Fix the rating.get_quotation method

This updates the rating.get_quotation method of the client. Tests on this
method have been added.

Depends-On: https://review.openstack.org/#/c/648062/
Change-Id: Ie2de0162311c2d162c1573042187ac4e628bd966
(cherry picked from commit de96c61985)

cloudkittyclient/tests/functional/v1/base.py

@@ -35,7 +35,7 @@ class BaseFunctionalTest(utils.BaseTestCase):
         if p.returncode != 0:
             raise RuntimeError('"{cmd}" returned {val}: {msg}'.format(
                 cmd=' '.join(cmd), val=p.returncode, msg=stderr))
-        return json.loads(stdout) if has_output else None
+        return json.loads(stdout.decode('ascii')) if has_output else None
 
     def openstack(self, action,
                   flags='', params='', fmt='-f json', has_output=True):

cloudkittyclient/tests/unit/v1/test_rating.py

@@ -0,0 +1,48 @@
+# Copyright 2019 Objectif Libre
+#
+#    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 decimal
+
+from cloudkittyclient import exc
+from cloudkittyclient.tests.unit.v1 import base
+
+
+class TestRating(base.BaseAPIEndpointTestCase):
+
+    def test_quote_request(self):
+        res_data = [{'usage': {
+            'instance': [{
+                'vol': {'unit': 'undef', 'qty': '1'},
+                'rating': {'price': decimal.Decimal(1)},
+                'desc': {
+                    'disk_total_display': 1,
+                    'image_id': 'c43a3e7d-c4e6-45d6-8c8d-e2832a45bc0a',
+                    'ram': 64,
+                    'ephemeral': 0,
+                    'vcpus': 1,
+                    'source_type': 'image',
+                    'disk_total': 1,
+                    'flavor_id': '42',
+                    'flavor': 'm1.nano',
+                    'disk': 1,
+                    'source_val': 'c43a3e7d-c4e6-45d6-8c8d-e2832a45bc0a'}
+            }]
+        }}]
+
+        self.rating.get_quotation(res_data=res_data)
+        self.api_client.post.assert_called_once_with(
+            '/v1/rating/quote/', json={'resources': res_data})
+
+    def test_get_quotation_no_res_data(self):
+        self.assertRaises(exc.ArgumentRequired, self.rating.get_quotation)

cloudkittyclient/v1/rating/__init__.py

@@ -78,8 +78,10 @@ class RatingManager(base.BaseManager):
         """
         if not kwargs.get('res_data', None):
             raise exc.ArgumentRequired("'res_data' argument is required.")
-        url = self.get_url('quote')
+        url = self.get_url('quote', {})
-        return self.api_client.post(url, kwargs['res_data'])
+
+        body = {'resources': kwargs['res_data']}
+        return self.api_client.post(url, json=body).json()
 
 
 class CliModuleGet(lister.Lister):

releasenotes/notes/fix-get-quotation-1d2c18a979f85fe6.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    The ``rating.get_quotation`` method of the client has been fixed: the json
+    body has been updated to match the API reference.