Add service API support in client side

$ mistral service-list
+---------------+----------------+
| Name          | Type           |
+---------------+----------------+
| mistral_29703 | engine_group   |
| mistral_29703 | api_group      |
| mistral_29703 | executor_group |
+---------------+----------------+

Change-Id: I9be8c74c3fbab7782a9056a70075e7963e9b78f4
Implements: blueprint mistral-service-cli-support

mistralclient/tests/unit/v2/base.py

@@ -29,3 +29,4 @@ class BaseClientV2Test(base.BaseClientTest):
         self.workflows = self._client.workflows
         self.environments = self._client.environments
         self.action_executions = self._client.action_executions
+        self.services = self._client.services

mistralclient/tests/unit/v2/test_cli_services.py

@@ -0,0 +1,38 @@
+# Copyright 2015 Huawei Technologies Co., Ltd.
+#
+#    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 mock
+
+from mistralclient.api.v2 import services
+from mistralclient.commands.v2 import services as service_cmd
+from mistralclient.tests.unit import base
+
+
+SERVICE_DICT = {
+    'name': 'service_name',
+    'type': 'service_type',
+}
+
+SERVICE = services.Service(mock, SERVICE_DICT)
+
+
+class TestCLIServicesV2(base.BaseCommandTest):
+    @mock.patch('mistralclient.api.v2.services.ServiceManager.list')
+    def test_list(self, mock):
+        mock.return_value = (SERVICE,)
+        expected = (SERVICE_DICT['name'], SERVICE_DICT['type'],)
+
+        result = self.call(service_cmd.List)
+
+        self.assertListEqual([expected], result[1])

mistralclient/tests/unit/v2/test_services.py

@@ -0,0 +1,42 @@
+# Copyright 2015 Huawei Technologies Co., Ltd.
+#
+#    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 mistralclient.api.v2 import services
+from mistralclient.tests.unit.v2 import base
+
+
+SERVICE = {
+    'name': 'service_name',
+    'type': 'service_type',
+}
+
+URL_TEMPLATE = '/services'
+
+
+class TestServicesV2(base.BaseClientV2Test):
+    def test_list(self):
+        mock = self.mock_http_get(content={'services': [SERVICE]})
+
+        service_list = self.services.list()
+
+        self.assertEqual(1, len(service_list))
+
+        srv = service_list[0]
+
+        self.assertDictEqual(
+            services.Service(self.services, SERVICE).to_dict(),
+            srv.to_dict()
+        )
+
+        mock.assert_called_once_with(URL_TEMPLATE)