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cpython/Lib/test/test_pathlib/test_pathlib_abc.py

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import collections
import io
import os
import errno
import stat
import unittest
from pathlib._abc import UnsupportedOperation, ParserBase, PurePathBase, PathBase
import posixpath
from test.support import is_wasi
from test.support.os_helper import TESTFN
_tests_needing_posix = set()
_tests_needing_windows = set()
_tests_needing_symlinks = set()
def needs_posix(fn):
"""Decorator that marks a test as requiring a POSIX-flavoured path class."""
_tests_needing_posix.add(fn.__name__)
return fn
def needs_windows(fn):
"""Decorator that marks a test as requiring a Windows-flavoured path class."""
_tests_needing_windows.add(fn.__name__)
return fn
def needs_symlinks(fn):
"""Decorator that marks a test as requiring a path class that supports symlinks."""
_tests_needing_symlinks.add(fn.__name__)
return fn
class UnsupportedOperationTest(unittest.TestCase):
def test_is_notimplemented(self):
self.assertTrue(issubclass(UnsupportedOperation, NotImplementedError))
self.assertTrue(isinstance(UnsupportedOperation(), NotImplementedError))
class ParserBaseTest(unittest.TestCase):
cls = ParserBase
def test_unsupported_operation(self):
m = self.cls()
e = UnsupportedOperation
with self.assertRaises(e):
m.sep
self.assertRaises(e, m.join, 'foo')
self.assertRaises(e, m.split, 'foo')
self.assertRaises(e, m.splitdrive, 'foo')
self.assertRaises(e, m.splitext, 'foo')
self.assertRaises(e, m.normcase, 'foo')
self.assertRaises(e, m.isabs, 'foo')
#
# Tests for the pure classes.
#
class PurePathBaseTest(unittest.TestCase):
cls = PurePathBase
def test_unsupported_operation_pure(self):
p = self.cls('foo')
e = UnsupportedOperation
with self.assertRaises(e):
p.drive
with self.assertRaises(e):
p.root
with self.assertRaises(e):
p.anchor
with self.assertRaises(e):
p.parts
with self.assertRaises(e):
p.parent
with self.assertRaises(e):
p.parents
with self.assertRaises(e):
p.name
with self.assertRaises(e):
p.stem
with self.assertRaises(e):
p.suffix
with self.assertRaises(e):
p.suffixes
with self.assertRaises(e):
p / 'bar'
with self.assertRaises(e):
'bar' / p
self.assertRaises(e, p.joinpath, 'bar')
self.assertRaises(e, p.with_name, 'bar')
self.assertRaises(e, p.with_stem, 'bar')
self.assertRaises(e, p.with_suffix, '.txt')
self.assertRaises(e, p.relative_to, '')
self.assertRaises(e, p.is_relative_to, '')
self.assertRaises(e, p.is_absolute)
self.assertRaises(e, p.match, '*')
def test_magic_methods(self):
P = self.cls
self.assertFalse(hasattr(P, '__fspath__'))
self.assertFalse(hasattr(P, '__bytes__'))
self.assertIs(P.__reduce__, object.__reduce__)
self.assertIs(P.__repr__, object.__repr__)
self.assertIs(P.__hash__, object.__hash__)
self.assertIs(P.__eq__, object.__eq__)
self.assertIs(P.__lt__, object.__lt__)
self.assertIs(P.__le__, object.__le__)
self.assertIs(P.__gt__, object.__gt__)
self.assertIs(P.__ge__, object.__ge__)
def test_parser(self):
self.assertIsInstance(self.cls.parser, ParserBase)
class DummyPurePath(PurePathBase):
__slots__ = ()
parser = posixpath
def __eq__(self, other):
if not isinstance(other, DummyPurePath):
return NotImplemented
return str(self) == str(other)
def __hash__(self):
return hash(str(self))
def __repr__(self):
return "{}({!r})".format(self.__class__.__name__, self.as_posix())
class DummyPurePathTest(unittest.TestCase):
cls = DummyPurePath
# Use a base path that's unrelated to any real filesystem path.
base = f'/this/path/kills/fascists/{TESTFN}'
def setUp(self):
name = self.id().split('.')[-1]
if name in _tests_needing_posix and self.cls.parser is not posixpath:
self.skipTest('requires POSIX-flavoured path class')
if name in _tests_needing_windows and self.cls.parser is posixpath:
self.skipTest('requires Windows-flavoured path class')
p = self.cls('a')
self.parser = p.parser
self.sep = self.parser.sep
self.altsep = self.parser.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')
def test_bytes(self):
P = self.cls
with self.assertRaises(TypeError):
P(b'a')
with self.assertRaises(TypeError):
P(b'a', 'b')
with self.assertRaises(TypeError):
P('a', b'b')
with self.assertRaises(TypeError):
P('a').joinpath(b'b')
with self.assertRaises(TypeError):
P('a') / b'b'
with self.assertRaises(TypeError):
b'a' / P('b')
with self.assertRaises(TypeError):
P('a').match(b'b')
with self.assertRaises(TypeError):
P('a').relative_to(b'b')
with self.assertRaises(TypeError):
P('a').with_name(b'b')
with self.assertRaises(TypeError):
P('a').with_stem(b'b')
with self.assertRaises(TypeError):
P('a').with_suffix(b'b')
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')
@needs_windows
def test_str_subclass_windows(self):
self._check_str_subclass('.\\a:b')
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_with_segments_common(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('foo', 'bar', session_id=42)
self.assertEqual(42, (p / 'foo').session_id)
self.assertEqual(42, ('foo' / p).session_id)
self.assertEqual(42, p.joinpath('foo').session_id)
self.assertEqual(42, p.with_name('foo').session_id)
self.assertEqual(42, p.with_stem('foo').session_id)
self.assertEqual(42, p.with_suffix('.foo').session_id)
self.assertEqual(42, p.with_segments('foo').session_id)
self.assertEqual(42, p.relative_to('foo').session_id)
self.assertEqual(42, p.parent.session_id)
for parent in p.parents:
self.assertEqual(42, parent.session_id)
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('/c')
self.assertEqual(pp, P('/c'))
@needs_posix
def test_join_posix(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'))
@needs_windows
def test_join_windows(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'))
# Joining with files with NTFS data streams => the filename should
# not be parsed as a drive letter
pp = p.joinpath(P('./d:s'))
self.assertEqual(pp, P('C:/a/b/d:s'))
pp = p.joinpath(P('./dd:s'))
self.assertEqual(pp, P('C:/a/b/dd:s'))
pp = p.joinpath(P('E:d:s'))
self.assertEqual(pp, P('E:d:s'))
# Joining onto a UNC path with no root
pp = P('//').joinpath('server')
self.assertEqual(pp, P('//server'))
pp = P('//server').joinpath('share')
self.assertEqual(pp, P('//server/share'))
pp = P('//./BootPartition').joinpath('Windows')
self.assertEqual(pp, P('//./BootPartition/Windows'))
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/ '/c'
self.assertEqual(pp, P('/c'))
@needs_posix
def test_div_posix(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'))
@needs_windows
def test_div_windows(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'))
# Joining with files with NTFS data streams => the filename should
# not be parsed as a drive letter
self.assertEqual(p / P('./d:s'), P('C:/a/b/d:s'))
self.assertEqual(p / P('./dd:s'), P('C:/a/b/dd:s'))
self.assertEqual(p / P('E:d:s'), P('E:d:s'))
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,))
# Other tests for str() are in test_equivalences().
@needs_windows
def test_str_windows(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_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_match_empty(self):
P = self.cls
self.assertRaises(ValueError, P('a').match, '')
def test_match_common(self):
P = self.cls
# 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'))
# Wildcard 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'))
# Multi-part glob-style pattern.
self.assertFalse(P('/a/b/c.py').match('/**/*.py'))
self.assertTrue(P('/a/b/c.py').match('/a/**/*.py'))
# Case-sensitive flag
self.assertFalse(P('A.py').match('a.PY', case_sensitive=True))
self.assertTrue(P('A.py').match('a.PY', case_sensitive=False))
self.assertFalse(P('c:/a/B.Py').match('C:/A/*.pY', case_sensitive=True))
self.assertTrue(P('/a/b/c.py').match('/A/*/*.Py', case_sensitive=False))
# Matching against empty path
self.assertFalse(P('').match('*'))
self.assertFalse(P('').match('**'))
self.assertFalse(P('').match('**/*'))
@needs_posix
def test_match_posix(self):
P = self.cls
self.assertFalse(P('A.py').match('a.PY'))
@needs_windows
def test_match_windows(self):
P = self.cls
# Absolute patterns.
self.assertTrue(P('c:/b.py').match('*:/*.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'))
# Path anchor doesn't match pattern anchor
self.assertFalse(P('c:/b.py').match('/*.py')) # 'c:/' vs '/'
self.assertFalse(P('c:/b.py').match('c:*.py')) # 'c:/' vs 'c:'
self.assertFalse(P('//some/share/a.py').match('/*.py')) # '//some/share/' vs '/'
def test_full_match_common(self):
P = self.cls
# Simple relative pattern.
self.assertTrue(P('b.py').full_match('b.py'))
self.assertFalse(P('a/b.py').full_match('b.py'))
self.assertFalse(P('/a/b.py').full_match('b.py'))
self.assertFalse(P('a.py').full_match('b.py'))
self.assertFalse(P('b/py').full_match('b.py'))
self.assertFalse(P('/a.py').full_match('b.py'))
self.assertFalse(P('b.py/c').full_match('b.py'))
# Wildcard relative pattern.
self.assertTrue(P('b.py').full_match('*.py'))
self.assertFalse(P('a/b.py').full_match('*.py'))
self.assertFalse(P('/a/b.py').full_match('*.py'))
self.assertFalse(P('b.pyc').full_match('*.py'))
self.assertFalse(P('b./py').full_match('*.py'))
self.assertFalse(P('b.py/c').full_match('*.py'))
# Multi-part relative pattern.
self.assertTrue(P('ab/c.py').full_match('a*/*.py'))
self.assertFalse(P('/d/ab/c.py').full_match('a*/*.py'))
self.assertFalse(P('a.py').full_match('a*/*.py'))
self.assertFalse(P('/dab/c.py').full_match('a*/*.py'))
self.assertFalse(P('ab/c.py/d').full_match('a*/*.py'))
# Absolute pattern.
self.assertTrue(P('/b.py').full_match('/*.py'))
self.assertFalse(P('b.py').full_match('/*.py'))
self.assertFalse(P('a/b.py').full_match('/*.py'))
self.assertFalse(P('/a/b.py').full_match('/*.py'))
# Multi-part absolute pattern.
self.assertTrue(P('/a/b.py').full_match('/a/*.py'))
self.assertFalse(P('/ab.py').full_match('/a/*.py'))
self.assertFalse(P('/a/b/c.py').full_match('/a/*.py'))
# Multi-part glob-style pattern.
self.assertTrue(P('a').full_match('**'))
self.assertTrue(P('c.py').full_match('**'))
self.assertTrue(P('a/b/c.py').full_match('**'))
self.assertTrue(P('/a/b/c.py').full_match('**'))
self.assertTrue(P('/a/b/c.py').full_match('/**'))
self.assertTrue(P('/a/b/c.py').full_match('/a/**'))
self.assertTrue(P('/a/b/c.py').full_match('**/*.py'))
self.assertTrue(P('/a/b/c.py').full_match('/**/*.py'))
self.assertTrue(P('/a/b/c.py').full_match('/a/**/*.py'))
self.assertTrue(P('/a/b/c.py').full_match('/a/b/**/*.py'))
self.assertTrue(P('/a/b/c.py').full_match('/**/**/**/**/*.py'))
self.assertFalse(P('c.py').full_match('**/a.py'))
self.assertFalse(P('c.py').full_match('c/**'))
self.assertFalse(P('a/b/c.py').full_match('**/a'))
self.assertFalse(P('a/b/c.py').full_match('**/a/b'))
self.assertFalse(P('a/b/c.py').full_match('**/a/b/c'))
self.assertFalse(P('a/b/c.py').full_match('**/a/b/c.'))
