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

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This commit is contained in:
Walter Dörwald 2009-04-26 20:51:44 +00:00
parent e73cbe7a4e
commit 4b965f6ab1
6 changed files with 36 additions and 56 deletions
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7
Lib/test/test_posixpath.py
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@ -345,10 +345,9 @@ class PosixPathTest(unittest.TestCase):
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)