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test_ntpath.py
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import inspect
import ntpath
import os
import string
import subprocess
import sys
import unittest
import warnings
from test.support import cpython_only, os_helper
from test.support import TestFailed, is_emscripten
from test.support.os_helper import FakePath
from test import test_genericpath
from tempfile import TemporaryFile
try:
import nt
except ImportError:
# Most tests can complete without the nt module,
# but for those that require it we import here.
nt = None
try:
ntpath._getfinalpathname
except AttributeError:
HAVE_GETFINALPATHNAME = False
else:
HAVE_GETFINALPATHNAME = True
try:
import ctypes
except ImportError:
HAVE_GETSHORTPATHNAME = False
else:
HAVE_GETSHORTPATHNAME = True
def _getshortpathname(path):
GSPN = ctypes.WinDLL("kernel32", use_last_error=True).GetShortPathNameW
GSPN.argtypes = [ctypes.c_wchar_p, ctypes.c_wchar_p, ctypes.c_uint32]
GSPN.restype = ctypes.c_uint32
result_len = GSPN(path, None, 0)
if not result_len:
raise OSError("failed to get short path name 0x{:08X}"
.format(ctypes.get_last_error()))
result = ctypes.create_unicode_buffer(result_len)
result_len = GSPN(path, result, result_len)
return result[:result_len]
def _norm(path):
if isinstance(path, (bytes, str, os.PathLike)):
return ntpath.normcase(os.fsdecode(path))
elif hasattr(path, "__iter__"):
return tuple(ntpath.normcase(os.fsdecode(p)) for p in path)
return path
def tester(fn, wantResult):
fn = fn.replace("\\", "\\\\")
gotResult = eval(fn)
if wantResult != gotResult and _norm(wantResult) != _norm(gotResult):
raise TestFailed("%s should return: %s but returned: %s" \
%(str(fn), str(wantResult), str(gotResult)))
# then with bytes
fn = fn.replace("('", "(b'")
fn = fn.replace('("', '(b"')
fn = fn.replace("['", "[b'")
fn = fn.replace('["', '[b"')
fn = fn.replace(", '", ", b'")
fn = fn.replace(', "', ', b"')
fn = os.fsencode(fn).decode('latin1')
fn = fn.encode('ascii', 'backslashreplace').decode('ascii')
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
gotResult = eval(fn)
if _norm(wantResult) != _norm(gotResult):
raise TestFailed("%s should return: %s but returned: %s" \
%(str(fn), str(wantResult), repr(gotResult)))
class NtpathTestCase(unittest.TestCase):
def assertPathEqual(self, path1, path2):
if path1 == path2 or _norm(path1) == _norm(path2):
return
self.assertEqual(path1, path2)
def assertPathIn(self, path, pathset):
self.assertIn(_norm(path), _norm(pathset))
class TestNtpath(NtpathTestCase):
def test_splitext(self):
tester('ntpath.splitext("foo.ext")', ('foo', '.ext'))
tester('ntpath.splitext("/foo/foo.ext")', ('/foo/foo', '.ext'))
tester('ntpath.splitext(".ext")', ('.ext', ''))
tester('ntpath.splitext("\\foo.ext\\foo")', ('\\foo.ext\\foo', ''))
tester('ntpath.splitext("foo.ext\\")', ('foo.ext\\', ''))
tester('ntpath.splitext("")', ('', ''))
tester('ntpath.splitext("foo.bar.ext")', ('foo.bar', '.ext'))
tester('ntpath.splitext("xx/foo.bar.ext")', ('xx/foo.bar', '.ext'))
tester('ntpath.splitext("xx\\foo.bar.ext")', ('xx\\foo.bar', '.ext'))
tester('ntpath.splitext("c:a/b\\c.d")', ('c:a/b\\c', '.d'))
def test_splitdrive(self):
tester("ntpath.splitdrive('')", ('', ''))
tester("ntpath.splitdrive('foo')", ('', 'foo'))
tester("ntpath.splitdrive('foo\\bar')", ('', 'foo\\bar'))
tester("ntpath.splitdrive('foo/bar')", ('', 'foo/bar'))
tester("ntpath.splitdrive('\\')", ('', '\\'))
tester("ntpath.splitdrive('/')", ('', '/'))
tester("ntpath.splitdrive('\\foo\\bar')", ('', '\\foo\\bar'))
tester("ntpath.splitdrive('/foo/bar')", ('', '/foo/bar'))
tester('ntpath.splitdrive("c:foo\\bar")', ('c:', 'foo\\bar'))
tester('ntpath.splitdrive("c:foo/bar")', ('c:', 'foo/bar'))
tester('ntpath.splitdrive("c:\\foo\\bar")', ('c:', '\\foo\\bar'))
tester('ntpath.splitdrive("c:/foo/bar")', ('c:', '/foo/bar'))
tester("ntpath.splitdrive('\\\\')", ('\\\\', ''))
tester("ntpath.splitdrive('//')", ('//', ''))
tester('ntpath.splitdrive("\\\\conky\\mountpoint\\foo\\bar")',
('\\\\conky\\mountpoint', '\\foo\\bar'))
tester('ntpath.splitdrive("//conky/mountpoint/foo/bar")',
('//conky/mountpoint', '/foo/bar'))
tester('ntpath.splitdrive("\\\\?\\UNC\\server\\share\\dir")',
("\\\\?\\UNC\\server\\share", "\\dir"))
tester('ntpath.splitdrive("//?/UNC/server/share/dir")',
("//?/UNC/server/share", "/dir"))
def test_splitroot(self):
tester("ntpath.splitroot('')", ('', '', ''))
tester("ntpath.splitroot('foo')", ('', '', 'foo'))
tester("ntpath.splitroot('foo\\bar')", ('', '', 'foo\\bar'))
tester("ntpath.splitroot('foo/bar')", ('', '', 'foo/bar'))
tester("ntpath.splitroot('\\')", ('', '\\', ''))
tester("ntpath.splitroot('/')", ('', '/', ''))
tester("ntpath.splitroot('\\foo\\bar')", ('', '\\', 'foo\\bar'))
tester("ntpath.splitroot('/foo/bar')", ('', '/', 'foo/bar'))
tester('ntpath.splitroot("c:foo\\bar")', ('c:', '', 'foo\\bar'))
tester('ntpath.splitroot("c:foo/bar")', ('c:', '', 'foo/bar'))
tester('ntpath.splitroot("c:\\foo\\bar")', ('c:', '\\', 'foo\\bar'))
tester('ntpath.splitroot("c:/foo/bar")', ('c:', '/', 'foo/bar'))
# Redundant slashes are not included in the root.
tester("ntpath.splitroot('c:\\\\a')", ('c:', '\\', '\\a'))
tester("ntpath.splitroot('c:\\\\\\a/b')", ('c:', '\\', '\\\\a/b'))
# Mixed path separators.
tester("ntpath.splitroot('c:/\\')", ('c:', '/', '\\'))
tester("ntpath.splitroot('c:\\/')", ('c:', '\\', '/'))
tester("ntpath.splitroot('/\\a/b\\/\\')", ('/\\a/b', '\\', '/\\'))
tester("ntpath.splitroot('\\/a\\b/\\/')", ('\\/a\\b', '/', '\\/'))
