diff --git a/web/gui/src/main/webapp/tests/app/view/topo/topoInst-spec.js b/web/gui/src/main/webapp/tests/app/view/topo/topoInst-spec.js
new file mode 100644
index 0000000..1ea4663
--- /dev/null
+++ b/web/gui/src/main/webapp/tests/app/view/topo/topoInst-spec.js
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+
+/*
+ ONOS GUI -- Topo View -- Topo Instance Service - Unit Tests
+ */
+describe('factory: view/topo/topoInst.js', function() {
+    var $log, fs, tis;
+
+    beforeEach(module('ovTopo', 'onosUtil', 'onosLayer'));
+
+    beforeEach(inject(function (_$log_, FnService, TopoInstService) {
+        $log = _$log_;
+        fs = FnService;
+        tis = TopoInstService;
+    }));
+
+    it('should define TopoInstService', function () {
+        expect(tis).toBeDefined();
+    });
+
+    it('should define api functions', function () {
+        expect(fs.areFunctions(tis, [
+            'initInst', 'destroyInst',
+            'addInstance', 'updateInstance', 'removeInstance'
+        ])).toBeTruthy();
+    });
+
+    // TODO: more tests...
+});