diff --git a/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/codec/K8sNodeCodecTest.java b/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/codec/K8sNodeCodecTest.java
new file mode 100644
index 0000000..7f156e8
--- /dev/null
+++ b/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/codec/K8sNodeCodecTest.java
@@ -0,0 +1,155 @@
+/*
+ * Copyright 2019-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.k8snode.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.IpAddress;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.codec.impl.CodecManager;
+import org.onosproject.core.CoreService;
+import org.onosproject.k8snode.api.DefaultK8sNode;
+import org.onosproject.k8snode.api.K8sNode;
+import org.onosproject.k8snode.api.K8sNodeState;
+import org.onosproject.net.DeviceId;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+import static junit.framework.TestCase.assertEquals;
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.replay;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.onosproject.k8snode.codec.K8sNodeJsonMatcher.matchesK8sNode;
+import static org.onosproject.net.NetTestTools.APP_ID;
+
+/**
+ * Unit tests for Kubernetes Node codec.
+ */
+public class K8sNodeCodecTest {
+
+    MockCodecContext context;
+
+    JsonCodec<K8sNode> k8sNodeCodec;
+
+    final CoreService mockCoreService = createMock(CoreService.class);
+    private static final String REST_APP_ID = "org.onosproject.rest";
+
+    /**
+     * Initial setup for this unit test.
+     */
+    @Before
+    public void setUp() {
+        context = new MockCodecContext();
+        k8sNodeCodec = new K8sNodeCodec();
+
+        assertThat(k8sNodeCodec, notNullValue());
+
+        expect(mockCoreService.registerApplication(REST_APP_ID))
+                .andReturn(APP_ID).anyTimes();
+        replay(mockCoreService);
+        context.registerService(CoreService.class, mockCoreService);
+    }
+
+    /**
+     * Tests the kubernetes minion node encoding.
+     */
+    @Test
+    public void testK8sMinionNodeEncode() {
+        K8sNode node = DefaultK8sNode.builder()
+                .hostname("minion")
+                .type(K8sNode.Type.MINION)
+                .state(K8sNodeState.INIT)
+                .managementIp(IpAddress.valueOf("10.10.10.1"))
+                .dataIp(IpAddress.valueOf("20.20.20.2"))
+                .intgBridge(DeviceId.deviceId("kbr-int"))
+                .build();
+
+        ObjectNode nodeJson = k8sNodeCodec.encode(node, context);
+        assertThat(nodeJson, matchesK8sNode(node));
+    }
+
+    /**
+     * Tests the kubernetes minion node decoding.
+     *
+     * @throws IOException IO exception
+     */
+    @Test
+    public void testK8sMinionNodeDecode() throws IOException {
+        K8sNode node = getK8sNode("K8sMinionNode.json");
+
+        assertEquals("minion", node.hostname());
+        assertEquals("MINION", node.type().name());
+        assertEquals("172.16.130.4", node.managementIp().toString());
+        assertEquals("172.16.130.4", node.dataIp().toString());
+        assertEquals("of:00000000000000a1", node.intgBridge().toString());
+    }
+
+    private K8sNode getK8sNode(String resourceName) throws IOException {
+        InputStream jsonStream = K8sNodeCodecTest.class.getResourceAsStream(resourceName);
+        JsonNode json = context.mapper().readTree(jsonStream);
+        assertThat(json, notNullValue());
+        K8sNode node = k8sNodeCodec.decode((ObjectNode) json, context);
+        assertThat(node, notNullValue());
+        return node;
+    }
+
+    private class MockCodecContext implements CodecContext {
+        private final ObjectMapper mapper = new ObjectMapper();
+        private final CodecManager manager = new CodecManager();
+        private final Map<Class<?>, Object> services = new HashMap<>();
+
+        /**
+         * Constructs a new mock codec context.