self.assertFalse(P('a/b/c.py').full_match('**/a/b/c./**'))
self.assertFalse(P('a/b/c.py').full_match('**/a/b/c./**'))
self.assertFalse(P('a/b/c.py').full_match('/a/b/c.py/**'))
self.assertFalse(P('a/b/c.py').full_match('/**/a/b/c.py'))
# Case-sensitive flag
self.assertFalse(P('A.py').full_match('a.PY', case_sensitive=True))
self.assertTrue(P('A.py').full_match('a.PY', case_sensitive=False))
self.assertFalse(P('c:/a/B.Py').full_match('C:/A/*.pY', case_sensitive=True))
self.assertTrue(P('/a/b/c.py').full_match('/A/*/*.Py', case_sensitive=False))
# Matching against empty path
self.assertFalse(P('').full_match('*'))
self.assertTrue(P('').full_match('**'))
self.assertFalse(P('').full_match('**/*'))
# Matching with empty pattern
self.assertTrue(P('').full_match(''))
self.assertTrue(P('.').full_match('.'))
self.assertFalse(P('/').full_match(''))
self.assertFalse(P('/').full_match('.'))
self.assertFalse(P('foo').full_match(''))
self.assertFalse(P('foo').full_match('.'))
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'))
# When the path is absolute, the anchor is a separate part.
p = P('/a/b')
parts = p.parts
self.assertEqual(parts, (sep, 'a', 'b'))
@needs_windows
def test_parts_windows(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_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('/'))
@needs_windows
def test_parent_windows(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_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(par[-1], P(''))
self.assertEqual(par[-2], P('a'))
self.assertEqual(par[-3], P('a/b'))
self.assertEqual(par[0:1], (P('a/b'),))
self.assertEqual(par[:2], (P('a/b'), P('a')))
self.assertEqual(par[:-1], (P('a/b'), P('a')))
self.assertEqual(par[1:], (P('a'), P('')))
self.assertEqual(par[::2], (P('a/b'), P('')))
self.assertEqual(par[::-1], (P(''), P('a'), P('a/b')))
self.assertEqual(list(par), [P('a/b'), P('a'), P('')])
with self.assertRaises(IndexError):
par[-4]
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(par[-1], P('/'))
self.assertEqual(par[-2], P('/a'))
self.assertEqual(par[-3], P('/a/b'))
self.assertEqual(par[0:1], (P('/a/b'),))
self.assertEqual(par[:2], (P('/a/b'), P('/a')))
self.assertEqual(par[:-1], (P('/a/b'), P('/a')))
self.assertEqual(par[1:], (P('/a'), P('/')))
self.assertEqual(par[::2], (P('/a/b'), P('/')))
self.assertEqual(par[::-1], (P('/'), P('/a'), P('/a/b')))
self.assertEqual(list(par), [P('/a/b'), P('/a'), P('/')])
with self.assertRaises(IndexError):
par[-4]
with self.assertRaises(IndexError):
par[3]
@needs_windows
def test_parents_windows(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(par[0:1], (P('z:a'),))
self.assertEqual(par[:-1], (P('z:a'),))
self.assertEqual(par[:2], (P('z:a'), P('z:')))
self.assertEqual(par[1:], (P('z:'),))
self.assertEqual(par[::2], (P('z:a'),))
self.assertEqual(par[::-1], (P('z:'), P('z:a')))
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(par[0:1], (P('z:/a'),))
self.assertEqual(par[0:-1], (P('z:/a'),))
self.assertEqual(par[:2], (P('z:/a'), P('z:/')))
self.assertEqual(par[1:], (P('z:/'),))
self.assertEqual(par[::2], (P('z:/a'),))
self.assertEqual(par[::-1], (P('z:/'), P('z:/a'),))
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(par[0:1], (P('//a/b/c'),))
self.assertEqual(par[0:-1], (P('//a/b/c'),))
self.assertEqual(par[:2], (P('//a/b/c'), P('//a/b')))
self.assertEqual(par[1:], (P('//a/b'),))
self.assertEqual(par[::2], (P('//a/b/c'),))
self.assertEqual(par[::-1], (P('//a/b'), P('//a/b/c')))
self.assertEqual(list(par), [P('//a/b/c'), P('//a/b')])
with self.assertRaises(IndexError):
par[2]
def test_drive_common(self):
P = self.cls
self.assertEqual(P('a/b').drive, '')
self.assertEqual(P('/a/b').drive, '')
self.assertEqual(P('').drive, '')
@needs_windows
def test_drive_windows(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')
self.assertEqual(P('./c:a').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)
@needs_posix
def test_root_posix(self):
P = self.cls
self.assertEqual(P('/a/b').root, '/')
# POSIX special case for two leading slashes.
self.assertEqual(P('//a/b').root, '//')
@needs_windows
def test_root_windows(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_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)
@needs_windows
def test_anchor_windows(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_empty(self):
P = self.cls
self.assertEqual(P('').name, '')
self.assertEqual(P('.').name, '.')
self.assertEqual(P('/a/b/.').name, '.')
def test_name_common(self):
P = self.cls
self.assertEqual(P('/').name, '')
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')
@needs_windows
def test_name_windows(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_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/trailing.dot.').suffix, '.')
self.assertEqual(P('/a/trailing.dot.').suffix, '.')
self.assertEqual(P('a/..d.o.t..').suffix, '.')
self.assertEqual(P('a/inn.er..dots').suffix, '.dots')
self.assertEqual(P('photo').suffix, '')
self.assertEqual(P('photo.jpg').suffix, '.jpg')
@needs_windows
def test_suffix_windows(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/trailing.dot.').suffix, '.')
self.assertEqual(P('c:/a/trailing.dot.').suffix, '.')
self.assertEqual(P('//My.py/Share.php').suffix, '')
self.assertEqual(P('//My.py/Share.php/a/b').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/trailing.dot.').suffixes, ['.dot', '.'])
self.assertEqual(P('/a/trailing.dot.').suffixes, ['.dot', '.'])
self.assertEqual(P('a/..d.o.t..').suffixes, ['.o', '.t', '.', '.'])
self.assertEqual(P('a/inn.er..dots').suffixes, ['.er', '.', '.dots'])
self.assertEqual(P('photo').suffixes, [])
self.assertEqual(P('photo.jpg').suffixes, ['.jpg'])
@needs_windows
def test_suffixes_windows(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/trailing.dot.').suffixes, ['.dot', '.'])
self.assertEqual(P('c:/a/trailing.dot.').suffixes, ['.dot', '.'])
def test_stem_empty(self):
P = self.cls
self.assertEqual(P('').stem, '')
self.assertEqual(P('.').stem, '.')
def test_stem_common(self):
P = self.cls
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/trailing.dot.').stem, 'trailing.dot')
self.assertEqual(P('a/..d.o.t..').stem, '..d.o.t.')
self.assertEqual(P('a/inn.er..dots').stem, 'inn.er.')
self.assertEqual(P('photo').stem, 'photo')
self.assertEqual(P('photo.jpg').stem, 'photo')
@needs_windows
def test_stem_windows(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/trailing.dot.').stem, 'trailing.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'))
@needs_windows
def test_with_name_windows(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.assertEqual(str(P('a').with_name('d:')), '.\\d:')
self.assertEqual(str(P('a').with_name('d:e')), '.\\d:e')
self.assertEqual(P('c:a/b').with_name('d:'), P('c:a/d:'))
self.assertEqual(P('c:a/b').with_name('d:e'), P('c:a/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_name_empty(self):
P = self.cls
self.assertEqual(P('').with_name('d.xml'), P('d.xml'))
self.assertEqual(P('.').with_name('d.xml'), P('d.xml'))
self.assertEqual(P('/').with_name('d.xml'), P('/d.xml'))
self.assertEqual(P('a/b').with_name(''), P('a/'))
self.assertEqual(P('a/b').with_name('.'), P('a/.'))
def test_with_name_seps(self):
P = self.cls
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_stem_common(self):
P = self.cls
self.assertEqual(P('a/b').with_stem('d'), P('a/d'))
self.assertEqual(P('/a/b').with_stem('d'), P('/a/d'))
self.assertEqual(P('a/b.py').with_stem('d'), P('a/d.py'))
self.assertEqual(P('/a/b.py').with_stem('d'), P('/a/d.py'))
self.assertEqual(P('/a/b.tar.gz').with_stem('d'), P('/a/d.gz'))
self.assertEqual(P('a/Dot ending.').with_stem('d'), P('a/d.'))
self.assertEqual(P('/a/Dot ending.').with_stem('d'), P('/a/d.'))
