diff --git a/apps/cfm/src/test/java/org/onosproject/soam/impl/DmWebResourceTest.java b/apps/cfm/src/test/java/org/onosproject/soam/impl/DmWebResourceTest.java
new file mode 100644
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+++ b/apps/cfm/src/test/java/org/onosproject/soam/impl/DmWebResourceTest.java
@@ -0,0 +1,299 @@
+/*
+ * Copyright 2017-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.soam.impl;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.osgi.ServiceDirectory;
+import org.onlab.osgi.TestServiceDirectory;
+import org.onlab.rest.BaseResource;
+import org.onosproject.cfm.CfmCodecContext;
+import org.onosproject.cfm.impl.CfmResourceTest;
+import org.onosproject.codec.CodecService;
+import org.onosproject.incubator.net.l2monitoring.cfm.DefaultMepEntry;
+import org.onosproject.incubator.net.l2monitoring.cfm.Mep;
+import org.onosproject.incubator.net.l2monitoring.cfm.MepEntry;
+import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdCharStr;
+import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MaIdShort;
+import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdId;
+import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MdIdCharStr;
+import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MepId;
+import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmConfigException;
+import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmMepService;
+import org.onosproject.incubator.net.l2monitoring.soam.SoamConfigException;
+import org.onosproject.incubator.net.l2monitoring.soam.SoamId;
+import org.onosproject.incubator.net.l2monitoring.soam.SoamService;
+import org.onosproject.incubator.net.l2monitoring.soam.delay.DefaultDelayMeasurementEntry;
+import org.onosproject.incubator.net.l2monitoring.soam.delay.DefaultDelayMeasurementStatCurrent;
+import org.onosproject.incubator.net.l2monitoring.soam.delay.DelayMeasurementCreate;
+import org.onosproject.incubator.net.l2monitoring.soam.delay.DelayMeasurementEntry;
+import org.onosproject.incubator.net.l2monitoring.soam.delay.DelayMeasurementStatCurrent;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+
+import javax.ws.rs.InternalServerErrorException;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.Response;
+
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.time.Duration;
+import java.time.Instant;
+import java.util.ArrayList;
+import java.util.List;
+
+import static junit.framework.TestCase.fail;
+import static org.easymock.EasyMock.*;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThat;
+
+public class DmWebResourceTest extends CfmResourceTest {
+    private final CfmMepService mepService = createMock(CfmMepService.class);
+    private final SoamService soamService = createMock(SoamService.class);
+
+    private static final MdId MDNAME1 = MdIdCharStr.asMdId("md-1");
+    private static final MaIdShort MANAME1 = MaIdCharStr.asMaId("ma-1-1");
+    private static final MepId MEPID1 = MepId.valueOf((short) 1);
+    private static final SoamId DM1 = SoamId.valueOf(1);
+    private static final SoamId DM2 = SoamId.valueOf(2);
+
+    private DelayMeasurementEntry dm1;
+    private DelayMeasurementEntry dm2;
+
+    private final Instant now = Instant.now();
+
+    @Before
+    public void setUpTest() throws CfmConfigException, SoamConfigException {
+        CfmCodecContext context = new CfmCodecContext();
+        ServiceDirectory testDirectory = new TestServiceDirectory()
+                .add(CfmMepService.class, mepService)
+                .add(SoamService.class, soamService)
+                .add(CodecService.class, context.codecManager());
+        BaseResource.setServiceDirectory(testDirectory);
+
+        DelayMeasurementStatCurrent.DmStatCurrentBuilder dmCurrBuilder1 =
+                (DelayMeasurementStatCurrent.DmStatCurrentBuilder)
+                        DefaultDelayMeasurementStatCurrent
+                        .builder(Duration.ofMinutes(1), false)
