertRaises(ValueError, P('').with_suffix, '.gz')
self.assertRaises(ValueError, P('.').with_suffix, '.gz')
self.assertRaises(ValueError, P('/').with_suffix, '.gz')
# Invalid suffix
self.assertRaises(ValueError, P('a/b').with_suffix, 'gz')
self.assertRaises(ValueError, P('a/b').with_suffix, '/')
self.assertRaises(ValueError, P('a/b').with_suffix, '.')
self.assertRaises(ValueError, P('a/b').with_suffix, '/.gz')
self.assertRaises(ValueError, P('a/b').with_suffix, 'c/d')
self.assertRaises(ValueError, P('a/b').with_suffix, '.c/.d')
self.assertRaises(ValueError, P('a/b').with_suffix, './.d')
self.assertRaises(ValueError, P('a/b').with_suffix, '.d/.')
def test_relative_to_common(self):
P = self.cls
p = P('a/b')
self.assertRaises(TypeError, p.relative_to)
self.assertRaises(TypeError, p.relative_to, b'a')
self.assertEqual(p.relative_to(P()), P('a/b'))
self.assertEqual(p.relative_to(''), P('a/b'))
self.assertEqual(p.relative_to(P('a')), P('b'))
self.assertEqual(p.relative_to('a'), P('b'))
self.assertEqual(p.relative_to('a/'), P('b'))
self.assertEqual(p.relative_to(P('a/b')), P())
self.assertEqual(p.relative_to('a/b'), P())
# With several args
self.assertEqual(p.relative_to('a', 'b'), P())
# Unrelated paths
self.assertRaises(ValueError, p.relative_to, P('c'))
self.assertRaises(ValueError, p.relative_to, P('a/b/c'))
self.assertRaises(ValueError, p.relative_to, P('a/c'))
self.assertRaises(ValueError, p.relative_to, P('/a'))
p = P('/a/b')
self.assertEqual(p.relative_to(P('/')), P('a/b'))
self.assertEqual(p.relative_to('/'), P('a/b'))
self.assertEqual(p.relative_to(P('/a')), P('b'))
self.assertEqual(p.relative_to('/a'), P('b'))
self.assertEqual(p.relative_to('/a/'), P('b'))
self.assertEqual(p.relative_to(P('/a/b')), P())
self.assertEqual(p.relative_to('/a/b'), P())
# Unrelated paths
self.assertRaises(ValueError, p.relative_to, P('/c'))
self.assertRaises(ValueError, p.relative_to, P('/a/b/c'))
self.assertRaises(ValueError, p.relative_to, P('/a/c'))
self.assertRaises(ValueError, p.relative_to, P())
self.assertRaises(ValueError, p.relative_to, '')
self.assertRaises(ValueError, p.relative_to, P('a'))
def test_pickling_common(self):
P = self.cls
p = P('/a/b')
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))
class PurePosixPathTest(_BasePurePathTest, unittest.TestCase):
cls = pathlib.PurePosixPath
def test_root(self):
P = self.cls
self.assertEqual(P('/a/b').root, '/')
self.assertEqual(P('///a/b').root, '/')
# POSIX special case for two leading slashes
self.assertEqual(P('//a/b').root, '//')
def test_eq(self):
P = self.cls
self.assertNotEqual(P('a/b'), P('A/b'))
self.assertEqual(P('/a'), P('///a'))
self.assertNotEqual(P('/a'), P('//a'))
def test_as_uri(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')
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')))
def test_match(self):
P = self.cls
self.assertFalse(P('A.py').match('a.PY'))
def test_is_absolute(self):
P = self.cls
self.assertFalse(P().is_absolute())
self.assertFalse(P('a').is_absolute())
self.assertFalse(P('a/b/').is_absolute())
self.assertTrue(P('/').is_absolute())
self.assertTrue(P('/a').is_absolute())
self.assertTrue(P('/a/b/').is_absolute())
self.assertTrue(P('//a').is_absolute())
self.assertTrue(P('//a/b').is_absolute())
def test_is_reserved(self):
P = self.cls
self.assertIs(False, P('').is_reserved())
self.assertIs(False, P('/').is_reserved())
self.assertIs(False, P('/foo/bar').is_reserved())
self.assertIs(False, P('/dev/con/PRN/NUL').is_reserved())
def test_join(self):
P = self.cls
p = P('//a')
pp = p.joinpath('b')
self.assertEqual(pp, P('//a/b'))
pp = P('/a').joinpath('//c')
self.assertEqual(pp, P('//c'))
pp = P('//a').joinpath('/c')
self.assertEqual(pp, P('/c'))
def test_div(self):
# Basically the same as joinpath()
P = self.cls
p = P('//a')
pp = p / 'b'
self.assertEqual(pp, P('//a/b'))
pp = P('/a') / '//c'
self.assertEqual(pp, P('//c'))
pp = P('//a') / '/c'
self.assertEqual(pp, P('/c'))
class PureWindowsPathTest(_BasePurePathTest, unittest.TestCase):
cls = pathlib.PureWindowsPath
equivalences = _BasePurePathTest.equivalences.copy()
equivalences.update({
'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'),
],
})
def test_str(self):
p = self.cls('a/b/c')
self.assertEqual(str(p), 'a\\b\\c')
p = self.cls('c:/a/b/c')
self.assertEqual(str(p), 'c:\\a\\b\\c')
p = self.cls('//a/b')
self.assertEqual(str(p), '\\\\a\\b\\')
p = self.cls('//a/b/c')
self.assertEqual(str(p), '\\\\a\\b\\c')
p = self.cls('//a/b/c/d')
self.assertEqual(str(p), '\\\\a\\b\\c\\d')
def test_str_subclass(self):
self._check_str_subclass('c:')
self._check_str_subclass('c:a')
self._check_str_subclass('c:a\\b.txt')
self._check_str_subclass('c:\\')
self._check_str_subclass('c:\\a')
self._check_str_subclass('c:\\a\\b.txt')
self._check_str_subclass('\\\\some\\share')
self._check_str_subclass('\\\\some\\share\\a')
self._check_str_subclass('\\\\some\\share\\a\\b.txt')
def test_eq(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'))
def test_as_uri(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')
def test_match_common(self):
P = self.cls
# Absolute patterns
self.assertTrue(P('c:/b.py').match('/*.py'))
self.assertTrue(P('c:/b.py').match('c:*.py'))
self.assertTrue(P('c:/b.py').match('c:/*.py'))
self.assertFalse(P('d:/b.py').match('c:/*.py')) # wrong drive
self.assertFalse(P('b.py').match('/*.py'))
self.assertFalse(P('b.py').match('c:*.py'))
self.assertFalse(P('b.py').match('c:/*.py'))
self.assertFalse(P('c:b.py').match('/*.py'))
self.assertFalse(P('c:b.py').match('c:/*.py'))
