diff --git a/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/impl/OpenstackRouterServiceAdapter.java b/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/impl/OpenstackRouterServiceAdapter.java
new file mode 100644
index 0000000..34341d2
--- /dev/null
+++ b/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/impl/OpenstackRouterServiceAdapter.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2018-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.
+ */
+package org.onosproject.openstacknetworking.impl;
+
+import org.onosproject.openstacknetworking.api.OpenstackRouterListener;
+import org.onosproject.openstacknetworking.api.OpenstackRouterService;
+import org.openstack4j.model.network.NetFloatingIP;
+import org.openstack4j.model.network.Router;
+import org.openstack4j.model.network.RouterInterface;
+
+import java.util.Set;
+
+/**
+ * Test adapter for OpenstackRouterService.
+ */
+public class OpenstackRouterServiceAdapter implements OpenstackRouterService {
+    @Override
+    public Router router(String osRouterId) {
+        return null;
+    }
+
+    @Override
+    public Set<Router> routers() {
+        return null;
+    }
+
+    @Override
+    public RouterInterface routerInterface(String osRouterIfaceId) {
+        return null;
+    }
+
+    @Override
+    public Set<RouterInterface> routerInterfaces() {
+        return null;
+    }
+
+    @Override
+    public Set<RouterInterface> routerInterfaces(String osRouterId) {
+        return null;
+    }
+
+    @Override
+    public NetFloatingIP floatingIp(String floatingIpId) {
+        return null;
+    }
+
+    @Override
+    public Set<NetFloatingIP> floatingIps() {
+        return null;
+    }
+
+    @Override
+    public Set<NetFloatingIP> floatingIps(String routerId) {
+        return null;
+    }
+
+    @Override
+    public void addListener(OpenstackRouterListener listener) {
+
+    }
+
+    @Override
+    public void removeListener(OpenstackRouterListener listener) {
+
+    }
+}