# UNC paths.
tester("ntpath.splitroot('\\\\')", ('\\\\', '', ''))
tester("ntpath.splitroot('//')", ('//', '', ''))
tester('ntpath.splitroot("\\\\conky\\mountpoint\\foo\\bar")',
('\\\\conky\\mountpoint', '\\', 'foo\\bar'))
tester('ntpath.splitroot("//conky/mountpoint/foo/bar")',
('//conky/mountpoint', '/', 'foo/bar'))
tester('ntpath.splitroot("\\\\\\conky\\mountpoint\\foo\\bar")',
('\\\\\\conky', '\\', 'mountpoint\\foo\\bar'))
tester('ntpath.splitroot("///conky/mountpoint/foo/bar")',
('///conky', '/', 'mountpoint/foo/bar'))
tester('ntpath.splitroot("\\\\conky\\\\mountpoint\\foo\\bar")',
('\\\\conky\\', '\\', 'mountpoint\\foo\\bar'))
tester('ntpath.splitroot("//conky//mountpoint/foo/bar")',
('//conky/', '/', 'mountpoint/foo/bar'))
# Issue #19911: UNC part containing U+0130
self.assertEqual(ntpath.splitroot('//conky/MOUNTPOİNT/foo/bar'),
('//conky/MOUNTPOİNT', '/', 'foo/bar'))
# gh-81790: support device namespace, including UNC drives.
tester('ntpath.splitroot("//?/c:")', ("//?/c:", "", ""))
tester('ntpath.splitroot("//./c:")', ("//./c:", "", ""))
tester('ntpath.splitroot("//?/c:/")', ("//?/c:", "/", ""))
tester('ntpath.splitroot("//?/c:/dir")', ("//?/c:", "/", "dir"))
tester('ntpath.splitroot("//?/UNC")', ("//?/UNC", "", ""))
tester('ntpath.splitroot("//?/UNC/")', ("//?/UNC/", "", ""))
tester('ntpath.splitroot("//?/UNC/server/")', ("//?/UNC/server/", "", ""))
tester('ntpath.splitroot("//?/UNC/server/share")', ("//?/UNC/server/share", "", ""))
tester('ntpath.splitroot("//?/UNC/server/share/dir")', ("//?/UNC/server/share", "/", "dir"))
tester('ntpath.splitroot("//?/VOLUME{00000000-0000-0000-0000-000000000000}/spam")',
('//?/VOLUME{00000000-0000-0000-0000-000000000000}', '/', 'spam'))
tester('ntpath.splitroot("//?/BootPartition/")', ("//?/BootPartition", "/", ""))
tester('ntpath.splitroot("//./BootPartition/")', ("//./BootPartition", "/", ""))
tester('ntpath.splitroot("//./PhysicalDrive0")', ("//./PhysicalDrive0", "", ""))
tester('ntpath.splitroot("//./nul")', ("//./nul", "", ""))
tester('ntpath.splitroot("\\\\?\\c:")', ("\\\\?\\c:", "", ""))
tester('ntpath.splitroot("\\\\.\\c:")', ("\\\\.\\c:", "", ""))
tester('ntpath.splitroot("\\\\?\\c:\\")', ("\\\\?\\c:", "\\", ""))
tester('ntpath.splitroot("\\\\?\\c:\\dir")', ("\\\\?\\c:", "\\", "dir"))
tester('ntpath.splitroot("\\\\?\\UNC")', ("\\\\?\\UNC", "", ""))
tester('ntpath.splitroot("\\\\?\\UNC\\")', ("\\\\?\\UNC\\", "", ""))
tester('ntpath.splitroot("\\\\?\\UNC\\server\\")', ("\\\\?\\UNC\\server\\", "", ""))
tester('ntpath.splitroot("\\\\?\\UNC\\server\\share")',
("\\\\?\\UNC\\server\\share", "", ""))
tester('ntpath.splitroot("\\\\?\\UNC\\server\\share\\dir")',
("\\\\?\\UNC\\server\\share", "\\", "dir"))
tester('ntpath.splitroot("\\\\?\\VOLUME{00000000-0000-0000-0000-000000000000}\\spam")',
('\\\\?\\VOLUME{00000000-0000-0000-0000-000000000000}', '\\', 'spam'))
tester('ntpath.splitroot("\\\\?\\BootPartition\\")', ("\\\\?\\BootPartition", "\\", ""))
tester('ntpath.splitroot("\\\\.\\BootPartition\\")', ("\\\\.\\BootPartition", "\\", ""))
tester('ntpath.splitroot("\\\\.\\PhysicalDrive0")', ("\\\\.\\PhysicalDrive0", "", ""))
tester('ntpath.splitroot("\\\\.\\nul")', ("\\\\.\\nul", "", ""))
# gh-96290: support partial/invalid UNC drives
tester('ntpath.splitroot("//")', ("//", "", "")) # empty server & missing share
tester('ntpath.splitroot("///")', ("///", "", "")) # empty server & empty share
tester('ntpath.splitroot("///y")', ("///y", "", "")) # empty server & non-empty share
tester('ntpath.splitroot("//x")', ("//x", "", "")) # non-empty server & missing share
tester('ntpath.splitroot("//x/")', ("//x/", "", "")) # non-empty server & empty share
# gh-101363: match GetFullPathNameW() drive letter parsing behaviour
tester('ntpath.splitroot(" :/foo")', (" :", "/", "foo"))
tester('ntpath.splitroot("/:/foo")', ("", "/", ":/foo"))
def test_split(self):
tester('ntpath.split("c:\\foo\\bar")', ('c:\\foo', 'bar'))
tester('ntpath.split("\\\\conky\\mountpoint\\foo\\bar")',
('\\\\conky\\mountpoint\\foo', 'bar'))
tester('ntpath.split("c:\\")', ('c:\\', ''))
tester('ntpath.split("\\\\conky\\mountpoint\\")',
('\\\\conky\\mountpoint\\', ''))
tester('ntpath.split("c:/")', ('c:/', ''))
tester('ntpath.split("//conky/mountpoint/")', ('//conky/mountpoint/', ''))
def test_isabs(self):
tester('ntpath.isabs("foo\\bar")', 0)
tester('ntpath.isabs("foo/bar")', 0)
tester('ntpath.isabs("c:\\")', 1)
tester('ntpath.isabs("c:\\foo\\bar")', 1)
tester('ntpath.isabs("c:/foo/bar")', 1)
tester('ntpath.isabs("\\\\conky\\mountpoint\\")', 1)