@needs_windows
def test_with_stem_windows(self):
P = self.cls
self.assertEqual(P('c:a/b').with_stem('d'), P('c:a/d'))
self.assertEqual(P('c:/a/b').with_stem('d'), P('c:/a/d'))
self.assertEqual(P('c:a/Dot ending.').with_stem('d'), P('c:a/d.'))
self.assertEqual(P('c:/a/Dot ending.').with_stem('d'), P('c:/a/d.'))
self.assertRaises(ValueError, P('c:').with_stem, 'd')
self.assertRaises(ValueError, P('c:/').with_stem, 'd')
self.assertRaises(ValueError, P('//My/Share').with_stem, 'd')
self.assertEqual(str(P('a').with_stem('d:')), '.\\d:')
self.assertEqual(str(P('a').with_stem('d:e')), '.\\d:e')
self.assertEqual(P('c:a/b').with_stem('d:'), P('c:a/d:'))
self.assertEqual(P('c:a/b').with_stem('d:e'), P('c:a/d:e'))
self.assertRaises(ValueError, P('c:a/b').with_stem, 'd:/e')
self.assertRaises(ValueError, P('c:a/b').with_stem, '//My/Share')
def test_with_stem_empty(self):
P = self.cls
self.assertEqual(P('').with_stem('d'), P('d'))
self.assertEqual(P('.').with_stem('d'), P('d'))
self.assertEqual(P('/').with_stem('d'), P('/d'))
self.assertEqual(P('a/b').with_stem(''), P('a/'))
self.assertEqual(P('a/b').with_stem('.'), P('a/.'))
self.assertRaises(ValueError, P('foo.gz').with_stem, '')
self.assertRaises(ValueError, P('/a/b/foo.gz').with_stem, '')
def test_with_stem_seps(self):
P = self.cls
self.assertRaises(ValueError, P('a/b').with_stem, '/c')
self.assertRaises(ValueError, P('a/b').with_stem, 'c/')
self.assertRaises(ValueError, P('a/b').with_stem, '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'))
# Single dot
self.assertEqual(P('a/b').with_suffix('.'), P('a/b.'))
self.assertEqual(P('/a/b').with_suffix('.'), P('/a/b.'))
self.assertEqual(P('a/b.py').with_suffix('.'), P('a/b.'))
self.assertEqual(P('/a/b.py').with_suffix('.'), P('/a/b.'))
@needs_windows
def test_with_suffix_windows(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')
self.assertRaises(TypeError, P('c:a/b').with_suffix, None)
def test_with_suffix_empty(self):
P = self.cls
# Path doesn't have a "filename" component.
self.assertRaises(ValueError, P('').with_suffix, '.gz')
self.assertRaises(ValueError, P('/').with_suffix, '.gz')
def test_with_suffix_invalid(self):
P = self.cls
# 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, '/.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/.')
self.assertRaises(TypeError, P('a/b').with_suffix, None)
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(''))
self.assertEqual(p.relative_to(P(''), walk_up=True), P('a/b'))
self.assertEqual(p.relative_to('', walk_up=True), P('a/b'))
self.assertEqual(p.relative_to(P('a'), walk_up=True), P('b'))
self.assertEqual(p.relative_to('a', walk_up=True), P('b'))
self.assertEqual(p.relative_to('a/', walk_up=True), P('b'))
self.assertEqual(p.relative_to(P('a/b'), walk_up=True), P(''))
self.assertEqual(p.relative_to('a/b', walk_up=True), P(''))
self.assertEqual(p.relative_to(P('a/c'), walk_up=True), P('../b'))
self.assertEqual(p.relative_to('a/c', walk_up=True), P('../b'))
self.assertEqual(p.relative_to(P('a/b/c'), walk_up=True), P('..'))
self.assertEqual(p.relative_to('a/b/c', walk_up=True), P('..'))
self.assertEqual(p.relative_to(P('c'), walk_up=True), P('../a/b'))
self.assertEqual(p.relative_to('c', walk_up=True), P('../a/b'))
# 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'))
self.assertRaises(ValueError, p.relative_to, P("../a"))
self.assertRaises(ValueError, p.relative_to, P("a/.."))
self.assertRaises(ValueError, p.relative_to, P("/a/.."))
self.assertRaises(ValueError, p.relative_to, P('/'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('/a'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P("../a"), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P("a/.."), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P("/a/.."), walk_up=True)
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(''))
self.assertEqual(p.relative_to(P('/'), walk_up=True), P('a/b'))
self.assertEqual(p.relative_to('/', walk_up=True), P('a/b'))
self.assertEqual(p.relative_to(P('/a'), walk_up=True), P('b'))
self.assertEqual(p.relative_to('/a', walk_up=True), P('b'))
self.assertEqual(p.relative_to('/a/', walk_up=True), P('b'))
self.assertEqual(p.relative_to(P('/a/b'), walk_up=True), P(''))
self.assertEqual(p.relative_to('/a/b', walk_up=True), P(''))
self.assertEqual(p.relative_to(P('/a/c'), walk_up=True), P('../b'))
self.assertEqual(p.relative_to('/a/c', walk_up=True), P('../b'))
self.assertEqual(p.relative_to(P('/a/b/c'), walk_up=True), P('..'))
self.assertEqual(p.relative_to('/a/b/c', walk_up=True), P('..'))
self.assertEqual(p.relative_to(P('/c'), walk_up=True), P('../a/b'))
self.assertEqual(p.relative_to('/c', walk_up=True), P('../a/b'))
# 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'))
self.assertRaises(ValueError, p.relative_to, P("../a"))
self.assertRaises(ValueError, p.relative_to, P("a/.."))
self.assertRaises(ValueError, p.relative_to, P("/a/.."))
self.assertRaises(ValueError, p.relative_to, P(''), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('a'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P("../a"), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P("a/.."), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P("/a/.."), walk_up=True)
@needs_windows
def test_relative_to_windows(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())
self.assertEqual(p.relative_to(P('c:'), walk_up=True), P('Foo/Bar'))
self.assertEqual(p.relative_to('c:', walk_up=True), P('Foo/Bar'))
self.assertEqual(p.relative_to(P('c:foO'), walk_up=True), P('Bar'))
self.assertEqual(p.relative_to('c:foO', walk_up=True), P('Bar'))
self.assertEqual(p.relative_to('c:foO/', walk_up=True), P('Bar'))
self.assertEqual(p.relative_to(P('c:foO/baR'), walk_up=True), P())
self.assertEqual(p.relative_to('c:foO/baR', walk_up=True), P())
self.assertEqual(p.relative_to(P('C:Foo/Bar/Baz'), walk_up=True), P('..'))
self.assertEqual(p.relative_to(P('C:Foo/Baz'), walk_up=True), P('../Bar'))
self.assertEqual(p.relative_to(P('C:Baz/Bar'), walk_up=True), P('../../Foo/Bar'))
# 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'))
self.assertRaises(ValueError, p.relative_to, P(), walk_up=True)
self.assertRaises(ValueError, p.relative_to, '', walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('d:'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('/'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('Foo'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('/Foo'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('C:/Foo'), walk_up=True)
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())
self.assertEqual(p.relative_to(P('c:/'), walk_up=True), P('Foo/Bar'))
self.assertEqual(p.relative_to('c:/', walk_up=True), P('Foo/Bar'))
self.assertEqual(p.relative_to(P('c:/foO'), walk_up=True), P('Bar'))
self.assertEqual(p.relative_to('c:/foO', walk_up=True), P('Bar'))
self.assertEqual(p.relative_to('c:/foO/', walk_up=True), P('Bar'))
self.assertEqual(p.relative_to(P('c:/foO/baR'), walk_up=True), P())
self.assertEqual(p.relative_to('c:/foO/baR', walk_up=True), P())
self.assertEqual(p.relative_to('C:/Baz', walk_up=True), P('../Foo/Bar'))
self.assertEqual(p.relative_to('C:/Foo/Bar/Baz', walk_up=True), P('..'))
self.assertEqual(p.relative_to('C:/Foo/Baz', walk_up=True), P('../Bar'))
# Unrelated paths.
self.assertRaises(ValueError, p.relative_to, 'c:')
self.assertRaises(ValueError, p.relative_to, P('c:'))
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'))
self.assertRaises(ValueError, p.relative_to, 'c:', walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('c:'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('C:Foo'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('d:'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('d:/'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('/'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('/Foo'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('//C/Foo'), walk_up=True)
# 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())
self.assertEqual(p.relative_to(P('//sErver/sHare'), walk_up=True), P('Foo/Bar'))
self.assertEqual(p.relative_to('//sErver/sHare', walk_up=True), P('Foo/Bar'))
self.assertEqual(p.relative_to('//sErver/sHare/', walk_up=True), P('Foo/Bar'))
self.assertEqual(p.relative_to(P('//sErver/sHare/Foo'), walk_up=True), P('Bar'))
self.assertEqual(p.relative_to('//sErver/sHare/Foo', walk_up=True), P('Bar'))
self.assertEqual(p.relative_to('//sErver/sHare/Foo/', walk_up=True), P('Bar'))
self.assertEqual(p.relative_to(P('//sErver/sHare/Foo/Bar'), walk_up=True), P())
self.assertEqual(p.relative_to('//sErver/sHare/Foo/Bar', walk_up=True), P())
self.assertEqual(p.relative_to(P('//sErver/sHare/bar'), walk_up=True), P('../Foo/Bar'))
self.assertEqual(p.relative_to('//sErver/sHare/bar', walk_up=True), P('../Foo/Bar'))
# 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'))
self.assertRaises(ValueError, p.relative_to, P('/Server/Share/Foo'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('c:/Server/Share/Foo'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('//z/Share/Foo'), walk_up=True)
self.assertRaises(ValueError, p.relative_to, P('//Server/z/Foo'), walk_up=True)
def test_is_relative_to_common(self):
P = self.cls
p = P('a/b')
self.assertRaises(TypeError, p.is_relative_to)
self.assertRaises(TypeError, p.is_relative_to, b'a')
self.assertTrue(p.is_relative_to(P('')))
self.assertTrue(p.is_relative_to(''))
self.assertTrue(p.is_relative_to(P('a')))
self.assertTrue(p.is_relative_to('a/'))
self.assertTrue(p.is_relative_to(P('a/b')))
self.assertTrue(p.is_relative_to('a/b'))
# Unrelated paths.
self.assertFalse(p.is_relative_to(P('c')))
self.assertFalse(p.is_relative_to(P('a/b/c')))
self.assertFalse(p.is_relative_to(P('a/c')))
self.assertFalse(p.is_relative_to(P('/a')))
p = P('/a/b')
self.assertTrue(p.is_relative_to(P('/')))
self.assertTrue(p.is_relative_to('/'))
self.assertTrue(p.is_relative_to(P('/a')))
self.assertTrue(p.is_relative_to('/a'))
self.assertTrue(p.is_relative_to('/a/'))
self.assertTrue(p.is_relative_to(P('/a/b')))
self.assertTrue(p.is_relative_to('/a/b'))
