Replace nova delete instance with shade client.

Function delete_instance now uses shade client.

JIRA: YARDSTICK-1088

Change-Id: I5772a74c6dc2d103edd410042a8eaf721d1bcc5c
Signed-off-by: Shobhi Jain <shobhi.jain@intel.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/yardstick/tests/unit/common/test_openstack_utils.py b/yardstick/tests/unit/common/test_openstack_utils.py
index a7c5aa5a8..de0f5c4fa 100644
--- a/yardstick/tests/unit/common/test_openstack_utils.py
+++ b/yardstick/tests/unit/common/test_openstack_utils.py
@@ -366,3 +366,30 @@ class CreateInstanceTestCase(unittest.TestCase):
             self.mock_shade_client, 'server_name', 'image_name', 'flavor_name')
         mock_logger.error.assert_called_once()
         self.assertIsNone(output)
+
+
+class DeleteInstanceTestCase(unittest.TestCase):
+
+    def setUp(self):
+        self.mock_shade_client = mock.Mock()
+
+    def test_delete_instance(self):
+        self.mock_shade_client.delete_server.return_value = True
+        output = openstack_utils.delete_instance(self.mock_shade_client,
+                                                 'instance_name_id')
+        self.assertTrue(output)
+
+    def test_delete_instance_fail(self):
+        self.mock_shade_client.delete_server.return_value = False
+        output = openstack_utils.delete_instance(self.mock_shade_client,
+                                                 'instance_name_id')
+        self.assertFalse(output)
+
+    @mock.patch.object(openstack_utils, 'log')
+    def test_delete_instance_exception(self, mock_logger):
+        self.mock_shade_client.delete_server.side_effect = (
+            exc.OpenStackCloudException('error message'))
+        output = openstack_utils.delete_instance(self.mock_shade_client,
+                                                 'instance_name_id')
+        mock_logger.error.assert_called_once()
+        self.assertFalse(output)