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bpo-38811: Check for presence of os.link method in pathlib. (GH-17170)

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Fix also the Path.symplink() method implementation for the case when
symlinks are not supported.
This commit is contained in:
Toke Høiland-Jørgensen 2019-11-17 18:06:38 +01:00 • committed by Serhiy Storchaka
parent 645005e947
commit 111772fc27
3 changed files with 27 additions and 1 deletions
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19
Lib/test/test_pathlib.py
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@ -1759,6 +1759,7 @@ class _BasePathTest(object):
self.assertFileNotFound(p.stat)
self.assertFileNotFound(p.unlink)
@unittest.skipUnless(hasattr(os, "link"), "os.link() is not present")
def test_link_to(self):
P = self.cls(BASE)
p = P / 'fileA'
@ -1778,6 +1779,15 @@ class _BasePathTest(object):
self.assertEqual(os.stat(r).st_size, size)
self.assertTrue(q.stat)
@unittest.skipIf(hasattr(os, "link"), "os.link() is present")
def test_link_to_not_implemented(self):
P = self.cls(BASE)
p = P / 'fileA'
# linking to another path.
q = P / 'dirA' / 'fileAA'
with self.assertRaises(NotImplementedError):
p.link_to(q)
def test_rename(self):
P = self.cls(BASE)
p = P / 'fileA'
@ -2011,6 +2021,15 @@ class _BasePathTest(object):
self.assertTrue(link.is_dir())
self.assertTrue(list(link.iterdir()))
@unittest.skipIf(support.can_symlink(), "symlink support is present")
def test_symlink_to_not_implemented(self):
P = self.cls(BASE)
target = P / 'fileA'
# Symlinking a path target.
link = P / 'dirA' / 'linkAA'
with self.assertRaises(NotImplementedError):
link.symlink_to(target)
def test_is_dir(self):
P = self.cls(BASE)
self.assertTrue((P / 'dirA').is_dir())