Move unit tests into dedicated directory

This patch moves all of the existing cinder/tests into
cinder unit tests.  This is being done to make way for
the addition of cinder/tests/functional.

Yes, this is going to cause significant pain with
any changes that haven't merged behind it in terms
of rebase, but there's no real alternative.  We have
to rip the band-aid off at some point, and early in L
seems like a great time to do it.

Change-Id: I63b0f89474b3c139bdb89589abd85319d2aa61ec

cinder/tests/unit/fake_notifier.py

@@ -0,0 +1,86 @@
+# Copyright 2014 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.
+
+import collections
+import functools
+
+import anyjson
+import oslo_messaging as messaging
+
+from cinder import rpc
+
+NOTIFICATIONS = []
+
+
+def reset():
+    del NOTIFICATIONS[:]
+
+
+FakeMessage = collections.namedtuple('Message',
+                                     ['publisher_id', 'priority',
+                                      'event_type', 'payload'])
+
+
+class FakeNotifier(object):
+
+    def __init__(self, transport, publisher_id, serializer=None, driver=None,
+                 topic=None, retry=None):
+        self.transport = transport
+        self.publisher_id = publisher_id
+        for priority in ['debug', 'info', 'warn', 'error', 'critical']:
+            setattr(self, priority,
+                    functools.partial(self._notify, priority.upper()))
+        self._serializer = serializer or messaging.serializer.NoOpSerializer()
+        self._topic = topic
+        self.retry = retry
+        self.notifications = []
+
+    def prepare(self, publisher_id=None):
+        if publisher_id is None:
+            publisher_id = self.publisher_id
+        return self.__class__(self.transport, publisher_id, self._serializer)
+
+    def get_notification_count(self):
+        return len(self.notifications)
+
+    def _notify(self, priority, ctxt, event_type, payload):
+        payload = self._serializer.serialize_entity(ctxt, payload)
+        # NOTE(sileht): simulate the kombu serializer
+        # this permit to raise an exception if something have not
+        # been serialized correctly
+        anyjson.serialize(payload)
+        msg = dict(publisher_id=self.publisher_id,
+                   priority=priority,
+                   event_type=event_type,
+                   payload=payload)
+        NOTIFICATIONS.append(msg)
+        self.notifications.append(msg)
+
+
+def stub_notifier(stubs):
+    stubs.Set(messaging, 'Notifier', FakeNotifier)
+    if rpc.NOTIFIER:
+        serializer = getattr(rpc.NOTIFIER, '_serializer', None)
+        stubs.Set(rpc, 'NOTIFIER', FakeNotifier(rpc.NOTIFIER.transport,
+                                                rpc.NOTIFIER.publisher_id,
+                                                serializer=serializer))
+
+
+def get_fake_notifier(service=None, host=None, publisher_id=None):
+    if not publisher_id:
+        publisher_id = "%s.%s" % (service, host)
+    serializer = getattr(rpc.NOTIFIER, '_serializer', None)
+    notifier = FakeNotifier(None, publisher_id=publisher_id,
+                            serializer=serializer)
+    return notifier.prepare(publisher_id=publisher_id)