Simple conversion to PyUnit.

Lib/test/test_grp.py

-#! /usr/bin/env python
-"""Test script for the grp module
-   Roger E. Masse
-"""
+"""Test script for the grp module."""
+
+# XXX This really needs some work, but what are the expected invariants?
 
 import grp
-from test_support import verbose
-
-groups = grp.getgrall()
-if verbose:
-    print 'Groups:'
-    for group in groups:
-        print group
-
-if not groups:
-    if verbose:
-        print "Empty Group Database -- no further tests of grp module possible"
-else:
-    group = grp.getgrgid(groups[0][2])
-    if verbose:
-        print 'Group Entry for GID %d: %s' % (groups[0][2], group)
-
-    group = grp.getgrnam(groups[0][0])
-    if verbose:
-        print 'Group Entry for group %s: %s' % (groups[0][0], group)
+import test_support
+import unittest
+
+
+class GroupDatabaseTestCase(unittest.TestCase):
+
+    def setUp(self):
+        self.groups = grp.getgrall()
+
+    def test_getgrgid(self):
+        entry = grp.getgrgid(self.groups[0][2])
+
+    def test_getgrnam(self):
+        entry = grp.getgrnam(self.groups[0][0])
+
+
+test_support.run_unittest(GroupDatabaseTestCase)