+         */
+        public MockCodecContext() {
+            manager.activate();
+        }
+
+        @Override
+        public ObjectMapper mapper() {
+            return mapper;
+        }
+
+        @Override
+        @SuppressWarnings("unchecked")
+        public <T> JsonCodec<T> codec(Class<T> entityClass) {
+            if (entityClass == K8sNode.class) {
+                return (JsonCodec<T>) k8sNodeCodec;
+            }
+            return manager.getCodec(entityClass);
+        }
+
+        @SuppressWarnings("unchecked")
+        @Override
+        public <T> T getService(Class<T> serviceClass) {
+            return (T) services.get(serviceClass);
+        }
+
+        // for registering mock services
+        public <T> void registerService(Class<T> serviceClass, T impl) {
+            services.put(serviceClass, impl);
+        }
+    }
+}
diff --git a/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/codec/K8sNodeJsonMatcher.java b/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/codec/K8sNodeJsonMatcher.java
new file mode 100644
index 0000000..58b15d2
--- /dev/null
+++ b/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/codec/K8sNodeJsonMatcher.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2019-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.k8snode.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.hamcrest.Description;
+import org.hamcrest.TypeSafeDiagnosingMatcher;
+import org.onosproject.k8snode.api.K8sNode;
+
+/**
+ * Hamcrest matcher for kubernetes node.
+ */
+public final class K8sNodeJsonMatcher extends TypeSafeDiagnosingMatcher<JsonNode> {
+
+    private final K8sNode node;
+
+    private static final String HOSTNAME = "hostname";
+    private static final String TYPE = "type";
+    private static final String MANAGEMENT_IP = "managementIp";
+    private static final String DATA_IP = "dataIp";
+    private static final String INTEGRATION_BRIDGE = "integrationBridge";
+    private static final String STATE = "state";
+
+    private K8sNodeJsonMatcher(K8sNode node) {
+        this.node = node;
+    }
+
+    @Override
+    protected boolean matchesSafely(JsonNode jsonNode, Description description) {
+
+        // check hostname
+        String jsonHostname = jsonNode.get(HOSTNAME).asText();
+        String hostname = node.hostname();
+        if (!jsonHostname.equals(hostname)) {
+            description.appendText("hostname was " + jsonHostname);
+            return false;
+        }
+
+        // check type
+        String jsonType = jsonNode.get(TYPE).asText();
+        String type = node.type().name();
+        if (!jsonType.equals(type)) {
+            description.appendText("type was " + jsonType);
+            return false;
+        }
+
+        // check management IP
+        String jsonMgmtIp = jsonNode.get(MANAGEMENT_IP).asText();
+        String mgmtIp = node.managementIp().toString();
+        if (!jsonMgmtIp.equals(mgmtIp)) {
+            description.appendText("management IP was " + jsonMgmtIp);
+            return false;
+        }
+
+        // check integration bridge
+        JsonNode jsonIntgBridge = jsonNode.get(INTEGRATION_BRIDGE);
+        if (jsonIntgBridge != null) {
+            String intgBridge = node.intgBridge().toString();
+            if (!jsonIntgBridge.asText().equals(intgBridge)) {
+                description.appendText("integration bridge was " + jsonIntgBridge);
+                return false;
+            }
+        }
+
+        // check state
+        String jsonState = jsonNode.get(STATE).asText();
+        String state = node.state().name();
+        if (!jsonState.equals(state)) {
+            description.appendText("state was " + jsonState);
+            return false;
+        }
+
+        // check data IP
+        JsonNode jsonDataIp = jsonNode.get(DATA_IP);
+        if (jsonDataIp != null) {
+            String dataIp = node.dataIp().toString();
+            if (!jsonDataIp.asText().equals(dataIp)) {
+                description.appendText("Data IP was " + jsonDataIp.asText());
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    @Override
+    public void describeTo(Description description) {
+        description.appendText(node.toString());
+    }
+
+    /**
+     * Factory to allocate an kubernetes node matcher.