# Unrelated paths.
self.assertFalse(p.is_relative_to(P('/c')))
self.assertFalse(p.is_relative_to(P('/a/b/c')))
self.assertFalse(p.is_relative_to(P('/a/c')))
self.assertFalse(p.is_relative_to(P('')))
self.assertFalse(p.is_relative_to(''))
self.assertFalse(p.is_relative_to(P('a')))
@needs_windows
def test_is_relative_to_windows(self):
P = self.cls
p = P('C:Foo/Bar')
self.assertTrue(p.is_relative_to(P('c:')))
self.assertTrue(p.is_relative_to('c:'))
self.assertTrue(p.is_relative_to(P('c:foO')))
self.assertTrue(p.is_relative_to('c:foO'))
self.assertTrue(p.is_relative_to('c:foO/'))
self.assertTrue(p.is_relative_to(P('c:foO/baR')))
self.assertTrue(p.is_relative_to('c:foO/baR'))
# Unrelated paths.
self.assertFalse(p.is_relative_to(P()))
self.assertFalse(p.is_relative_to(''))
self.assertFalse(p.is_relative_to(P('d:')))
self.assertFalse(p.is_relative_to(P('/')))
self.assertFalse(p.is_relative_to(P('Foo')))
self.assertFalse(p.is_relative_to(P('/Foo')))
self.assertFalse(p.is_relative_to(P('C:/Foo')))
self.assertFalse(p.is_relative_to(P('C:Foo/Bar/Baz')))
self.assertFalse(p.is_relative_to(P('C:Foo/Baz')))
p = P('C:/Foo/Bar')
self.assertTrue(p.is_relative_to(P('c:/')))
self.assertTrue(p.is_relative_to(P('c:/foO')))
self.assertTrue(p.is_relative_to('c:/foO/'))
self.assertTrue(p.is_relative_to(P('c:/foO/baR')))
self.assertTrue(p.is_relative_to('c:/foO/baR'))
# Unrelated paths.
self.assertFalse(p.is_relative_to('c:'))
self.assertFalse(p.is_relative_to(P('C:/Baz')))
self.assertFalse(p.is_relative_to(P('C:/Foo/Bar/Baz')))
self.assertFalse(p.is_relative_to(P('C:/Foo/Baz')))
self.assertFalse(p.is_relative_to(P('C:Foo')))
self.assertFalse(p.is_relative_to(P('d:')))
self.assertFalse(p.is_relative_to(P('d:/')))
self.assertFalse(p.is_relative_to(P('/')))
self.assertFalse(p.is_relative_to(P('/Foo')))
self.assertFalse(p.is_relative_to(P('//C/Foo')))
# UNC paths.
p = P('//Server/Share/Foo/Bar')
self.assertTrue(p.is_relative_to(P('//sErver/sHare')))
self.assertTrue(p.is_relative_to('//sErver/sHare'))
self.assertTrue(p.is_relative_to('//sErver/sHare/'))
self.assertTrue(p.is_relative_to(P('//sErver/sHare/Foo')))
self.assertTrue(p.is_relative_to('//sErver/sHare/Foo'))
self.assertTrue(p.is_relative_to('//sErver/sHare/Foo/'))
self.assertTrue(p.is_relative_to(P('//sErver/sHare/Foo/Bar')))
self.assertTrue(p.is_relative_to('//sErver/sHare/Foo/Bar'))
# Unrelated paths.
self.assertFalse(p.is_relative_to(P('/Server/Share/Foo')))
self.assertFalse(p.is_relative_to(P('c:/Server/Share/Foo')))
self.assertFalse(p.is_relative_to(P('//z/Share/Foo')))
self.assertFalse(p.is_relative_to(P('//Server/z/Foo')))
@needs_posix
def test_is_absolute_posix(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())
@needs_windows
def test_is_absolute_windows(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('//').is_absolute())
self.assertTrue(P('//a').is_absolute())
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())
self.assertTrue(P('//?/UNC/').is_absolute())
self.assertTrue(P('//?/UNC/spam').is_absolute())
#
# Tests for the virtual classes.
#
class PathBaseTest(PurePathBaseTest):
cls = PathBase
def test_unsupported_operation(self):
P = self.cls
p = self.cls('')
e = UnsupportedOperation
self.assertRaises(e, p.stat)
self.assertRaises(e, p.lstat)
self.assertRaises(e, p.exists)
self.assertRaises(e, p.samefile, 'foo')
self.assertRaises(e, p.is_dir)
self.assertRaises(e, p.is_file)
self.assertRaises(e, p.is_mount)
self.assertRaises(e, p.is_symlink)
self.assertRaises(e, p.is_block_device)
self.assertRaises(e, p.is_char_device)
self.assertRaises(e, p.is_fifo)
self.assertRaises(e, p.is_socket)
self.assertRaises(e, p.open)
self.assertRaises(e, p.read_bytes)
self.assertRaises(e, p.read_text)
self.assertRaises(e, p.write_bytes, b'foo')
self.assertRaises(e, p.write_text, 'foo')
self.assertRaises(e, p.iterdir)
self.assertRaises(e, p.glob, '*')
self.assertRaises(e, p.rglob, '*')
self.assertRaises(e, lambda: list(p.walk()))
self.assertRaises(e, p.absolute)
self.assertRaises(e, P.cwd)
self.assertRaises(e, p.expanduser)
self.assertRaises(e, p.home)
self.assertRaises(e, p.readlink)
self.assertRaises(e, p.symlink_to, 'foo')
self.assertRaises(e, p.hardlink_to, 'foo')
self.assertRaises(e, p.mkdir)
self.assertRaises(e, p.touch)
self.assertRaises(e, p.rename, 'foo')
self.assertRaises(e, p.replace, 'foo')
self.assertRaises(e, p.chmod, 0o755)
self.assertRaises(e, p.lchmod, 0o755)
self.assertRaises(e, p.unlink)
self.assertRaises(e, p.rmdir)
self.assertRaises(e, p.owner)
self.assertRaises(e, p.group)
self.assertRaises(e, p.as_uri)
def test_as_uri_common(self):
e = UnsupportedOperation
self.assertRaises(e, self.cls('').as_uri)
def test_fspath_common(self):
self.assertRaises(TypeError, os.fspath, self.cls(''))
def test_as_bytes_common(self):
self.assertRaises(TypeError, bytes, self.cls(''))
class DummyPathIO(io.BytesIO):
"""
Used by DummyPath to implement `open('w')`
"""
def __init__(self, files, path):
super().__init__()
self.files = files
self.path = path
def close(self):
self.files[self.path] = self.getvalue()
super().close()
DummyPathStatResult = collections.namedtuple(
'DummyPathStatResult',
'st_mode st_ino st_dev st_nlink st_uid st_gid st_size st_atime st_mtime st_ctime')
class DummyPath(PathBase):
"""
Simple implementation of PathBase that keeps files and directories in
memory.
"""
__slots__ = ()
parser = posixpath
_files = {}
_directories = {}
_symlinks = {}
def __eq__(self, other):
if not isinstance(other, DummyPath):
return NotImplemented
return str(self) == str(other)
def __hash__(self):
return hash(str(self))
def __repr__(self):
return "{}({!r})".format(self.__class__.__name__, self.as_posix())
def stat(self, *, follow_symlinks=True):
if follow_symlinks or self.name in ('', '.', '..'):
path = str(self.resolve(strict=True))
else:
path = str(self.parent.resolve(strict=True) / self.name)
if path in self._files:
st_mode = stat.S_IFREG
elif path in self._directories:
st_mode = stat.S_IFDIR
elif path in self._symlinks:
st_mode = stat.S_IFLNK
else:
raise FileNotFoundError(errno.ENOENT, "Not found", str(self))
return DummyPathStatResult(st_mode, hash(str(self)), 0, 0, 0, 0, 0, 0, 0, 0)
def open(self, mode='r', buffering=-1, encoding=None,
errors=None, newline=None):
if buffering != -1:
raise NotImplementedError
path_obj = self.resolve()
path = str(path_obj)
name = path_obj.name
parent = str(path_obj.parent)
if path in self._directories:
raise IsADirectoryError(errno.EISDIR, "Is a directory", path)
text = 'b' not in mode
mode = ''.join(c for c in mode if c not in 'btU')
if mode == 'r':
if path not in self._files:
raise FileNotFoundError(errno.ENOENT, "File not found", path)
stream = io.BytesIO(self._files[path])
elif mode == 'w':
if parent not in self._directories:
raise FileNotFoundError(errno.ENOENT, "File not found", parent)
stream = DummyPathIO(self._files, path)
self._files[path] = b''
self._directories[parent].add(name)
else:
raise NotImplementedError
if text:
stream = io.TextIOWrapper(stream, encoding=encoding, errors=errors, newline=newline)
return stream
def iterdir(self):
path = str(self.resolve())
if path in self._files:
raise NotADirectoryError(errno.ENOTDIR, "Not a directory", path)
elif path in self._directories:
return iter([self / name for name in self._directories[path]])
else:
raise FileNotFoundError(errno.ENOENT, "File not found", path)
def mkdir(self, mode=0o777, parents=False, exist_ok=False):
path = str(self.resolve())
if path in self._directories:
if exist_ok:
return
else:
raise FileExistsError(errno.EEXIST, "File exists", path)
try:
if self.name:
self._directories[str(self.parent)].add(self.name)
self._directories[path] = set()
except KeyError:
if not parents:
raise FileNotFoundError(errno.ENOENT, "File not found", str(self.parent)) from None
self.parent.mkdir(parents=True, exist_ok=True)
self.mkdir(mode, parents=False, exist_ok=exist_ok)
def unlink(self, missing_ok=False):
path_obj = self.parent.resolve(strict=True) / self.name
path = str(path_obj)
name = path_obj.name
parent = str(path_obj.parent)
if path in self._directories:
raise IsADirectoryError(errno.EISDIR, "Is a directory", path)
elif path in self._files:
self._directories[parent].remove(name)
del self._files[path]
elif path in self._symlinks:
self._directories[parent].remove(name)
del self._symlinks[path]
elif not missing_ok:
raise FileNotFoundError(errno.ENOENT, "File not found", path)
def rmdir(self):
path_obj = self.parent.resolve(strict=True) / self.name
path = str(path_obj)
if path in self._files or path in self._symlinks:
raise NotADirectoryError(errno.ENOTDIR, "Not a directory", path)
elif path not in self._directories:
raise FileNotFoundError(errno.ENOENT, "File not found", path)
elif self._directories[path]:
raise OSError(errno.ENOTEMPTY, "Directory not empty", path)
else:
name = path_obj.name
parent = str(path_obj.parent)
self._directories[parent].remove(name)
del self._directories[path]
class DummyPathTest(DummyPurePathTest):
"""Tests for PathBase methods that use stat(), open() and iterdir()."""
