Use queue_creation to send queue's metadata

Since v1.1, the queue metadata is part of the queue endpoint. It has to
be set/updated by using the queue endpoint. The old set_metadata and
get_metadata endpoitns have been removed.

Partially-Implements blueprint: api-v1.1

Change-Id: I7b5b50529c4591701c62a1fa92dddbae9add6265

zaqarclient/queues/v1/api.py

@@ -242,6 +242,7 @@ class V1(api.Api):
 
 class V1_1(V1):
     label = 'v1.1'
+    schema = V1.schema.copy()
 
 
 V1_1.schema.update({
@@ -255,3 +256,6 @@ V1_1.schema.update({
         }
     },
 })
+
+del V1_1.schema['queue_get_metadata']
+del V1_1.schema['queue_set_metadata']

zaqarclient/queues/v1/core.py

@@ -56,10 +56,30 @@ def _common_queue_ops(operation, transport, request, name, callback=None):
     return resp.deserialized_content
 
 
-def queue_create(transport, request, name, callback=None):
-    """Creates a queue."""
-    return _common_queue_ops('queue_create', transport,
-                             request, name, callback=callback)
+def queue_create(transport, request, name,
+                 metadata=None, callback=None):
+    """Creates a queue
+
+    :param transport: Transport instance to use
+    :type transport: `transport.base.Transport`
+    :param request: Request instance ready to be sent.
+    :type request: `transport.request.Request`
+    :param name: Queue reference name.
+    :type name: `six.text_type`
+    :param metadata: Queue's metadata object. (>=v1.1)
+    :type metadata: `dict`
+    :param callback: Optional callable to use as callback.
+        If specified, this request will be sent asynchronously.
+        (IGNORED UNTIL ASYNC SUPPORT IS COMPLETE)
+    :type callback: Callable object.
+    """
+
+    request.operation = 'queue_create'
+    request.params['queue_name'] = name
+    request.content = metadata and json.dumps(metadata)
+
+    resp = transport.send(request)
+    return resp.deserialized_content
 
 
 def queue_exists(transport, request, name, callback=None):

zaqarclient/queues/v1/queues.py

@@ -67,7 +67,10 @@ class Queue(object):
         # NOTE(jeffrey4l): Ensure that metadata is cleared when the new_meta
         # is a empty dict.
         if new_meta is not None:
-            core.queue_set_metadata(trans, req, self._name, new_meta)
+            if req.api.is_supported('queue_set_metadata'):
+                core.queue_set_metadata(trans, req, self._name, new_meta)
+            else:
+                core.queue_create(trans, req, self._name, metadata=new_meta)
             self._metadata = new_meta
 
         # TODO(flaper87): Cache with timeout

zaqarclient/tests/queues/queues.py

@@ -33,9 +33,25 @@ class QueuesV1QueueUnitTest(base.QueuesTestBase):
             resp = response.Response(None, json.dumps(test_metadata))
             send_method.return_value = resp
 
-            metadata = self.queue.metadata()
+            metadata = self.queue.metadata(test_metadata)
             self.assertEqual(metadata, test_metadata)
 
+    def test_queue_metadata_update(self):
+        test_metadata = {'type': 'Bank Accounts'}
+        new_meta = {'flavor': 'test'}
+
+        with mock.patch.object(self.transport, 'send',
+                               autospec=True) as send_method:
+
+            resp = response.Response(None, json.dumps(test_metadata))
+            send_method.return_value = resp
+
+            metadata = self.queue.metadata(test_metadata)
+            self.assertEqual(metadata, test_metadata)
+
+            metadata = self.queue.metadata(new_meta)
+            self.assertEqual(metadata, new_meta)
+
     def test_queue_create(self):
         with mock.patch.object(self.transport, 'send',
                                autospec=True) as send_method:

zaqarclient/transport/api.py

@@ -25,6 +25,16 @@ class Api(object):
     label = None
     validators = {}
 
+    def is_supported(self, operation):
+        """Returns `True` if `operation` is supported
+
+        :param operation: The operation to check on.
+        :type operation: `six.text_type`
+
+        :rtype: bool
+        """
+        return operation in self.schema
+
     def get_schema(self, operation):
         """Returns the schema for an operation