diff --git a/xos/synchronizer/tests/test_sync_principal.py b/xos/synchronizer/tests/test_sync_principal.py
new file mode 100644
index 0000000..f06ec48
--- /dev/null
+++ b/xos/synchronizer/tests/test_sync_principal.py
@@ -0,0 +1,102 @@
+
+# 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 TestSyncPrincipal(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_principal import SyncPrincipal
+        self.step_class = SyncPrincipal
+
+        self.service = OpenStackService()
+        self.trust_domain = TrustDomain(owner=self.service, name="test-trust")
+
+    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
+
+            trust_domain_id = 5678
+
+            xos_principal = Principal(name="test-principal", trust_domain=self.trust_domain)
+
+            step = self.step_class()
+            fakeconn.identity.find_user.return_value = None
+            fakeconn.identity.find_domain.return_value = MagicMock(id=trust_domain_id)
+
+            os_user = MagicMock()
+            os_user.id = "1234"
+            fakeconn.identity.create_user.return_value = os_user
+
+            step.sync_record(xos_principal)
+
+            fakeconn.identity.create_user.assert_called_with(name=xos_principal.name, domain_id=trust_domain_id)
+            self.assertEqual(xos_principal.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_principal = Principal(name="test-principal", trust_domain=self.trust_domain)
+
+            os_user = MagicMock()
+            os_user.id = "1234"
+
+            step = self.step_class()
+            fakeconn.identity.find_user.return_value = os_user
+            fakeconn.identity.create_user.return_value = None
+
+            step.sync_record(xos_principal)
+
+            fakeconn.identity.create_user.assert_not_called()
+            self.assertEqual(xos_principal.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_principal = Principal(name="test-principal", trust_domain=self.trust_domain)
+
+            step = self.step_class()
+            os_user = MagicMock()
+            os_user.id = "1234"
+            fakeconn.identity.find_user.return_value = os_user
+            fakeconn.identity.delete_user.return_value = None
+
+            step.delete_record(xos_principal)
+            fakeconn.identity.delete_user.assert_called_with("1234")
+
+if __name__ == '__main__':
+    unittest.main()