From 8446a2438ffeab845e31cba4489f03fccc387298 Mon Sep 17 00:00:00 2001
From: Claude Paroz <claude@2xlibre.net>
Date: Sat, 8 Mar 2014 11:51:08 +0100
Subject: [PATCH] Added test about error filterwarnings

Refs #20083.
---
 tests/logging_tests/tests.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/logging_tests/tests.py b/tests/logging_tests/tests.py
index 8aff4ec6c4..34ed24dc6a 100644
--- a/tests/logging_tests/tests.py
+++ b/tests/logging_tests/tests.py
@@ -128,6 +128,16 @@ class WarningLoggerTests(TestCase):
         output = force_text(self.outputs[0].getvalue())
         self.assertFalse('Foo Deprecated' in output)
 
+    @override_settings(DEBUG=True)
+    def test_error_filter_still_raises(self):
+        with warnings.catch_warnings():
+            warnings.filterwarnings(
+                'error',
+                category=RemovedInNextVersionWarning
+            )
+            with self.assertRaises(RemovedInNextVersionWarning):
+                warnings.warn('Foo Deprecated', RemovedInNextVersionWarning)
+
 
 class CallbackFilterTest(TestCase):
     def test_sense(self):