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GH-130614: pathlib ABCs: revise test suite for Windows path joining (#131016)

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Test Windows-flavoured `pathlib.types._JoinablePath` in a dedicated test
module. These tests cover `LexicalWindowsPath`, `PureWindowsPath` and
`WindowsPath`, where `LexicalWindowsPath` is a simple implementation of
`_JoinablePath` for use in tests.
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Barney Gale 2025-03-11 18:01:43 +00:00 • committed by GitHub
parent e0bc9d2a0c
commit 3569e4a670
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4 changed files with 320 additions and 279 deletions
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24
Lib/test/test_pathlib/test_pathlib.py
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@ -411,6 +411,18 @@ class PurePathTest(test_pathlib_abc.JoinablePathTest):
self.assertEqual(P('').stem, '')
self.assertEqual(P('.').stem, '')
@needs_windows
def test_with_name_windows(self):
P = self.cls
self.assertRaises(ValueError, P(r'c:').with_name, 'd.xml')
self.assertRaises(ValueError, P(r'c:\\').with_name, 'd.xml')
self.assertRaises(ValueError, P(r'\\My\Share').with_name, 'd.xml')
# NTFS alternate data streams
self.assertEqual(str(P('a').with_name('d:')), '.\\d:')
self.assertEqual(str(P('a').with_name('d:e')), '.\\d:e')
self.assertEqual(P(r'c:a\b').with_name('d:'), P(r'c:a\d:'))
self.assertEqual(P(r'c:a\b').with_name('d:e'), P(r'c:a\d:e'))
def test_with_name_empty(self):
P = self.cls
self.assertRaises(ValueError, P('').with_name, 'd.xml')
@ -419,6 +431,18 @@ class PurePathTest(test_pathlib_abc.JoinablePathTest):
self.assertRaises(ValueError, P('a/b').with_name, '')
self.assertRaises(ValueError, P('a/b').with_name, '.')
@needs_windows
def test_with_stem_windows(self):
P = self.cls
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')
# NTFS alternate data streams
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'))
def test_with_stem_empty(self):
P = self.cls
self.assertRaises(ValueError, P('').with_stem, 'd')