[SEBA-675] Checking that the Kubernetes cluster on which this service is deployed is compatible with the client library installed

Change-Id: I68d91ab4da87f7650595f590f689942b42070723
diff --git a/xos/synchronizer/tests/test_sync_kubernetesservice.py b/xos/synchronizer/tests/test_sync_kubernetesservice.py
new file mode 100644
index 0000000..75a79cc
--- /dev/null
+++ b/xos/synchronizer/tests/test_sync_kubernetesservice.py
@@ -0,0 +1,83 @@
+
+# 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
+
+class ApiException(Exception):
+    def __init__(self, status, *args, **kwargs):
+        super(ApiException, self).__init__(*args, **kwargs)
+        self.status = status
+
+def fake_init_kubernetes_client(self):
+    self.api_instance = MagicMock()
+    self.ApiException = ApiException
+
+class TestSyncKubernetesServiceInstance(unittest.TestCase):
+
+    def setUp(self):
+        self.unittest_setup = setup_sync_unit_test(os.path.abspath(os.path.dirname(os.path.realpath(__file__))),
+                                                   globals(),
+                                                   [("kubernetes-service", "kubernetes.xproto")] )
+
+        self.MockObjectList = self.unittest_setup["MockObjectList"]
+        self.model_accessor = self.unittest_setup["model_accessor"]
+
+        sys.path.append(os.path.join(os.path.abspath(os.path.dirname(os.path.realpath(__file__))), "../steps"))
+
+        from sync_kubernetes_service import SyncK8Service
+        self.step_class = SyncK8Service
+
+        self.service = KubernetesService(name="TestK8")
+
+    def tearDown(self):
+        sys.path = self.unittest_setup["sys_path_save"]
+
+    def test_valid_version(self):
+
+        version = MagicMock()
+        version.major = 1
+        version.minor = 13
+        version.git_version = "v1.13.0"
+
+        with patch.object(self.step_class, "init_kubernetes_client", new=fake_init_kubernetes_client):
+            step = self.step_class(model_accessor=self.model_accessor)
+
+            step.api_instance.get_code.return_value = version
+
+            step.sync_record(self.service)
+
+    def test_invalid_version(self):
+
+        version = MagicMock()
+        version.major = 1
+        version.minor = 15
+        version.git_version = "v1.15.0"
+
+        with patch.object(self.step_class, "init_kubernetes_client", new=fake_init_kubernetes_client):
+            step = self.step_class(model_accessor=self.model_accessor)
+
+            step.api_instance.get_code.return_value = version
+
+            with self.assertRaises(Exception):
+                step.sync_record(self.service)
+
+
+if __name__ == '__main__':
+    unittest.main()