+     *
+     * @param node kubernetes node object we are looking for
+     * @return matcher
+     */
+    public static K8sNodeJsonMatcher matchesK8sNode(K8sNode node) {
+        return new K8sNodeJsonMatcher(node);
+    }
+}
diff --git a/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/impl/K8sNodeManagerTest.java b/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/impl/K8sNodeManagerTest.java
new file mode 100644
index 0000000..066647b
--- /dev/null
+++ b/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/impl/K8sNodeManagerTest.java
@@ -0,0 +1,334 @@
+/*
+ * Copyright 2019-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.k8snode.impl;
+
+import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.MoreExecutors;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.junit.TestUtils;
+import org.onlab.packet.ChassisId;
+import org.onlab.packet.IpAddress;
+import org.onosproject.cluster.ClusterServiceAdapter;
+import org.onosproject.cluster.LeadershipServiceAdapter;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreServiceAdapter;
+import org.onosproject.core.DefaultApplicationId;
+import org.onosproject.event.Event;
+import org.onosproject.k8snode.api.DefaultK8sNode;
+import org.onosproject.k8snode.api.K8sNode;
+import org.onosproject.k8snode.api.K8sNodeEvent;
+import org.onosproject.k8snode.api.K8sNodeListener;
+import org.onosproject.k8snode.api.K8sNodeState;
+import org.onosproject.net.DefaultDevice;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.provider.ProviderId;
+import org.onosproject.store.service.TestStorageService;
+
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.onosproject.k8snode.api.K8sNode.Type.MINION;
+import static org.onosproject.k8snode.api.K8sNodeEvent.Type.K8S_NODE_COMPLETE;
+import static org.onosproject.k8snode.api.K8sNodeEvent.Type.K8S_NODE_CREATED;
+import static org.onosproject.k8snode.api.K8sNodeEvent.Type.K8S_NODE_INCOMPLETE;
+import static org.onosproject.k8snode.api.K8sNodeEvent.Type.K8S_NODE_REMOVED;
+import static org.onosproject.k8snode.api.K8sNodeEvent.Type.K8S_NODE_UPDATED;
+import static org.onosproject.k8snode.api.K8sNodeState.COMPLETE;
+import static org.onosproject.k8snode.api.K8sNodeState.INCOMPLETE;
+import static org.onosproject.k8snode.api.K8sNodeState.INIT;
+import static org.onosproject.net.Device.Type.SWITCH;
+
+/**
+ * Unit tests for Kubernetes node manager.
+ */
+public class K8sNodeManagerTest {
+
+    private static final ApplicationId TEST_APP_ID = new DefaultApplicationId(1, "test");
+
+    private static final String ERR_SIZE = "Number of nodes did not match";
+    private static final String ERR_NOT_MATCH = "Node did not match";
+    private static final String ERR_NOT_FOUND = "Node did not exist";
+
+    private static final String MINION_1_HOSTNAME = "minion_1";
+    private static final String MINION_2_HOSTNAME = "minion_2";
+    private static final String MINION_3_HOSTNAME = "minion_3";
+
+    private static final Device MINION_1_INTG_DEVICE = createDevice(1);
+    private static final Device MINION_2_INTG_DEVICE = createDevice(2);
+    private static final Device MINION_3_INTG_DEVICE = createDevice(3);
+
+    private static final K8sNode MINION_1 = createNode(
+            MINION_1_HOSTNAME,
+            MINION,
+            MINION_1_INTG_DEVICE,
+            IpAddress.valueOf("10.100.0.1"),
+            INIT
+    );
+    private static final K8sNode MINION_2 = createNode(
+            MINION_2_HOSTNAME,
+            MINION,
+            MINION_2_INTG_DEVICE,
+            IpAddress.valueOf("10.100.0.2"),
+            INIT
+    );
+    private static final K8sNode MINION_3 = createNode(
+            MINION_3_HOSTNAME,
+            MINION,
+            MINION_3_INTG_DEVICE,
+            IpAddress.valueOf("10.100.0.3"),
+            COMPLETE
+    );
+
+    private final TestK8sNodeListener testListener = new TestK8sNodeListener();
+
+    private K8sNodeManager target;
+    private DistributedK8sNodeStore nodeStore;
+
+    /**
+     * Initial setup for this unit test.
