Adds an orchestration API test for resource types

Adds an orchestration API test to ensure
the resource types APIs work correctly.

Change-Id: I9a28332debaad28b3725711f180242ac30744e76
Closes-Bug: #1336169
diff --git a/tempest/api/orchestration/stacks/test_resource_types.py b/tempest/api/orchestration/stacks/test_resource_types.py
new file mode 100644
index 0000000..e204894
--- /dev/null
+++ b/tempest/api/orchestration/stacks/test_resource_types.py
@@ -0,0 +1,44 @@
+#    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 tempest.api.orchestration import base
+from tempest import test
+
+
+class ResourceTypesTest(base.BaseOrchestrationTest):
+
+    @test.attr(type='smoke')
+    def test_resource_type_list(self):
+        """Verify it is possible to list resource types."""
+        resource_types = self.client.list_resource_types()
+        self.assertIsInstance(resource_types, list)
+        self.assertIn('OS::Nova::Server', resource_types)
+
+    @test.attr(type='smoke')
+    def test_resource_type_show(self):
+        """Verify it is possible to get schema about resource types."""
+        resource_types = self.client.list_resource_types()
+        self.assertNotEmpty(resource_types)
+
+        for resource_type in resource_types:
+            type_schema = self.client.get_resource_type(resource_type)
+            self.assert_fields_in_dict(type_schema, 'properties',
+                                       'attributes', 'resource_type')
+            self.assertEqual(resource_type, type_schema['resource_type'])
+
+    @test.attr(type='smoke')
+    def test_resource_type_template(self):
+        """Verify it is possible to get template about resource types."""
+        type_template = self.client.get_resource_type_template(
+            'OS::Nova::Server')
+        self.assert_fields_in_dict(type_template, 'Outputs',
+            'Parameters', 'Resources')
\ No newline at end of file
diff --git a/tempest/services/orchestration/json/orchestration_client.py b/tempest/services/orchestration/json/orchestration_client.py
index 46b0ec4..28fcf3f 100644
--- a/tempest/services/orchestration/json/orchestration_client.py
+++ b/tempest/services/orchestration/json/orchestration_client.py
@@ -264,6 +264,27 @@
         }
         return self._validate_template(post_body)
 
+    def list_resource_types(self):
+        """List resource types."""
+        resp, body = self.get('resource_types')
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return body['resource_types']
+
+    def get_resource_type(self, resource_type_name):
+        """Return the schema of a resource type."""
+        url = 'resource_types/%s' % resource_type_name
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        return json.loads(body)
+
+    def get_resource_type_template(self, resource_type_name):
+        """Return the template of a resource type."""
+        url = 'resource_types/%s/template' % resource_type_name
+        resp, body = self.get(url)
+        self.expected_success(200, resp.status)
+        return json.loads(body)
+
     def create_software_config(self, name=None, config=None, group=None,
                                inputs=None, outputs=None, options=None):
         headers, body = self._prep_software_config_create(