From: Xtreak <tir.karthi@gmail.com>
Date: Sun, 7 Apr 2019 07:51:27 +0000 (+0530)
Subject: bpo-35726: Add test for QueueHandler with multiple handlers (GH-11659)
X-Git-Tag: v3.8.0a4~254
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2dad96013ca24abdc5ba5a369ea42d70ff02487a;p=python

bpo-35726: Add test for QueueHandler with multiple handlers (GH-11659)
---

diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index b23ae24920..1805249e48 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -3505,6 +3505,19 @@ class QueueHandlerTest(BaseTest):
         listener.stop()
         self.assertEqual(self.stream.getvalue().strip().count('Traceback'), 1)
 
+    @unittest.skipUnless(hasattr(logging.handlers, 'QueueListener'),
+                         'logging.handlers.QueueListener required for this test')
+    def test_queue_listener_with_multiple_handlers(self):
+        # Test that queue handler format doesn't affect other handler formats (bpo-35726).
+        self.que_hdlr.setFormatter(self.root_formatter)
+        self.que_logger.addHandler(self.root_hdlr)
+
+        listener = logging.handlers.QueueListener(self.queue, self.que_hdlr)
+        listener.start()
+        self.que_logger.error("error")
+        listener.stop()
+        self.assertEqual(self.stream.getvalue().strip(), "que -> ERROR: error")
+
 if hasattr(logging.handlers, 'QueueListener'):
     import multiprocessing
     from unittest.mock import patch