| 4710c53d |
1 | import sys\r |
| 2 | import unittest\r |
| 3 | from test import test_support\r |
| 4 | \r |
| 5 | pwd = test_support.import_module('pwd')\r |
| 6 | \r |
| 7 | class PwdTest(unittest.TestCase):\r |
| 8 | \r |
| 9 | def test_values(self):\r |
| 10 | entries = pwd.getpwall()\r |
| 11 | entriesbyname = {}\r |
| 12 | entriesbyuid = {}\r |
| 13 | \r |
| 14 | for e in entries:\r |
| 15 | self.assertEqual(len(e), 7)\r |
| 16 | self.assertEqual(e[0], e.pw_name)\r |
| 17 | self.assertIsInstance(e.pw_name, basestring)\r |
| 18 | self.assertEqual(e[1], e.pw_passwd)\r |
| 19 | self.assertIsInstance(e.pw_passwd, basestring)\r |
| 20 | self.assertEqual(e[2], e.pw_uid)\r |
| 21 | self.assertIsInstance(e.pw_uid, int)\r |
| 22 | self.assertEqual(e[3], e.pw_gid)\r |
| 23 | self.assertIsInstance(e.pw_gid, int)\r |
| 24 | self.assertEqual(e[4], e.pw_gecos)\r |
| 25 | self.assertIsInstance(e.pw_gecos, basestring)\r |
| 26 | self.assertEqual(e[5], e.pw_dir)\r |
| 27 | self.assertIsInstance(e.pw_dir, basestring)\r |
| 28 | self.assertEqual(e[6], e.pw_shell)\r |
| 29 | self.assertIsInstance(e.pw_shell, basestring)\r |
| 30 | \r |
| 31 | # The following won't work, because of duplicate entries\r |
| 32 | # for one uid\r |
| 33 | # self.assertEqual(pwd.getpwuid(e.pw_uid), e)\r |
| 34 | # instead of this collect all entries for one uid\r |
| 35 | # and check afterwards\r |
| 36 | entriesbyname.setdefault(e.pw_name, []).append(e)\r |
| 37 | entriesbyuid.setdefault(e.pw_uid, []).append(e)\r |
| 38 | \r |
| 39 | if len(entries) > 1000: # Huge passwd file (NIS?) -- skip the rest\r |
| 40 | return\r |
| 41 | \r |
| 42 | # check whether the entry returned by getpwuid()\r |
| 43 | # for each uid is among those from getpwall() for this uid\r |
| 44 | for e in entries:\r |
| 45 | if not e[0] or e[0] == '+':\r |
| 46 | continue # skip NIS entries etc.\r |
| 47 | self.assertIn(pwd.getpwnam(e.pw_name), entriesbyname[e.pw_name])\r |
| 48 | self.assertIn(pwd.getpwuid(e.pw_uid), entriesbyuid[e.pw_uid])\r |
| 49 | \r |
| 50 | def test_errors(self):\r |
| 51 | self.assertRaises(TypeError, pwd.getpwuid)\r |
| 52 | self.assertRaises(TypeError, pwd.getpwnam)\r |
| 53 | self.assertRaises(TypeError, pwd.getpwall, 42)\r |
| 54 | \r |
| 55 | # try to get some errors\r |
| 56 | bynames = {}\r |
| 57 | byuids = {}\r |
| 58 | for (n, p, u, g, gecos, d, s) in pwd.getpwall():\r |
| 59 | bynames[n] = u\r |
| 60 | byuids[u] = n\r |
| 61 | \r |
| 62 | allnames = bynames.keys()\r |
| 63 | namei = 0\r |
| 64 | fakename = allnames[namei]\r |
| 65 | while fakename in bynames:\r |
| 66 | chars = list(fakename)\r |
| 67 | for i in xrange(len(chars)):\r |
| 68 | if chars[i] == 'z':\r |
| 69 | chars[i] = 'A'\r |
| 70 | break\r |
| 71 | elif chars[i] == 'Z':\r |
| 72 | continue\r |
| 73 | else:\r |
| 74 | chars[i] = chr(ord(chars[i]) + 1)\r |
| 75 | break\r |
| 76 | else:\r |
| 77 | namei = namei + 1\r |
| 78 | try:\r |
| 79 | fakename = allnames[namei]\r |
| 80 | except IndexError:\r |
| 81 | # should never happen... if so, just forget it\r |
| 82 | break\r |
| 83 | fakename = ''.join(chars)\r |
| 84 | \r |
| 85 | self.assertRaises(KeyError, pwd.getpwnam, fakename)\r |
| 86 | \r |
| 87 | # In some cases, byuids isn't a complete list of all users in the\r |
| 88 | # system, so if we try to pick a value not in byuids (via a perturbing\r |
| 89 | # loop, say), pwd.getpwuid() might still be able to find data for that\r |
| 90 | # uid. Using sys.maxint may provoke the same problems, but hopefully\r |
| 91 | # it will be a more repeatable failure.\r |
| 92 | fakeuid = sys.maxint\r |
| 93 | self.assertNotIn(fakeuid, byuids)\r |
| 94 | self.assertRaises(KeyError, pwd.getpwuid, fakeuid)\r |
| 95 | \r |
| 96 | def test_main():\r |
| 97 | test_support.run_unittest(PwdTest)\r |
| 98 | \r |
| 99 | if __name__ == "__main__":\r |
| 100 | test_main()\r |
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