# gh-44626: paths with only a drive or root are not absolute.
tester('ntpath.isabs("\\foo\\bar")', 0)
tester('ntpath.isabs("/foo/bar")', 0)
tester('ntpath.isabs("c:foo\\bar")', 0)
tester('ntpath.isabs("c:foo/bar")', 0)
# gh-96290: normal UNC paths and device paths without trailing backslashes
tester('ntpath.isabs("\\\\conky\\mountpoint")', 1)
tester('ntpath.isabs("\\\\.\\C:")', 1)
def test_commonprefix(self):
tester('ntpath.commonprefix(["/home/swenson/spam", "/home/swen/spam"])',
"/home/swen")
tester('ntpath.commonprefix(["\\home\\swen\\spam", "\\home\\swen\\eggs"])',
"\\home\\swen\\")
tester('ntpath.commonprefix(["/home/swen/spam", "/home/swen/spam"])',
"/home/swen/spam")
def test_join(self):
tester('ntpath.join("")', '')
tester('ntpath.join("", "", "")', '')
tester('ntpath.join("a")', 'a')
tester('ntpath.join("/a")', '/a')
tester('ntpath.join("\\a")', '\\a')
tester('ntpath.join("a:")', 'a:')
tester('ntpath.join("a:", "\\b")', 'a:\\b')
tester('ntpath.join("a", "\\b")', '\\b')
tester('ntpath.join("a", "b", "c")', 'a\\b\\c')
tester('ntpath.join("a\\", "b", "c")', 'a\\b\\c')
tester('ntpath.join("a", "b\\", "c")', 'a\\b\\c')
tester('ntpath.join("a", "b", "c\\")', 'a\\b\\c\\')
tester('ntpath.join("a", "b", "\\c")', '\\c')
tester('ntpath.join("d:\\", "\\pleep")', 'd:\\pleep')
tester('ntpath.join("d:\\", "a", "b")', 'd:\\a\\b')
tester("ntpath.join('', 'a')", 'a')
tester("ntpath.join('', '', '', '', 'a')", 'a')
tester("ntpath.join('a', '')", 'a\\')
tester("ntpath.join('a', '', '', '', '')", 'a\\')
tester("ntpath.join('a\\', '')", 'a\\')
tester("ntpath.join('a\\', '', '', '', '')", 'a\\')
tester("ntpath.join('a/', '')", 'a/')
tester("ntpath.join('a/b', 'x/y')", 'a/b\\x/y')
tester("ntpath.join('/a/b', 'x/y')", '/a/b\\x/y')
tester("ntpath.join('/a/b/', 'x/y')", '/a/b/x/y')
tester("ntpath.join('c:', 'x/y')", 'c:x/y')
tester("ntpath.join('c:a/b', 'x/y')", 'c:a/b\\x/y')
tester("ntpath.join('c:a/b/', 'x/y')", 'c:a/b/x/y')
tester("ntpath.join('c:/', 'x/y')", 'c:/x/y')
tester("ntpath.join('c:/a/b', 'x/y')", 'c:/a/b\\x/y')
tester("ntpath.join('c:/a/b/', 'x/y')", 'c:/a/b/x/y')
tester("ntpath.join('//computer/share', 'x/y')", '//computer/share\\x/y')
tester("ntpath.join('//computer/share/', 'x/y')", '//computer/share/x/y')
tester("ntpath.join('//computer/share/a/b', 'x/y')", '//computer/share/a/b\\x/y')
tester("ntpath.join('a/b', '/x/y')", '/x/y')
tester("ntpath.join('/a/b', '/x/y')", '/x/y')
tester("ntpath.join('c:', '/x/y')", 'c:/x/y')
tester("ntpath.join('c:a/b', '/x/y')", 'c:/x/y')
tester("ntpath.join('c:/', '/x/y')", 'c:/x/y')
tester("ntpath.join('c:/a/b', '/x/y')", 'c:/x/y')
tester("ntpath.join('//computer/share', '/x/y')", '//computer/share/x/y')
tester("ntpath.join('//computer/share/', '/x/y')", '//computer/share/x/y')
tester("ntpath.join('//computer/share/a', '/x/y')", '//computer/share/x/y')
tester("ntpath.join('c:', 'C:x/y')", 'C:x/y')
tester("ntpath.join('c:a/b', 'C:x/y')", 'C:a/b\\x/y')
tester("ntpath.join('c:/', 'C:x/y')", 'C:/x/y')
tester("ntpath.join('c:/a/b', 'C:x/y')", 'C:/a/b\\x/y')
for x in ('', 'a/b', '/a/b', 'c:', 'c:a/b', 'c:/', 'c:/a/b',
'//computer/share', '//computer/share/', '//computer/share/a/b'):
for y in ('d:', 'd:x/y', 'd:/', 'd:/x/y',
'//machine/common', '//machine/common/', '//machine/common/x/y'):
tester("ntpath.join(%r, %r)" % (x, y), y)
tester("ntpath.join('\\\\computer\\share\\', 'a', 'b')", '\\\\computer\\share\\a\\b')
tester("ntpath.join('\\\\computer\\share', 'a', 'b')", '\\\\computer\\share\\a\\b')
tester("ntpath.join('\\\\computer\\share', 'a\\b')", '\\\\computer\\share\\a\\b')
tester("ntpath.join('//computer/share/', 'a', 'b')", '//computer/share/a\\b')
tester("ntpath.join('//computer/share', 'a', 'b')", '//computer/share\\a\\b')
tester("ntpath.join('//computer/share', 'a/b')", '//computer/share\\a/b')
tester("ntpath.join('\\\\', 'computer')", '\\\\computer')
tester("ntpath.join('\\\\computer\\', 'share')", '\\\\computer\\share')
tester("ntpath.join('\\\\computer\\share\\', 'a')", '\\\\computer\\share\\a')
tester("ntpath.join('\\\\computer\\share\\a\\', 'b')", '\\\\computer\\share\\a\\b')
# Second part is anchored, so that the first part is ignored.
tester("ntpath.join('a', 'Z:b', 'c')", 'Z:b\\c')
tester("ntpath.join('a', 'Z:\\b', 'c')", 'Z:\\b\\c')
tester("ntpath.join('a', '\\\\b\\c', 'd')", '\\\\b\\c\\d')
# Second part has a root but not drive.
tester("ntpath.join('a', '\\b', 'c')", '\\b\\c')
tester("ntpath.join('Z:/a', '/b', 'c')", 'Z:\\b\\c')
tester("ntpath.join('//?/Z:/a', '/b', 'c')", '\\\\?\\Z:\\b\\c')
tester("ntpath.join('D:a', './c:b')", 'D:a\\.\\c:b')
tester("ntpath.join('D:/a', './c:b')", 'D:\\a\\.\\c:b')
def test_normpath(self):
tester("ntpath.normpath('A//////././//.//B')", r'A\B')
tester("ntpath.normpath('A/./B')", r'A\B')
tester("ntpath.normpath('A/foo/../B')", r'A\B')
tester("ntpath.normpath('C:A//B')", r'C:A\B')
tester("ntpath.normpath('D:A/./B')", r'D:A\B')
tester("ntpath.normpath('e:A/foo/../B')", r'e:A\B')
tester("ntpath.normpath('C:///A//B')", r'C:\A\B')
tester("ntpath.normpath('D:///A/./B')", r'D:\A\B')
tester("ntpath.normpath('e:///A/foo/../B')", r'e:\A\B')
tester("ntpath.normpath('..')", r'..')
tester("ntpath.normpath('.')", r'.')
tester("ntpath.normpath('c:.')", 'c:')
tester("ntpath.normpath('')", r'.')
