Issue #22165: Fixed test_undecodable_filename on Mac OS.
diff --git a/Lib/test/test_httpservers.py b/Lib/test/test_httpservers.py
index ad058b5..f164054 100644
--- a/Lib/test/test_httpservers.py
+++ b/Lib/test/test_httpservers.py
@@ -277,6 +277,13 @@
with open(os.path.join(self.tempdir, filename), 'wb') as f:
f.write(support.TESTFN_UNDECODABLE)
response = self.request(self.tempdir_name + '/')
+ if sys.platform == 'darwin':
+ # On Mac OS the HFS+ filesystem replaces bytes that aren't valid
+ # UTF-8 into a percent-encoded value.
+ for name in os.listdir(self.tempdir):
+ if name != 'test': # Ignore a filename created in setUp().
+ filename = name
+ break
body = self.check_status_and_reason(response, 200)
quotedname = urllib.parse.quote(filename, errors='surrogatepass')
self.assertIn(('href="%s"' % quotedname)