diff --git a/app/src/test/java/org/onosproject/segmentrouting/xconnect/api/XconnectCodecTest.java b/app/src/test/java/org/onosproject/segmentrouting/xconnect/api/XconnectCodecTest.java
new file mode 100644
index 0000000..bac9ff4
--- /dev/null
+++ b/app/src/test/java/org/onosproject/segmentrouting/xconnect/api/XconnectCodecTest.java
@@ -0,0 +1,111 @@
+/*
+ * 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.segmentrouting.xconnect.api;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.collect.Sets;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.VlanId;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.codec.impl.MockCodecContext;
+import org.onosproject.net.DeviceId;
+
+import java.io.InputStream;
+import java.util.Set;
+
+import static org.junit.Assert.*;
+
+public class XconnectCodecTest {
+    private static final DeviceId DEVICE_ID = DeviceId.deviceId("of:1");
+    private static final VlanId VLAN_VID = VlanId.vlanId((short) 10);
+    private static final XconnectKey KEY = new XconnectKey(DEVICE_ID, VLAN_VID);
+    private static final XconnectEndpoint EP1 = XconnectEndpoint.fromString("1");
+    private static final XconnectEndpoint EP2 = XconnectEndpoint.fromString("2");
+    private static final XconnectEndpoint EP3 = XconnectEndpoint.fromString("LB:5");
+
+    private CodecContext context;
+    private JsonCodec<XconnectDesc> codec;
+
+    @Before
+    public void setUp() throws Exception {
+        context = new MockCodecContext();
+        codec = new XconnectCodec();
+    }
+
+    @Test
+    public void testEncodePort() throws Exception {
+        Set<XconnectEndpoint> endpoints1 = Sets.newHashSet(EP1, EP2);
+        XconnectDesc desc1 = new XconnectDesc(KEY, endpoints1);
+
+        ObjectMapper mapper = new ObjectMapper();
+        InputStream jsonStream1 = XconnectCodecTest.class.getResourceAsStream("/xconnect1.json");
+        JsonNode expected = mapper.readTree(jsonStream1);
+
+        JsonNode actual = codec.encode(desc1, context);
+
+        assertEquals(expected.get(XconnectCodec.DEVICE_ID), actual.get(XconnectCodec.DEVICE_ID));
+        assertEquals(expected.get(XconnectCodec.VLAN_ID).asInt(), actual.get(XconnectCodec.VLAN_ID).asInt());
+        assertEquals(expected.get(XconnectCodec.ENDPOINTS), actual.get(XconnectCodec.ENDPOINTS));
+    }
+
+    @Test
+    public void testDecodePort() throws Exception {
+        Set<XconnectEndpoint> endpoints1 = Sets.newHashSet(EP1, EP2);
+        XconnectDesc expected = new XconnectDesc(KEY, endpoints1);
+
+        ObjectMapper mapper = new ObjectMapper();
+        InputStream jsonStream1 = XconnectCodecTest.class.getResourceAsStream("/xconnect1.json");
+        ObjectNode objectNode = mapper.readTree(jsonStream1).deepCopy();
+
+        XconnectDesc actual = codec.decode(objectNode, context);
+
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testEncodeLb() throws Exception {
+        Set<XconnectEndpoint> endpoints1 = Sets.newHashSet(EP1, EP3);
+        XconnectDesc desc1 = new XconnectDesc(KEY, endpoints1);
+
+        ObjectMapper mapper = new ObjectMapper();
+        InputStream jsonStream1 = XconnectCodecTest.class.getResourceAsStream("/xconnect2.json");
+        JsonNode expected = mapper.readTree(jsonStream1);
+
+        JsonNode actual = codec.encode(desc1, context);
+
+        assertEquals(expected.get(XconnectCodec.DEVICE_ID), actual.get(XconnectCodec.DEVICE_ID));
+        assertEquals(expected.get(XconnectCodec.VLAN_ID).asInt(), actual.get(XconnectCodec.VLAN_ID).asInt());
+        assertEquals(expected.get(XconnectCodec.ENDPOINTS), actual.get(XconnectCodec.ENDPOINTS));
+    }
+
+    @Test
+    public void testDecodeLb() throws Exception {
+        Set<XconnectEndpoint> endpoints1 = Sets.newHashSet(EP1, EP3);
+        XconnectDesc expected = new XconnectDesc(KEY, endpoints1);
+
+        ObjectMapper mapper = new ObjectMapper();
+        InputStream jsonStream1 = XconnectCodecTest.class.getResourceAsStream("/xconnect2.json");
+        ObjectNode objectNode = mapper.readTree(jsonStream1).deepCopy();
+
+        XconnectDesc actual = codec.decode(objectNode, context);
+
+        assertEquals(expected, actual);
+    }
+}
\ No newline at end of file