diff --git a/hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/ha/TestSCMRatisResponse.java b/hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/ha/TestSCMRatisResponse.java
new file mode 100644
index 000000000000..daf08565888c
--- /dev/null
+++ b/hadoop-hdds/server-scm/src/test/java/org/apache/hadoop/hdds/scm/ha/TestSCMRatisResponse.java
@@ -0,0 +1,73 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.apache.hadoop.hdds.scm.ha;
+
+import com.google.protobuf.InvalidProtocolBufferException;
+import org.apache.ratis.protocol.ClientId;
+import org.apache.ratis.protocol.LeaderNotReadyException;
+import org.apache.ratis.protocol.Message;
+import org.apache.ratis.protocol.RaftClientReply;
+import org.apache.ratis.protocol.RaftException;
+import org.apache.ratis.protocol.RaftGroupId;
+import org.apache.ratis.protocol.RaftGroupMemberId;
+import org.apache.ratis.protocol.RaftPeerId;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Test for SCMRatisResponse.
+ */
+public class TestSCMRatisResponse {
+  private RaftGroupMemberId raftId;
+
+  @Before
+  public void init() {
+    raftId = RaftGroupMemberId.valueOf(
+        RaftPeerId.valueOf("peer"), RaftGroupId.randomId());
+  }
+
+  @Test
+  public void testEncodeAndDecodeSuccess() throws Exception {
+    SCMRatisResponse response = SCMRatisResponse.decode(new RaftClientReply(
+        ClientId.randomId(), raftId, 1L, true, Message.EMPTY,
+        null, 1L, null));
+    Assert.assertTrue(response.isSuccess());
+    Assert.assertEquals(Message.EMPTY,
+        SCMRatisResponse.encode(response.getResult()));
+  }
+
+  @Test
+  public void testDecodeOperationFailureWithException() throws Exception {
+    SCMRatisResponse response = SCMRatisResponse.decode(new RaftClientReply(
+        ClientId.randomId(), raftId, 1L, false, Message.EMPTY,
+        new LeaderNotReadyException(raftId), 1L, null));
+    Assert.assertFalse(response.isSuccess());
+    Assert.assertTrue(response.getException() instanceof RaftException);
+    Assert.assertNull(response.getResult());
+  }
+
+  @Test(expected =  InvalidProtocolBufferException.class)
+  public void testEncodeFailureWithNonProto() throws Exception {
+    // Non proto input
+    Message message = Message.valueOf("test");
+    // Should fail with exception.
+    SCMRatisResponse.encode(message);
+  }
+}