diff --git a/apps/openstacknode/src/test/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeTest.java b/apps/openstacknode/src/test/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeTest.java
new file mode 100644
index 0000000..fdc7028
--- /dev/null
+++ b/apps/openstacknode/src/test/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeTest.java
@@ -0,0 +1,152 @@
+/*
+ * Copyright 2017-present 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.openstacknode.impl;
+
+import com.google.common.testing.EqualsTester;
+import org.junit.Test;
+import org.onlab.packet.IpAddress;
+import org.onosproject.net.Device;
+import org.onosproject.openstacknode.api.NodeState;
+import org.onosproject.openstacknode.api.OpenstackNode;
+
+/**
+ * Unit tests for DefaultOpenstackNode.
+ */
+public class DefaultOpenstackNodeTest extends OpenstackNodeTest {
+
+    private static final IpAddress TEST_IP = IpAddress.valueOf("10.100.0.3");
+
+    private static final String HOSTNAME_1 = "hostname_1";
+    private static final String HOSTNAME_2 = "hostname_2";
+    private static final Device DEVICE_1 = createDevice(1);
+    private static final Device DEVICE_2 = createDevice(2);
+    private static final OpenstackNode OS_NODE_1 = createNode(
+            HOSTNAME_1,
+            OpenstackNode.NodeType.COMPUTE,
+            DEVICE_1,
+            TEST_IP,
+            NodeState.INIT);
+    private static final OpenstackNode OS_NODE_2 = createNode(
+            HOSTNAME_1,
+            OpenstackNode.NodeType.COMPUTE,
+            DEVICE_1,
+            TEST_IP,
+            NodeState.COMPLETE);
+    private static final OpenstackNode OS_NODE_3 = createNode(
+            HOSTNAME_2,
+            OpenstackNode.NodeType.COMPUTE,
+            DEVICE_2,
+            TEST_IP,
+            NodeState.INIT);
+
+    /**
+     * Checks equals method works as expected.
+     */
+    @Test
+    public void testEquality() {
+        new EqualsTester().addEqualityGroup(OS_NODE_1, OS_NODE_2)
+                .addEqualityGroup(OS_NODE_3)
+                .testEquals();
+    }
+
+    /**
+     * Checks building a node without hostname fails with proper exception.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testBuildWithoutHostname() {
+        DefaultOpenstackNode.builder()
+                .type(OpenstackNode.NodeType.COMPUTE)
+                .intgBridge(DEVICE_1.id())
+                .managementIp(TEST_IP)
+                .dataIp(TEST_IP)
+                .state(NodeState.INIT)
+                .build();
+    }
+
+    /**
+     * Checks building a node without type fails with proper exception.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testBuildWithoutType() {
+        DefaultOpenstackNode.builder()
+                .hostname(HOSTNAME_1)
+                .intgBridge(DEVICE_1.id())
+                .managementIp(TEST_IP)
+                .dataIp(TEST_IP)
+                .state(NodeState.INIT)
+                .build();
+    }
+
+    /**
+     * Checks building a node without integration bridge ID fails with
+     * proper exception.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testBuildWithoutIntegrationBridgeId() {
+        DefaultOpenstackNode.builder()
+                .hostname(HOSTNAME_1)
+                .type(OpenstackNode.NodeType.COMPUTE)
+                .managementIp(TEST_IP)
+                .dataIp(TEST_IP)
+                .state(NodeState.INIT)
+                .build();
+    }
+
+    /**
+     * Checks building a node without management IP address fails with
+     * proper exception.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testBuildWithoutManagementIp() {
+        DefaultOpenstackNode.builder()
+                .hostname(HOSTNAME_1)
+                .type(OpenstackNode.NodeType.COMPUTE)
+                .intgBridge(DEVICE_1.id())
+                .dataIp(TEST_IP)
+                .state(NodeState.INIT)
+                .build();
+    }
+
+    /**
+     * Checks building a node without data IP nor VLAN interface name
+     * fails with proper exception.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testBuildWithoutDataIpNorVlanIntf() {
+        DefaultOpenstackNode.builder()
+                .hostname(HOSTNAME_1)
+                .type(OpenstackNode.NodeType.COMPUTE)
+                .intgBridge(DEVICE_1.id())
+                .state(NodeState.INIT)
+                .build();
+    }
+
+    /**
+     * Checks building a gateway type node without router bridge ID
+     * fails with proper exception.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testGatewayWithoutRouterBridgeId() {
+        DefaultOpenstackNode.builder()
+                .hostname(HOSTNAME_1)
+                .type(OpenstackNode.NodeType.GATEWAY)
+                .intgBridge(DEVICE_1.id())
+                .managementIp(TEST_IP)
+                .dataIp(TEST_IP)
+                .state(NodeState.INIT)
+                .build();
+    }
+}