tester("ntpath.normpath('/')", '\\')
tester("ntpath.normpath('c:/')", 'c:\\')
tester("ntpath.normpath('/../.././..')", '\\')
tester("ntpath.normpath('c:/../../..')", 'c:\\')
tester("ntpath.normpath('/./a/b')", r'\a\b')
tester("ntpath.normpath('c:/./a/b')", r'c:\a\b')
tester("ntpath.normpath('../.././..')", r'..\..\..')
tester("ntpath.normpath('K:../.././..')", r'K:..\..\..')
tester("ntpath.normpath('./a/b')", r'a\b')
tester("ntpath.normpath('c:./a/b')", r'c:a\b')
tester("ntpath.normpath('C:////a/b')", r'C:\a\b')
tester("ntpath.normpath('//machine/share//a/b')", r'\\machine\share\a\b')
tester("ntpath.normpath('\\\\.\\NUL')", r'\\.\NUL')
tester("ntpath.normpath('\\\\?\\D:/XY\\Z')", r'\\?\D:/XY\Z')
tester("ntpath.normpath('handbook/../../Tests/image.png')", r'..\Tests\image.png')
tester("ntpath.normpath('handbook/../../../Tests/image.png')", r'..\..\Tests\image.png')
tester("ntpath.normpath('handbook///../a/.././../b/c')", r'..\b\c')
tester("ntpath.normpath('handbook/a/../..///../../b/c')", r'..\..\b\c')
tester("ntpath.normpath('//server/share/..')" , '\\\\server\\share\\')
tester("ntpath.normpath('//server/share/../')" , '\\\\server\\share\\')
tester("ntpath.normpath('//server/share/../..')", '\\\\server\\share\\')
tester("ntpath.normpath('//server/share/../../')", '\\\\server\\share\\')
# gh-96290: don't normalize partial/invalid UNC drives as rooted paths.
tester("ntpath.normpath('\\\\foo\\\\')", '\\\\foo\\\\')
tester("ntpath.normpath('\\\\foo\\')", '\\\\foo\\')
tester("ntpath.normpath('\\\\foo')", '\\\\foo')
tester("ntpath.normpath('\\\\')", '\\\\')
tester("ntpath.normpath('//?/UNC/server/share/..')", '\\\\?\\UNC\\server\\share\\')
def test_realpath_curdir(self):
expected = ntpath.normpath(os.getcwd())
tester("ntpath.realpath('.')", expected)
tester("ntpath.realpath('./.')", expected)
tester("ntpath.realpath('/'.join(['.'] * 100))", expected)
tester("ntpath.realpath('.\\.')", expected)
tester("ntpath.realpath('\\'.join(['.'] * 100))", expected)
def test_realpath_pardir(self):
expected = ntpath.normpath(os.getcwd())
tester("ntpath.realpath('..')", ntpath.dirname(expected))
tester("ntpath.realpath('../..')",
ntpath.dirname(ntpath.dirname(expected)))
tester("ntpath.realpath('/'.join(['..'] * 50))",
ntpath.splitdrive(expected)[0] + '\\')
tester("ntpath.realpath('..\\..')",
ntpath.dirname(ntpath.dirname(expected)))
tester("ntpath.realpath('\\'.join(['..'] * 50))",
ntpath.splitdrive(expected)[0] + '\\')
@os_helper.skip_unless_symlink
@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')
def test_realpath_basic(self):
ABSTFN = ntpath.abspath(os_helper.TESTFN)
open(ABSTFN, "wb").close()
self.addCleanup(os_helper.unlink, ABSTFN)
self.addCleanup(os_helper.unlink, ABSTFN + "1")
os.symlink(ABSTFN, ABSTFN + "1")
self.assertPathEqual(ntpath.realpath(ABSTFN + "1"), ABSTFN)
self.assertPathEqual(ntpath.realpath(os.fsencode(ABSTFN + "1")),
os.fsencode(ABSTFN))
# gh-88013: call ntpath.realpath with binary drive name may raise a
# TypeError. The drive should not exist to reproduce the bug.
drives = {f"{c}:\\" for c in string.ascii_uppercase} - set(os.listdrives())
d = drives.pop().encode()
self.assertEqual(ntpath.realpath(d), d)
# gh-106242: Embedded nulls and non-strict fallback to abspath
self.assertEqual(ABSTFN + "\0spam",
ntpath.realpath(os_helper.TESTFN + "\0spam", strict=False))
@os_helper.skip_unless_symlink
@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')
def test_realpath_strict(self):
# Bug #43757: raise FileNotFoundError in strict mode if we encounter
# a path that does not exist.
ABSTFN = ntpath.abspath(os_helper.TESTFN)
os.symlink(ABSTFN + "1", ABSTFN)
self.addCleanup(os_helper.unlink, ABSTFN)
self.assertRaises(FileNotFoundError, ntpath.realpath, ABSTFN, strict=True)
self.assertRaises(FileNotFoundError, ntpath.realpath, ABSTFN + "2", strict=True)
# gh-106242: Embedded nulls should raise OSError (not ValueError)
self.assertRaises(OSError, ntpath.realpath, ABSTFN + "\0spam", strict=True)
@os_helper.skip_unless_symlink
@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')
def test_realpath_relative(self):
ABSTFN = ntpath.abspath(os_helper.TESTFN)
open(ABSTFN, "wb").close()
self.addCleanup(os_helper.unlink, ABSTFN)
self.addCleanup(os_helper.unlink, ABSTFN + "1")
os.symlink(ABSTFN, ntpath.relpath(ABSTFN + "1"))
self.assertPathEqual(ntpath.realpath(ABSTFN + "1"), ABSTFN)
@os_helper.skip_unless_symlink
@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')
def test_realpath_broken_symlinks(self):
ABSTFN = ntpath.abspath(os_helper.TESTFN)
os.mkdir(ABSTFN)
self.addCleanup(os_helper.rmtree, ABSTFN)
with os_helper.change_cwd(ABSTFN):
os.mkdir("subdir")
os.chdir("subdir")
os.symlink(".", "recursive")
os.symlink("..", "parent")
os.chdir("..")
