commit 4b965f6ab17370b06ee587c7b12ad3bcd96163e3
author Walter Dörwald <walter@livinglogic.de> Sun Apr 26 20:51:44 2009 +0000
committer Walter Dörwald <walter@livinglogic.de> Sun Apr 26 20:51:44 2009 +0000
tree f0b91e2341aac4251161bf630770740bd0b4c8af
parent e73cbe7a4eba3498f03e8cd27248affcd99e1d74

Use test.test_support.EnvironmentVarGuard where tests change environment vars.

Lib/test/test_posixpath.py

diff --git a/Lib/test/test_posixpath.py b/Lib/test/test_posixpath.py
index e6f750a..b7fbd50 100644
--- a/Lib/test/test_posixpath.py
+++ b/Lib/test/test_posixpath.py
@@ -345,10 +345,9 @@
             self.assert_(isinstance(posixpath.expanduser("~root/"), basestring))
             self.assert_(isinstance(posixpath.expanduser("~foo/"), basestring))
 
-            orig_home = os.environ['HOME']
-            os.environ['HOME'] = '/'
-            self.assertEqual(posixpath.expanduser("~"), "/")
-            os.environ['HOME'] = orig_home
+            with test_support.EnvironmentVarGuard() as env:
+                env.set('HOME', '/')
+                self.assertEqual(posixpath.expanduser("~"), "/")
 
         self.assertRaises(TypeError, posixpath.expanduser)