Issue #15747: skip chflags UF_IMMUTABLE tests if EOPNOTSUPP is raised.
This is necessary for ZFS systems, which don't support UF_IMMUTABLE.
--
Kubilay Kocak (koobs) asked me on IRC to backport this fix to Python 2.7: done!
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 2eba770..7214efa 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -334,7 +334,16 @@
def _test_chflags_regular_file(self, chflags_func, target_file):
st = os.stat(target_file)
self.assertTrue(hasattr(st, 'st_flags'))
- chflags_func(target_file, st.st_flags | stat.UF_IMMUTABLE)
+
+ # ZFS returns EOPNOTSUPP when attempting to set flag UF_IMMUTABLE.
+ try:
+ chflags_func(target_file, st.st_flags | stat.UF_IMMUTABLE)
+ 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)
@@ -363,8 +372,16 @@
self.teardown_files.append(_DUMMY_SYMLINK)
dummy_symlink_st = os.lstat(_DUMMY_SYMLINK)
- posix.lchflags(_DUMMY_SYMLINK,
- dummy_symlink_st.st_flags | stat.UF_IMMUTABLE)
+ # ZFS returns EOPNOTSUPP when attempting to set flag UF_IMMUTABLE.
+ try:
+ posix.lchflags(_DUMMY_SYMLINK,
+ dummy_symlink_st.st_flags | stat.UF_IMMUTABLE)
+ 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(test_support.TESTFN)
new_dummy_symlink_st = os.lstat(_DUMMY_SYMLINK)