diff --git a/xos/synchronizer/tests/test_sync_openstackserviceinstance.py b/xos/synchronizer/tests/test_sync_openstackserviceinstance.py
new file mode 100644
index 0000000..c39bd0b
--- /dev/null
+++ b/xos/synchronizer/tests/test_sync_openstackserviceinstance.py
@@ -0,0 +1,120 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# 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 json
+import os
+import sys
+import unittest
+from mock import patch, PropertyMock, ANY, MagicMock
+from unit_test_common import setup_sync_unit_test
+
+def fake_connect_openstack_admin(self, service, required_version=None):
+    return MagicMock()
+
+class TestSyncOpenStackServiceInstance(unittest.TestCase):
+
+    def setUp(self):
+        self.unittest_setup = setup_sync_unit_test(os.path.abspath(os.path.dirname(os.path.realpath(__file__))),
+                                                   globals(),
+                                                   [("openstack", "openstack.xproto")] )
+
+        sys.path.append(os.path.join(os.path.abspath(os.path.dirname(os.path.realpath(__file__))), "../steps"))
+
+        from sync_openstackserviceinstance import SyncOpenStackServiceInstance
+        self.step_class = SyncOpenStackServiceInstance
+
+        self.service = OpenStackService()
+        self.site = Site(name="test-site")
+        self.trust_domain = TrustDomain(owner=self.service, name="test-trust")
+        self.flavor = Flavor(name="test-flavor", backend_handle=1114)
+        self.node = Node(name="test-node", backend_handle=1113)
+        self.slice = Slice(name="test-slice", trust_domain=self.trust_domain, backend_handle=1112)
+        self.image = Image(name="test-image", backend_handle=1111)
+
+    def tearDown(self):
+        sys.path = self.unittest_setup["sys_path_save"]
+
+    def test_sync_record_create_noexist(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_instance = OpenStackServiceInstance(name="test-instance", slice=self.slice, image=self.image,
+                                                    node=self.node, flavor=self.flavor)
+
+            step = self.step_class()
+            fakeconn.compute.servers.return_value = []
+            fakeconn.identity.find_project.return_value = MagicMock(id=self.slice.backend_handle)
+            fakeconn.identity.find_domain.return_value = MagicMock(id=self.trust_domain.backend_handle)
+            fakeconn.compute.find_image.return_value = MagicMock(id=self.image.backend_handle)
+            fakeconn.compute.find_flavor.return_value = MagicMock(id=self.flavor.backend_handle)
+
+            os_instance = MagicMock()
+            os_instance.id = "1234"
+            fakeconn.compute.create_server.return_value = os_instance
+
+            step.sync_record(xos_instance)
+
+            fakeconn.compute.create_server.assert_called_with(admin_password=ANY,
+                                                              availability_zone="nova:test-node",
+                                                              config_drive=True,
+                                                              flavor_id=self.flavor.backend_handle,
+                                                              image_id=self.image.backend_handle,
+                                                              name=xos_instance.name,
+                                                              networks=[],
+                                                              project_domain_id=self.slice.backend_handle,
+                                                              user_data=ANY)
+            self.assertEqual(xos_instance.backend_handle, "1234")
+
+    def test_sync_record_create_exists(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_instance = OpenStackServiceInstance(name="test-instance", slice=self.slice, image=self.image,
+                                                    node=self.node, flavor=self.flavor)
+
+            os_instance = MagicMock()
+            os_instance.id = "1234"
+
+            step = self.step_class()
+            fakeconn.identity.find_project.return_value = os_instance
+            fakeconn.compute.create_server.return_value = None
+            fakeconn.compute.servers.return_value = [os_instance]
+
+            step.sync_record(xos_instance)
+
+            fakeconn.compute.create_server.assert_not_called()
+            self.assertEqual(xos_instance.backend_handle, "1234")
+
+    def test_delete_record(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_instance = OpenStackServiceInstance(name="test-instance", slice=self.slice, image=self.image,
+                                                    node=self.node, flavor=self.flavor)
+
+            step = self.step_class()
+            os_instance = MagicMock()
+            os_instance.id = "1234"
+            fakeconn.compute.servers.return_value = [os_instance]
+            fakeconn.compute.delete_server.return_value = None
+
+            step.delete_record(xos_instance)
+            fakeconn.compute.delete_server.assert_called_with("1234")
+
+if __name__ == '__main__':
+    unittest.main()