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cpython/Lib/test/test_ntpath.py
Serhiy Storchaka 3822093143 Issue #10395: Added os.path.commonpath(). Implemented in posixpath and ntpath. 
Based on patch by Rafik Draoui.
2015-03-31 15:31:53 +03:00

457 lines
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import ntpath
import os
import sys
import unittest
import warnings
from test.support import TestFailed
from test import support, test_genericpath
from tempfile import TemporaryFile
def tester(fn, wantResult):
fn = fn.replace("\\", "\\\\")
gotResult = eval(fn)
if wantResult != 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 isinstance(wantResult, str):
wantResult = os.fsencode(wantResult)
elif isinstance(wantResult, tuple):
wantResult = tuple(os.fsencode(r) for r in wantResult)
gotResult = eval(fn)
if wantResult != gotResult:
raise TestFailed("%s should return: %s but returned: %s" \
%(str(fn), str(wantResult), repr(gotResult)))
class TestNtpath(unittest.TestCase):
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("c:\\foo\\bar")',
('c:', '\\foo\\bar'))
tester('ntpath.splitdrive("c:/foo/bar")',
('c:', '/foo/bar'))
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("\\\\\\conky\\mountpoint\\foo\\bar")',
('', '\\\\\\conky\\mountpoint\\foo\\bar'))
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("//conky//mountpoint/foo/bar")',
('', '//conky//mountpoint/foo/bar'))
# Issue #19911: UNC part containing U+0130
self.assertEqual(ntpath.splitdrive('//conky/MOUNTPOİNT/foo/bar'),
('//conky/MOUNTPOİNT', '/foo/bar'))
def test_splitunc(self):
with self.assertWarns(DeprecationWarning):
ntpath.splitunc('')
with support.check_warnings(('', DeprecationWarning)):
tester('ntpath.splitunc("c:\\foo\\bar")',
('', 'c:\\foo\\bar'))
tester('ntpath.splitunc("c:/foo/bar")',
('', 'c:/foo/bar'))
tester('ntpath.splitunc("\\\\conky\\mountpoint\\foo\\bar")',
('\\\\conky\\mountpoint', '\\foo\\bar'))
tester('ntpath.splitunc("//conky/mountpoint/foo/bar")',
('//conky/mountpoint', '/foo/bar'))
tester('ntpath.splitunc("\\\\\\conky\\mountpoint\\foo\\bar")',
('', '\\\\\\conky\\mountpoint\\foo\\bar'))
tester('ntpath.splitunc("///conky/mountpoint/foo/bar")',
('', '///conky/mountpoint/foo/bar'))
tester('ntpath.splitunc("\\\\conky\\\\mountpoint\\foo\\bar")',
('', '\\\\conky\\\\mountpoint\\foo\\bar'))
tester('ntpath.splitunc("//conky//mountpoint/foo/bar")',
('', '//conky//mountpoint/foo/bar'))
self.assertEqual(ntpath.splitunc('//conky/MOUNTPOİNT/foo/bar'),
('//conky/MOUNTPOİNT', '/foo/bar'))
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("c:\\")', 1)
tester('ntpath.isabs("\\\\conky\\mountpoint\\")', 1)
tester('ntpath.isabs("\\foo")', 1)
tester('ntpath.isabs("\\foo\\bar")', 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")', '\\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')
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('')", r'.')
tester("ntpath.normpath('/')", '\\')
tester("ntpath.normpath('c:/')", 'c:\\')
tester("ntpath.normpath('/../.././..')", '\\')
tester("ntpath.normpath('c:/../../..')", 'c:\\')
tester("ntpath.normpath('../.././..')", r'..\..\..')
tester("ntpath.normpath('K:../.././..')", r'K:..\..\..')
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')
def test_expandvars(self):
with support.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(support.FS_NONASCII, 'need support.FS_NONASCII')
def test_expandvars_nonascii(self):
def check(value, expected):
tester('ntpath.expandvars(%r)' % value, expected)
with support.EnvironmentVarGuard() as env:
env.clear()
nonascii = support.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 support.EnvironmentVarGuard() as env:
env.clear()
tester('ntpath.expanduser("~test")', '~test')
env['HOMEPATH'] = 'eric\\idle'
env['HOMEDRIVE'] = 'C:\\'
tester('ntpath.expanduser("~test")', 'C:\\eric\\test')
tester('ntpath.expanduser("~")', 'C:\\eric\\idle')
del env['HOMEDRIVE']
tester('ntpath.expanduser("~test")', 'eric\\test')
tester('ntpath.expanduser("~")', 'eric\\idle')
env.clear()
env['USERPROFILE'] = 'C:\\eric\\idle'
tester('ntpath.expanduser("~test")', 'C:\\eric\\test')
tester('ntpath.expanduser("~")', 'C:\\eric\\idle')
env.clear()
env['HOME'] = 'C:\\idle\\eric'
tester('ntpath.expanduser("~test")', 'C:\\idle\\test')
tester('ntpath.expanduser("~")', 'C:\\idle\\eric')
tester('ntpath.expanduser("~test\\foo\\bar")',
'C:\\idle\\test\\foo\\bar')
tester('ntpath.expanduser("~test/foo/bar")',
'C:\\idle\\test/foo/bar')
tester('ntpath.expanduser("~\\foo\\bar")',
'C:\\idle\\eric\\foo\\bar')
tester('ntpath.expanduser("~/foo/bar")',
'C:\\idle\\eric/foo/bar')
def test_abspath(self):
