diff --git a/core/api/src/test/java/org/onosproject/core/netty/ChannelAdapter.java b/core/api/src/test/java/org/onosproject/core/netty/ChannelAdapter.java
new file mode 100644
index 0000000..b87cc75
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/core/netty/ChannelAdapter.java
@@ -0,0 +1,169 @@
+/*
+ * Copyright 2014-2015 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.core.netty;
+
+import java.net.SocketAddress;
+
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelConfig;
+import org.jboss.netty.channel.ChannelFactory;
+import org.jboss.netty.channel.ChannelFuture;
+import org.jboss.netty.channel.ChannelPipeline;
+
+/**
+ * Adapter for testing against a netty channel.
+ */
+public class ChannelAdapter implements Channel {
+    @Override
+    public Integer getId() {
+        return null;
+    }
+
+    @Override
+    public ChannelFactory getFactory() {
+        return null;
+    }
+
+    @Override
+    public Channel getParent() {
+        return null;
+    }
+
+    @Override
+    public ChannelConfig getConfig() {
+        return null;
+    }
+
+    @Override
+    public ChannelPipeline getPipeline() {
+        return null;
+    }
+
+    @Override
+    public boolean isOpen() {
+        return false;
+    }
+
+    @Override
+    public boolean isBound() {
+        return false;
+    }
+
+    @Override
+    public boolean isConnected() {
+        return false;
+    }
+
+    @Override
+    public SocketAddress getLocalAddress() {
+        return null;
+    }
+
+    @Override
+    public SocketAddress getRemoteAddress() {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture write(Object o) {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture write(Object o, SocketAddress socketAddress) {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture bind(SocketAddress socketAddress) {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture connect(SocketAddress socketAddress) {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture disconnect() {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture unbind() {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture close() {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture getCloseFuture() {
+        return null;
+    }
+
+    @Override
+    public int getInterestOps() {
+        return 0;
+    }
+
+    @Override
+    public boolean isReadable() {
+        return false;
+    }
+
+    @Override
+    public boolean isWritable() {
+        return false;
+    }
+
+    @Override
+    public ChannelFuture setInterestOps(int i) {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture setReadable(boolean b) {
+        return null;
+    }
+
+    @Override
+    public boolean getUserDefinedWritability(int i) {
+        return false;
+    }
+
+    @Override
+    public void setUserDefinedWritability(int i, boolean b) {
+
+    }
+
+    @Override
+    public Object getAttachment() {
+        return null;
+    }
+
+    @Override
+    public void setAttachment(Object o) {
+
+    }
+
+    @Override
+    public int compareTo(Channel o) {
+        return 0;
+    }
+}
diff --git a/core/api/src/test/java/org/onosproject/net/driver/DriverAdapter.java b/core/api/src/test/java/org/onosproject/net/driver/DriverAdapter.java
new file mode 100644
index 0000000..daf9e7b
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/net/driver/DriverAdapter.java
@@ -0,0 +1,100 @@
+/*
+ * 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.net.driver;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Test adapter for the driver class.
+ */
+public class DriverAdapter implements Driver {
+    @Override
+    public String name() {
+        return null;
+    }
+
+    @Override
+    public Driver parent() {
+        return null;
+    }
+
+    @Override
+    public List<Driver> parents() {
+        return null;
+    }
+
+    @Override
+    public String manufacturer() {
+        return null;
+    }
+
+    @Override
+    public String hwVersion() {
+        return null;
+    }
+
+    @Override
+    public String swVersion() {
+        return null;
+    }
+
+    @Override
+    public Set<Class<? extends Behaviour>> behaviours() {
+        return null;
+    }
+
+    @Override
+    public Class<? extends Behaviour> implementation(Class<? extends Behaviour> behaviour) {
+        return null;
+    }
+
+    @Override
+    public boolean hasBehaviour(Class<? extends Behaviour> behaviourClass) {
+        return true;
+    }
+
+    @Override
+    public <T extends Behaviour> T createBehaviour(DriverData data, Class<T> behaviourClass) {
+        return null;
+    }
+
+    @Override
+    public <T extends Behaviour> T createBehaviour(DriverHandler handler, Class<T> behaviourClass) {
+        return null;
+    }
+
+    @Override
+    public Map<String, String> properties() {
+        return null;
+    }
+
+    @Override
+    public Driver merge(Driver other) {
+        return null;
+    }
+
+    @Override
+    public Set<String> keys() {
+        return null;
+    }
+
+    @Override
+    public String value(String key) {
+        return null;
+    }
+}
diff --git a/core/api/src/test/java/org/onosproject/net/driver/DriverServiceAdapter.java b/core/api/src/test/java/org/onosproject/net/driver/DriverServiceAdapter.java
new file mode 100644
index 0000000..549711b
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/net/driver/DriverServiceAdapter.java
@@ -0,0 +1,56 @@
+/*
+ * 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.net.driver;
+
+import java.util.Set;
+
+import org.onosproject.net.DeviceId;
+
+
+/**
+ * Testing adapter for the driver service interface.
+ */
+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;
+    }
+}