os.symlink(".", "self")
os.symlink("missing", "broken")
os.symlink(r"broken\bar", "broken1")
os.symlink(r"self\self\broken", "broken2")
os.symlink(r"subdir\parent\subdir\parent\broken", "broken3")
os.symlink(ABSTFN + r"\broken", "broken4")
os.symlink(r"recursive\..\broken", "broken5")
self.assertPathEqual(ntpath.realpath("broken"),
ABSTFN + r"\missing")
self.assertPathEqual(ntpath.realpath(r"broken\foo"),
ABSTFN + r"\missing\foo")
# bpo-38453: We no longer recursively resolve segments of relative
# symlinks that the OS cannot resolve.
self.assertPathEqual(ntpath.realpath(r"broken1"),
ABSTFN + r"\broken\bar")
self.assertPathEqual(ntpath.realpath(r"broken1\baz"),
ABSTFN + r"\broken\bar\baz")
self.assertPathEqual(ntpath.realpath("broken2"),
ABSTFN + r"\self\self\missing")
self.assertPathEqual(ntpath.realpath("broken3"),
ABSTFN + r"\subdir\parent\subdir\parent\missing")
self.assertPathEqual(ntpath.realpath("broken4"),
ABSTFN + r"\missing")
self.assertPathEqual(ntpath.realpath("broken5"),
ABSTFN + r"\missing")
self.assertPathEqual(ntpath.realpath(b"broken"),
os.fsencode(ABSTFN + r"\missing"))
self.assertPathEqual(ntpath.realpath(rb"broken\foo"),
os.fsencode(ABSTFN + r"\missing\foo"))
self.assertPathEqual(ntpath.realpath(rb"broken1"),
os.fsencode(ABSTFN + r"\broken\bar"))
self.assertPathEqual(ntpath.realpath(rb"broken1\baz"),
os.fsencode(ABSTFN + r"\broken\bar\baz"))
self.assertPathEqual(ntpath.realpath(b"broken2"),
os.fsencode(ABSTFN + r"\self\self\missing"))
self.assertPathEqual(ntpath.realpath(rb"broken3"),
os.fsencode(ABSTFN + r"\subdir\parent\subdir\parent\missing"))
self.assertPathEqual(ntpath.realpath(b"broken4"),
os.fsencode(ABSTFN + r"\missing"))
self.assertPathEqual(ntpath.realpath(b"broken5"),
os.fsencode(ABSTFN + r"\missing"))
@os_helper.skip_unless_symlink
@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')
def test_realpath_symlink_loops(self):
# Symlink loops in non-strict mode are non-deterministic as to which
# path is returned, but it will always be the fully resolved path of
# one member of the cycle
ABSTFN = ntpath.abspath(os_helper.TESTFN)
self.addCleanup(os_helper.unlink, ABSTFN)
self.addCleanup(os_helper.unlink, ABSTFN + "1")
self.addCleanup(os_helper.unlink, ABSTFN + "2")
self.addCleanup(os_helper.unlink, ABSTFN + "y")
self.addCleanup(os_helper.unlink, ABSTFN + "c")
self.addCleanup(os_helper.unlink, ABSTFN + "a")
os.symlink(ABSTFN, ABSTFN)
self.assertPathEqual(ntpath.realpath(ABSTFN), ABSTFN)
os.symlink(ABSTFN + "1", ABSTFN + "2")
os.symlink(ABSTFN + "2", ABSTFN + "1")
expected = (ABSTFN + "1", ABSTFN + "2")
self.assertPathIn(ntpath.realpath(ABSTFN + "1"), expected)
self.assertPathIn(ntpath.realpath(ABSTFN + "2"), expected)
self.assertPathIn(ntpath.realpath(ABSTFN + "1\\x"),
(ntpath.join(r, "x") for r in expected))
self.assertPathEqual(ntpath.realpath(ABSTFN + "1\\.."),
ntpath.dirname(ABSTFN))
self.assertPathEqual(ntpath.realpath(ABSTFN + "1\\..\\x"),
ntpath.dirname(ABSTFN) + "\\x")
os.symlink(ABSTFN + "x", ABSTFN + "y")
self.assertPathEqual(ntpath.realpath(ABSTFN + "1\\..\\"
+ ntpath.basename(ABSTFN) + "y"),
ABSTFN + "x")
self.assertPathIn(ntpath.realpath(ABSTFN + "1\\..\\"
+ ntpath.basename(ABSTFN) + "1"),
expected)
os.symlink(ntpath.basename(ABSTFN) + "a\\b", ABSTFN + "a")
self.assertPathEqual(ntpath.realpath(ABSTFN + "a"), ABSTFN + "a")
os.symlink("..\\" + ntpath.basename(ntpath.dirname(ABSTFN))
+ "\\" + ntpath.basename(ABSTFN) + "c", ABSTFN + "c")
self.assertPathEqual(ntpath.realpath(ABSTFN + "c"), ABSTFN + "c")
# Test using relative path as well.
self.assertPathEqual(ntpath.realpath(ntpath.basename(ABSTFN)), ABSTFN)
@os_helper.skip_unless_symlink
@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')
def test_realpath_symlink_loops_strict(self):
# Symlink loops raise OSError in strict mode
ABSTFN = ntpath.abspath(os_helper.TESTFN)
self.addCleanup(os_helper.unlink, ABSTFN)
self.addCleanup(os_helper.unlink, ABSTFN + "1")
self.addCleanup(os_helper.unlink, ABSTFN + "2")
self.addCleanup(os_helper.unlink, ABSTFN + "y")
self.addCleanup(os_helper.unlink, ABSTFN + "c")
self.addCleanup(os_helper.unlink, ABSTFN + "a")
os.symlink(ABSTFN, ABSTFN)
self.assertRaises(OSError, ntpath.realpath, ABSTFN, strict=True)
os.symlink(ABSTFN + "1", ABSTFN + "2")
os.symlink(ABSTFN + "2", ABSTFN + "1")
self.assertRaises(OSError, ntpath.realpath, ABSTFN + "1", strict=True)
self.assertRaises(OSError, ntpath.realpath, ABSTFN + "2", strict=True)
self.assertRaises(OSError, ntpath.realpath, ABSTFN + "1\\x", strict=True)
# Windows eliminates '..' components before resolving links, so the
# following call is not expected to raise.
self.assertPathEqual(ntpath.realpath(ABSTFN + "1\\..", strict=True),
ntpath.dirname(ABSTFN))
self.assertRaises(OSError, ntpath.realpath, ABSTFN + "1\\..\\x", strict=True)
os.symlink(ABSTFN + "x", ABSTFN + "y")
self.assertRaises(OSError, ntpath.realpath, ABSTFN + "1\\..\\"
+ ntpath.basename(ABSTFN) + "y",
strict=True)
self.assertRaises(OSError, ntpath.realpath,
ABSTFN + "1\\..\\" + ntpath.basename(ABSTFN) + "1",
strict=True)
os.symlink(ntpath.basename(ABSTFN) + "a\\b", ABSTFN + "a")
self.assertRaises(OSError, ntpath.realpath, ABSTFN + "a", strict=True)
os.symlink("..\\" + ntpath.basename(ntpath.dirname(ABSTFN))
+ "\\" + ntpath.basename(ABSTFN) + "c", ABSTFN + "c")
self.assertRaises(OSError, ntpath.realpath, ABSTFN + "c", strict=True)
# Test using relative path as well.
self.assertRaises(OSError, ntpath.realpath, ntpath.basename(ABSTFN),
strict=True)
@os_helper.skip_unless_symlink
@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')
def test_realpath_symlink_prefix(self):
ABSTFN = ntpath.abspath(os_helper.TESTFN)
self.addCleanup(os_helper.unlink, ABSTFN + "3")
self.addCleanup(os_helper.unlink, "\\\\?\\" + ABSTFN + "3.")
self.addCleanup(os_helper.unlink, ABSTFN + "3link")
self.addCleanup(os_helper.unlink, ABSTFN + "3.link")
with open(ABSTFN + "3", "wb") as f:
f.write(b'0')
os.symlink(ABSTFN + "3", ABSTFN + "3link")
with open("\\\\?\\" + ABSTFN + "3.", "wb") as f:
f.write(b'1')
os.symlink("\\\\?\\" + ABSTFN + "3.", ABSTFN + "3.link")
self.assertPathEqual(ntpath.realpath(ABSTFN + "3link"),
ABSTFN + "3")
self.assertPathEqual(ntpath.realpath(ABSTFN + "3.link"),
"\\\\?\\" + ABSTFN + "3.")
