Test password removal via python proctitle

Signed-off-by: David Mulder <dmulder@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

python/samba/tests/cred_opt.py

@@ -0,0 +1,50 @@
+# Unix SMB/CIFS implementation.
+# Copyright (C) David Mulder <dmulder@suse.com> 2019
+#
+# 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/>.
+#
+
+"""Tests for cred option parsing.
+
+"""
+
+import optparse
+from samba.getopt import CredentialsOptions
+import samba.tests
+import setproctitle
+import sys
+
+password_opt = '--password=super_secret_password'
+clear_password_opt = '--password=xxx'
+
+class CredentialsOptionsTests(samba.tests.TestCase):
+
+    def setUp(self):
+        super(samba.tests.TestCase, self).setUp()
+        self.old_proctitle = setproctitle.getproctitle()
+        setproctitle.setproctitle('%s %s' % (self.old_proctitle, password_opt))
+        sys.argv.append(password_opt)
+
+    def test_clear_proctitle_password(self):
+        parser = optparse.OptionParser()
+        credopts = CredentialsOptions(parser)
+        parser.add_option_group(credopts)
+        (opts, args) = parser.parse_args()
+        self.assertNotIn(password_opt, setproctitle.getproctitle())
+        self.assertIn(clear_password_opt, setproctitle.getproctitle())
+
+    def tearDown(self):
+        super(samba.tests.TestCase, self).tearDown()
+        setproctitle.setproctitle(self.old_proctitle)
+        sys.argv.pop()