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diff --git a/dcae-analytics-cdap-common/src/test/java/org/onap/dcae/apod/analytics/cdap/common/utils/DMaaPMRUtilsTest.java b/dcae-analytics-cdap-common/src/test/java/org/onap/dcae/apod/analytics/cdap/common/utils/DMaaPMRUtilsTest.java
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+++ b/dcae-analytics-cdap-common/src/test/java/org/onap/dcae/apod/analytics/cdap/common/utils/DMaaPMRUtilsTest.java
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+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ *  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.
+ *  ============================LICENSE_END===========================================
+ */
+
+package org.onap.dcae.apod.analytics.cdap.common.utils;
+
+import co.cask.cdap.api.metrics.Metrics;
+import com.google.common.collect.ImmutableList;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.ArgumentMatchers;
+import org.mockito.Mockito;
+import org.onap.dcae.apod.analytics.cdap.common.BaseAnalyticsCDAPCommonUnitTest;
+import org.onap.dcae.apod.analytics.cdap.common.CDAPMetricsConstants;
+import org.onap.dcae.apod.analytics.common.exception.DCAEAnalyticsRuntimeException;
+import org.onap.dcae.apod.analytics.dmaap.domain.response.DMaaPMRSubscriberResponse;
+import org.onap.dcae.apod.analytics.dmaap.service.subscriber.DMaaPMRSubscriber;
+
+import java.util.Collections;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+/**
+ * @author Rajiv Singla . Creation Date: 2/6/2017.
+ */
+public class DMaaPMRUtilsTest extends BaseAnalyticsCDAPCommonUnitTest {
+
+    private DMaaPMRSubscriber subscriber;
+    private Metrics metrics;
+
+
+    @Before
+    public void before() throws Exception {
+        metrics = mock(Metrics.class);
+        doNothing().when(metrics).count(anyString(), anyInt());
+        subscriber = mock(DMaaPMRSubscriber.class);
+    }
+
+    @Test
+    public void testGetSubscriberMessagesWhenMessagesAreFound() throws Exception {
+        final DMaaPMRSubscriberResponse subscriberResponse = mock(DMaaPMRSubscriberResponse.class);
+        when(subscriberResponse.getResponseCode()).thenReturn(200);
+        when(subscriberResponse.getResponseMessage()).thenReturn("testMessage");
+        when(subscriberResponse.getFetchedMessages()).thenReturn(ImmutableList.of("testMessage1", "testMessage1"));
+        when(subscriber.fetchMessages()).thenReturn(subscriberResponse);
+        DMaaPMRUtils.getSubscriberMessages(subscriber, metrics);
+        verify(metrics, Mockito.times(1)).count(ArgumentMatchers.eq(CDAPMetricsConstants
+                .DMAAP_MR_SUBSCRIBER_TOTAL_MESSAGES_PROCESSED_METRIC), eq(2));
+    }
+
+    @Test
+    public void testSubscriberMessagesWhenSubscriberResponseCodeIsNull() throws Exception {
+        final DMaaPMRSubscriberResponse subscriberResponse = mock(DMaaPMRSubscriberResponse.class);
+        when(subscriberResponse.getResponseCode()).thenReturn(null);
+        when(subscriber.fetchMessages()).thenReturn(subscriberResponse);
+        DMaaPMRUtils.getSubscriberMessages(subscriber, metrics);
+    }
+
+    @Test
+    public void testSubscriberMessagesWhenNoMessagesFound() throws Exception {
+        final DMaaPMRSubscriberResponse subscriberResponse = mock(DMaaPMRSubscriberResponse.class);
+        when(subscriberResponse.getResponseCode()).thenReturn(200);
+        when(subscriberResponse.getResponseMessage()).thenReturn("no messages");
+        when(subscriberResponse.getFetchedMessages()).thenReturn(Collections.<String>emptyList());
+        when(subscriber.fetchMessages()).thenReturn(subscriberResponse);
+        DMaaPMRUtils.getSubscriberMessages(subscriber, metrics);
+        verify(metrics, Mockito.times(1)).count(eq(CDAPMetricsConstants
+                .DMAAP_MR_SUBSCRIBER_RESPONSES_WITH_NO_MESSAGES_METRIC), eq(1));
+    }
+
+
+    @Test
+    public void testWhenSubscriberReturnNonSuccessfulReturnCode() throws Exception {
+        final DMaaPMRSubscriberResponse subscriberResponse = mock(DMaaPMRSubscriberResponse.class);
+        when(subscriberResponse.getResponseCode()).thenReturn(500);
+        when(subscriber.fetchMessages()).thenReturn(subscriberResponse);
+        DMaaPMRUtils.getSubscriberMessages(subscriber, metrics);
+        verify(metrics, Mockito.times(1)).count(eq(CDAPMetricsConstants
+                .DMAAP_MR_SUBSCRIBER_UNSUCCESSFUL_RESPONSES_METRIC), eq(1));
+    }
+
+    @Test
+    public void testWhenSubscriberThrowsException() throws Exception {
+        final DMaaPMRSubscriberResponse subscriberResponse = mock(DMaaPMRSubscriberResponse.class);
+        when(subscriberResponse.getResponseCode()).thenReturn(500);
+        when(subscriber.fetchMessages()).thenThrow(DCAEAnalyticsRuntimeException.class);
+        DMaaPMRUtils.getSubscriberMessages(subscriber, metrics);
+    }
+
+}