# Resolved paths should be usable to open target files
with open(ntpath.realpath(ABSTFN + "3link"), "rb") as f:
self.assertEqual(f.read(), b'0')
with open(ntpath.realpath(ABSTFN + "3.link"), "rb") as f:
self.assertEqual(f.read(), b'1')
# When the prefix is included, it is not stripped
self.assertPathEqual(ntpath.realpath("\\\\?\\" + ABSTFN + "3link"),
"\\\\?\\" + ABSTFN + "3")
self.assertPathEqual(ntpath.realpath("\\\\?\\" + ABSTFN + "3.link"),
"\\\\?\\" + ABSTFN + "3.")
@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')
def test_realpath_nul(self):
tester("ntpath.realpath('NUL')", r'\\.\NUL')
@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')
@unittest.skipUnless(HAVE_GETSHORTPATHNAME, 'need _getshortpathname')
def test_realpath_cwd(self):
ABSTFN = ntpath.abspath(os_helper.TESTFN)
os_helper.unlink(ABSTFN)
os_helper.rmtree(ABSTFN)
os.mkdir(ABSTFN)
self.addCleanup(os_helper.rmtree, ABSTFN)
test_dir_long = ntpath.join(ABSTFN, "MyVeryLongDirectoryName")
os.mkdir(test_dir_long)
test_dir_short = _getshortpathname(test_dir_long)
test_file_long = ntpath.join(test_dir_long, "file.txt")
test_file_short = ntpath.join(test_dir_short, "file.txt")
with open(test_file_long, "wb") as f:
f.write(b"content")
self.assertPathEqual(test_file_long, ntpath.realpath(test_file_short))
with os_helper.change_cwd(test_dir_long):
self.assertPathEqual(test_file_long, ntpath.realpath("file.txt"))
with os_helper.change_cwd(test_dir_long.lower()):
self.assertPathEqual(test_file_long, ntpath.realpath("file.txt"))
with os_helper.change_cwd(test_dir_short):
self.assertPathEqual(test_file_long, ntpath.realpath("file.txt"))
@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')
def test_realpath_permission(self):
# Test whether python can resolve the real filename of a
# shortened file name even if it does not have permission to access it.
ABSTFN = ntpath.realpath(os_helper.TESTFN)
os_helper.unlink(ABSTFN)
os_helper.rmtree(ABSTFN)
os.mkdir(ABSTFN)
self.addCleanup(os_helper.rmtree, ABSTFN)
test_file = ntpath.join(ABSTFN, "LongFileName123.txt")
test_file_short = ntpath.join(ABSTFN, "LONGFI~1.TXT")
with open(test_file, "wb") as f:
f.write(b"content")
# Automatic generation of short names may be disabled on
# NTFS volumes for the sake of performance.
# They're not supported at all on ReFS and exFAT.
subprocess.run(
# Try to set the short name manually.
['fsutil.exe', 'file', 'setShortName', test_file, 'LONGFI~1.TXT'],
creationflags=subprocess.DETACHED_PROCESS
)
try:
self.assertPathEqual(test_file, ntpath.realpath(test_file_short))
except AssertionError:
raise unittest.SkipTest('the filesystem seems to lack support for short filenames')
# Deny the right to [S]YNCHRONIZE on the file to
# force nt._getfinalpathname to fail with ERROR_ACCESS_DENIED.
p = subprocess.run(
['icacls.exe', test_file, '/deny', '*S-1-5-32-545:(S)'],
creationflags=subprocess.DETACHED_PROCESS
)
if p.returncode:
raise unittest.SkipTest('failed to deny access to the test file')
self.assertPathEqual(test_file, ntpath.realpath(test_file_short))
def test_expandvars(self):
with os_helper.EnvironmentVarGuard() as env:
env.clear()
env["foo"] = "bar"
env["{foo"] = "baz1"
env["{foo}"] = "baz2"
tester('ntpath.expandvars("foo")', "foo")
tester('ntpath.expandvars("$foo bar")', "bar bar")
tester('ntpath.expandvars("${foo}bar")', "barbar")
tester('ntpath.expandvars("$[foo]bar")', "$[foo]bar")
tester('ntpath.expandvars("$bar bar")', "$bar bar")
tester('ntpath.expandvars("$?bar")', "$?bar")
tester('ntpath.expandvars("$foo}bar")', "bar}bar")
tester('ntpath.expandvars("${foo")', "${foo")
tester('ntpath.expandvars("${{foo}}")', "baz1}")
tester('ntpath.expandvars("$foo$foo")', "barbar")
tester('ntpath.expandvars("$bar$bar")', "$bar$bar")
tester('ntpath.expandvars("%foo% bar")', "bar bar")
tester('ntpath.expandvars("%foo%bar")', "barbar")
tester('ntpath.expandvars("%foo%%foo%")', "barbar")
tester('ntpath.expandvars("%%foo%%foo%foo%")', "%foo%foobar")
tester('ntpath.expandvars("%?bar%")', "%?bar%")
tester('ntpath.expandvars("%foo%%bar")', "bar%bar")
tester('ntpath.expandvars("\'%foo%\'%bar")', "\'%foo%\'%bar")
tester('ntpath.expandvars("bar\'%foo%")', "bar\'%foo%")
@unittest.skipUnless(os_helper.FS_NONASCII, 'need os_helper.FS_NONASCII')
def test_expandvars_nonascii(self):
def check(value, expected):
tester('ntpath.expandvars(%r)' % value, expected)
with os_helper.EnvironmentVarGuard() as env:
env.clear()
nonascii = os_helper.FS_NONASCII
env['spam'] = nonascii
env[nonascii] = 'ham' + nonascii
check('$spam bar', '%s bar' % nonascii)
check('$%s bar' % nonascii, '$%s bar' % nonascii)
check('${spam}bar', '%sbar' % nonascii)
check('${%s}bar' % nonascii, 'ham%sbar' % nonascii)
check('$spam}bar', '%s}bar' % nonascii)
check('$%s}bar' % nonascii, '$%s}bar' % nonascii)
check('%spam% bar', '%s bar' % nonascii)
check('%{}% bar'.format(nonascii), 'ham%s bar' % nonascii)
check('%spam%bar', '%sbar' % nonascii)
check('%{}%bar'.format(nonascii), 'ham%sbar' % nonascii)
def test_expanduser(self):
tester('ntpath.expanduser("test")', 'test')
with os_helper.EnvironmentVarGuard() as env:
env.clear()
tester('ntpath.expanduser("~test")', '~test')
env['HOMEDRIVE'] = 'C:\\'
