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bpo-29688: document and test pathlib.Path.absolute() (GH-26153)

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Co-authored-by: Brett Cannon <brett@python.org>
Co-authored-by: Brian Helba <brian.helba@kitware.com>
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Barney Gale 2022-01-28 23:40:55 +00:00 • committed by GitHub
parent 1f036ede59
commit 18cb2ef46c
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4 changed files with 78 additions and 11 deletions
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58
Lib/test/test_pathlib.py
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@ -1456,6 +1456,28 @@ class _BasePathTest(object):
p = self.cls.cwd()
self._test_cwd(p)
def test_absolute_common(self):
P = self.cls
with mock.patch("pathlib._normal_accessor.getcwd") as getcwd:
getcwd.return_value = BASE
# Simple relative paths.
self.assertEqual(str(P().absolute()), BASE)
self.assertEqual(str(P('.').absolute()), BASE)
self.assertEqual(str(P('a').absolute()), os.path.join(BASE, 'a'))
self.assertEqual(str(P('a', 'b', 'c').absolute()), os.path.join(BASE, 'a', 'b', 'c'))
# Symlinks should not be resolved.
self.assertEqual(str(P('linkB', 'fileB').absolute()), os.path.join(BASE, 'linkB', 'fileB'))
self.assertEqual(str(P('brokenLink').absolute()), os.path.join(BASE, 'brokenLink'))
self.assertEqual(str(P('brokenLinkLoop').absolute()), os.path.join(BASE, 'brokenLinkLoop'))
# '..' entries should be preserved and not normalised.
self.assertEqual(str(P('..').absolute()), os.path.join(BASE, '..'))
self.assertEqual(str(P('a', '..').absolute()), os.path.join(BASE, 'a', '..'))
self.assertEqual(str(P('..', 'b').absolute()), os.path.join(BASE, '..', 'b'))
def _test_home(self, p):
q = self.cls(os.path.expanduser('~'))
self.assertEqual(p, q)
@ -2463,6 +2485,17 @@ class PathTest(_BasePathTest, unittest.TestCase):
class PosixPathTest(_BasePathTest, unittest.TestCase):
cls = pathlib.PosixPath
def test_absolute(self):
P = self.cls
self.assertEqual(str(P('/').absolute()), '/')
self.assertEqual(str(P('/a').absolute()), '/a')
self.assertEqual(str(P('/a/b').absolute()), '/a/b')
# '//'-prefixed absolute path (supported by POSIX).
self.assertEqual(str(P('//').absolute()), '//')
self.assertEqual(str(P('//a').absolute()), '//a')
self.assertEqual(str(P('//a/b').absolute()), '//a/b')
def _check_symlink_loop(self, *args, strict=True):
path = self.cls(*args)
with self.assertRaises(RuntimeError):
@ -2628,6 +2661,31 @@ class PosixPathTest(_BasePathTest, unittest.TestCase):
class WindowsPathTest(_BasePathTest, unittest.TestCase):
cls = pathlib.WindowsPath
def test_absolute(self):
P = self.cls
# Simple absolute paths.
self.assertEqual(str(P('c:\\').absolute()), 'c:\\')
self.assertEqual(str(P('c:\\a').absolute()), 'c:\\a')
self.assertEqual(str(P('c:\\a\\b').absolute()), 'c:\\a\\b')
# UNC absolute paths.
share = '\\\\server\\share\\'
self.assertEqual(str(P(share).absolute()), share)
self.assertEqual(str(P(share + 'a').absolute()), share + 'a')
self.assertEqual(str(P(share + 'a\\b').absolute()), share + 'a\\b')
# UNC relative paths.
with mock.patch("pathlib._normal_accessor.getcwd") as getcwd:
getcwd.return_value = share
self.assertEqual(str(P().absolute()), share)
self.assertEqual(str(P('.').absolute()), share)
self.assertEqual(str(P('a').absolute()), os.path.join(share, 'a'))
self.assertEqual(str(P('a', 'b', 'c').absolute()),
os.path.join(share, 'a', 'b', 'c'))
def test_glob(self):
P = self.cls
p = P(BASE)