migrate moon code from github to opnfv

Change-Id: Ice53e368fd1114d56a75271aa9f2e598e3eba604
Signed-off-by: WuKong <rebirthmonkey@gmail.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/keystone-moon/keystone/tests/unit/ksfixtures/cache.py b/keystone-moon/keystone/tests/unit/ksfixtures/cache.py
new file mode 100644
index 00000000..74566f1e
--- /dev/null
+++ b/keystone-moon/keystone/tests/unit/ksfixtures/cache.py
@@ -0,0 +1,36 @@
+# 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 fixtures
+
+from keystone.common import cache
+
+
+class Cache(fixtures.Fixture):
+    """A fixture for setting up and tearing down the cache between test cases.
+    """
+
+    def setUp(self):
+        super(Cache, self).setUp()
+
+        # NOTE(dstanek):  We must remove the existing cache backend in the
+        # setUp instead of the tearDown because it defaults to a no-op cache
+        # and we want the configure call below to create the correct backend.
+
+        # NOTE(morganfainberg):  The only way to reconfigure the CacheRegion
+        # object on each setUp() call is to remove the .backend property.
+        if cache.REGION.is_configured:
+            del cache.REGION.backend
+
+        # ensure the cache region instance is setup
+        cache.configure_cache_region(cache.REGION)