From: Victor Stinner <victor.stinner@gmail.com>
Date: Thu, 4 May 2017 16:10:09 +0000 (+0200)
Subject: test_distutils: test_build_ext uses EnvironGuard (#1458)
X-Git-Tag: v2.7.14rc1~176
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0f7f67660653517a5b3ed93e4b658583ff4cd355;p=python

test_distutils: test_build_ext uses EnvironGuard (#1458)

Use EnvironGuard on BuildExtTestCase to save/restore os.environ, to fix the
following warning:

Warning -- os.environ was modified by test_distutils

MSVCCompiler.initialize() of distutils.msvc9compiler modifies
os.environ.
---

diff --git a/Lib/distutils/tests/test_build_ext.py b/Lib/distutils/tests/test_build_ext.py
index a4494dba4c..a6d2d2eb15 100644
--- a/Lib/distutils/tests/test_build_ext.py
+++ b/Lib/distutils/tests/test_build_ext.py
@@ -20,6 +20,7 @@ ALREADY_TESTED = False
 
 class BuildExtTestCase(support.TempdirManager,
                        support.LoggingSilencer,
+                       support.EnvironGuard,
                        unittest.TestCase):
     def setUp(self):
         super(BuildExtTestCase, self).setUp()