self.assertFalse(P('/b.py').match('c:*.py'))
self.assertFalse(P('/b.py').match('c:/*.py'))
# UNC patterns
self.assertTrue(P('//some/share/a.py').match('/*.py'))
self.assertTrue(P('//some/share/a.py').match('//some/share/*.py'))
self.assertFalse(P('//other/share/a.py').match('//some/share/*.py'))
self.assertFalse(P('//some/share/a/b.py').match('//some/share/*.py'))
# Case-insensitivity
self.assertTrue(P('B.py').match('b.PY'))
self.assertTrue(P('c:/a/B.Py').match('C:/A/*.pY'))
self.assertTrue(P('//Some/Share/B.Py').match('//somE/sharE/*.pY'))
def test_ordering_common(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)
def test_parts(self):
P = self.cls
p = P('c:a/b')
parts = p.parts
self.assertEqual(parts, ('c:', 'a', 'b'))
p = P('c:/a/b')
parts = p.parts
self.assertEqual(parts, ('c:\\', 'a', 'b'))
p = P('//a/b/c/d')
parts = p.parts
self.assertEqual(parts, ('\\\\a\\b\\', 'c', 'd'))
def test_parent(self):
# Anchored
P = self.cls
p = P('z:a/b/c')
self.assertEqual(p.parent, P('z:a/b'))
self.assertEqual(p.parent.parent, P('z:a'))
self.assertEqual(p.parent.parent.parent, P('z:'))
self.assertEqual(p.parent.parent.parent.parent, P('z:'))
p = P('z:/a/b/c')
self.assertEqual(p.parent, P('z:/a/b'))
self.assertEqual(p.parent.parent, P('z:/a'))
self.assertEqual(p.parent.parent.parent, P('z:/'))
self.assertEqual(p.parent.parent.parent.parent, P('z:/'))
p = P('//a/b/c/d')
self.assertEqual(p.parent, P('//a/b/c'))
self.assertEqual(p.parent.parent, P('//a/b'))
self.assertEqual(p.parent.parent.parent, P('//a/b'))
def test_parents(self):
# Anchored
P = self.cls
p = P('z:a/b/')
par = p.parents
self.assertEqual(len(par), 2)
self.assertEqual(par[0], P('z:a'))
self.assertEqual(par[1], P('z:'))
self.assertEqual(list(par), [P('z:a'), P('z:')])
with self.assertRaises(IndexError):
par[2]
p = P('z:/a/b/')
par = p.parents
self.assertEqual(len(par), 2)
self.assertEqual(par[0], P('z:/a'))
self.assertEqual(par[1], P('z:/'))
self.assertEqual(list(par), [P('z:/a'), P('z:/')])
with self.assertRaises(IndexError):
par[2]
p = P('//a/b/c/d')
par = p.parents
self.assertEqual(len(par), 2)
self.assertEqual(par[0], P('//a/b/c'))
self.assertEqual(par[1], P('//a/b'))
self.assertEqual(list(par), [P('//a/b/c'), P('//a/b')])
with self.assertRaises(IndexError):
par[2]
def test_drive(self):
P = self.cls
self.assertEqual(P('c:').drive, 'c:')
self.assertEqual(P('c:a/b').drive, 'c:')
self.assertEqual(P('c:/').drive, 'c:')
self.assertEqual(P('c:/a/b/').drive, 'c:')
self.assertEqual(P('//a/b').drive, '\\\\a\\b')
self.assertEqual(P('//a/b/').drive, '\\\\a\\b')
self.assertEqual(P('//a/b/c/d').drive, '\\\\a\\b')
def test_root(self):
P = self.cls
self.assertEqual(P('c:').root, '')
self.assertEqual(P('c:a/b').root, '')
self.assertEqual(P('c:/').root, '\\')
self.assertEqual(P('c:/a/b/').root, '\\')
self.assertEqual(P('//a/b').root, '\\')
self.assertEqual(P('//a/b/').root, '\\')
self.assertEqual(P('//a/b/c/d').root, '\\')
def test_anchor(self):
P = self.cls
self.assertEqual(P('c:').anchor, 'c:')
self.assertEqual(P('c:a/b').anchor, 'c:')
self.assertEqual(P('c:/').anchor, 'c:\\')
self.assertEqual(P('c:/a/b/').anchor, 'c:\\')
self.assertEqual(P('//a/b').anchor, '\\\\a\\b\\')
self.assertEqual(P('//a/b/').anchor, '\\\\a\\b\\')
self.assertEqual(P('//a/b/c/d').anchor, '\\\\a\\b\\')
def test_name(self):
P = self.cls
self.assertEqual(P('c:').name, '')
self.assertEqual(P('c:/').name, '')
self.assertEqual(P('c:a/b').name, 'b')
self.assertEqual(P('c:/a/b').name, 'b')
self.assertEqual(P('c:a/b.py').name, 'b.py')
self.assertEqual(P('c:/a/b.py').name, 'b.py')
self.assertEqual(P('//My.py/Share.php').name, '')
self.assertEqual(P('//My.py/Share.php/a/b').name, 'b')
def test_suffix(self):
P = self.cls
self.assertEqual(P('c:').suffix, '')
self.assertEqual(P('c:/').suffix, '')
self.assertEqual(P('c:a/b').suffix, '')
self.assertEqual(P('c:/a/b').suffix, '')
self.assertEqual(P('c:a/b.py').suffix, '.py')
self.assertEqual(P('c:/a/b.py').suffix, '.py')
self.assertEqual(P('c:a/.hgrc').suffix, '')
self.assertEqual(P('c:/a/.hgrc').suffix, '')
self.assertEqual(P('c:a/.hg.rc').suffix, '.rc')
self.assertEqual(P('c:/a/.hg.rc').suffix, '.rc')
self.assertEqual(P('c:a/b.tar.gz').suffix, '.gz')
self.assertEqual(P('c:/a/b.tar.gz').suffix, '.gz')
self.assertEqual(P('c:a/Some name. Ending with a dot.').suffix, '')
self.assertEqual(P('c:/a/Some name. Ending with a dot.').suffix, '')
self.assertEqual(P('//My.py/Share.php').suffix, '')
self.assertEqual(P('//My.py/Share.php/a/b').suffix, '')
def test_suffixes(self):
P = self.cls
self.assertEqual(P('c:').suffixes, [])
self.assertEqual(P('c:/').suffixes, [])
self.assertEqual(P('c:a/b').suffixes, [])
self.assertEqual(P('c:/a/b').suffixes, [])
self.assertEqual(P('c:a/b.py').suffixes, ['.py'])
self.assertEqual(P('c:/a/b.py').suffixes, ['.py'])
self.assertEqual(P('c:a/.hgrc').suffixes, [])
self.assertEqual(P('c:/a/.hgrc').suffixes, [])
self.assertEqual(P('c:a/.hg.rc').suffixes, ['.rc'])
self.assertEqual(P('c:/a/.hg.rc').suffixes, ['.rc'])
self.assertEqual(P('c:a/b.tar.gz').suffixes, ['.tar', '.gz'])
self.assertEqual(P('c:/a/b.tar.gz').suffixes, ['.tar', '.gz'])
self.assertEqual(P('//My.py/Share.php').suffixes, [])
self.assertEqual(P('//My.py/Share.php/a/b').suffixes, [])
self.assertEqual(P('c:a/Some name. Ending with a dot.').suffixes, [])
self.assertEqual(P('c:/a/Some name. Ending with a dot.').suffixes, [])
def test_stem(self):
P = self.cls
self.assertEqual(P('c:').stem, '')
self.assertEqual(P('c:.').stem, '')
self.assertEqual(P('c:..').stem, '..')