# ntpath.abspath() can only be used on a system with the "nt" module
# (reasonably), so we protect this test with "import nt". This allows
# the rest of the tests for the ntpath module to be run to completion
# on any platform, since most of the module is intended to be usable
# from any platform.
try:
import nt
tester('ntpath.abspath("C:\\")', "C:\\")
except ImportError:
self.skipTest('nt module not available')
def test_relpath(self):
tester('ntpath.relpath("a")', 'a')
tester('ntpath.relpath(os.path.abspath("a"))', 'a')
tester('ntpath.relpath("a/b")', 'a\\b')
tester('ntpath.relpath("../a/b")', '..\\a\\b')
with support.temp_cwd(support.TESTFN) as cwd_dir:
currentdir = os.path.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(exc, paths):
self.assertRaises(exc, ntpath.commonpath, paths)
self.assertRaises(exc, ntpath.commonpath,
[os.fsencode(p) for p in paths])
self.assertRaises(ValueError, ntpath.commonpath, [])
check_error(ValueError, ['C:\\Program Files', 'Program Files'])
check_error(ValueError, ['C:\\Program Files', 'C:Program Files'])
check_error(ValueError, ['\\Program Files', 'Program Files'])
check_error(ValueError, ['Program Files', 'C:\\Program Files'])
check(['C:\\Program Files'], 'C:\\Program Files')
check(['C:\\Program Files', 'C:\\Program Files'], 'C:\\Program Files')
check(['C:\\Program Files\\', 'C:\\Program Files'],
'C:\\Program Files')
check(['C:\\Program Files\\', 'C:\\Program Files\\'],
'C:\\Program Files')
check(['C:\\\\Program Files', 'C:\\Program Files\\\\'],
'C:\\Program Files')
check(['C:\\.\\Program Files', 'C:\\Program Files\\.'],
'C:\\Program Files')
check(['C:\\', 'C:\\bin'], 'C:\\')
check(['C:\\Program Files', 'C:\\bin'], 'C:\\')
check(['C:\\Program Files', 'C:\\Program Files\\Bar'],
'C:\\Program Files')
check(['C:\\Program Files\\Foo', 'C:\\Program Files\\Bar'],
'C:\\Program Files')
check(['C:\\Program Files', 'C:\\Projects'], 'C:\\')
check(['C:\\Program Files\\', 'C:\\Projects'], 'C:\\')
check(['C:\\Program Files\\Foo', 'C:/Program Files/Bar'],
'C:\\Program Files')
check(['C:\\Program Files\\Foo', 'c:/program files/bar'],
'C:\\Program Files')
check(['c:/program files/bar', 'C:\\Program Files\\Foo'],
'c:\\program files')
check_error(ValueError, ['C:\\Program Files', 'D:\\Program Files'])
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'], '')
check_error(ValueError, ['', '\\spam\\alot'])
self.assertRaises(TypeError, ntpath.commonpath,
[b'C:\\Program Files', 'C:\\Program Files\\Foo'])
self.assertRaises(TypeError, ntpath.commonpath,
[b'C:\\Program Files', 'Program Files\\Foo'])
self.assertRaises(TypeError, ntpath.commonpath,
[b'Program Files', 'C:\\Program Files\\Foo'])
self.assertRaises(TypeError, ntpath.commonpath,
['C:\\Program Files', b'C:\\Program Files\\Foo'])
self.assertRaises(TypeError, ntpath.commonpath,
['C:\\Program Files', b'Program Files\\Foo'])
self.assertRaises(TypeError, ntpath.commonpath,
['Program Files', b'C:\\Program Files\\Foo'])
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 support.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
#
drive, path = ntpath.splitdrive(sys.executable)
with support.change_cwd(os.path.dirname(sys.executable)):
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$"))
self.assertTrue(ntpath.ismount(b"\\\\localhost\\c$\\"))
class NtCommonTest(test_genericpath.CommonTest, unittest.TestCase):
pathmodule = ntpath
attributes = ['relpath', 'splitunc']
if __name__ == "__main__":
unittest.main()
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