python:tests: Add test for warn_pwd_expire

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Mon Aug  7 19:11:02 CEST 2017 on sn-devel-144

python/samba/tests/pam_winbind_warn_pwd_expire.py

@@ -0,0 +1,41 @@
+# Unix SMB/CIFS implementation.
+#
+# Copyright (C) 2017      Andreas Schneider <asn@samba.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+import samba.tests
+import pypamtest
+import os
+
+class PasswordExpirePamTests(samba.tests.TestCase):
+    def test_auth_expire_warning(self):
+        domain = os.environ["DOMAIN"]
+        username = os.environ["USERNAME"]
+        password = os.environ["PASSWORD"]
+        warn_pwd_expire = int(os.environ["WARN_PWD_EXPIRE"])
+        unix_username = "%s/%s" % (domain, username)
+        expected_rc = 0 # PAM_SUCCESS
+
+        tc = pypamtest.TestCase(pypamtest.PAMTEST_AUTHENTICATE, expected_rc)
+        res = pypamtest.run_pamtest(unix_username, "samba", [tc], [password])
+
+        self.assertTrue(res != None)
+        if warn_pwd_expire == 0:
+            self.assertTrue(res.info == ())
+        elif warn_pwd_expire == 50:
+            self.assertEqual(res.info[0], u"Your password will expire in 42 days.\n")
+        else:
+            self.assertEqual(warn_pwd_expire, 0)