self.assertEqual(P('c:/').stem, '')
self.assertEqual(P('c:a/b').stem, 'b')
self.assertEqual(P('c:a/b.py').stem, 'b')
self.assertEqual(P('c:a/.hgrc').stem, '.hgrc')
self.assertEqual(P('c:a/.hg.rc').stem, '.hg')
self.assertEqual(P('c:a/b.tar.gz').stem, 'b.tar')
self.assertEqual(P('c:a/Some name. Ending with a dot.').stem,
'Some name. Ending with a dot.')
def test_with_name(self):
P = self.cls
self.assertEqual(P('c:a/b').with_name('d.xml'), P('c:a/d.xml'))
self.assertEqual(P('c:/a/b').with_name('d.xml'), P('c:/a/d.xml'))
self.assertEqual(P('c:a/Dot ending.').with_name('d.xml'), P('c:a/d.xml'))
self.assertEqual(P('c:/a/Dot ending.').with_name('d.xml'), P('c:/a/d.xml'))
self.assertRaises(ValueError, P('c:').with_name, 'd.xml')
self.assertRaises(ValueError, P('c:/').with_name, 'd.xml')
self.assertRaises(ValueError, P('//My/Share').with_name, 'd.xml')
self.assertRaises(ValueError, P('c:a/b').with_name, 'd:')
self.assertRaises(ValueError, P('c:a/b').with_name, 'd:e')
self.assertRaises(ValueError, P('c:a/b').with_name, 'd:/e')
self.assertRaises(ValueError, P('c:a/b').with_name, '//My/Share')
def test_with_suffix(self):
P = self.cls
self.assertEqual(P('c:a/b').with_suffix('.gz'), P('c:a/b.gz'))
self.assertEqual(P('c:/a/b').with_suffix('.gz'), P('c:/a/b.gz'))
self.assertEqual(P('c:a/b.py').with_suffix('.gz'), P('c:a/b.gz'))
self.assertEqual(P('c:/a/b.py').with_suffix('.gz'), P('c:/a/b.gz'))
# Path doesn't have a "filename" component
self.assertRaises(ValueError, P('').with_suffix, '.gz')
self.assertRaises(ValueError, P('.').with_suffix, '.gz')
self.assertRaises(ValueError, P('/').with_suffix, '.gz')
self.assertRaises(ValueError, P('//My/Share').with_suffix, '.gz')
# Invalid suffix
self.assertRaises(ValueError, P('c:a/b').with_suffix, 'gz')
self.assertRaises(ValueError, P('c:a/b').with_suffix, '/')
self.assertRaises(ValueError, P('c:a/b').with_suffix, '\\')
self.assertRaises(ValueError, P('c:a/b').with_suffix, 'c:')
self.assertRaises(ValueError, P('c:a/b').with_suffix, '/.gz')
self.assertRaises(ValueError, P('c:a/b').with_suffix, '\\.gz')
self.assertRaises(ValueError, P('c:a/b').with_suffix, 'c:.gz')
self.assertRaises(ValueError, P('c:a/b').with_suffix, 'c/d')
self.assertRaises(ValueError, P('c:a/b').with_suffix, 'c\\d')
self.assertRaises(ValueError, P('c:a/b').with_suffix, '.c/d')
self.assertRaises(ValueError, P('c:a/b').with_suffix, '.c\\d')
def test_relative_to(self):
P = self.cls
p = P('C:Foo/Bar')
self.assertEqual(p.relative_to(P('c:')), P('Foo/Bar'))
self.assertEqual(p.relative_to('c:'), P('Foo/Bar'))
self.assertEqual(p.relative_to(P('c:foO')), P('Bar'))
self.assertEqual(p.relative_to('c:foO'), P('Bar'))
self.assertEqual(p.relative_to('c:foO/'), P('Bar'))
self.assertEqual(p.relative_to(P('c:foO/baR')), P())
self.assertEqual(p.relative_to('c:foO/baR'), P())
# Unrelated paths
self.assertRaises(ValueError, p.relative_to, P())
self.assertRaises(ValueError, p.relative_to, '')
self.assertRaises(ValueError, p.relative_to, P('d:'))
self.assertRaises(ValueError, p.relative_to, P('/'))
self.assertRaises(ValueError, p.relative_to, P('Foo'))
self.assertRaises(ValueError, p.relative_to, P('/Foo'))
self.assertRaises(ValueError, p.relative_to, P('C:/Foo'))
self.assertRaises(ValueError, p.relative_to, P('C:Foo/Bar/Baz'))
self.assertRaises(ValueError, p.relative_to, P('C:Foo/Baz'))
p = P('C:/Foo/Bar')
self.assertEqual(p.relative_to(P('c:')), P('/Foo/Bar'))
self.assertEqual(p.relative_to('c:'), P('/Foo/Bar'))
self.assertEqual(str(p.relative_to(P('c:'))), '\\Foo\\Bar')
self.assertEqual(str(p.relative_to('c:')), '\\Foo\\Bar')
self.assertEqual(p.relative_to(P('c:/')), P('Foo/Bar'))
self.assertEqual(p.relative_to('c:/'), P('Foo/Bar'))
self.assertEqual(p.relative_to(P('c:/foO')), P('Bar'))
self.assertEqual(p.relative_to('c:/foO'), P('Bar'))
self.assertEqual(p.relative_to('c:/foO/'), P('Bar'))
self.assertEqual(p.relative_to(P('c:/foO/baR')), P())
self.assertEqual(p.relative_to('c:/foO/baR'), P())
# Unrelated paths
self.assertRaises(ValueError, p.relative_to, P('C:/Baz'))
self.assertRaises(ValueError, p.relative_to, P('C:/Foo/Bar/Baz'))
self.assertRaises(ValueError, p.relative_to, P('C:/Foo/Baz'))
self.assertRaises(ValueError, p.relative_to, P('C:Foo'))
self.assertRaises(ValueError, p.relative_to, P('d:'))
self.assertRaises(ValueError, p.relative_to, P('d:/'))
self.assertRaises(ValueError, p.relative_to, P('/'))
self.assertRaises(ValueError, p.relative_to, P('/Foo'))
self.assertRaises(ValueError, p.relative_to, P('//C/Foo'))
# UNC paths
p = P('//Server/Share/Foo/Bar')
self.assertEqual(p.relative_to(P('//sErver/sHare')), P('Foo/Bar'))
self.assertEqual(p.relative_to('//sErver/sHare'), P('Foo/Bar'))
self.assertEqual(p.relative_to('//sErver/sHare/'), P('Foo/Bar'))
self.assertEqual(p.relative_to(P('//sErver/sHare/Foo')), P('Bar'))
self.assertEqual(p.relative_to('//sErver/sHare/Foo'), P('Bar'))
self.assertEqual(p.relative_to('//sErver/sHare/Foo/'), P('Bar'))
