Unit tests for the OpenFlow controller class

Change-Id: I14a6e2810ec15edfccb309ab94dabe96670f4026
diff --git a/openflow/ctl/src/test/java/org/onosproject/openflow/DriverServiceAdapter.java b/openflow/ctl/src/test/java/org/onosproject/openflow/DriverServiceAdapter.java
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index 0000000..25596ad
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+++ b/openflow/ctl/src/test/java/org/onosproject/openflow/DriverServiceAdapter.java
@@ -0,0 +1,59 @@
+/*
+ * 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.
+ */
+package org.onosproject.openflow;
+
+import java.util.Set;
+
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.driver.Behaviour;
+import org.onosproject.net.driver.Driver;
+import org.onosproject.net.driver.DriverHandler;
+import org.onosproject.net.driver.DriverService;
+
+/**
+ * Created by ray on 11/4/15.
+ */
+public class DriverServiceAdapter implements DriverService {
+    @Override
+    public Set<Driver> getDrivers() {
+        return null;
+    }
+
+    @Override
+    public Set<Driver> getDrivers(Class<? extends Behaviour> withBehaviour) {
+        return null;
+    }
+
+    @Override
+    public Driver getDriver(String mfr, String hw, String sw) {
+        return null;
+    }
+
+    @Override
+    public Driver getDriver(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public DriverHandler createHandler(DeviceId deviceId, String... credentials) {
+        return null;
+    }
+
+    @Override
+    public Driver getDriver(String driverName) {
+        return null;
+    }
+}