cls = DummyPath
can_symlink = False
# (self.base)
# |
# |-- brokenLink -> non-existing
# |-- dirA
# | `-- linkC -> ../dirB
# |-- dirB
# | |-- fileB
# | `-- linkD -> ../dirB
# |-- dirC
# | |-- dirD
# | | `-- fileD
# | `-- fileC
# | `-- novel.txt
# |-- dirE # No permissions
# |-- fileA
# |-- linkA -> fileA
# |-- linkB -> dirB
# `-- brokenLinkLoop -> brokenLinkLoop
#
def setUp(self):
super().setUp()
name = self.id().split('.')[-1]
if name in _tests_needing_symlinks and not self.can_symlink:
self.skipTest('requires symlinks')
parser = self.cls.parser
p = self.cls(self.base)
p.mkdir(parents=True)
p.joinpath('dirA').mkdir()
p.joinpath('dirB').mkdir()
p.joinpath('dirC').mkdir()
p.joinpath('dirC', 'dirD').mkdir()
p.joinpath('dirE').mkdir()
with p.joinpath('fileA').open('wb') as f:
f.write(b"this is file A\n")
with p.joinpath('dirB', 'fileB').open('wb') as f:
f.write(b"this is file B\n")
with p.joinpath('dirC', 'fileC').open('wb') as f:
f.write(b"this is file C\n")
with p.joinpath('dirC', 'novel.txt').open('wb') as f:
f.write(b"this is a novel\n")
with p.joinpath('dirC', 'dirD', 'fileD').open('wb') as f:
f.write(b"this is file D\n")
if self.can_symlink:
p.joinpath('linkA').symlink_to('fileA')
p.joinpath('brokenLink').symlink_to('non-existing')
p.joinpath('linkB').symlink_to('dirB')
p.joinpath('dirA', 'linkC').symlink_to(parser.join('..', 'dirB'))
p.joinpath('dirB', 'linkD').symlink_to(parser.join('..', 'dirB'))
p.joinpath('brokenLinkLoop').symlink_to('brokenLinkLoop')
def tearDown(self):
cls = self.cls
cls._files.clear()
cls._directories.clear()
cls._symlinks.clear()
def tempdir(self):
path = self.cls(self.base).with_name('tmp-dirD')
path.mkdir()
return path
def assertFileNotFound(self, func, *args, **kwargs):
with self.assertRaises(FileNotFoundError) as cm:
func(*args, **kwargs)
self.assertEqual(cm.exception.errno, errno.ENOENT)
def assertEqualNormCase(self, path_a, path_b):
normcase = self.parser.normcase
self.assertEqual(normcase(path_a), normcase(path_b))
def test_samefile(self):
parser = self.parser
fileA_path = parser.join(self.base, 'fileA')
fileB_path = parser.join(self.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 = parser.join(self.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_exists(self):
P = self.cls
p = P(self.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 self.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 / 'brokenLink').exists())
self.assertIs(True, (p / 'brokenLink').exists(follow_symlinks=False))
self.assertIs(False, (p / 'foo').exists())
self.assertIs(False, P('/xyzzy').exists())
self.assertIs(False, P(self.base + '\udfff').exists())
self.assertIs(False, P(self.base + '\x00').exists())
def test_open_common(self):
p = self.cls(self.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")
def test_read_write_bytes(self):
p = self.cls(self.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(self.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_read_text_with_newlines(self):
p = self.cls(self.base)
# Check that `\n` character change nothing
(p / 'fileA').write_bytes(b'abcde\r\nfghlk\n\rmnopq')
self.assertEqual((p / 'fileA').read_text(newline='\n'),
'abcde\r\nfghlk\n\rmnopq')
# Check that `\r` character replaces `\n`
(p / 'fileA').write_bytes(b'abcde\r\nfghlk\n\rmnopq')
self.assertEqual((p / 'fileA').read_text(newline='\r'),
'abcde\r\nfghlk\n\rmnopq')
# Check that `\r\n` character replaces `\n`
(p / 'fileA').write_bytes(b'abcde\r\nfghlk\n\rmnopq')
self.assertEqual((p / 'fileA').read_text(newline='\r\n'),
'abcde\r\nfghlk\n\rmnopq')
def test_write_text_with_newlines(self):
p = self.cls(self.base)
# Check that `\n` character change nothing
(p / 'fileA').write_text('abcde\r\nfghlk\n\rmnopq', newline='\n')
self.assertEqual((p / 'fileA').read_bytes(),
b'abcde\r\nfghlk\n\rmnopq')
# Check that `\r` character replaces `\n`
(p / 'fileA').write_text('abcde\r\nfghlk\n\rmnopq', newline='\r')
self.assertEqual((p / 'fileA').read_bytes(),
b'abcde\r\rfghlk\r\rmnopq')
# Check that `\r\n` character replaces `\n`
(p / 'fileA').write_text('abcde\r\nfghlk\n\rmnopq', newline='\r\n')
self.assertEqual((p / 'fileA').read_bytes(),
b'abcde\r\r\nfghlk\r\n\rmnopq')
# Check that no argument passed will change `\n` to `os.linesep`
os_linesep_byte = bytes(os.linesep, encoding='ascii')
(p / 'fileA').write_text('abcde\nfghlk\n\rmnopq')
self.assertEqual((p / 'fileA').read_bytes(),
b'abcde' + os_linesep_byte + b'fghlk' + os_linesep_byte + b'\rmnopq')
def test_copy_file(self):
base = self.cls(self.base)
source = base / 'fileA'
target = base / 'copyA'
source.copy(target)
self.assertTrue(target.exists())
self.assertEqual(source.read_text(), target.read_text())
def test_copy_directory(self):
base = self.cls(self.base)
source = base / 'dirA'
target = base / 'copyA'
with self.assertRaises(OSError):
source.copy(target)
@needs_symlinks
def test_copy_symlink_follow_symlinks_true(self):
base = self.cls(self.base)
source = base / 'linkA'
target = base / 'copyA'
source.copy(target)
self.assertTrue(target.exists())
self.assertFalse(target.is_symlink())
self.assertEqual(source.read_text(), target.read_text())
@needs_symlinks
def test_copy_symlink_follow_symlinks_false(self):
base = self.cls(self.base)
source = base / 'linkA'
target = base / 'copyA'
source.copy(target, follow_symlinks=False)
self.assertTrue(target.exists())
self.assertTrue(target.is_symlink())
self.assertEqual(source.readlink(), target.readlink())
@needs_symlinks
def test_copy_directory_symlink_follow_symlinks_false(self):
base = self.cls(self.base)
source = base / 'linkB'
target = base / 'copyA'
source.copy(target, follow_symlinks=False)
self.assertTrue(target.exists())
self.assertTrue(target.is_symlink())
self.assertEqual(source.readlink(), target.readlink())
def test_copy_to_existing_file(self):
base = self.cls(self.base)
source = base / 'fileA'
target = base / 'dirB' / 'fileB'
source.copy(target)
self.assertTrue(target.exists())
self.assertEqual(source.read_text(), target.read_text())
def test_copy_to_existing_directory(self):
base = self.cls(self.base)
source = base / 'fileA'
target = base / 'dirA'
with self.assertRaises(OSError):
source.copy(target)
@needs_symlinks
def test_copy_to_existing_symlink(self):
base = self.cls(self.base)
source = base / 'dirB' / 'fileB'
target = base / 'linkA'
real_target = base / 'fileA'
source.copy(target)
self.assertTrue(target.exists())
self.assertTrue(target.is_symlink())
self.assertTrue(real_target.exists())
self.assertFalse(real_target.is_symlink())
self.assertEqual(source.read_text(), real_target.read_text())
@needs_symlinks
def test_copy_to_existing_symlink_follow_symlinks_false(self):
base = self.cls(self.base)
source = base / 'dirB' / 'fileB'
target = base / 'linkA'
real_target = base / 'fileA'
source.copy(target, follow_symlinks=False)
self.assertTrue(target.exists())
self.assertTrue(target.is_symlink())
self.assertTrue(real_target.exists())
self.assertFalse(real_target.is_symlink())
self.assertEqual(source.read_text(), real_target.read_text())
def test_copy_empty(self):
base = self.cls(self.base)
source = base / 'empty'
target = base / 'copyA'
source.write_bytes(b'')
source.copy(target)
self.assertTrue(target.exists())
self.assertEqual(target.read_bytes(), b'')
def test_iterdir(self):
P = self.cls
p = P(self.base)
it = p.iterdir()
paths = set(it)
expected = ['dirA', 'dirB', 'dirC', 'dirE', 'fileA']
if self.can_symlink:
expected += ['linkA', 'linkB', 'brokenLink', 'brokenLinkLoop']
self.assertEqual(paths, { P(self.base, q) for q in expected })
@needs_symlinks
def test_iterdir_symlink(self):
# __iter__ on a symlink to a directory.
P = self.cls
p = P(self.base, 'linkB')
paths = set(p.iterdir())
expected = { P(self.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(self.base, 'fileA')
with self.assertRaises(OSError) as cm:
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(self.base, q) for q in expected })
P = self.cls
p = P(self.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 self.can_symlink:
_check(p.glob("*A"), ['dirA', 'fileA'])
else:
_check(p.glob("*A"), ['dirA', 'fileA', 'linkA'])
if not self.can_symlink:
_check(p.glob("*B/*"), ['dirB/fileB'])
else:
_check(p.glob("*B/*"), ['dirB/fileB', 'dirB/linkD',
'linkB/fileB', 'linkB/linkD'])
if not self.can_symlink:
_check(p.glob("*/fileB"), ['dirB/fileB'])
else:
_check(p.glob("*/fileB"), ['dirB/fileB', 'linkB/fileB'])
if self.can_symlink:
_check(p.glob("brokenLink"), ['brokenLink'])
if not self.can_symlink:
_check(p.glob("*/"), ["dirA/", "dirB/", "dirC/", "dirE/"])
else:
_check(p.glob("*/"), ["dirA/", "dirB/", "dirC/", "dirE/", "linkB/"])
@needs_posix
def test_glob_posix(self):
P = self.cls
p = P(self.base)
q = p / "FILEa"
given = set(p.glob("FILEa"))
expect = {q} if q.exists() else set()
self.assertEqual(given, expect)
self.assertEqual(set(p.glob("FILEa*")), set())
@needs_windows
def test_glob_windows(self):
P = self.cls
p = P(self.base)
self.assertEqual(set(p.glob("FILEa")), { P(self.base, "fileA") })
self.assertEqual(set(p.glob("*a\\")), { P(self.base, "dirA/") })
self.assertEqual(set(p.glob("F*a")), { P(self.base, "fileA") })
def test_glob_empty_pattern(self):
P = self.cls
p = P(self.base)
self.assertEqual(list(p.glob("")), [p])
self.assertEqual(list(p.glob(".")), [p / "."])
