Add basic unit test for config

Adding this exposed some python3 compatibility issues with iteritems.

Change-Id: Ia78bd8edd17c7d2360ad958b3de734503d400774

os_client_config/config.py

@@ -197,7 +197,7 @@ class OpenStackConfig(object):
 
         os_args = dict()
         new_args = dict()
-        for (key, val) in args.iteritems():
+        for (key, val) in iter(args.items()):
             key = key.replace('-', '_')
             if key.startswith('os'):
                 os_args[key[3:]] = val
@@ -285,7 +285,7 @@ class OpenStackConfig(object):
             config['auth'] = dict()
 
         # Can't just do update, because None values take over
-        for (key, val) in args.iteritems():
+        for (key, val) in iter(args.items()):
             if val is not None:
                 config[key] = val
 

os_client_config/tests/test_config.py

@@ -0,0 +1,24 @@
+# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
+#
+# 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 testtools
+
+from os_client_config import cloud_config
+from os_client_config import config
+
+
+class TestConfig(testtools.TestCase):
+    def test_get_one_cloud(self):
+        c = config.OpenStackConfig()
+        self.assertIsInstance(c.get_one_cloud(), cloud_config.CloudConfig)