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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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9
Lib/test/test_tempfile.py
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@ -149,13 +149,11 @@ class test__candidate_tempdir_list(TC):
# _candidate_tempdir_list contains the expected directories
# Make sure the interesting environment variables are all set.
added = []
try:
with test_support.EnvironmentVarGuard() as env:
for envname in 'TMPDIR', 'TEMP', 'TMP':
dirname = os.getenv(envname)
if not dirname:
os.environ[envname] = os.path.abspath(envname)
added.append(envname)
env.set(envname, os.path.abspath(envname))
cand = tempfile._candidate_tempdir_list()
@ -173,9 +171,6 @@ class test__candidate_tempdir_list(TC):
# Not practical to try to verify the presence of OS-specific
# paths in this list.
finally:
for p in added:
del os.environ[p]
test_classes.append(test__candidate_tempdir_list)