self.assertEqual(list(p.glob("./")), [p / "./"])
def test_glob_case_sensitive(self):
P = self.cls
def _check(path, pattern, case_sensitive, expected):
actual = {str(q) for q in path.glob(pattern, case_sensitive=case_sensitive)}
expected = {str(P(self.base, q)) for q in expected}
self.assertEqual(actual, expected)
path = P(self.base)
_check(path, "DIRB/FILE*", True, [])
_check(path, "DIRB/FILE*", False, ["dirB/fileB"])
_check(path, "dirb/file*", True, [])
_check(path, "dirb/file*", False, ["dirB/fileB"])
@needs_symlinks
def test_glob_recurse_symlinks_common(self):
def _check(path, glob, expected):
actual = {path for path in path.glob(glob, recurse_symlinks=True)
if path.parts.count("linkD") <= 1} # exclude symlink loop.
self.assertEqual(actual, { P(self.base, q) for q in expected })
P = self.cls
p = P(self.base)
_check(p, "fileB", [])
_check(p, "dir*/file*", ["dirB/fileB", "dirC/fileC"])
_check(p, "*A", ["dirA", "fileA", "linkA"])
_check(p, "*B/*", ["dirB/fileB", "dirB/linkD", "linkB/fileB", "linkB/linkD"])
_check(p, "*/fileB", ["dirB/fileB", "linkB/fileB"])
_check(p, "*/", ["dirA/", "dirB/", "dirC/", "dirE/", "linkB/"])
_check(p, "dir*/*/..", ["dirC/dirD/..", "dirA/linkC/..", "dirB/linkD/.."])
_check(p, "dir*/**", [
"dirA/", "dirA/linkC", "dirA/linkC/fileB", "dirA/linkC/linkD", "dirA/linkC/linkD/fileB",
"dirB/", "dirB/fileB", "dirB/linkD", "dirB/linkD/fileB",
"dirC/", "dirC/fileC", "dirC/dirD", "dirC/dirD/fileD", "dirC/novel.txt",
"dirE/"])
_check(p, "dir*/**/", ["dirA/", "dirA/linkC/", "dirA/linkC/linkD/", "dirB/", "dirB/linkD/",
"dirC/", "dirC/dirD/", "dirE/"])
_check(p, "dir*/**/..", ["dirA/..", "dirA/linkC/..", "dirB/..",
"dirB/linkD/..", "dirA/linkC/linkD/..",
"dirC/..", "dirC/dirD/..", "dirE/.."])
_check(p, "dir*/*/**", [
"dirA/linkC/", "dirA/linkC/linkD", "dirA/linkC/fileB", "dirA/linkC/linkD/fileB",
"dirB/linkD/", "dirB/linkD/fileB",
"dirC/dirD/", "dirC/dirD/fileD"])
_check(p, "dir*/*/**/", ["dirA/linkC/", "dirA/linkC/linkD/", "dirB/linkD/", "dirC/dirD/"])
_check(p, "dir*/*/**/..", ["dirA/linkC/..", "dirA/linkC/linkD/..",
"dirB/linkD/..", "dirC/dirD/.."])
_check(p, "dir*/**/fileC", ["dirC/fileC"])
_check(p, "dir*/*/../dirD/**/", ["dirC/dirD/../dirD/"])
_check(p, "*/dirD/**", ["dirC/dirD/", "dirC/dirD/fileD"])
_check(p, "*/dirD/**/", ["dirC/dirD/"])
def test_rglob_recurse_symlinks_false(self):
def _check(path, glob, expected):
actual = set(path.rglob(glob, recurse_symlinks=False))
self.assertEqual(actual, { P(self.base, q) for q in expected })
P = self.cls
p = P(self.base)
it = p.rglob("fileA")
self.assertIsInstance(it, collections.abc.Iterator)
_check(p, "fileA", ["fileA"])
_check(p, "fileB", ["dirB/fileB"])
_check(p, "**/fileB", ["dirB/fileB"])
_check(p, "*/fileA", [])
if self.can_symlink:
_check(p, "*/fileB", ["dirB/fileB", "dirB/linkD/fileB",
"linkB/fileB", "dirA/linkC/fileB"])
_check(p, "*/", [
"dirA/", "dirA/linkC/", "dirB/", "dirB/linkD/", "dirC/",
"dirC/dirD/", "dirE/", "linkB/"])
else:
_check(p, "*/fileB", ["dirB/fileB"])
_check(p, "*/", ["dirA/", "dirB/", "dirC/", "dirC/dirD/", "dirE/"])
_check(p, "file*", ["fileA", "dirB/fileB", "dirC/fileC", "dirC/dirD/fileD"])
_check(p, "", ["", "dirA/", "dirB/", "dirC/", "dirE/", "dirC/dirD/"])
p = P(self.base, "dirC")
_check(p, "*", ["dirC/fileC", "dirC/novel.txt",
"dirC/dirD", "dirC/dirD/fileD"])
_check(p, "file*", ["dirC/fileC", "dirC/dirD/fileD"])
_check(p, "**/file*", ["dirC/fileC", "dirC/dirD/fileD"])
_check(p, "dir*/**", ["dirC/dirD/", "dirC/dirD/fileD"])
_check(p, "dir*/**/", ["dirC/dirD/"])
_check(p, "*/*", ["dirC/dirD/fileD"])
_check(p, "*/", ["dirC/dirD/"])
_check(p, "", ["dirC/", "dirC/dirD/"])
_check(p, "**", ["dirC/", "dirC/fileC", "dirC/dirD", "dirC/dirD/fileD", "dirC/novel.txt"])
_check(p, "**/", ["dirC/", "dirC/dirD/"])
# gh-91616, a re module regression
_check(p, "*.txt", ["dirC/novel.txt"])
_check(p, "*.*", ["dirC/novel.txt"])
@needs_posix
def test_rglob_posix(self):
P = self.cls
p = P(self.base, "dirC")
q = p / "dirD" / "FILEd"
given = set(p.rglob("FILEd"))
expect = {q} if q.exists() else set()
self.assertEqual(given, expect)
self.assertEqual(set(p.rglob("FILEd*")), set())
@needs_windows
def test_rglob_windows(self):
P = self.cls
p = P(self.base, "dirC")
self.assertEqual(set(p.rglob("FILEd")), { P(self.base, "dirC/dirD/fileD") })
self.assertEqual(set(p.rglob("*\\")), { P(self.base, "dirC/dirD/") })
@needs_symlinks
def test_rglob_recurse_symlinks_common(self):
def _check(path, glob, expected):
actual = {path for path in path.rglob(glob, recurse_symlinks=True)
if path.parts.count("linkD") <= 1} # exclude symlink loop.
self.assertEqual(actual, { P(self.base, q) for q in expected })
P = self.cls
p = P(self.base)
_check(p, "fileB", ["dirB/fileB", "dirA/linkC/fileB", "linkB/fileB",
"dirA/linkC/linkD/fileB", "dirB/linkD/fileB", "linkB/linkD/fileB"])
_check(p, "*/fileA", [])
_check(p, "*/fileB", ["dirB/fileB", "dirA/linkC/fileB", "linkB/fileB",
"dirA/linkC/linkD/fileB", "dirB/linkD/fileB", "linkB/linkD/fileB"])
_check(p, "file*", ["fileA", "dirA/linkC/fileB", "dirB/fileB",
"dirA/linkC/linkD/fileB", "dirB/linkD/fileB", "linkB/linkD/fileB",
"dirC/fileC", "dirC/dirD/fileD", "linkB/fileB"])
_check(p, "*/", ["dirA/", "dirA/linkC/", "dirA/linkC/linkD/", "dirB/", "dirB/linkD/",
"dirC/", "dirC/dirD/", "dirE/", "linkB/", "linkB/linkD/"])
_check(p, "", ["", "dirA/", "dirA/linkC/", "dirA/linkC/linkD/", "dirB/", "dirB/linkD/",
"dirC/", "dirE/", "dirC/dirD/", "linkB/", "linkB/linkD/"])
p = P(self.base, "dirC")
_check(p, "*", ["dirC/fileC", "dirC/novel.txt",
"dirC/dirD", "dirC/dirD/fileD"])
_check(p, "file*", ["dirC/fileC", "dirC/dirD/fileD"])
_check(p, "*/*", ["dirC/dirD/fileD"])
_check(p, "*/", ["dirC/dirD/"])
_check(p, "", ["dirC/", "dirC/dirD/"])
# gh-91616, a re module regression
_check(p, "*.txt", ["dirC/novel.txt"])
_check(p, "*.*", ["dirC/novel.txt"])
@needs_symlinks
def test_rglob_symlink_loop(self):
# Don't get fooled by symlink loops (Issue #26012).
P = self.cls
p = P(self.base)
given = set(p.rglob('*', recurse_symlinks=False))
expect = {'brokenLink',
'dirA', 'dirA/linkC',
'dirB', 'dirB/fileB', 'dirB/linkD',
'dirC', 'dirC/dirD', 'dirC/dirD/fileD',
'dirC/fileC', 'dirC/novel.txt',
'dirE',
'fileA',
'linkA',
'linkB',
'brokenLinkLoop',
}
self.assertEqual(given, {p / x for x in expect})
# See https://github.com/WebAssembly/wasi-filesystem/issues/26
@unittest.skipIf(is_wasi, "WASI resolution of '..' parts doesn't match POSIX")
def test_glob_dotdot(self):
