| import sys | |
| import unittest | |
| from test import test_support | |
| pwd = test_support.import_module('pwd') | |
| class PwdTest(unittest.TestCase): | |
| def test_values(self): | |
| entries = pwd.getpwall() | |
| entriesbyname = {} | |
| entriesbyuid = {} | |
| for e in entries: | |
| self.assertEqual(len(e), 7) | |
| self.assertEqual(e[0], e.pw_name) | |
| self.assertIsInstance(e.pw_name, basestring) | |
| self.assertEqual(e[1], e.pw_passwd) | |
| self.assertIsInstance(e.pw_passwd, basestring) | |
| self.assertEqual(e[2], e.pw_uid) | |
| self.assertIsInstance(e.pw_uid, int) | |
| self.assertEqual(e[3], e.pw_gid) | |
| self.assertIsInstance(e.pw_gid, int) | |
| self.assertEqual(e[4], e.pw_gecos) | |
| self.assertIsInstance(e.pw_gecos, basestring) | |
| self.assertEqual(e[5], e.pw_dir) | |
| self.assertIsInstance(e.pw_dir, basestring) | |
| self.assertEqual(e[6], e.pw_shell) | |
| self.assertIsInstance(e.pw_shell, basestring) | |
| # The following won't work, because of duplicate entries | |
| # for one uid | |
| # self.assertEqual(pwd.getpwuid(e.pw_uid), e) | |
| # instead of this collect all entries for one uid | |
| # and check afterwards | |
| entriesbyname.setdefault(e.pw_name, []).append(e) | |
| entriesbyuid.setdefault(e.pw_uid, []).append(e) | |
| if len(entries) > 1000: # Huge passwd file (NIS?) -- skip the rest | |
| return | |
| # check whether the entry returned by getpwuid() | |
| # for each uid is among those from getpwall() for this uid | |
| for e in entries: | |
| if not e[0] or e[0] == '+': | |
| continue # skip NIS entries etc. | |
| self.assertIn(pwd.getpwnam(e.pw_name), entriesbyname[e.pw_name]) | |
| self.assertIn(pwd.getpwuid(e.pw_uid), entriesbyuid[e.pw_uid]) | |
| def test_errors(self): | |
| self.assertRaises(TypeError, pwd.getpwuid) | |
| self.assertRaises(TypeError, pwd.getpwnam) | |
| self.assertRaises(TypeError, pwd.getpwall, 42) | |
| # try to get some errors | |
| bynames = {} | |
| byuids = {} | |
| for (n, p, u, g, gecos, d, s) in pwd.getpwall(): | |
| bynames[n] = u | |
| byuids[u] = n | |
| allnames = bynames.keys() | |
| namei = 0 | |
| fakename = allnames[namei] | |
| while fakename in bynames: | |
| chars = list(fakename) | |
| for i in xrange(len(chars)): | |
| if chars[i] == 'z': | |
| chars[i] = 'A' | |
| break | |
| elif chars[i] == 'Z': | |
| continue | |
| else: | |
| chars[i] = chr(ord(chars[i]) + 1) | |
| break | |
| else: | |
| namei = namei + 1 | |
| try: | |
| fakename = allnames[namei] | |
| except IndexError: | |
| # should never happen... if so, just forget it | |
| break | |
| fakename = ''.join(chars) | |
| self.assertRaises(KeyError, pwd.getpwnam, fakename) | |
| # In some cases, byuids isn't a complete list of all users in the | |
| # system, so if we try to pick a value not in byuids (via a perturbing | |
| # loop, say), pwd.getpwuid() might still be able to find data for that | |
| # 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) | |
| def test_main(): | |
| test_support.run_unittest(PwdTest) | |
| if __name__ == "__main__": | |
| test_main() |