self.assertEqual(p.relative_to(P('//sErver/sHare/Foo/Bar')), P())
self.assertEqual(p.relative_to('//sErver/sHare/Foo/Bar'), P())
# Unrelated paths
self.assertRaises(ValueError, p.relative_to, P('/Server/Share/Foo'))
self.assertRaises(ValueError, p.relative_to, P('c:/Server/Share/Foo'))
self.assertRaises(ValueError, p.relative_to, P('//z/Share/Foo'))
self.assertRaises(ValueError, p.relative_to, P('//Server/z/Foo'))
def test_is_absolute(self):
P = self.cls
# Under NT, only paths with both a drive and a root are absolute
self.assertFalse(P().is_absolute())
self.assertFalse(P('a').is_absolute())
self.assertFalse(P('a/b/').is_absolute())
self.assertFalse(P('/').is_absolute())
self.assertFalse(P('/a').is_absolute())
self.assertFalse(P('/a/b/').is_absolute())
self.assertFalse(P('c:').is_absolute())
self.assertFalse(P('c:a').is_absolute())
self.assertFalse(P('c:a/b/').is_absolute())
self.assertTrue(P('c:/').is_absolute())
self.assertTrue(P('c:/a').is_absolute())
self.assertTrue(P('c:/a/b/').is_absolute())
# UNC paths are absolute by definition
self.assertTrue(P('//a/b').is_absolute())
self.assertTrue(P('//a/b/').is_absolute())
self.assertTrue(P('//a/b/c').is_absolute())
self.assertTrue(P('//a/b/c/d').is_absolute())
def test_join(self):
P = self.cls
p = P('C:/a/b')
pp = p.joinpath('x/y')
self.assertEqual(pp, P('C:/a/b/x/y'))
pp = p.joinpath('/x/y')
self.assertEqual(pp, P('C:/x/y'))
# Joining with a different drive => the first path is ignored, even
# if the second path is relative.
pp = p.joinpath('D:x/y')
self.assertEqual(pp, P('D:x/y'))
pp = p.joinpath('D:/x/y')
self.assertEqual(pp, P('D:/x/y'))
pp = p.joinpath('//host/share/x/y')
self.assertEqual(pp, P('//host/share/x/y'))
# Joining with the same drive => the first path is appended to if
# the second path is relative.
pp = p.joinpath('c:x/y')
self.assertEqual(pp, P('C:/a/b/x/y'))
pp = p.joinpath('c:/x/y')
self.assertEqual(pp, P('C:/x/y'))
def test_div(self):
# Basically the same as joinpath()
P = self.cls
p = P('C:/a/b')
self.assertEqual(p / 'x/y', P('C:/a/b/x/y'))
self.assertEqual(p / 'x' / 'y', P('C:/a/b/x/y'))
self.assertEqual(p / '/x/y', P('C:/x/y'))
self.assertEqual(p / '/x' / 'y', P('C:/x/y'))
# Joining with a different drive => the first path is ignored, even
# if the second path is relative.
self.assertEqual(p / 'D:x/y', P('D:x/y'))
self.assertEqual(p / 'D:' / 'x/y', P('D:x/y'))
self.assertEqual(p / 'D:/x/y', P('D:/x/y'))
self.assertEqual(p / 'D:' / '/x/y', P('D:/x/y'))
self.assertEqual(p / '//host/share/x/y', P('//host/share/x/y'))
# Joining with the same drive => the first path is appended to if
# the second path is relative.
self.assertEqual(p / 'c:x/y', P('C:/a/b/x/y'))
self.assertEqual(p / 'c:/x/y', P('C:/x/y'))
def test_is_reserved(self):
P = self.cls
self.assertIs(False, P('').is_reserved())
self.assertIs(False, P('/').is_reserved())
self.assertIs(False, P('/foo/bar').is_reserved())
self.assertIs(True, P('con').is_reserved())
self.assertIs(True, P('NUL').is_reserved())
self.assertIs(True, P('NUL.txt').is_reserved())
self.assertIs(True, P('com1').is_reserved())
self.assertIs(True, P('com9.bar').is_reserved())
self.assertIs(False, P('bar.com9').is_reserved())
self.assertIs(True, P('lpt1').is_reserved())
self.assertIs(True, P('lpt9.bar').is_reserved())
self.assertIs(False, P('bar.lpt9').is_reserved())
# Only the last component matters
self.assertIs(False, P('c:/NUL/con/baz').is_reserved())
# UNC paths are never reserved
self.assertIs(False, P('//my/share/nul/con/aux').is_reserved())
class PurePathTest(_BasePurePathTest, unittest.TestCase):
cls = pathlib.PurePath
def test_concrete_class(self):
p = self.cls('a')
self.assertIs(type(p),
pathlib.PureWindowsPath if os.name == 'nt' else pathlib.PurePosixPath)
def test_different_flavours_unequal(self):
p = pathlib.PurePosixPath('a')
q = pathlib.PureWindowsPath('a')
self.assertNotEqual(p, q)
def test_different_flavours_unordered(self):
p = pathlib.PurePosixPath('a')
q = pathlib.PureWindowsPath('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
#
# Tests for the concrete classes
#
# Make sure any symbolic links in the base test path are resolved
BASE = os.path.realpath(TESTFN)
join = lambda *x: os.path.join(BASE, *x)
rel_join = lambda *x: os.path.join(TESTFN, *x)
only_nt = unittest.skipIf(os.name != 'nt',
'test requires a Windows-compatible system')
only_posix = unittest.skipIf(os.name == 'nt',
'test requires a POSIX-compatible system')
@only_posix
class PosixPathAsPureTest(PurePosixPathTest):
cls = pathlib.PosixPath
@only_nt
class WindowsPathAsPureTest(PureWindowsPathTest):
cls = pathlib.WindowsPath
def test_owner(self):
P = self.cls
with self.assertRaises(NotImplementedError):
P('c:/').owner()
def test_group(self):
P = self.cls
with self.assertRaises(NotImplementedError):
P('c:/').group()
class _BasePathTest(object):
"""Tests for the FS-accessing functionalities of the Path classes."""