# ".." is not special in globs.
P = self.cls
p = P(self.base)
self.assertEqual(set(p.glob("..")), { P(self.base, "..") })
self.assertEqual(set(p.glob("../..")), { P(self.base, "..", "..") })
self.assertEqual(set(p.glob("dirA/..")), { P(self.base, "dirA", "..") })
self.assertEqual(set(p.glob("dirA/../file*")), { P(self.base, "dirA/../fileA") })
self.assertEqual(set(p.glob("dirA/../file*/..")), set())
self.assertEqual(set(p.glob("../xyzzy")), set())
if self.cls.parser is posixpath:
self.assertEqual(set(p.glob("xyzzy/..")), set())
else:
# ".." segments are normalized first on Windows, so this path is stat()able.
self.assertEqual(set(p.glob("xyzzy/..")), { P(self.base, "xyzzy", "..") })
self.assertEqual(set(p.glob("/".join([".."] * 50))), { P(self.base, *[".."] * 50)})
@needs_symlinks
def test_glob_permissions(self):
# See bpo-38894
P = self.cls
base = P(self.base) / 'permissions'
base.mkdir()
for i in range(100):
link = base / f"link{i}"
if i % 2:
link.symlink_to(P(self.base, "dirE", "nonexistent"))
else:
link.symlink_to(P(self.base, "dirC"))
self.assertEqual(len(set(base.glob("*"))), 100)
self.assertEqual(len(set(base.glob("*/"))), 50)
self.assertEqual(len(set(base.glob("*/fileC"))), 50)
self.assertEqual(len(set(base.glob("*/file*"))), 50)
@needs_symlinks
def test_glob_long_symlink(self):
# See gh-87695
base = self.cls(self.base) / 'long_symlink'
base.mkdir()
bad_link = base / 'bad_link'
bad_link.symlink_to("bad" * 200)
self.assertEqual(sorted(base.glob('**/*')), [bad_link])
@needs_symlinks
def test_readlink(self):
P = self.cls(self.base)
self.assertEqual((P / 'linkA').readlink(), self.cls('fileA'))
self.assertEqual((P / 'brokenLink').readlink(),
self.cls('non-existing'))
self.assertEqual((P / 'linkB').readlink(), self.cls('dirB'))
self.assertEqual((P / 'linkB' / 'linkD').readlink(), self.cls('../dirB'))
with self.assertRaises(OSError):
(P / 'fileA').readlink()
@unittest.skipIf(hasattr(os, "readlink"), "os.readlink() is present")
def test_readlink_unsupported(self):
P = self.cls(self.base)
p = P / 'fileA'
with self.assertRaises(UnsupportedOperation):
q.readlink(p)
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
@needs_symlinks
def test_resolve_common(self):
P = self.cls
p = P(self.base, 'foo')
with self.assertRaises(OSError) as cm:
p.resolve(strict=True)
self.assertEqual(cm.exception.errno, errno.ENOENT)
# Non-strict
parser = self.parser
self.assertEqualNormCase(str(p.resolve(strict=False)),
parser.join(self.base, 'foo'))
p = P(self.base, 'foo', 'in', 'spam')
self.assertEqualNormCase(str(p.resolve(strict=False)),
parser.join(self.base, 'foo', 'in', 'spam'))
p = P(self.base, '..', 'foo', 'in', 'spam')
self.assertEqualNormCase(str(p.resolve(strict=False)),
parser.join(parser.dirname(self.base), 'foo', 'in', 'spam'))
# These are all relative symlinks.
p = P(self.base, 'dirB', 'fileB')
self._check_resolve_relative(p, p)
p = P(self.base, 'linkA')
self._check_resolve_relative(p, P(self.base, 'fileA'))
p = P(self.base, 'dirA', 'linkC', 'fileB')
self._check_resolve_relative(p, P(self.base, 'dirB', 'fileB'))
p = P(self.base, 'dirB', 'linkD', 'fileB')
self._check_resolve_relative(p, P(self.base, 'dirB', 'fileB'))
# Non-strict
p = P(self.base, 'dirA', 'linkC', 'fileB', 'foo', 'in', 'spam')
self._check_resolve_relative(p, P(self.base, 'dirB', 'fileB', 'foo', 'in',
'spam'), False)
p = P(self.base, 'dirA', 'linkC', '..', 'foo', 'in', 'spam')
if self.cls.parser is not posixpath:
# In Windows, if linkY points to dirB, 'dirA\linkY\..'
# resolves to 'dirA' without resolving linkY first.
self._check_resolve_relative(p, P(self.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(self.base, 'foo', 'in', 'spam'), False)
# Now create absolute symlinks.
d = self.tempdir()
P(self.base, 'dirA', 'linkX').symlink_to(d)
P(self.base, str(d), 'linkY').symlink_to(self.parser.join(self.base, 'dirB'))
p = P(self.base, 'dirA', 'linkX', 'linkY', 'fileB')
self._check_resolve_absolute(p, P(self.base, 'dirB', 'fileB'))
# Non-strict
p = P(self.base, 'dirA', 'linkX', 'linkY', 'foo', 'in', 'spam')
self._check_resolve_relative(p, P(self.base, 'dirB', 'foo', 'in', 'spam'),
False)
p = P(self.base, 'dirA', 'linkX', 'linkY', '..', 'foo', 'in', 'spam')
if self.cls.parser is not posixpath:
# 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(self.base, 'foo', 'in', 'spam'), False)
@needs_symlinks
def test_resolve_dot(self):
# See http://web.archive.org/web/20200623062557/https://bitbucket.org/pitrou/pathlib/issues/9/
parser = self.parser
p = self.cls(self.base)
p.joinpath('0').symlink_to('.', target_is_directory=True)
p.joinpath('1').symlink_to(parser.join('0', '0'), target_is_directory=True)
p.joinpath('2').symlink_to(parser.join('1', '1'), target_is_directory=True)
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 _check_symlink_loop(self, *args):
path = self.cls(*args)
with self.assertRaises(OSError) as cm:
path.resolve(strict=True)
self.assertEqual(cm.exception.errno, errno.ELOOP)
@needs_posix
@needs_symlinks
def test_resolve_loop(self):
# Loops with relative symlinks.
self.cls(self.base, 'linkX').symlink_to('linkX/inside')
self._check_symlink_loop(self.base, 'linkX')
self.cls(self.base, 'linkY').symlink_to('linkY')
self._check_symlink_loop(self.base, 'linkY')
self.cls(self.base, 'linkZ').symlink_to('linkZ/../linkZ')
self._check_symlink_loop(self.base, 'linkZ')
# Non-strict
p = self.cls(self.base, 'linkZ', 'foo')
self.assertEqual(p.resolve(strict=False), p)
# Loops with absolute symlinks.
self.cls(self.base, 'linkU').symlink_to(self.parser.join(self.base, 'linkU/inside'))
self._check_symlink_loop(self.base, 'linkU')
self.cls(self.base, 'linkV').symlink_to(self.parser.join(self.base, 'linkV'))
self._check_symlink_loop(self.base, 'linkV')
self.cls(self.base, 'linkW').symlink_to(self.parser.join(self.base, 'linkW/../linkW'))
self._check_symlink_loop(self.base, 'linkW')
# Non-strict
q = self.cls(self.base, 'linkW', 'foo')
self.assertEqual(q.resolve(strict=False), q)
def test_stat(self):
statA = self.cls(self.base).joinpath('fileA').stat()
statB = self.cls(self.base).joinpath('dirB', 'fileB').stat()
statC = self.cls(self.base).joinpath('dirC').stat()
# st_mode: files are the same, directory differs.
self.assertIsInstance(statA.st_mode, int)
self.assertEqual(statA.st_mode, statB.st_mode)
self.assertNotEqual(statA.st_mode, statC.st_mode)
self.assertNotEqual(statB.st_mode, statC.st_mode)
# st_ino: all different,
self.assertIsInstance(statA.st_ino, int)
self.assertNotEqual(statA.st_ino, statB.st_ino)
self.assertNotEqual(statA.st_ino, statC.st_ino)
self.assertNotEqual(statB.st_ino, statC.st_ino)
# st_dev: all the same.
self.assertIsInstance(statA.st_dev, int)
self.assertEqual(statA.st_dev, statB.st_dev)
self.assertEqual(statA.st_dev, statC.st_dev)
# other attributes not used by pathlib.
@needs_symlinks
def test_stat_no_follow_symlinks(self):
p = self.cls(self.base) / 'linkA'
st = p.stat()
self.assertNotEqual(st, p.stat(follow_symlinks=False))
def test_stat_no_follow_symlinks_nosymlink(self):
p = self.cls(self.base) / 'fileA'
st = p.stat()
self.assertEqual(st, p.stat(follow_symlinks=False))
@needs_symlinks
def test_lstat(self):
p = self.cls(self.base)/ 'linkA'
st = p.stat()
self.assertNotEqual(st, p.lstat())
def test_lstat_nosymlink(self):
p = self.cls(self.base) / 'fileA'
st = p.stat()
self.assertEqual(st, p.lstat())
def test_is_dir(self):
P = self.cls(self.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 self.can_symlink:
self.assertFalse((P / 'linkA').is_dir())
self.assertTrue((P / 'linkB').is_dir())
self.assertFalse((P/ 'brokenLink').is_dir())
self.assertFalse((P / 'dirA\udfff').is_dir())
self.assertFalse((P / 'dirA\x00').is_dir())
def test_is_dir_no_follow_symlinks(self):
P = self.cls(self.base)
self.assertTrue((P / 'dirA').is_dir(follow_symlinks=False))
self.assertFalse((P / 'fileA').is_dir(follow_symlinks=False))
self.assertFalse((P / 'non-existing').is_dir(follow_symlinks=False))
self.assertFalse((P / 'fileA' / 'bah').is_dir(follow_symlinks=False))
if self.can_symlink:
self.assertFalse((P / 'linkA').is_dir(follow_symlinks=False))
self.assertFalse((P / 'linkB').is_dir(follow_symlinks=False))
self.assertFalse((P/ 'brokenLink').is_dir(follow_symlinks=False))
self.assertFalse((P / 'dirA\udfff').is_dir(follow_symlinks=False))
self.assertFalse((P / 'dirA\x00').is_dir(follow_symlinks=False))
def test_is_file(self):
P = self.cls(self.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 self.can_symlink:
self.assertTrue((P / 'linkA').is_file())
self.assertFalse((P / 'linkB').is_file())
self.assertFalse((P/ 'brokenLink').is_file())
self.assertFalse((P / 'fileA\udfff').is_file())
self.assertFalse((P / 'fileA\x00').is_file())
def test_is_file_no_follow_symlinks(self):
P = self.cls(self.base)
self.assertTrue((P / 'fileA').is_file(follow_symlinks=False))
self.assertFalse((P / 'dirA').is_file(follow_symlinks=False))
self.assertFalse((P / 'non-existing').is_file(follow_symlinks=False))
self.assertFalse((P / 'fileA' / 'bah').is_file(follow_symlinks=False))
if self.can_symlink:
self.assertFalse((P / 'linkA').is_file(follow_symlinks=False))
self.assertFalse((P / 'linkB').is_file(follow_symlinks=False))
self.assertFalse((P/ 'brokenLink').is_file(follow_symlinks=False))
self.assertFalse((P / 'fileA\udfff').is_file(follow_symlinks=False))
self.assertFalse((P / 'fileA\x00').is_file(follow_symlinks=False))
def test_is_mount(self):
P = self.cls(self.base)
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())
if self.can_symlink:
self.assertFalse((P / 'linkA').is_mount())
def test_is_symlink(self):
P = self.cls(self.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 self.can_symlink:
self.assertTrue((P / 'linkA').is_symlink())
self.assertTrue((P / 'linkB').is_symlink())
self.assertTrue((P/ 'brokenLink').is_symlink())
self.assertIs((P / 'fileA\udfff').is_file(), False)
self.assertIs((P / 'fileA\x00').is_file(), False)
if self.can_symlink:
self.assertIs((P / 'linkA\udfff').is_file(), False)
self.assertIs((P / 'linkA\x00').is_file(), False)
def test_is_junction_false(self):
P = self.cls(self.base)
self.assertFalse((P / 'fileA').is_junction())
self.assertFalse((P / 'dirA').is_junction())
self.assertFalse((P / 'non-existing').is_junction())
self.assertFalse((P / 'fileA' / 'bah').is_junction())
self.assertFalse((P / 'fileA\udfff').is_junction())
self.assertFalse((P / 'fileA\x00').is_junction())
def test_is_fifo_false(self):
P = self.cls(self.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())
self.assertIs((P / 'fileA\udfff').is_fifo(), False)
self.assertIs((P / 'fileA\x00').is_fifo(), False)
def test_is_socket_false(self):
P = self.cls(self.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())
self.assertIs((P / 'fileA\udfff').is_socket(), False)
self.assertIs((P / 'fileA\x00').is_socket(), False)
def test_is_block_device_false(self):
P = self.cls(self.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())
self.assertIs((P / 'fileA\udfff').is_block_device(), False)
self.assertIs((P / 'fileA\x00').is_block_device(), False)
def test_is_char_device_false(self):
P = self.cls(self.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())
self.assertIs((P / 'fileA\udfff').is_char_device(), False)
self.assertIs((P / 'fileA\x00').is_char_device(), False)
def _check_complex_symlinks(self, link0_target):
