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Make test_pwd more stable in the face of unusual LDAP/NIS/Kerberos deployments (the old test was flaky on Google buildslaves).

This commit is contained in:
Collin Winter 2010-03-18 00:10:34 +00:00
parent d7b731d160
commit 43fe03a206
1 changed files with 8 additions and 5 deletions
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13
Lib/test/test_pwd.py
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@ -1,3 +1,4 @@
import sys
import unittest import unittest
from test import test_support from test import test_support
@ -83,11 +84,13 @@ class PwdTest(unittest.TestCase):
self.assertRaises(KeyError, pwd.getpwnam, fakename) self.assertRaises(KeyError, pwd.getpwnam, fakename)
# Choose a non-existent uid. # In some cases, byuids isn't a complete list of all users in the
fakeuid = 4127 # system, so if we try to pick a value not in byuids (via a perturbing
while fakeuid in byuids: # loop, say), pwd.getpwuid() might still be able to find data for that
fakeuid = (fakeuid * 3) % 0x10000 # uid. Using sys.maxint may provoke the same problems, but hopefully
# it will be a more repeatable failure.
fakeuid = sys.maxint
self.assertNotIn(fakeuid, byuids)
self.assertRaises(KeyError, pwd.getpwuid, fakeuid) self.assertRaises(KeyError, pwd.getpwuid, fakeuid)
def test_main(): def test_main():