+                        .startTime(now)
+                        .frameDelayBackwardAvg(Duration.ofMillis(10))
+                        .frameDelayForwardAvg(Duration.ofMillis(11))
+                        .frameDelayRangeBackwardAvg(Duration.ofMillis(12));
+
+        dm1 = DefaultDelayMeasurementEntry.builder(DM1,
+                    DelayMeasurementCreate.DmType.DMDMM,
+                    DelayMeasurementCreate.Version.Y17312008,
+                    MepId.valueOf((short) 2),
+                    Mep.Priority.PRIO1)
+                .sessionStatus(DelayMeasurementEntry.SessionStatus.ACTIVE)
+                .frameDelayTwoWay(Duration.ofMillis(40))
+                .frameDelayBackward(Duration.ofMillis(30))
+                .frameDelayForward(Duration.ofMillis(10))
+                .interFrameDelayVariationTwoWay(Duration.ofMillis(8))
+                .interFrameDelayVariationBackward(Duration.ofMillis(3))
+                .interFrameDelayVariationForward(Duration.ofMillis(5))
+                .currentResult((DelayMeasurementStatCurrent) dmCurrBuilder1.build())
+                .build();
+
+        dm2 = DefaultDelayMeasurementEntry.builder(DM2,
+                    DelayMeasurementCreate.DmType.DMDMM,
+                    DelayMeasurementCreate.Version.Y17312011,
+                    MepId.valueOf((short) 2),
+                    Mep.Priority.PRIO2)
+                .build();
+    }
+
+    @Test
+    public void testGetAllDmsForMep() throws CfmConfigException, SoamConfigException {
+
+        List<DelayMeasurementEntry> dmList = new ArrayList<>();
+        dmList.add(dm1);
+        dmList.add(dm2);
+
+        expect(soamService.getAllDms(MDNAME1, MANAME1, MEPID1)).andReturn(dmList).anyTimes();
+        replay(soamService);
+
+        final WebTarget wt = target();
+        final String response = wt.path("md/" + MDNAME1.mdName() + "/ma/" +
+                MANAME1.maName() + "/mep/" + MEPID1.value() + "/dm")
+                .request().get(String.class);
+
+        assertThat(response, is("{\"dms\":[[" +
+                "{" +
+                    "\"dmId\":\"1\"," +
+                    "\"sessionStatus\":\"ACTIVE\"," +
+                    "\"frameDelayTwoWay\":\"PT0.04S\"," +
+                    "\"frameDelayForward\":\"PT0.01S\"," +
+                    "\"frameDelayBackward\":\"PT0.03S\"," +
+                    "\"interFrameDelayVariationTwoWay\":\"PT0.008S\"," +
+                    "\"interFrameDelayVariationForward\":\"PT0.005S\"," +
+                    "\"interFrameDelayVariationBackward\":\"PT0.003S\"," +
+                    "\"dmCfgType\":\"DMDMM\"," +
+                    "\"version\":\"Y17312008\"," +
+                    "\"remoteMepId\":2," +
+                    "\"priority\":\"PRIO1\"," +
+                    "\"measurementsEnabled\":[]," +
+                    "\"current\":{" +
+                        "\"startTime\":\"" + now + "\"," +
+                        "\"elapsedTime\":\"PT1M\"," +
+                        "\"suspectStatus\":\"false\"," +
+                        "\"frameDelayForwardAvg\":\"PT0.011S\"," +
+                        "\"frameDelayBackwardAvg\":\"PT0.01S\"," +
+                        "\"frameDelayRangeBackwardAvg\":\"PT0.012S\"" +
+                    "}," +
+                    "\"historic\":[]" +
+                "},{" +
+                    "\"dmId\":\"2\"," +
+                    "\"dmCfgType\":\"DMDMM\"," +
+                    "\"version\":\"Y17312011\"," +
+                    "\"remoteMepId\":2," +
+                    "\"priority\":\"PRIO2\"," +
+                    "\"measurementsEnabled\":[]," +
+                    "\"historic\":[]}]]" +
+                "}"));
+    }
+
+    @Test
+    public void testGetAllDmsForMepEmpty() throws CfmConfigException, SoamConfigException {
+
+        List<DelayMeasurementEntry> dmListEmpty = new ArrayList<>();
+
+        expect(soamService.getAllDms(MDNAME1, MANAME1, MEPID1)).andReturn(dmListEmpty).anyTimes();