+     */
+    @Before
+    public void setUp() {
+        nodeStore = new DistributedK8sNodeStore();
+        TestUtils.setField(nodeStore, "coreService", new TestCoreService());
+        TestUtils.setField(nodeStore, "storageService", new TestStorageService());
+        TestUtils.setField(nodeStore, "eventExecutor", MoreExecutors.newDirectExecutorService());
+        nodeStore.activate();
+
+        nodeStore.createNode(MINION_2);
+        nodeStore.createNode(MINION_3);
+
+        target = new K8sNodeManager();
+        target.storageService = new TestStorageService();
+        target.coreService = new TestCoreService();
+        target.clusterService = new TestClusterService();
+        target.leadershipService = new TestLeadershipService();
+        target.nodeStore = nodeStore;
+        target.addListener(testListener);
+        target.activate();
+        testListener.events.clear();
+    }
+
+    /**
+     * Clean up unit test.
+     */
+    @After
+    public void tearDown() {
+        target.removeListener(testListener);
+        target.deactivate();
+        nodeStore.deactivate();
+        nodeStore = null;
+        target = null;
+    }
+
+    /**
+     * Checks if creating and removing a node work well with proper events.
+     */
+    @Test
+    public void testCreateAndRemoveNode() {
+        target.createNode(MINION_1);
+        assertEquals(ERR_SIZE, 3, target.nodes().size());
+        assertNotNull(target.node(MINION_1_HOSTNAME));
+
+        target.removeNode(MINION_1_HOSTNAME);
+        assertEquals(ERR_SIZE, 2, target.nodes().size());
+        assertNull(target.node(MINION_1_HOSTNAME));
+
+        validateEvents(K8S_NODE_CREATED, K8S_NODE_REMOVED);
+    }
+
+    /**
+     * Checks if creating null node fails with proper exception.
+     */
+    @Test(expected = NullPointerException.class)
+    public void testCreateNullNode() {
+        target.createNode(null);
+    }
+
+    /**
+     * Checks if creating a duplicated node fails with proper exception.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testCreateDuplicateNode() {
+        target.createNode(MINION_1);
+        target.createNode(MINION_1);
+    }
+
+    /**
+     * Checks if removing null node fails with proper exception.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testRemoveNullNode() {
+        target.removeNode(null);
+    }
+
+    /**
+     * Checks if updating a node works well with proper event.
+     */
+    @Test
+    public void testUpdateNode() {
+        K8sNode updated = DefaultK8sNode.from(MINION_2)
+                .dataIp(IpAddress.valueOf("10.200.0.100"))
+                .build();
+        target.updateNode(updated);
+        assertEquals(ERR_NOT_MATCH, updated, target.node(MINION_2_INTG_DEVICE.id()));
+        validateEvents(K8S_NODE_UPDATED);
+    }
+
+    /**
+     * Checks if updating a node state to complete generates proper events.
+     */
+    @Test
+    public void testUpdateNodeStateComplete() {
+        K8sNode updated = DefaultK8sNode.from(MINION_2)
+                .state(COMPLETE)
+                .build();
+        target.updateNode(updated);
+        assertEquals(ERR_NOT_MATCH, updated, target.node(MINION_2_HOSTNAME));
+        validateEvents(K8S_NODE_UPDATED, K8S_NODE_COMPLETE);
+    }
+
+    /**
+     * Checks if updating a node state to incomplete generates proper events.
+     */
+    @Test
+    public void testUpdateNodeStateIncomplete() {
+        K8sNode updated = DefaultK8sNode.from(MINION_3)
+                .state(INCOMPLETE)
+                .build();
+        target.updateNode(updated);
+        assertEquals(ERR_NOT_MATCH, updated, target.node(MINION_3_HOSTNAME));
+        validateEvents(K8S_NODE_UPDATED, K8S_NODE_INCOMPLETE);
+    }
+
+    /**
+     * Checks if updating a null node fails with proper exception.
+     */
+    @Test(expected = NullPointerException.class)
+    public void testUpdateNullNode() {
+        target.updateNode(null);
+    }
+
+    /**
+     * Checks if updating not existing node fails with proper exception.
+     */
+    @Test(expected = IllegalArgumentException.class)
+    public void testUpdateNotExistingNode() {
+        target.updateNode(MINION_1);
+    }
+
+    /**
+     * Checks if getting all nodes method returns correct set of nodes.
+     */
+    @Test
+    public void testGetAllNodes() {
+        assertEquals(ERR_SIZE, 2, target.nodes().size());
+        assertTrue(ERR_NOT_FOUND, target.nodes().contains(MINION_2));
+        assertTrue(ERR_NOT_FOUND, target.nodes().contains(MINION_3));
+    }
+
+    /**
+     * Checks if getting complete nodes method returns correct set of nodes.