env['HOMEPATH'] = 'Users\\eric'
env['USERNAME'] = 'eric'
tester('ntpath.expanduser("~test")', 'C:\\Users\\test')
tester('ntpath.expanduser("~")', 'C:\\Users\\eric')
del env['HOMEDRIVE']
tester('ntpath.expanduser("~test")', 'Users\\test')
tester('ntpath.expanduser("~")', 'Users\\eric')
env.clear()
env['USERPROFILE'] = 'C:\\Users\\eric'
env['USERNAME'] = 'eric'
tester('ntpath.expanduser("~test")', 'C:\\Users\\test')
tester('ntpath.expanduser("~")', 'C:\\Users\\eric')
tester('ntpath.expanduser("~test\\foo\\bar")',
'C:\\Users\\test\\foo\\bar')
tester('ntpath.expanduser("~test/foo/bar")',
'C:\\Users\\test/foo/bar')
tester('ntpath.expanduser("~\\foo\\bar")',
'C:\\Users\\eric\\foo\\bar')
tester('ntpath.expanduser("~/foo/bar")',
'C:\\Users\\eric/foo/bar')
# bpo-36264: ignore `HOME` when set on windows
env.clear()
env['HOME'] = 'F:\\'
env['USERPROFILE'] = 'C:\\Users\\eric'
env['USERNAME'] = 'eric'
tester('ntpath.expanduser("~test")', 'C:\\Users\\test')
tester('ntpath.expanduser("~")', 'C:\\Users\\eric')
# bpo-39899: don't guess another user's home directory if
# `%USERNAME% != basename(%USERPROFILE%)`
env.clear()
env['USERPROFILE'] = 'C:\\Users\\eric'
env['USERNAME'] = 'idle'
tester('ntpath.expanduser("~test")', '~test')
tester('ntpath.expanduser("~")', 'C:\\Users\\eric')
@unittest.skipUnless(nt, "abspath requires 'nt' module")
def test_abspath(self):
tester('ntpath.abspath("C:\\")', "C:\\")
tester('ntpath.abspath("\\\\?\\C:////spam////eggs. . .")', "\\\\?\\C:\\spam\\eggs")
tester('ntpath.abspath("\\\\.\\C:////spam////eggs. . .")', "\\\\.\\C:\\spam\\eggs")
tester('ntpath.abspath("//spam//eggs. . .")', "\\\\spam\\eggs")
tester('ntpath.abspath("\\\\spam\\\\eggs. . .")', "\\\\spam\\eggs")
tester('ntpath.abspath("C:/spam. . .")', "C:\\spam")
tester('ntpath.abspath("C:\\spam. . .")', "C:\\spam")
tester('ntpath.abspath("C:/nul")', "\\\\.\\nul")
tester('ntpath.abspath("C:\\nul")', "\\\\.\\nul")
self.assertTrue(ntpath.isabs(ntpath.abspath("C:spam")))
self.assertEqual(ntpath.abspath("C:\x00"), ntpath.join(ntpath.abspath("C:"), "\x00"))
self.assertEqual(ntpath.abspath("\x00:spam"), "\x00:\\spam")
tester('ntpath.abspath("//..")', "\\\\")
tester('ntpath.abspath("//../")', "\\\\..\\")
tester('ntpath.abspath("//../..")', "\\\\..\\")
tester('ntpath.abspath("//../../")', "\\\\..\\..\\")
tester('ntpath.abspath("//../../../")', "\\\\..\\..\\")
tester('ntpath.abspath("//../../../..")', "\\\\..\\..\\")
tester('ntpath.abspath("//../../../../")', "\\\\..\\..\\")
tester('ntpath.abspath("//server")', "\\\\server")
tester('ntpath.abspath("//server/")', "\\\\server\\")
tester('ntpath.abspath("//server/..")', "\\\\server\\")
tester('ntpath.abspath("//server/../")', "\\\\server\\..\\")
tester('ntpath.abspath("//server/../..")', "\\\\server\\..\\")
tester('ntpath.abspath("//server/../../")', "\\\\server\\..\\")
tester('ntpath.abspath("//server/../../..")', "\\\\server\\..\\")
tester('ntpath.abspath("//server/../../../")', "\\\\server\\..\\")
tester('ntpath.abspath("//server/share")', "\\\\server\\share")
tester('ntpath.abspath("//server/share/")', "\\\\server\\share\\")
tester('ntpath.abspath("//server/share/..")', "\\\\server\\share\\")
tester('ntpath.abspath("//server/share/../")', "\\\\server\\share\\")
tester('ntpath.abspath("//server/share/../..")', "\\\\server\\share\\")
tester('ntpath.abspath("//server/share/../../")', "\\\\server\\share\\")
tester('ntpath.abspath("C:\\nul. . .")', "\\\\.\\nul")
tester('ntpath.abspath("//... . .")', "\\\\")
tester('ntpath.abspath("//.. . . .")', "\\\\")
tester('ntpath.abspath("//../... . .")', "\\\\..\\")
tester('ntpath.abspath("//../.. . . .")', "\\\\..\\")
with os_helper.temp_cwd(os_helper.TESTFN) as cwd_dir: # bpo-31047
tester('ntpath.abspath("")', cwd_dir)
tester('ntpath.abspath(" ")', cwd_dir + "\\ ")
tester('ntpath.abspath("?")', cwd_dir + "\\?")
drive, _ = ntpath.splitdrive(cwd_dir)
tester('ntpath.abspath("/abc/")', drive + "\\abc")
def test_relpath(self):
tester('ntpath.relpath("a")', 'a')
tester('ntpath.relpath(ntpath.abspath("a"))', 'a')
tester('ntpath.relpath("a/b")', 'a\\b')
tester('ntpath.relpath("../a/b")', '..\\a\\b')
with os_helper.temp_cwd(os_helper.TESTFN) as cwd_dir:
currentdir = ntpath.basename(cwd_dir)
tester('ntpath.relpath("a", "../b")', '..\\'+currentdir+'\\a')
tester('ntpath.relpath("a/b", "../c")', '..\\'+currentdir+'\\a\\b')
tester('ntpath.relpath("a", "b/c")', '..\\..\\a')
tester('ntpath.relpath("c:/foo/bar/bat", "c:/x/y")', '..\\..\\foo\\bar\\bat')
tester('ntpath.relpath("//conky/mountpoint/a", "//conky/mountpoint/b/c")', '..\\..\\a')
tester('ntpath.relpath("a", "a")', '.')
tester('ntpath.relpath("/foo/bar/bat", "/x/y/z")', '..\\..\\..\\foo\\bar\\bat')
tester('ntpath.relpath("/foo/bar/bat", "/foo/bar")', 'bat')
tester('ntpath.relpath("/foo/bar/bat", "/")', 'foo\\bar\\bat')
tester('ntpath.relpath("/", "/foo/bar/bat")', '..\\..\\..')
tester('ntpath.relpath("/foo/bar/bat", "/x")', '..\\foo\\bar\\bat')
tester('ntpath.relpath("/x", "/foo/bar/bat")', '..\\..\\..\\x')
tester('ntpath.relpath("/", "/")', '.')
tester('ntpath.relpath("/a", "/a")', '.')
tester('ntpath.relpath("/a/b", "/a/b")', '.')
tester('ntpath.relpath("c:/foo", "C:/FOO")', '.')
