Add unit test for quota_classes_client

This patch adds unit test for quota_classes_client.

Change-Id: Ib6edcf0cc02f0b2784345ddbf00f1fe1b50bb151
diff --git a/tempest/tests/services/compute/test_quota_classes_client.py b/tempest/tests/services/compute/test_quota_classes_client.py
new file mode 100644
index 0000000..ff9b310
--- /dev/null
+++ b/tempest/tests/services/compute/test_quota_classes_client.py
@@ -0,0 +1,81 @@
+# Copyright 2015 NEC Corporation.  All rights reserved.
+#
+#    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 copy
+import httplib2
+
+from oslo_serialization import jsonutils as json
+from oslotest import mockpatch
+
+from tempest.services.compute.json import quota_classes_client
+from tempest.tests import base
+from tempest.tests import fake_auth_provider
+
+
+class TestQuotaClassesClient(base.TestCase):
+
+    FAKE_QUOTA_CLASS_SET = {
+        "injected_file_content_bytes": 10240,
+        "metadata_items": 128,
+        "server_group_members": 10,
+        "server_groups": 10,
+        "ram": 51200,
+        "floating_ips": 10,
+        "key_pairs": 100,
+        "id": u'\u2740(*\xb4\u25e1`*)\u2740',
+        "instances": 10,
+        "security_group_rules": 20,
+        "security_groups": 10,
+        "injected_files": 5,
+        "cores": 20,
+        "fixed_ips": -1,
+        "injected_file_path_bytes": 255,
+        }
+
+    def setUp(self):
+        super(TestQuotaClassesClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = quota_classes_client.QuotaClassesClient(
+            fake_auth, 'compute', 'regionOne')
+
+    def _test_show_quota_class_set(self, bytes_body=False):
+        serialized_body = json.dumps({
+            "quota_class_set": self.FAKE_QUOTA_CLASS_SET})
+        if bytes_body:
+            serialized_body = serialized_body.encode('utf-8')
+
+        mocked_resp = (httplib2.Response({'status': 200}), serialized_body)
+        self.useFixture(mockpatch.Patch(
+            'tempest.common.service_client.ServiceClient.get',
+            return_value=mocked_resp))
+        resp = self.client.show_quota_class_set("test")
+        self.assertEqual(self.FAKE_QUOTA_CLASS_SET, resp)
+
+    def test_show_quota_class_set_with_str_body(self):
+        self._test_show_quota_class_set()
+
+    def test_show_quota_class_set_with_bytes_body(self):
+        self._test_show_quota_class_set(bytes_body=True)
+
+    def test_update_quota_class_set(self):
+        fake_quota_class_set = copy.deepcopy(self.FAKE_QUOTA_CLASS_SET)
+        fake_quota_class_set.pop("id")
+        serialized_body = json.dumps({"quota_class_set": fake_quota_class_set})
+
+        mocked_resp = (httplib2.Response({'status': 200}), serialized_body)
+        self.useFixture(mockpatch.Patch(
+            'tempest.common.service_client.ServiceClient.put',
+            return_value=mocked_resp))
+        resp = self.client.update_quota_class_set("test")
+        self.assertEqual(fake_quota_class_set, resp)