+     */
+    @Test
+    public void testGetCompleteNodes() {
+        assertEquals(ERR_SIZE, 1, target.completeNodes().size());
+        assertTrue(ERR_NOT_FOUND, target.completeNodes().contains(MINION_3));
+    }
+
+    /**
+     * Checks if getting nodes by type method returns correct set of nodes.
+     */
+    @Test
+    public void testGetNodesByType() {
+        assertEquals(ERR_SIZE, 2, target.nodes(MINION).size());
+        assertTrue(ERR_NOT_FOUND, target.nodes(MINION).contains(MINION_2));
+        assertTrue(ERR_NOT_FOUND, target.nodes(MINION).contains(MINION_3));
+    }
+
+    /**
+     * Checks if getting a node by hostname returns correct node.
+     */
+    @Test
+    public void testGetNodeByHostname() {
+        assertEquals(ERR_NOT_FOUND, target.node(MINION_2_HOSTNAME), MINION_2);
+        assertEquals(ERR_NOT_FOUND, target.node(MINION_3_HOSTNAME), MINION_3);
+    }
+
+    private void validateEvents(Enum... types) {
+        int i = 0;
+        assertEquals("Number of events did not match", types.length, testListener.events.size());
+        for (Event event : testListener.events) {
+            assertEquals("Incorrect event received", types[i], event.type());
+            i++;
+        }
+        testListener.events.clear();
+    }
+
+    private static Device createDevice(long devIdNum) {
+        return new DefaultDevice(new ProviderId("of", "foo"),
+                DeviceId.deviceId(String.format("of:%016d", devIdNum)),
+                SWITCH,
+                "manufacturer",
+                "hwVersion",
+                "swVersion",
+                "serialNumber",
+                new ChassisId(1));
+    }
+
+    private static class TestK8sNodeListener implements K8sNodeListener {
+        private List<K8sNodeEvent> events = Lists.newArrayList();
+
+        @Override
+        public void event(K8sNodeEvent event) {
+            events.add(event);
+        }
+    }
+
+    private static class TestCoreService extends CoreServiceAdapter {
+        @Override
+        public ApplicationId registerApplication(String name) {
+            return TEST_APP_ID;
+        }
+    }
+
+    private class TestClusterService extends ClusterServiceAdapter {
+
+    }
+
+    private static class TestLeadershipService extends LeadershipServiceAdapter {
+
+    }
+
+    private static K8sNode createNode(String hostname, K8sNode.Type type,
+                                      Device intgBridge, IpAddress ipAddr,
+                                      K8sNodeState state) {
+        return DefaultK8sNode.builder()
+                .hostname(hostname)
+                .type(type)
+                .intgBridge(intgBridge.id())
+                .managementIp(ipAddr)
+                .dataIp(ipAddr)
+                .state(state)
+                .build();
+    }
+}
diff --git a/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/web/K8sNodeCodecRegisterTest.java b/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/web/K8sNodeCodecRegisterTest.java
new file mode 100644
index 0000000..09958bd
--- /dev/null
+++ b/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/web/K8sNodeCodecRegisterTest.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2019-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.k8snode.web;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Maps;
+import org.junit.Test;
+import org.onlab.junit.TestUtils;
+import org.onosproject.codec.CodecService;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.k8snode.api.K8sNode;
+import org.onosproject.k8snode.codec.K8sNodeCodec;
+
+import java.util.Map;
+import java.util.Set;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+/**
+ * Unit tests for kubernetes node codec register.
+ */
+public final class K8sNodeCodecRegisterTest {
+
+    private K8sNodeCodecRegister register;
+
+    /**
+     * Tests codec register activation and deactivation.