def test_commonpath(self):
def check(paths, expected):
tester(('ntpath.commonpath(%r)' % paths).replace('\\\\', '\\'),
expected)
def check_error(paths, expected):
self.assertRaisesRegex(ValueError, expected, ntpath.commonpath, paths)
self.assertRaisesRegex(ValueError, expected, ntpath.commonpath, paths[::-1])
self.assertRaisesRegex(ValueError, expected, ntpath.commonpath,
[os.fsencode(p) for p in paths])
self.assertRaisesRegex(ValueError, expected, ntpath.commonpath,
[os.fsencode(p) for p in paths[::-1]])
self.assertRaises(TypeError, ntpath.commonpath, None)
self.assertRaises(ValueError, ntpath.commonpath, [])
self.assertRaises(ValueError, ntpath.commonpath, iter([]))
# gh-117381: Logical error messages
check_error(['C:\\Foo', 'C:Foo'], "Can't mix absolute and relative paths")
check_error(['C:\\Foo', '\\Foo'], "Paths don't have the same drive")
check_error(['C:\\Foo', 'Foo'], "Paths don't have the same drive")
check_error(['C:Foo', '\\Foo'], "Paths don't have the same drive")
check_error(['C:Foo', 'Foo'], "Paths don't have the same drive")
check_error(['\\Foo', 'Foo'], "Can't mix rooted and not-rooted paths")
check(['C:\\Foo'], 'C:\\Foo')
check(['C:\\Foo', 'C:\\Foo'], 'C:\\Foo')
check(['C:\\Foo\\', 'C:\\Foo'], 'C:\\Foo')
check(['C:\\Foo\\', 'C:\\Foo\\'], 'C:\\Foo')
check(['C:\\\\Foo', 'C:\\Foo\\\\'], 'C:\\Foo')
check(['C:\\.\\Foo', 'C:\\Foo\\.'], 'C:\\Foo')
check(['C:\\', 'C:\\baz'], 'C:\\')
check(['C:\\Bar', 'C:\\baz'], 'C:\\')
check(['C:\\Foo', 'C:\\Foo\\Baz'], 'C:\\Foo')
check(['C:\\Foo\\Bar', 'C:\\Foo\\Baz'], 'C:\\Foo')
check(['C:\\Bar', 'C:\\Baz'], 'C:\\')
check(['C:\\Bar\\', 'C:\\Baz'], 'C:\\')
check(['C:\\Foo\\Bar', 'C:/Foo/Baz'], 'C:\\Foo')
check(['C:\\Foo\\Bar', 'c:/foo/baz'], 'C:\\Foo')
check(['c:/foo/bar', 'C:\\Foo\\Baz'], 'c:\\foo')
# gh-117381: Logical error messages
check_error(['C:\\Foo', 'D:\\Foo'], "Paths don't have the same drive")
check_error(['C:\\Foo', 'D:Foo'], "Paths don't have the same drive")
check_error(['C:Foo', 'D:Foo'], "Paths don't have the same drive")
check(['spam'], 'spam')
check(['spam', 'spam'], 'spam')
check(['spam', 'alot'], '')
check(['and\\jam', 'and\\spam'], 'and')
check(['and\\\\jam', 'and\\spam\\\\'], 'and')
check(['and\\.\\jam', '.\\and\\spam'], 'and')
check(['and\\jam', 'and\\spam', 'alot'], '')
check(['and\\jam', 'and\\spam', 'and'], 'and')
check(['C:and\\jam', 'C:and\\spam'], 'C:and')
check([''], '')
check(['', 'spam\\alot'], '')
# gh-117381: Logical error messages
check_error(['', '\\spam\\alot'], "Can't mix rooted and not-rooted paths")
self.assertRaises(TypeError, ntpath.commonpath, [b'C:\\Foo', 'C:\\Foo\\Baz'])
self.assertRaises(TypeError, ntpath.commonpath, [b'C:\\Foo', 'Foo\\Baz'])
self.assertRaises(TypeError, ntpath.commonpath, [b'Foo', 'C:\\Foo\\Baz'])
self.assertRaises(TypeError, ntpath.commonpath, ['C:\\Foo', b'C:\\Foo\\Baz'])
self.assertRaises(TypeError, ntpath.commonpath, ['C:\\Foo', b'Foo\\Baz'])
self.assertRaises(TypeError, ntpath.commonpath, ['Foo', b'C:\\Foo\\Baz'])
def test_sameopenfile(self):
with TemporaryFile() as tf1, TemporaryFile() as tf2:
# Make sure the same file is really the same
self.assertTrue(ntpath.sameopenfile(tf1.fileno(), tf1.fileno()))
# Make sure different files are really different
self.assertFalse(ntpath.sameopenfile(tf1.fileno(), tf2.fileno()))
# Make sure invalid values don't cause issues on win32
if sys.platform == "win32":
with self.assertRaises(OSError):
# Invalid file descriptors shouldn't display assert
# dialogs (#4804)
ntpath.sameopenfile(-1, -1)
def test_ismount(self):
self.assertTrue(ntpath.ismount("c:\\"))
self.assertTrue(ntpath.ismount("C:\\"))
self.assertTrue(ntpath.ismount("c:/"))
self.assertTrue(ntpath.ismount("C:/"))
self.assertTrue(ntpath.ismount("\\\\.\\c:\\"))
self.assertTrue(ntpath.ismount("\\\\.\\C:\\"))
self.assertTrue(ntpath.ismount(b"c:\\"))
self.assertTrue(ntpath.ismount(b"C:\\"))
self.assertTrue(ntpath.ismount(b"c:/"))
self.assertTrue(ntpath.ismount(b"C:/"))
self.assertTrue(ntpath.ismount(b"\\\\.\\c:\\"))
self.assertTrue(ntpath.ismount(b"\\\\.\\C:\\"))
with os_helper.temp_dir() as d:
self.assertFalse(ntpath.ismount(d))
if sys.platform == "win32":
#
# Make sure the current folder isn't the root folder
# (or any other volume root). The drive-relative
# locations below cannot then refer to mount points
#
test_cwd = os.getenv("SystemRoot")
drive, path = ntpath.splitdrive(test_cwd)
with os_helper.change_cwd(test_cwd):
self.assertFalse(ntpath.ismount(drive.lower()))
self.assertFalse(ntpath.ismount(drive.upper()))
self.assertTrue(ntpath.ismount("\\\\localhost\\c$"))
self.assertTrue(ntpath.ismount("\\\\localhost\\c$\\"))
self.assertTrue(ntpath.ismount(b"\\\\localhost\\c$"))
self.assertTrue(ntpath.ismount(b"\\\\localhost\\c$\\"))
def test_isreserved(self):
self.assertFalse(ntpath.isreserved(''))
self.assertFalse(ntpath.isreserved('.'))
self.assertFalse(ntpath.isreserved('..'))
self.assertFalse(ntpath.isreserved('/'))
self.assertFalse(ntpath.isreserved('/foo/bar'))
# A name that ends with a space or dot is reserved.
self.assertTrue(ntpath.isreserved('foo.'))
self.assertTrue(ntpath.isreserved('foo '))