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[3.14] gh-117596: Add more tests for os.path with invalid paths (GH-134189) (GH-134265)

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(cherry picked from commit 871d269875)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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Miss Islington (bot) 2025-05-20 14:55:21 +02:00 • committed by GitHub
parent a3fa72578a
commit 7e67b36d97
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2 changed files with 243 additions and 10 deletions
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74
Lib/test/test_posixpath.py
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@ -222,6 +222,7 @@ class PosixPathTest(unittest.TestCase):
finally:
os_helper.rmdir(ABSTFN)
def test_ismount_invalid_paths(self):
self.assertIs(posixpath.ismount('/\udfff'), False)
self.assertIs(posixpath.ismount(b'/\xff'), False)
self.assertIs(posixpath.ismount('/\x00'), False)
@ -482,6 +483,79 @@ class PosixPathTest(unittest.TestCase):
finally:
os_helper.unlink(ABSTFN)
def test_realpath_invalid_paths(self):
path = '/\x00'
self.assertRaises(ValueError, realpath, path, strict=False)
self.assertRaises(ValueError, realpath, path, strict=True)
path = b'/\x00'
self.assertRaises(ValueError, realpath, path, strict=False)
self.assertRaises(ValueError, realpath, path, strict=True)
path = '/nonexistent/x\x00'
self.assertRaises(ValueError, realpath, path, strict=False)
self.assertRaises(FileNotFoundError, realpath, path, strict=True)
path = b'/nonexistent/x\x00'
self.assertRaises(ValueError, realpath, path, strict=False)
self.assertRaises(FileNotFoundError, realpath, path, strict=True)
path = '/\x00/..'
self.assertRaises(ValueError, realpath, path, strict=False)
self.assertRaises(ValueError, realpath, path, strict=True)
path = b'/\x00/..'
self.assertRaises(ValueError, realpath, path, strict=False)
self.assertRaises(ValueError, realpath, path, strict=True)
path = '/nonexistent/x\x00/..'
self.assertRaises(ValueError, realpath, path, strict=False)
self.assertRaises(FileNotFoundError, realpath, path, strict=True)
path = b'/nonexistent/x\x00/..'
self.assertRaises(ValueError, realpath, path, strict=False)
self.assertRaises(FileNotFoundError, realpath, path, strict=True)
path = '/\udfff'
if sys.platform == 'win32':
self.assertEqual(realpath(path, strict=False), path)
self.assertRaises(FileNotFoundError, realpath, path, strict=True)
else:
self.assertRaises(UnicodeEncodeError, realpath, path, strict=False)
self.assertRaises(UnicodeEncodeError, realpath, path, strict=True)
path = '/nonexistent/\udfff'
if sys.platform == 'win32':
self.assertEqual(realpath(path, strict=False), path)
else:
self.assertRaises(UnicodeEncodeError, realpath, path, strict=False)
self.assertRaises(FileNotFoundError, realpath, path, strict=True)
path = '/\udfff/..'
if sys.platform == 'win32':
self.assertEqual(realpath(path, strict=False), '/')
self.assertRaises(FileNotFoundError, realpath, path, strict=True)
else:
self.assertRaises(UnicodeEncodeError, realpath, path, strict=False)
self.assertRaises(UnicodeEncodeError, realpath, path, strict=True)
path = '/nonexistent/\udfff/..'
if sys.platform == 'win32':
self.assertEqual(realpath(path, strict=False), '/nonexistent')
else:
self.assertRaises(UnicodeEncodeError, realpath, path, strict=False)
self.assertRaises(FileNotFoundError, realpath, path, strict=True)
path = b'/\xff'
if sys.platform == 'win32':
self.assertRaises(UnicodeDecodeError, realpath, path, strict=False)
self.assertRaises(UnicodeDecodeError, realpath, path, strict=True)
else:
self.assertEqual(realpath(path, strict=False), path)
if support.is_wasi:
self.assertRaises(OSError, realpath, path, strict=True)
else:
self.assertRaises(FileNotFoundError, realpath, path, strict=True)
path = b'/nonexistent/\xff'
if sys.platform == 'win32':
self.assertRaises(UnicodeDecodeError, realpath, path, strict=False)
else:
self.assertEqual(realpath(path, strict=False), path)
if support.is_wasi:
self.assertRaises(OSError, realpath, path, strict=True)
else:
self.assertRaises(FileNotFoundError, realpath, path, strict=True)
@os_helper.skip_unless_symlink
@skip_if_ABSTFN_contains_backslash
def test_realpath_relative(self):