+     */
+    @Test
+    public void testActivateDeactivate() {
+        register = new K8sNodeCodecRegister();
+        CodecService codecService = new TestCodecService();
+
+        TestUtils.setField(register, "codecService", codecService);
+        register.activate();
+
+        assertEquals(K8sNodeCodec.class.getName(),
+                codecService.getCodec(K8sNode.class).getClass().getName());
+
+        register.deactivate();
+
+        assertNull(codecService.getCodec(K8sNode.class));
+    }
+
+    private static class TestCodecService implements CodecService {
+
+        private Map<String, JsonCodec> codecMap = Maps.newConcurrentMap();
+
+        @Override
+        public Set<Class<?>> getCodecs() {
+            return ImmutableSet.of();
+        }
+
+        @Override
+        public <T> JsonCodec<T> getCodec(Class<T> entityClass) {
+            return codecMap.get(entityClass.getName());
+        }
+
+        @Override
+        public <T> void registerCodec(Class<T> entityClass, JsonCodec<T> codec) {
+            codecMap.put(entityClass.getName(), codec);
+        }
+
+        @Override
+        public void unregisterCodec(Class<?> entityClass) {
+            codecMap.remove(entityClass.getName());
+        }
+    }
+}
diff --git a/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/web/K8sNodeWebResourceTest.java b/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/web/K8sNodeWebResourceTest.java
new file mode 100644
index 0000000..c52f398
--- /dev/null
+++ b/apps/k8s-node/app/src/test/java/org/onosproject/k8snode/web/K8sNodeWebResourceTest.java
@@ -0,0 +1,214 @@
+/*
+ * Copyright 2019-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.k8snode.web;
+
+import org.glassfish.jersey.server.ResourceConfig;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.osgi.ServiceDirectory;
+import org.onlab.osgi.TestServiceDirectory;
+import org.onlab.packet.IpAddress;
+import org.onosproject.codec.CodecService;
+import org.onosproject.codec.impl.CodecManager;
+import org.onosproject.k8snode.api.DefaultK8sNode;
+import org.onosproject.k8snode.api.K8sNode;
+import org.onosproject.k8snode.api.K8sNodeAdminService;
+import org.onosproject.k8snode.api.K8sNodeState;
+import org.onosproject.k8snode.codec.K8sNodeCodec;
+import org.onosproject.net.DeviceId;
+import org.onosproject.rest.resources.ResourceTest;
+
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.io.InputStream;
+
+import static org.easymock.EasyMock.anyObject;
+import static org.easymock.EasyMock.anyString;
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.verify;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Unit test for Kubernetes node REST API.
+ */
+public class K8sNodeWebResourceTest extends ResourceTest {
+
+    final K8sNodeAdminService mockK8sNodeAdminService = createMock(K8sNodeAdminService.class);
+    private static final String PATH = "configure";
+
+    private K8sNode k8sNode;
+
+    /**
+     * Constructs a kubernetes node resource test instance.
+     */
+    public K8sNodeWebResourceTest() {
+        super(ResourceConfig.forApplicationClass(K8sNodeWebApplication.class));
+    }
+
+    /**
+     * Sets up the global values for all the tests.
+     */
+    @Before
+    public void setUpTest() {
+        final CodecManager codecService = new CodecManager();
+        codecService.activate();
+        codecService.registerCodec(K8sNode.class, new K8sNodeCodec());
+        ServiceDirectory testDirectory =
+                new TestServiceDirectory()
+                .add(K8sNodeAdminService.class, mockK8sNodeAdminService)
+                .add(CodecService.class, codecService);
+        setServiceDirectory(testDirectory);
+
+        k8sNode = DefaultK8sNode.builder()
+                .hostname("minion-node")
+                .type(K8sNode.Type.MINION)
+                .dataIp(IpAddress.valueOf("10.134.34.222"))
+                .managementIp(IpAddress.valueOf("10.134.231.30"))
+                .intgBridge(DeviceId.deviceId("of:00000000000000a1"))
+                .state(K8sNodeState.INIT)
+                .build();
+    }
+
+    /**
+     * Tests the results of the REST API POST method with creating new nodes operation.
