Issue #15747: skip chflags UF_IMMUTABLE tests if EOPNOTSUPP is raised.
This is necessary for ZFS systems, which don't support UF_IMMUTABLE.
(Note: this commit is a manual merge of 78699:019a2390b014 as both
_test_chflags_regular_file and test_lchflags_symlink differ between
3.2 and default.)
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 11b3ba0..4e7a37c 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -534,7 +534,17 @@
def _test_chflags_regular_file(self, chflags_func, target_file, **kwargs):
st = os.stat(target_file)
self.assertTrue(hasattr(st, 'st_flags'))
- chflags_func(target_file, st.st_flags | stat.UF_IMMUTABLE, **kwargs)
+
+ # ZFS returns EOPNOTSUPP when attempting to set flag UF_IMMUTABLE.
+ flags = st.st_flags | stat.UF_IMMUTABLE
+ try:
+ chflags_func(target_file, flags, **kwargs)
+ except OSError as err:
+ if err.errno != errno.EOPNOTSUPP:
+ raise
+ msg = 'chflag UF_IMMUTABLE not supported by underlying fs'
+ self.skipTest(msg)
+
try:
new_st = os.stat(target_file)
self.assertEqual(st.st_flags | stat.UF_IMMUTABLE, new_st.st_flags)
@@ -568,8 +578,15 @@
return posix.chflags(path, flags, follow_symlinks=False)
for fn in (posix.lchflags, chflags_nofollow):
- fn(_DUMMY_SYMLINK,
- dummy_symlink_st.st_flags | stat.UF_IMMUTABLE)
+ # ZFS returns EOPNOTSUPP when attempting to set flag UF_IMMUTABLE.
+ flags = dummy_symlink_st.st_flags | stat.UF_IMMUTABLE
+ try:
+ fn(_DUMMY_SYMLINK, flags)
+ except OSError as err:
+ if err.errno != errno.EOPNOTSUPP:
+ raise
+ msg = 'chflag UF_IMMUTABLE not supported by underlying fs'
+ self.skipTest(msg)
try:
new_testfn_st = os.stat(support.TESTFN)
new_dummy_symlink_st = os.lstat(_DUMMY_SYMLINK)