Implement blueprint host-topic-matchmaking

Change-Id: I382b731bbc64e92db9d06f4e9ee497b1cc0f7d26

1 files changed, 58 insertions, 0 deletions

diff --git a/nova/tests/rpc/test_matchmaker.py b/nova/tests/rpc/test_matchmaker.py
new file mode 100644
index 000000000..f7bffa67a
--- /dev/null
+++ b/nova/tests/rpc/test_matchmaker.py
@@ -0,0 +1,58 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+#    Copyright 2012 Cloudscaling Group, 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 nova import log as logging
+from nova.rpc import matchmaker
+from nova import test
+
+LOG = logging.getLogger(__name__)
+
+
+class _MatchMakerTestCase(test.TestCase):
+    def test_valid_host_matches(self):
+        queues = self.driver.queues(self.topic)
+        matched_hosts = map(lambda x: x[1], queues)
+
+        for host in matched_hosts:
+            self.assertIn(host, self.hosts)
+
+    def test_fanout_host_matches(self):
+        """For known hosts, see if they're in fanout."""
+        queues = self.driver.queues("fanout~" + self.topic)
+        matched_hosts = map(lambda x: x[1], queues)
+
+        LOG.info("Received result from matchmaker: %s", queues)
+        for host in self.hosts:
+            self.assertIn(host, matched_hosts)
+
+
+class MatchMakerFileTestCase(_MatchMakerTestCase):
+    def setUp(self):
+        self.topic = "test"
+        self.hosts = ['hello', 'world', 'foo', 'bar', 'baz']
+        ring = {
+            self.topic: self.hosts
+        }
+        self.driver = matchmaker.MatchMakerRing(ring)
+        super(MatchMakerFileTestCase, self).setUp()
+
+
+class MatchMakerLocalhostTestCase(_MatchMakerTestCase):
+    def setUp(self):
+        self.driver = matchmaker.MatchMakerLocalhost()
+        self.topic = "test"
+        self.hosts = ['localhost']
+        super(MatchMakerLocalhostTestCase, self).setUp()