+     */
+    @Test
+    public void testCreateNodesWithCreateOperation() {
+        expect(mockK8sNodeAdminService.node(anyString())).andReturn(null).once();
+        mockK8sNodeAdminService.createNode(anyObject());
+        replay(mockK8sNodeAdminService);
+
+        final WebTarget wt = target();
+        InputStream jsonStream = K8sNodeWebResourceTest.class
+                .getResourceAsStream("k8s-node-minion-config.json");
+        Response response = wt.path(PATH).request(MediaType.APPLICATION_JSON_TYPE)
+                .post(Entity.json(jsonStream));
+        final int status = response.getStatus();
+
+        assertThat(status, is(201));
+
+        verify(mockK8sNodeAdminService);
+    }
+
+    /**
+     * Tests the results of the REST API POST method without creating new nodes operation.
+     */
+    @Test
+    public void testCreateNodesWithoutCreateOperation() {
+        expect(mockK8sNodeAdminService.node(anyString())).andReturn(k8sNode).once();
+        replay(mockK8sNodeAdminService);
+
+        final WebTarget wt = target();
+        InputStream jsonStream = K8sNodeWebResourceTest.class
+                .getResourceAsStream("k8s-node-minion-config.json");
+        Response response = wt.path(PATH).request(MediaType.APPLICATION_JSON_TYPE)
+                .post(Entity.json(jsonStream));
+        final int status = response.getStatus();
+
+        assertThat(status, is(201));
+
+        verify(mockK8sNodeAdminService);
+    }
+
+    /**
+     * Tests the results of the REST API PUT method with modifying the nodes.
+     */
+    @Test
+    public void testUpdateNodesWithoutModifyOperation() {
+        expect(mockK8sNodeAdminService.node(anyString())).andReturn(k8sNode).once();
+        mockK8sNodeAdminService.updateNode(anyObject());
+        replay(mockK8sNodeAdminService);
+
+        final WebTarget wt = target();
+        InputStream jsonStream = K8sNodeWebResourceTest.class
+                .getResourceAsStream("k8s-node-minion-config.json");
+        Response response = wt.path(PATH).request(MediaType.APPLICATION_JSON_TYPE)
+                .put(Entity.json(jsonStream));
+        final int status = response.getStatus();
+
+        assertThat(status, is(200));
+
+        verify(mockK8sNodeAdminService);
+    }
+
+    /**
+     * Tests the results of the REST API PUT method without modifying the nodes.
+     */
+    @Test
+    public void testUpdateNodesWithModifyOperation() {
+        expect(mockK8sNodeAdminService.node(anyString())).andReturn(null).once();
+        replay(mockK8sNodeAdminService);
+
+        final WebTarget wt = target();
+        InputStream jsonStream = K8sNodeWebResourceTest.class
+                .getResourceAsStream("k8s-node-minion-config.json");
+        Response response = wt.path(PATH).request(MediaType.APPLICATION_JSON_TYPE)
+                .put(Entity.json(jsonStream));
+        final int status = response.getStatus();
+
+        assertThat(status, is(304));
+
+        verify(mockK8sNodeAdminService);
+    }
+
+    /**
+     * Tests the results of the REST API DELETE method with deleting the nodes.
+     */
+    @Test
+    public void testDeleteNodesWithDeletionOperation() {
+        expect(mockK8sNodeAdminService.node(anyString())).andReturn(k8sNode).once();
+        expect(mockK8sNodeAdminService.removeNode(anyString())).andReturn(k8sNode).once();
+        replay(mockK8sNodeAdminService);
+
+        String location = PATH + "/minion-node";
+
+        final WebTarget wt = target();
+        Response response = wt.path(location).request(
+                MediaType.APPLICATION_JSON_TYPE).delete();
+
+        final int status = response.getStatus();
+
+        assertThat(status, is(204));
+
+        verify(mockK8sNodeAdminService);
+    }
+
+    /**
+     * Tests the results of the REST API DELETE method without deleting the nodes.
+     */
+    @Test
+    public void testDeleteNodesWithoutDeletionOperation() {
+        expect(mockK8sNodeAdminService.node(anyString())).andReturn(null).once();
+        replay(mockK8sNodeAdminService);
+
+        String location = PATH + "/minion-node";
+
+        final WebTarget wt = target();
+        Response response = wt.path(location).request(
+                MediaType.APPLICATION_JSON_TYPE).delete();
+
+        final int status = response.getStatus();
+
+        assertThat(status, is(304));
+
+        verify(mockK8sNodeAdminService);
+    }
+}