# (BASE)
# |
# |-- brokenLink -> non-existing
# |-- dirA
# | `-- linkC -> ../dirB
# |-- dirB
# | |-- fileB
# | `-- linkD -> ../dirB
# |-- dirC
# | |-- dirD
# | | `-- fileD
# | `-- fileC
# |-- dirE # No permissions
# |-- fileA
# |-- linkA -> fileA
# `-- linkB -> dirB
#
def setUp(self):
def cleanup():
os.chmod(join('dirE'), 0o777)
support.rmtree(BASE)
self.addCleanup(cleanup)
os.mkdir(BASE)
os.mkdir(join('dirA'))
os.mkdir(join('dirB'))
os.mkdir(join('dirC'))
os.mkdir(join('dirC', 'dirD'))
os.mkdir(join('dirE'))
with open(join('fileA'), 'wb') as f:
f.write(b"this is file A\n")
with open(join('dirB', 'fileB'), 'wb') as f:
f.write(b"this is file B\n")
with open(join('dirC', 'fileC'), 'wb') as f:
f.write(b"this is file C\n")
with open(join('dirC', 'dirD', 'fileD'), 'wb') as f:
f.write(b"this is file D\n")
os.chmod(join('dirE'), 0)
if support.can_symlink():
# Relative symlinks
os.symlink('fileA', join('linkA'))
os.symlink('non-existing', join('brokenLink'))
self.dirlink('dirB', join('linkB'))
self.dirlink(os.path.join('..', 'dirB'), join('dirA', 'linkC'))
# This one goes upwards, creating a loop
self.dirlink(os.path.join('..', 'dirB'), join('dirB', 'linkD'))
if os.name == 'nt':
# Workaround for http://bugs.python.org/issue13772
def dirlink(self, src, dest):
os.symlink(src, dest, target_is_directory=True)
else:
def dirlink(self, src, dest):
os.symlink(src, dest)
def assertSame(self, path_a, path_b):
self.assertTrue(os.path.samefile(str(path_a), str(path_b)),
"%r and %r don't point to the same file" %
(path_a, path_b))
def assertFileNotFound(self, func, *args, **kwargs):
with self.assertRaises(FileNotFoundError) as cm:
func(*args, **kwargs)
self.assertEqual(cm.exception.errno, errno.ENOENT)
def _test_cwd(self, p):
q = self.cls(os.getcwd())
self.assertEqual(p, q)
self.assertEqual(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_home(self, p):
q = self.cls(os.path.expanduser('~'))
self.assertEqual(p, q)
self.assertEqual(str(p), str(q))
self.assertIs(type(p), type(q))
self.assertTrue(p.is_absolute())
def test_home(self):
p = self.cls.home()
self._test_home(p)
def test_samefile(self):
fileA_path = os.path.join(BASE, 'fileA')
fileB_path = os.path.join(BASE, 'dirB', 'fileB')
p = self.cls(fileA_path)
pp = self.cls(fileA_path)
q = self.cls(fileB_path)
self.assertTrue(p.samefile(fileA_path))
self.assertTrue(p.samefile(pp))
self.assertFalse(p.samefile(fileB_path))
self.assertFalse(p.samefile(q))
# Test the non-existent file case
non_existent = os.path.join(BASE, 'foo')
r = self.cls(non_existent)
self.assertRaises(FileNotFoundError, p.samefile, r)
self.assertRaises(FileNotFoundError, p.samefile, non_existent)
self.assertRaises(FileNotFoundError, r.samefile, p)
self.assertRaises(FileNotFoundError, r.samefile, non_existent)
self.assertRaises(FileNotFoundError, r.samefile, r)
self.assertRaises(FileNotFoundError, r.samefile, non_existent)
def test_empty_path(self):
# The empty path points to '.'
p = self.cls('')
self.assertEqual(p.stat(), os.stat('.'))
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)
def test_exists(self):
P = self.cls
p = P(BASE)
self.assertIs(True, p.exists())
self.assertIs(True, (p / 'dirA').exists())
self.assertIs(True, (p / 'fileA').exists())
self.assertIs(False, (p / 'fileA' / 'bah').exists())
if support.can_symlink():
self.assertIs(True, (p / 'linkA').exists())
self.assertIs(True, (p / 'linkB').exists())
self.assertIs(True, (p / 'linkB' / 'fileB').exists())
self.assertIs(False, (p / 'linkA' / 'bah').exists())
self.assertIs(False, (p / 'foo').exists())
self.assertIs(False, P('/xyzzy').exists())
def test_open_common(self):
p = self.cls(BASE)
with (p / 'fileA').open('r') as f:
self.assertIsInstance(f, io.TextIOBase)
self.assertEqual(f.read(), "this is file A\n")
with (p / 'fileA').open('rb') as f:
self.assertIsInstance(f, io.BufferedIOBase)
self.assertEqual(f.read().strip(), b"this is file A")
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_read_write_bytes(self):
p = self.cls(BASE)
(p / 'fileA').write_bytes(b'abcdefg')
self.assertEqual((p / 'fileA').read_bytes(), b'abcdefg')
# check that trying to write str does not truncate the file
self.assertRaises(TypeError, (p / 'fileA').write_bytes, 'somestr')
self.assertEqual((p / 'fileA').read_bytes(), b'abcdefg')
def test_read_write_text(self):
p = self.cls(BASE)
(p / 'fileA').write_text('äbcdefg', encoding='latin-1')
self.assertEqual((p / 'fileA').read_text(
encoding='utf-8', errors='ignore'), 'bcdefg')
# check that trying to write bytes does not truncate the file
self.assertRaises(TypeError, (p / 'fileA').write_text, b'somebytes')
self.assertEqual((p / 'fileA').read_text(encoding='latin-1'), 'äbcdefg')
def test_iterdir(self):
P = self.cls
p = P(BASE)
it = p.iterdir()
paths = set(it)
expected = ['dirA', 'dirB', 'dirC', 'dirE', 'fileA']
if support.can_symlink():
expected += ['linkA', 'linkB', 'brokenLink']
self.assertEqual(paths, { P(BASE, q) for q in expected })
@support.skip_unless_symlink
def test_iterdir_symlink(self):
# __iter__ on a symlink to a directory
P = self.cls
