bpo-33635: Handling Bad file descriptor in Path.is_file and related. (GH-8542)
(cherry picked from commit 216b745eafa7cd4a683a8405dcfbd7f5567f504c)
Co-authored-by: Przemysław Spodymek <przemyslaw@spodymek.com>
diff --git a/Lib/test/test_pathlib.py b/Lib/test/test_pathlib.py
index ae7c75d..e436db9 100644
--- a/Lib/test/test_pathlib.py
+++ b/Lib/test/test_pathlib.py
@@ -1,6 +1,7 @@
import collections.abc
import io
import os
+import sys
import errno
import pathlib
import pickle
@@ -2176,6 +2177,29 @@
self.assertEqual(p6.expanduser(), p6)
self.assertRaises(RuntimeError, p7.expanduser)
+ @unittest.skipIf(sys.platform != "darwin",
+ "Bad file descriptor in /dev/fd affects only macOS")
+ def test_handling_bad_descriptor(self):
+ try:
+ file_descriptors = list(pathlib.Path('/dev/fd').rglob("*"))[3:]
+ if not file_descriptors:
+ self.skipTest("no file descriptors - issue was not reproduced")
+ # Checking all file descriptors because there is no guarantee
+ # which one will fail.
+ for f in file_descriptors:
+ f.exists()
+ f.is_dir()
+ f.is_file()
+ f.is_symlink()
+ f.is_block_device()
+ f.is_char_device()
+ f.is_fifo()
+ f.is_socket()
+ except OSError as e:
+ if e.errno == errno.EBADF:
+ self.fail("Bad file descriptor not handled.")
+ raise
+
@only_nt
class WindowsPathTest(_BasePathTest, unittest.TestCase):