Test Objects Module

Adds a test case that checks the versions of all kuryr objects. This makes sure
that when an object is modified, its version is bumped.

Change-Id: I87256a7d91fe214f1d7f453a24b085c9b02d2df1

kuryr_kubernetes/tests/unit/test_object.py

@@ -0,0 +1,79 @@
+# Copyright 2018 Red Hat, Inc.
+#
+# 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.
+
+from kuryr_kubernetes.objects import base as kuryr_base
+from kuryr_kubernetes.tests import base as test_base
+from oslo_versionedobjects import base
+from oslo_versionedobjects import fixture
+
+# NOTE(danms): The hashes in this list should only be changed if
+# they come with a corresponding version bump in the affected
+# objects
+object_data = {
+    'LBaaSL7Policy':
+    '1.0-3ac4fcd50a555f433a78c67cb6a4cd52',
+    'LBaaSL7Rule': '1.0-276d9d678e1a8fc4b53fdbf3b2ac39ec',
+    'LBaaSListener': '1.0-a9e2d5c73687f5edc66fdb2f48650e15',
+    'LBaaSLoadBalancer': '1.2-d498ade2e705c3977eb66ff46133ed2b',
+    'LBaaSMember': '1.0-a770c6884c27d6d8c21186b27d0e2ccb',
+    'LBaaSPool': '1.1-6e77370d7632a902445444249eb77b01',
+    'LBaaSPortSpec': '1.0-51dfa3436bec32db3614720056fcc83f',
+    'LBaaSPubIp': '1.0-83992edec2c60fb4ab8998ea42a4ff74',
+    'LBaaSRouteNotifEntry': '1.0-dd2f2be956f68814b1f47cb13483a885',
+    'LBaaSRouteNotifier': '1.0-f0bfd8e772434abe7557930d7e0180c1',
+    'LBaaSRouteState': '1.0-bdf561462a2d337c0e0ae8cb10e9ff20',
+    'LBaaSServiceSpec': '1.0-d430ecd443f2b1999196bfe531e56f7e',
+    'LBaaSState': '1.0-a0ff7dce2d3f6ce1ffab4ff95a344361',
+}
+
+
+def get_kuryr_objects():
+    """Get Kuryr versioned objects
+
+    This returns a dict of versioned objects which are
+    in the Kuryr project namespace only (excludes objects
+    from os-vif and other 3rd party modules)
+
+    :return: a dict mapping class names to lists of versioned objects
+    """
+
+    all_classes = base.VersionedObjectRegistry.obj_classes()
+    kuryr_classes = {}
+    for name in all_classes:
+        objclasses = all_classes[name]
+        if (objclasses[0].OBJ_PROJECT_NAMESPACE ==
+                kuryr_base.KuryrK8sObjectBase.OBJ_PROJECT_NAMESPACE):
+            kuryr_classes[name] = objclasses
+    return kuryr_classes
+
+
+class TestObjectVersions(test_base.TestCase):
+    def test_versions(self):
+        """Test Versions
+
+        Ensures that modified objects had their versions bumped
+        """
+
+        checker = fixture.ObjectVersionChecker(
+            get_kuryr_objects())
+        expected, actual = checker.test_hashes(object_data)
+        self.assertEqual(expected, actual,
+                         """Some objects have changed; please make sure the
+                         versions have been bumped and backporting
+                         compatibility code has been added to
+                         obj_make_compatible if necessary, and then update
+                         their hashes in the object_data map in this test
+                         module. If we don't need to add backporting code then
+                         it means we also don't need the version bump and we
+                         just have to change the hash in this module.""")