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svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r87238 | r.david.murray | 2010-12-14 11:20:53 -0500 (Tue, 14 Dec 2010) | 7 lines #775964: skip YP/NIS entries instead of failing the test Also includes doc updates mentioning that these entries may not be retrievable via getgrnam and getgrgid. Patch by Bobby Impollonia. ........
97 lines
3.1 KiB
Python
97 lines
3.1 KiB
Python
"""Test script for the grp module."""
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import unittest
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from test import support
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grp = support.import_module('grp')
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class GroupDatabaseTestCase(unittest.TestCase):
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def check_value(self, value):
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# check that a grp tuple has the entries and
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# attributes promised by the docs
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self.assertEqual(len(value), 4)
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self.assertEqual(value[0], value.gr_name)
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self.assertIsInstance(value.gr_name, str)
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self.assertEqual(value[1], value.gr_passwd)
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self.assertIsInstance(value.gr_passwd, str)
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self.assertEqual(value[2], value.gr_gid)
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self.assertIsInstance(value.gr_gid, int)
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self.assertEqual(value[3], value.gr_mem)
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self.assertIsInstance(value.gr_mem, list)
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def test_values(self):
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entries = grp.getgrall()
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for e in entries:
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self.check_value(e)
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if len(entries) > 1000: # Huge group file (NIS?) -- skip the rest
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return
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for e in entries:
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e2 = grp.getgrgid(e.gr_gid)
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self.check_value(e2)
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self.assertEqual(e2.gr_gid, e.gr_gid)
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name = e.gr_name
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if name.startswith('+') or name.startswith('-'):
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# NIS-related entry
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continue
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e2 = grp.getgrnam(name)
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self.check_value(e2)
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# There are instances where getgrall() returns group names in
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# lowercase while getgrgid() returns proper casing.
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# Discovered on Ubuntu 5.04 (custom).
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self.assertEqual(e2.gr_name.lower(), name.lower())
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def test_errors(self):
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self.assertRaises(TypeError, grp.getgrgid)
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self.assertRaises(TypeError, grp.getgrnam)
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self.assertRaises(TypeError, grp.getgrall, 42)
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# try to get some errors
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bynames = {}
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bygids = {}
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for (n, p, g, mem) in grp.getgrall():
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if not n or n == '+':
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continue # skip NIS entries etc.
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bynames[n] = g
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bygids[g] = n
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allnames = list(bynames.keys())
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namei = 0
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fakename = allnames[namei]
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while fakename in bynames:
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chars = list(fakename)
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for i in range(len(chars)):
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if chars[i] == 'z':
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chars[i] = 'A'
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break
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elif chars[i] == 'Z':
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continue
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else:
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chars[i] = chr(ord(chars[i]) + 1)
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break
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else:
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namei = namei + 1
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try:
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fakename = allnames[namei]
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except IndexError:
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# should never happen... if so, just forget it
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break
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fakename = ''.join(chars)
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self.assertRaises(KeyError, grp.getgrnam, fakename)
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# Choose a non-existent gid.
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fakegid = 4127
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while fakegid in bygids:
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fakegid = (fakegid * 3) % 0x10000
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self.assertRaises(KeyError, grp.getgrgid, fakegid)
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def test_main():
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support.run_unittest(GroupDatabaseTestCase)
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if __name__ == "__main__":
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test_main()
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