p = P(BASE, 'linkB')
paths = set(p.iterdir())
expected = { P(BASE, 'linkB', q) for q in ['fileB', 'linkD'] }
self.assertEqual(paths, expected)
def test_iterdir_nodir(self):
# __iter__ on something that is not a directory
p = self.cls(BASE, 'fileA')
with self.assertRaises(OSError) as cm:
next(p.iterdir())
# ENOENT or EINVAL under Windows, ENOTDIR otherwise
# (see issue #12802)
self.assertIn(cm.exception.errno, (errno.ENOTDIR,
errno.ENOENT, errno.EINVAL))
def test_glob_common(self):
def _check(glob, expected):
self.assertEqual(set(glob), { P(BASE, q) for q in expected })
P = self.cls
p = P(BASE)
it = p.glob("fileA")
self.assertIsInstance(it, collections.abc.Iterator)
_check(it, ["fileA"])
_check(p.glob("fileB"), [])
_check(p.glob("dir*/file*"), ["dirB/fileB", "dirC/fileC"])
if not support.can_symlink():
_check(p.glob("*A"), ['dirA', 'fileA'])
else:
_check(p.glob("*A"), ['dirA', 'fileA', 'linkA'])
if not support.can_symlink():
_check(p.glob("*B/*"), ['dirB/fileB'])
else:
_check(p.glob("*B/*"), ['dirB/fileB', 'dirB/linkD',
'linkB/fileB', 'linkB/linkD'])
if not support.can_symlink():
_check(p.glob("*/fileB"), ['dirB/fileB'])
else:
_check(p.glob("*/fileB"), ['dirB/fileB', 'linkB/fileB'])
def test_rglob_common(self):
def _check(glob, expected):
self.assertEqual(set(glob), { P(BASE, q) for q in expected })
P = self.cls
p = P(BASE)
it = p.rglob("fileA")
self.assertIsInstance(it, collections.abc.Iterator)
_check(it, ["fileA"])
_check(p.rglob("fileB"), ["dirB/fileB"])
_check(p.rglob("*/fileA"), [])
if not support.can_symlink():
_check(p.rglob("*/fileB"), ["dirB/fileB"])
else:
_check(p.rglob("*/fileB"), ["dirB/fileB", "dirB/linkD/fileB",
"linkB/fileB", "dirA/linkC/fileB"])
_check(p.rglob("file*"), ["fileA", "dirB/fileB",
"dirC/fileC", "dirC/dirD/fileD"])
p = P(BASE, "dirC")
_check(p.rglob("file*"), ["dirC/fileC", "dirC/dirD/fileD"])
_check(p.rglob("*/*"), ["dirC/dirD/fileD"])
@support.skip_unless_symlink
def test_rglob_symlink_loop(self):
# Don't get fooled by symlink loops (Issue #26012)
P = self.cls
p = P(BASE)
given = set(p.rglob('*'))
expect = {'brokenLink',
'dirA', 'dirA/linkC',
'dirB', 'dirB/fileB', 'dirB/linkD',
'dirC', 'dirC/dirD', 'dirC/dirD/fileD', 'dirC/fileC',
'dirE',
'fileA',
'linkA',
'linkB',
}
self.assertEqual(given, {p / x for x in expect})
def test_glob_dotdot(self):
# ".." is not special in globs
P = self.cls
p = P(BASE)
self.assertEqual(set(p.glob("..")), { P(BASE, "..") })
self.assertEqual(set(p.glob("dirA/../file*")), { P(BASE, "dirA/../fileA") })
self.assertEqual(set(p.glob("../xyzzy")), set())
def _check_resolve(self, p, expected, strict=True):
q = p.resolve(strict)
self.assertEqual(q, expected)
# this can be used to check both relative and absolute resolutions
_check_resolve_relative = _check_resolve_absolute = _check_resolve
@support.skip_unless_symlink
def test_resolve_common(self):
P = self.cls
p = P(BASE, 'foo')
with self.assertRaises(OSError) as cm:
p.resolve(strict=True)
self.assertEqual(cm.exception.errno, errno.ENOENT)
# Non-strict
self.assertEqual(str(p.resolve(strict=False)),
os.path.join(BASE, 'foo'))
p = P(BASE, 'foo', 'in', 'spam')
self.assertEqual(str(p.resolve(strict=False)),
os.path.join(BASE, 'foo', 'in', 'spam'))
p = P(BASE, '..', 'foo', 'in', 'spam')
self.assertEqual(str(p.resolve(strict=False)),
os.path.abspath(os.path.join('foo', 'in', 'spam')))
# These are all relative symlinks
p = P(BASE, 'dirB', 'fileB')
self._check_resolve_relative(p, p)
p = P(BASE, 'linkA')
self._check_resolve_relative(p, P(BASE, 'fileA'))
p = P(BASE, 'dirA', 'linkC', 'fileB')
self._check_resolve_relative(p, P(BASE, 'dirB', 'fileB'))
p = P(BASE, 'dirB', 'linkD', 'fileB')
self._check_resolve_relative(p, P(BASE, 'dirB', 'fileB'))
# Non-strict
p = P(BASE, 'dirA', 'linkC', 'fileB', 'foo', 'in', 'spam')
self._check_resolve_relative(p, P(BASE, 'dirB', 'fileB', 'foo', 'in',
'spam'), False)
p = P(BASE, 'dirA', 'linkC', '..', 'foo', 'in', 'spam')
if os.name == 'nt':
# In Windows, if linkY points to dirB, 'dirA\linkY\..'
# resolves to 'dirA' without resolving linkY first.
self._check_resolve_relative(p, P(BASE, 'dirA', 'foo', 'in',
'spam'), False)
else:
# In Posix, if linkY points to dirB, 'dirA/linkY/..'
# resolves to 'dirB/..' first before resolving to parent of dirB.
self._check_resolve_relative(p, P(BASE, 'foo', 'in', 'spam'), False)
# Now create absolute symlinks
d = tempfile.mkdtemp(suffix='-dirD')
self.addCleanup(support.rmtree, d)
os.symlink(os.path.join(d), join('dirA', 'linkX'))
os.symlink(join('dirB'), os.path.join(d, 'linkY'))
p = P(BASE, 'dirA', 'linkX', 'linkY', 'fileB')
self._check_resolve_absolute(p, P(BASE, 'dirB', 'fileB'))
# Non-strict
p = P(BASE, 'dirA', 'linkX', 'linkY', 'foo', 'in', 'spam')
self._check_resolve_relative(p, P(BASE, 'dirB', 'foo', 'in', 'spam'),
False)
p = P(BASE, 'dirA', 'linkX', 'linkY', '..', 'foo', 'in', 'spam')
if os.name == 'nt':
# In Windows, if linkY points to dirB, 'dirA\linkY\..'
# resolves to 'dirA' without resolving linkY first.
self._check_resolve_relative(p, P(d, 'foo', 'in', 'spam'), False)
else:
