diff --git a/app/src/test/java/org/opencord/olt/impl/ConsistentHasherTest.java b/app/src/test/java/org/opencord/olt/impl/ConsistentHasherTest.java
new file mode 100644
index 0000000..1f682cb
--- /dev/null
+++ b/app/src/test/java/org/opencord/olt/impl/ConsistentHasherTest.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2020-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.opencord.olt.impl;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.net.DeviceId;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+
+public class ConsistentHasherTest {
+
+    private static final int WEIGHT = 10;
+
+    private static final NodeId N1 = new NodeId("10.0.0.1");
+    private static final NodeId N2 = new NodeId("10.0.0.2");
+    private static final NodeId N3 = new NodeId("10.0.0.3");
+
+    private ConsistentHasher hasher;
+
+    @Before
+    public void setUp() {
+        List<NodeId> servers = new ArrayList<>();
+        servers.add(N1);
+        servers.add(N2);
+
+        hasher = new ConsistentHasher(servers, WEIGHT);
+    }
+
+    @Test
+    public void testHasher() {
+        DeviceId deviceId = DeviceId.deviceId("foo");
+        NodeId server = hasher.hash(deviceId.toString());
+
+        assertThat(server, equalTo(N1));
+
+        deviceId = DeviceId.deviceId("bsaf");
+        server = hasher.hash(deviceId.toString());
+
+        assertThat(server, equalTo(N2));
+    }
+
+    @Test
+    public void testAddServer() {
+        DeviceId deviceId = DeviceId.deviceId("foo");
+        NodeId server = hasher.hash(deviceId.toString());
+
+        assertThat(server, equalTo(N1));
+
+        hasher.addServer(N3);
+
+        server = hasher.hash(deviceId.toString());
+
+        assertThat(server, equalTo(N3));
+    }
+}