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98 lines
3.2 KiB
Python
98 lines
3.2 KiB
Python
import unittest
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from test import support
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import pwd
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class PwdTest(unittest.TestCase):
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def test_values(self):
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entries = pwd.getpwall()
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entriesbyname = {}
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entriesbyuid = {}
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for e in entries:
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self.assertEqual(len(e), 7)
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self.assertEqual(e[0], e.pw_name)
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self.assert_(isinstance(e.pw_name, str))
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self.assertEqual(e[1], e.pw_passwd)
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self.assert_(isinstance(e.pw_passwd, str))
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self.assertEqual(e[2], e.pw_uid)
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self.assert_(isinstance(e.pw_uid, int))
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self.assertEqual(e[3], e.pw_gid)
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self.assert_(isinstance(e.pw_gid, int))
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self.assertEqual(e[4], e.pw_gecos)
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self.assert_(isinstance(e.pw_gecos, str))
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self.assertEqual(e[5], e.pw_dir)
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self.assert_(isinstance(e.pw_dir, str))
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self.assertEqual(e[6], e.pw_shell)
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self.assert_(isinstance(e.pw_shell, str))
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# The following won't work, because of duplicate entries
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# for one uid
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# self.assertEqual(pwd.getpwuid(e.pw_uid), e)
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# instead of this collect all entries for one uid
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# and check afterwards
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entriesbyname.setdefault(e.pw_name, []).append(e)
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entriesbyuid.setdefault(e.pw_uid, []).append(e)
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if len(entries) > 1000: # Huge passwd file (NIS?) -- skip the rest
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return
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# check whether the entry returned by getpwuid()
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# for each uid is among those from getpwall() for this uid
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for e in entries:
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if not e[0] or e[0] == '+':
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continue # skip NIS entries etc.
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self.assert_(pwd.getpwnam(e.pw_name) in entriesbyname[e.pw_name])
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self.assert_(pwd.getpwuid(e.pw_uid) in entriesbyuid[e.pw_uid])
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def test_errors(self):
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self.assertRaises(TypeError, pwd.getpwuid)
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self.assertRaises(TypeError, pwd.getpwnam)
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self.assertRaises(TypeError, pwd.getpwall, 42)
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# try to get some errors
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bynames = {}
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byuids = {}
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for (n, p, u, g, gecos, d, s) in pwd.getpwall():
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bynames[n] = u
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byuids[u] = 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, pwd.getpwnam, fakename)
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# Choose a non-existent uid.
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fakeuid = 4127
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while fakeuid in byuids:
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fakeuid = (fakeuid * 3) % 0x10000
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self.assertRaises(KeyError, pwd.getpwuid, fakeuid)
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def test_main():
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support.run_unittest(PwdTest)
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if __name__ == "__main__":
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test_main()
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