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bpo-40148: Add PurePath.with_stem() (GH-19295)

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Add PurePath.with_stem()
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Tim Hoffmann 2020-04-19 17:29:49 +02:00 • committed by GitHub
parent c8f1715283
commit 8aea4b3605
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31
Lib/test/test_pathlib.py
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@ -559,6 +559,23 @@ class _BasePurePathTest(object):
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'))
self.assertRaises(ValueError, P('').with_stem, 'd')
self.assertRaises(ValueError, P('.').with_stem, 'd')
self.assertRaises(ValueError, P('/').with_stem, 'd')
self.assertRaises(ValueError, P('a/b').with_stem, '')
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'))
@ -1014,6 +1031,20 @@ class PureWindowsPathTest(_BasePurePathTest, unittest.TestCase):
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_stem(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.assertRaises(ValueError, P('c:a/b').with_stem, 'd:')
self.assertRaises(ValueError, P('c:a/b').with_stem, '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_suffix(self):
P = self.cls
self.assertEqual(P('c:a/b').with_suffix('.gz'), P('c:a/b.gz'))