# In Posix, if linkY points to dirB, 'dirA/linkY/..'
# resolves to 'dirB/..' first before resolving to parent of dirB.
self._check_resolve_relative(p, P(BASE, 'foo', 'in', 'spam'), False)
@support.skip_unless_symlink
def test_resolve_dot(self):
# See https://bitbucket.org/pitrou/pathlib/issue/9/pathresolve-fails-on-complex-symlinks
p = self.cls(BASE)
self.dirlink('.', join('0'))
self.dirlink(os.path.join('0', '0'), join('1'))
self.dirlink(os.path.join('1', '1'), join('2'))
q = p / '2'
self.assertEqual(q.resolve(strict=True), p)
r = q / '3' / '4'
self.assertRaises(FileNotFoundError, r.resolve, strict=True)
# Non-strict
self.assertEqual(r.resolve(strict=False), p / '3' / '4')
def test_with(self):
p = self.cls(BASE)
it = p.iterdir()
it2 = p.iterdir()
next(it2)
with p:
pass
# I/O operation on closed path
self.assertRaises(ValueError, next, it)
self.assertRaises(ValueError, next, it2)
self.assertRaises(ValueError, p.open)
self.assertRaises(ValueError, p.resolve)
self.assertRaises(ValueError, p.absolute)
self.assertRaises(ValueError, p.__enter__)
def test_chmod(self):
p = self.cls(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)
# XXX also need a test for lchmod
def test_stat(self):
p = self.cls(BASE) / 'fileA'
st = p.stat()
self.assertEqual(p.stat(), st)
# Change file mode by flipping write bit
p.chmod(st.st_mode ^ 0o222)
self.addCleanup(p.chmod, st.st_mode)
self.assertNotEqual(p.stat(), st)
@support.skip_unless_symlink
def test_lstat(self):
p = self.cls(BASE)/ 'linkA'
st = p.stat()
self.assertNotEqual(st, p.lstat())
def test_lstat_nosymlink(self):
p = self.cls(BASE) / 'fileA'
st = p.stat()
self.assertEqual(st, p.lstat())
@unittest.skipUnless(pwd, "the pwd module is needed for this test")
def test_owner(self):
p = self.cls(BASE) / 'fileA'
uid = p.stat().st_uid
try:
name = pwd.getpwuid(uid).pw_name
except KeyError:
self.skipTest(
"user %d doesn't have an entry in the system database" % uid)
self.assertEqual(name, p.owner())
@unittest.skipUnless(grp, "the grp module is needed for this test")
def test_group(self):
p = self.cls(BASE) / 'fileA'
gid = p.stat().st_gid
try:
name = grp.getgrgid(gid).gr_name
except KeyError:
self.skipTest(
"group %d doesn't have an entry in the system database" % gid)
self.assertEqual(name, p.group())
def test_unlink(self):
p = self.cls(BASE) / 'fileA'
p.unlink()
self.assertFileNotFound(p.stat)
self.assertFileNotFound(p.unlink)
def test_rmdir(self):
p = self.cls(BASE) / 'dirA'
for q in p.iterdir():
q.unlink()
p.rmdir()
self.assertFileNotFound(p.stat)
self.assertFileNotFound(p.unlink)
def test_rename(self):
P = self.cls(BASE)
p = P / 'fileA'
size = p.stat().st_size
# Renaming to another path
q = P / 'dirA' / 'fileAA'
p.rename(q)
self.assertEqual(q.stat().st_size, size)
self.assertFileNotFound(p.stat)
# Renaming to a str of a relative path
r = rel_join('fileAAA')
q.rename(r)
self.assertEqual(os.stat(r).st_size, size)
self.assertFileNotFound(q.stat)
def test_replace(self):
P = self.cls(BASE)
p = P / 'fileA'
size = p.stat().st_size
# Replacing a non-existing path
q = P / 'dirA' / 'fileAA'
p.replace(q)
self.assertEqual(q.stat().st_size, size)
self.assertFileNotFound(p.stat)
# Replacing another (existing) path
r = rel_join('dirB', 'fileB')
q.replace(r)
self.assertEqual(os.stat(r).st_size, size)
self.assertFileNotFound(q.stat)
def test_touch_common(self):
P = self.cls(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(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(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(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(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(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(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)
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)
@only_nt # 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(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(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(BASE, 'dirCPC%d' % pattern_num)
self.assertFalse(p.exists())
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():
os.mkdir(path, mode) # from another process
concurrently_created.add(path)
os.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("pathlib._normal_accessor.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())
@support.skip_unless_symlink
def test_symlink_to(self):
P = self.cls(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()))
def test_is_dir(self):
P = self.cls(BASE)
self.assertTrue((P / 'dirA').is_dir())
self.assertFalse((P / 'fileA').is_dir())
self.assertFalse((P / 'non-existing').is_dir())
self.assertFalse((P / 'fileA' / 'bah').is_dir())
if support.can_symlink():
self.assertFalse((P / 'linkA').is_dir())
self.assertTrue((P / 'linkB').is_dir())
self.assertFalse((P/ 'brokenLink').is_dir())
def test_is_file(self):
P = self.cls(BASE)
self.assertTrue((P / 'fileA').is_file())
self.assertFalse((P / 'dirA').is_file())
self.assertFalse((P / 'non-existing').is_file())
self.assertFalse((P / 'fileA' / 'bah').is_file())
if support.can_symlink():
self.assertTrue((P / 'linkA').is_file())
self.assertFalse((P / 'linkB').is_file())
self.assertFalse((P/ 'brokenLink').is_file())
@only_posix
def test_is_mount(self):
P = self.cls(BASE)
R = self.cls('/') # TODO: Work out windows
self.assertFalse((P / 'fileA').is_mount())
self.assertFalse((P / 'dirA').is_mount())
self.assertFalse((P / 'non-existing').is_mount())
self.assertFalse((P / 'fileA' / 'bah').is_mount())
self.assertTrue(R.is_mount())
if support.can_symlink():
self.assertFalse((P / 'linkA').is_mount())
def test_is_symlink(self):
P = self.cls(BASE)
self.assertFalse((P / 'fileA').is_symlink())
self.assertFalse((P / 'dirA').is_symlink())
self.assertFalse((P / 'non-existing').is_symlink())
self.assertFalse((P / 'fileA' / 'bah').is_symlink())
if support.can_symlink():
self.assertTrue((P / 'linkA').is_symlink())
self.assertTrue((P / 'linkB').is_symlink())
self.assertTrue((P/ 'brokenLink').is_symlink())
def test_is_fifo_false(self):
P = self.cls(BASE)
self.assertFalse((P / 'fileA').is_fifo())
self.assertFalse((P / 'dirA').is_fifo())
self.assertFalse((P / 'non-existing').is_fifo())
self.assertFalse((P / 'fileA' / 'bah').is_fifo())
@unittest.skipUnless(hasattr(os, "mkfifo"), "os.mkfifo() required")
def test_is_fifo_true(self):
P = self.cls(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())
def test_is_socket_false(self):
P = self.cls(BASE)
self.assertFalse((P / 'fileA').is_socket())
self.assertFalse((P / 'dirA').is_socket())
self.assertFalse((P / 'non-existing').is_socket())
self.assertFalse((P / 'fileA' / 'bah').is_socket())
@unittest.skipUnless(hasattr(socket, "AF_UNIX"), "Unix sockets required")
def test_is_socket_true(self):
P = self.cls(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())
def test_is_block_device_false(self):
P = self.cls(BASE)
self.assertFalse((P / 'fileA').is_block_device())
self.assertFalse((P / 'dirA').is_block_device())
self.assertFalse((P / 'non-existing').is_block_device())
self.assertFalse((P / 'fileA' / 'bah').is_block_device())
def test_is_char_device_false(self):
P = self.cls(BASE)
self.assertFalse((P / 'fileA').is_char_device())
self.assertFalse((P / 'dirA').is_char_device())
self.assertFalse((P / 'non-existing').is_char_device())
self.assertFalse((P / 'fileA' / 'bah').is_char_device())
def test_is_char_device_true(self):
# Under Unix, /dev/null should generally be a char device
P = self.cls('/dev/null')
if not P.exists():
self.skipTest("/dev/null required")
self.assertTrue(P.is_char_device())
self.assertFalse(P.is_block_device())
self.assertFalse(P.is_file())
def test_pickling_common(self):
p = self.cls(BASE, 'fileA')
for proto in range(0, pickle.HIGHEST_PROTOCOL + 1):
dumped = pickle.dumps(p, proto)
pp = pickle.loads(dumped)
self.assertEqual(pp.stat(), p.stat())
def test_parts_interning(self):
P = self.cls
p = P('/usr/bin/foo')
q = P('/usr/local/bin')
# 'usr'
self.assertIs(p.parts[1], q.parts[1])
# 'bin'
self.assertIs(p.parts[2], q.parts[3])
def _check_complex_symlinks(self, link0_target):
# Test solving a non-looping chain of symlinks (issue #19887)
P = self.cls(BASE)
self.dirlink(os.path.join('link0', 'link0'), join('link1'))
self.dirlink(os.path.join('link1', 'link1'), join('link2'))
self.dirlink(os.path.join('link2', 'link2'), join('link3'))
self.dirlink(link0_target, join('link0'))
# Resolve absolute paths
p = (P / 'link0').resolve()
self.assertEqual(p, P)
self.assertEqual(str(p), BASE)
p = (P / 'link1').resolve()
self.assertEqual(p, P)
self.assertEqual(str(p), BASE)
p = (P / 'link2').resolve()
self.assertEqual(p, P)
self.assertEqual(str(p), BASE)
p = (P / 'link3').resolve()
self.assertEqual(p, P)
self.assertEqual(str(p), BASE)
# Resolve relative paths
old_path = os.getcwd()
os.chdir(BASE)
try:
p = self.cls('link0').resolve()
self.assertEqual(p, P)
self.assertEqual(str(p), BASE)
p = self.cls('link1').resolve()
self.assertEqual(p, P)
self.assertEqual(str(p), BASE)
p = self.cls('link2').resolve()
self.assertEqual(p, P)
self.assertEqual(str(p), BASE)
p = self.cls('link3').resolve()
self.assertEqual(p, P)
self.assertEqual(str(p), BASE)
finally:
os.chdir(old_path)
@support.skip_unless_symlink
def test_complex_symlinks_absolute(self):
self._check_complex_symlinks(BASE)
@support.skip_unless_symlink
def test_complex_symlinks_relative(self):
self._check_complex_symlinks('.')
