From d01e309f2d1171629d190eafe94d041f51be8530 Mon Sep 17 00:00:00 2001
From: Slawek Kaplonski <skaplons@redhat.com>
Date: Mon, 17 Dec 2018 13:00:30 +0100
Subject: [PATCH] Disable displaying warnings in functional tests

Because of known issue with stestr running on Python 3,
that too much output on stdout/stderr cause some subunit.parser
errors, we need to avoid displaying python warnings during
functional tests.

Change-Id: I1a80f62542c68fe891e445920dc89a63efef9175
---
 neutron/tests/functional/base.py | 5 +++++
 tox.ini                          | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/neutron/tests/functional/base.py b/neutron/tests/functional/base.py
index e46abadb047..901d39e05f3 100644
--- a/neutron/tests/functional/base.py
+++ b/neutron/tests/functional/base.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 import os
+import warnings
 
 from oslo_config import cfg
 
@@ -31,6 +32,10 @@ DEFAULT_LOG_DIR = os.path.join(helpers.get_test_log_path(),
 class BaseLoggingTestCase(base.BaseTestCase):
     def setUp(self):
         super(BaseLoggingTestCase, self).setUp()
+        # NOTE(slaweq): Because of issue with stestr and Python3, we need
+        # to avoid too much output to be produced during tests, so we will
+        # ignore python warnings here
+        warnings.simplefilter("ignore")
         base.setup_test_logging(
             cfg.CONF, DEFAULT_LOG_DIR, "%s.txt" % self.id())
 
diff --git a/tox.ini b/tox.ini
index 7fb2869dcdd..52b5e98acff 100644
--- a/tox.ini
+++ b/tox.ini
@@ -49,6 +49,9 @@ setenv = {[testenv]setenv}
          {[testenv:common]setenv}
          OS_TEST_PATH=./neutron/tests/functional
          OS_LOG_PATH={env:OS_LOG_PATH:/opt/stack/logs}
+# Because of issue with stestr and Python3, we need to avoid too much output
+# to be produced during tests, so we will ignore python warnings here
+         PYTHONWARNINGS=ignore
 deps =
   {[testenv]deps}
   -r{toxinidir}/neutron/tests/functional/requirements.txt