# Test solving a non-looping chain of symlinks (issue #19887).
parser = self.parser
P = self.cls(self.base)
P.joinpath('link1').symlink_to(parser.join('link0', 'link0'), target_is_directory=True)
P.joinpath('link2').symlink_to(parser.join('link1', 'link1'), target_is_directory=True)
P.joinpath('link3').symlink_to(parser.join('link2', 'link2'), target_is_directory=True)
P.joinpath('link0').symlink_to(link0_target, target_is_directory=True)
# Resolve absolute paths.
p = (P / 'link0').resolve()
self.assertEqual(p, P)
self.assertEqualNormCase(str(p), self.base)
p = (P / 'link1').resolve()
self.assertEqual(p, P)
self.assertEqualNormCase(str(p), self.base)
p = (P / 'link2').resolve()
self.assertEqual(p, P)
self.assertEqualNormCase(str(p), self.base)
p = (P / 'link3').resolve()
self.assertEqual(p, P)
self.assertEqualNormCase(str(p), self.base)
# Resolve relative paths.
try:
self.cls('').absolute()
except UnsupportedOperation:
return
old_path = os.getcwd()
os.chdir(self.base)
try:
p = self.cls('link0').resolve()
self.assertEqual(p, P)
self.assertEqualNormCase(str(p), self.base)
p = self.cls('link1').resolve()
self.assertEqual(p, P)
self.assertEqualNormCase(str(p), self.base)
p = self.cls('link2').resolve()
self.assertEqual(p, P)
self.assertEqualNormCase(str(p), self.base)
p = self.cls('link3').resolve()
self.assertEqual(p, P)
self.assertEqualNormCase(str(p), self.base)
finally:
os.chdir(old_path)
@needs_symlinks
def test_complex_symlinks_absolute(self):
self._check_complex_symlinks(self.base)
@needs_symlinks
def test_complex_symlinks_relative(self):
self._check_complex_symlinks('.')
@needs_symlinks
def test_complex_symlinks_relative_dot_dot(self):
self._check_complex_symlinks(self.parser.join('dirA', '..'))
def test_unlink(self):
p = self.cls(self.base) / 'fileA'
p.unlink()
self.assertFileNotFound(p.stat)
self.assertFileNotFound(p.unlink)
def test_unlink_missing_ok(self):
p = self.cls(self.base) / 'fileAAA'
self.assertFileNotFound(p.unlink)
p.unlink(missing_ok=True)
def test_rmdir(self):
p = self.cls(self.base) / 'dirA'
for q in p.iterdir():
q.unlink()
p.rmdir()
self.assertFileNotFound(p.stat)
self.assertFileNotFound(p.unlink)
def setUpWalk(self):
# Build:
# TESTFN/
# TEST1/ a file kid and two directory kids
# tmp1
# SUB1/ a file kid and a directory kid
# tmp2
# SUB11/ no kids
# SUB2/ a file kid and a dirsymlink kid
# tmp3
# link/ a symlink to TEST2
# broken_link
# broken_link2
# TEST2/
# tmp4 a lone file
self.walk_path = self.cls(self.base, "TEST1")
self.sub1_path = self.walk_path / "SUB1"
self.sub11_path = self.sub1_path / "SUB11"
self.sub2_path = self.walk_path / "SUB2"
tmp1_path = self.walk_path / "tmp1"
tmp2_path = self.sub1_path / "tmp2"
tmp3_path = self.sub2_path / "tmp3"
self.link_path = self.sub2_path / "link"
t2_path = self.cls(self.base, "TEST2")
tmp4_path = self.cls(self.base, "TEST2", "tmp4")
broken_link_path = self.sub2_path / "broken_link"
broken_link2_path = self.sub2_path / "broken_link2"
self.sub11_path.mkdir(parents=True)
self.sub2_path.mkdir(parents=True)
t2_path.mkdir(parents=True)
for path in tmp1_path, tmp2_path, tmp3_path, tmp4_path:
with path.open("w", encoding='utf-8') as f:
f.write(f"I'm {path} and proud of it. Blame test_pathlib.\n")
if self.can_symlink:
self.link_path.symlink_to(t2_path)
broken_link_path.symlink_to('broken')
broken_link2_path.symlink_to(self.cls('tmp3', 'broken'))
self.sub2_tree = (self.sub2_path, [], ["broken_link", "broken_link2", "link", "tmp3"])
else:
self.sub2_tree = (self.sub2_path, [], ["tmp3"])
def test_walk_topdown(self):
self.setUpWalk()
walker = self.walk_path.walk()
entry = next(walker)
entry[1].sort() # Ensure we visit SUB1 before SUB2
self.assertEqual(entry, (self.walk_path, ["SUB1", "SUB2"], ["tmp1"]))
entry = next(walker)
self.assertEqual(entry, (self.sub1_path, ["SUB11"], ["tmp2"]))
entry = next(walker)
self.assertEqual(entry, (self.sub11_path, [], []))
entry = next(walker)
entry[1].sort()
entry[2].sort()
self.assertEqual(entry, self.sub2_tree)
with self.assertRaises(StopIteration):
next(walker)
def test_walk_prune(self):
self.setUpWalk()
# Prune the search.
all = []
for root, dirs, files in self.walk_path.walk():
all.append((root, dirs, files))
if 'SUB1' in dirs:
# Note that this also mutates the dirs we appended to all!
dirs.remove('SUB1')
self.assertEqual(len(all), 2)
self.assertEqual(all[0], (self.walk_path, ["SUB2"], ["tmp1"]))
all[1][-1].sort()
all[1][1].sort()
self.assertEqual(all[1], self.sub2_tree)
def test_walk_bottom_up(self):
self.setUpWalk()
seen_testfn = seen_sub1 = seen_sub11 = seen_sub2 = False
for path, dirnames, filenames in self.walk_path.walk(top_down=False):
if path == self.walk_path:
self.assertFalse(seen_testfn)
self.assertTrue(seen_sub1)
self.assertTrue(seen_sub2)
self.assertEqual(sorted(dirnames), ["SUB1", "SUB2"])
self.assertEqual(filenames, ["tmp1"])
seen_testfn = True
elif path == self.sub1_path:
self.assertFalse(seen_testfn)
self.assertFalse(seen_sub1)
self.assertTrue(seen_sub11)
self.assertEqual(dirnames, ["SUB11"])
self.assertEqual(filenames, ["tmp2"])
seen_sub1 = True
elif path == self.sub11_path:
self.assertFalse(seen_sub1)
self.assertFalse(seen_sub11)
self.assertEqual(dirnames, [])
self.assertEqual(filenames, [])
seen_sub11 = True
elif path == self.sub2_path:
self.assertFalse(seen_testfn)
self.assertFalse(seen_sub2)
self.assertEqual(sorted(dirnames), sorted(self.sub2_tree[1]))
self.assertEqual(sorted(filenames), sorted(self.sub2_tree[2]))
seen_sub2 = True
else:
raise AssertionError(f"Unexpected path: {path}")
self.assertTrue(seen_testfn)
@needs_symlinks
def test_walk_follow_symlinks(self):
self.setUpWalk()
walk_it = self.walk_path.walk(follow_symlinks=True)
for root, dirs, files in walk_it:
if root == self.link_path:
self.assertEqual(dirs, [])
self.assertEqual(files, ["tmp4"])
break
else:
self.fail("Didn't follow symlink with follow_symlinks=True")
@needs_symlinks
def test_walk_symlink_location(self):
self.setUpWalk()
# Tests whether symlinks end up in filenames or dirnames depending
# on the `follow_symlinks` argument.
walk_it = self.walk_path.walk(follow_symlinks=False)
for root, dirs, files in walk_it:
if root == self.sub2_path:
self.assertIn("link", files)
break
else:
self.fail("symlink not found")
walk_it = self.walk_path.walk(follow_symlinks=True)
for root, dirs, files in walk_it:
if root == self.sub2_path:
self.assertIn("link", dirs)
break
else:
self.fail("symlink not found")
class DummyPathWithSymlinks(DummyPath):
__slots__ = ()
# Reduce symlink traversal limit to make tests run faster.
_max_symlinks = 20
def readlink(self):
path = str(self.parent.resolve() / self.name)
if path in self._symlinks:
return self.with_segments(self._symlinks[path])
elif path in self._files or path in self._directories:
raise OSError(errno.EINVAL, "Not a symlink", path)
else:
raise FileNotFoundError(errno.ENOENT, "File not found", path)
def symlink_to(self, target, target_is_directory=False):
self._directories[str(self.parent)].add(self.name)
self._symlinks[str(self)] = str(target)
class DummyPathWithSymlinksTest(DummyPathTest):
cls = DummyPathWithSymlinks
can_symlink = True
if __name__ == "__main__":
unittest.main()
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