@support.skip_unless_symlink
def test_complex_symlinks_relative_dot_dot(self):
self._check_complex_symlinks(os.path.join('dirA', '..'))
class PathTest(_BasePathTest, unittest.TestCase):
cls = pathlib.Path
def test_concrete_class(self):
p = self.cls('a')
self.assertIs(type(p),
pathlib.WindowsPath if os.name == 'nt' else pathlib.PosixPath)
def test_unsupported_flavour(self):
if os.name == 'nt':
self.assertRaises(NotImplementedError, pathlib.PosixPath)
else:
self.assertRaises(NotImplementedError, pathlib.WindowsPath)
def test_glob_empty_pattern(self):
p = self.cls()
with self.assertRaisesRegex(ValueError, 'Unacceptable pattern'):
list(p.glob(''))
@only_posix
class PosixPathTest(_BasePathTest, unittest.TestCase):
cls = pathlib.PosixPath
def _check_symlink_loop(self, *args, strict=True):
path = self.cls(*args)
with self.assertRaises(RuntimeError):
print(path.resolve(strict))
def test_open_mode(self):
old_mask = os.umask(0)
self.addCleanup(os.umask, old_mask)
p = self.cls(BASE)
with (p / 'new_file').open('wb'):
pass
st = os.stat(join('new_file'))
self.assertEqual(stat.S_IMODE(st.st_mode), 0o666)
os.umask(0o022)
with (p / 'other_new_file').open('wb'):
pass
st = os.stat(join('other_new_file'))
self.assertEqual(stat.S_IMODE(st.st_mode), 0o644)
def test_touch_mode(self):
old_mask = os.umask(0)
self.addCleanup(os.umask, old_mask)
p = self.cls(BASE)
(p / 'new_file').touch()
st = os.stat(join('new_file'))
self.assertEqual(stat.S_IMODE(st.st_mode), 0o666)
os.umask(0o022)
(p / 'other_new_file').touch()
st = os.stat(join('other_new_file'))
self.assertEqual(stat.S_IMODE(st.st_mode), 0o644)
(p / 'masked_new_file').touch(mode=0o750)
st = os.stat(join('masked_new_file'))
self.assertEqual(stat.S_IMODE(st.st_mode), 0o750)
@support.skip_unless_symlink
def test_resolve_loop(self):
# Loops with relative symlinks
os.symlink('linkX/inside', join('linkX'))
self._check_symlink_loop(BASE, 'linkX')
os.symlink('linkY', join('linkY'))
self._check_symlink_loop(BASE, 'linkY')
os.symlink('linkZ/../linkZ', join('linkZ'))
self._check_symlink_loop(BASE, 'linkZ')
# Non-strict
self._check_symlink_loop(BASE, 'linkZ', 'foo', strict=False)
# Loops with absolute symlinks
os.symlink(join('linkU/inside'), join('linkU'))
self._check_symlink_loop(BASE, 'linkU')
os.symlink(join('linkV'), join('linkV'))
self._check_symlink_loop(BASE, 'linkV')
os.symlink(join('linkW/../linkW'), join('linkW'))
self._check_symlink_loop(BASE, 'linkW')
# Non-strict
self._check_symlink_loop(BASE, 'linkW', 'foo', strict=False)
def test_glob(self):
P = self.cls
p = P(BASE)
given = set(p.glob("FILEa"))
expect = set() if not support.fs_is_case_insensitive(BASE) else given
self.assertEqual(given, expect)
self.assertEqual(set(p.glob("FILEa*")), set())
def test_rglob(self):
P = self.cls
p = P(BASE, "dirC")
given = set(p.rglob("FILEd"))
expect = set() if not support.fs_is_case_insensitive(BASE) else given
self.assertEqual(given, expect)
self.assertEqual(set(p.rglob("FILEd*")), set())
@unittest.skipUnless(hasattr(pwd, 'getpwall'),
'pwd module does not expose getpwall()')
def test_expanduser(self):
P = self.cls
support.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
p1 = P('~/Documents')
p2 = P('~' + username + '/Documents')
p3 = P('~' + othername + '/Documents')
p4 = P('../~' + username + '/Documents')
p5 = P('/~' + username + '/Documents')
p6 = P('')
p7 = P('~fakeuser/Documents')
with support.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)
@only_nt
class WindowsPathTest(_BasePathTest, unittest.TestCase):
cls = pathlib.WindowsPath
def test_glob(self):
P = self.cls
p = P(BASE)
self.assertEqual(set(p.glob("FILEa")), { P(BASE, "fileA") })
def test_rglob(self):
P = self.cls
p = P(BASE, "dirC")
self.assertEqual(set(p.rglob("FILEd")), { P(BASE, "dirC/dirD/fileD") })
def test_expanduser(self):
P = self.cls
with support.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(KeyError, 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)
# test the first lookup key in the env vars
env['HOME'] = 'C:\\Users\\alice'
check()
# test that HOMEPATH is available instead
env.pop('HOME', None)
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()
if __name__ == "__main__":
unittest.main()