1 files changed, 66 insertions, 0 deletions
diff --git a/tests/unit/test_config.py b/tests/unit/test_config.py
new file mode 100644
index 0000000..7555b44
--- /dev/null
+++ b/tests/unit/test_config.py
@@ -0,0 +1,66 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2011 OpenStack LLC.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import optparse
+import unittest
+
+from openstack.common import config
+
+
+class TestConfig(unittest.TestCase):
+
+    def test_common_options(self):
+        parser = optparse.OptionParser()
+        self.assertEquals(0, len(parser.option_groups))
+        config.add_common_options(parser)
+        self.assertEquals(1, len(parser.option_groups))
+
+        expected_options = ['--verbose', '--debug', '--config-file']
+        for e in expected_options:
+            self.assertTrue(parser.option_groups[0].get_option(e),
+                            "Missing required common option: %s" % e)
+
+    def test_parse_options(self):
+        # test empty args and that parse_options() returns a mapping
+        # of typed values
+        parser = optparse.OptionParser()
+        config.add_common_options(parser)
+        parsed_options, args = config.parse_options(parser, [])
+
+        expected_options = {'verbose': False, 'debug': False,
+                            'config_file': None}
+        self.assertEquals(expected_options, parsed_options)
+
+        # test non-empty args and that parse_options() returns a mapping
+        # of typed values matching supplied args
+        parser = optparse.OptionParser()
+        config.add_common_options(parser)
+        parsed_options, args = config.parse_options(parser, ['--verbose'])
+
+        expected_options = {'verbose': True, 'debug': False,
+                            'config_file': None}
+        self.assertEquals(expected_options, parsed_options)
+
+        # test non-empty args that contain unknown options raises
+        # a SystemExit exception. Not ideal, but unfortunately optparse
+        # raises a sys.exit() when it runs into an error instead of raising
+        # something a bit more useful for libraries. optparse must have been
+        # written by the same group that wrote unittest ;)
+        parser = optparse.OptionParser()
+        config.add_common_options(parser)
+        self.assertRaises(SystemExit, config.parse_options,
+                          parser, ['--unknown'])