+        replay(soamService);
+
+        final WebTarget wt = target();
+        final String response = wt.path("md/" + MDNAME1.mdName() + "/ma/" +
+                MANAME1.maName() + "/mep/" + MEPID1.value() + "/dm")
+                .request().get(String.class);
+
+        assertThat(response, is("{\"dms\":[[]]}"));
+    }
+
+    @Test
+    public void testGetDm() throws CfmConfigException, SoamConfigException {
+
+        expect(soamService.getDm(MDNAME1, MANAME1, MEPID1, DM1)).andReturn(dm1).anyTimes();
+        replay(soamService);
+
+        final WebTarget wt = target();
+        final String response = wt.path("md/" + MDNAME1.mdName() + "/ma/" +
+                MANAME1.maName() + "/mep/" + MEPID1.value() + "/dm/" + DM1.value())
+                .request().get(String.class);
+
+        assertThat(response, is("{\"dm\":" +
+                "{" +
+                    "\"dmId\":\"1\"," +
+                    "\"sessionStatus\":\"ACTIVE\"," +
+                    "\"frameDelayTwoWay\":\"PT0.04S\"," +
+                    "\"frameDelayForward\":\"PT0.01S\"," +
+                    "\"frameDelayBackward\":\"PT0.03S\"," +
+                    "\"interFrameDelayVariationTwoWay\":\"PT0.008S\"," +
+                    "\"interFrameDelayVariationForward\":\"PT0.005S\"," +
+                    "\"interFrameDelayVariationBackward\":\"PT0.003S\"," +
+                    "\"dmCfgType\":\"DMDMM\"," +
+                    "\"version\":\"Y17312008\"," +
+                    "\"remoteMepId\":2," +
+                    "\"priority\":\"PRIO1\"," +
+                    "\"measurementsEnabled\":[]," +
+                    "\"current\":{" +
+                        "\"startTime\":\"" + now + "\"," +
+                        "\"elapsedTime\":\"PT1M\"," +
+                        "\"suspectStatus\":\"false\"," +
+                        "\"frameDelayForwardAvg\":\"PT0.011S\"," +
+                        "\"frameDelayBackwardAvg\":\"PT0.01S\"," +
+                        "\"frameDelayRangeBackwardAvg\":\"PT0.012S\"" +
+                    "}," +
+                    "\"historic\":[]" +
+                "}}"));
+    }
+
+    @Test
+    public void testGetDmInvalid() throws CfmConfigException, SoamConfigException, IOException {
+
+        SoamId dm3 = SoamId.valueOf(3);
+
+        expect(soamService.getDm(MDNAME1, MANAME1, MEPID1, dm3)).andReturn(null).anyTimes();
+        replay(soamService);
+
+        final WebTarget wt = target();
+        try {
+            final String response = wt.path("md/" + MDNAME1.mdName() + "/ma/" +
+                    MANAME1.maName() + "/mep/" + MEPID1.value() + "/dm/" + dm3.value())
+                    .request().get(String.class);
+            fail("Expecting excpetion");
+        } catch (InternalServerErrorException e) {
+            ByteArrayInputStream is = (ByteArrayInputStream) e.getResponse().getEntity();
+            BufferedReader br = new BufferedReader(new InputStreamReader(is));
+            String line = null;
+            StringBuffer sb = new StringBuffer();
+            while ((line = br.readLine()) != null) {
+                sb.append(line);
+            }
+            assertEquals("{ \"failure\":\"DM md-1/ma-1-1/1/3 not found\" }", sb.toString());
+        }
+    }
+
+    @Test
+    public void testAbortDm() {
+
+        final WebTarget wt = target();
+        final Response response = wt.path("md/" + MDNAME1.mdName() + "/ma/" +
+                MANAME1.maName() + "/mep/" + MEPID1.value() + "/dm/" + DM1.value())
+                .request().delete();
+
+        assertEquals(200, response.getStatus());
+    }
+
+    @Test
+    public void testCreateDm() throws CfmConfigException, SoamConfigException {
+        MepEntry mep1 = DefaultMepEntry.builder(MEPID1, DeviceId.deviceId("netconf:1.2.3.4:830"),
+                PortNumber.portNumber(1), Mep.MepDirection.UP_MEP, MDNAME1, MANAME1).buildEntry();
+
+        expect(mepService.getMep(MDNAME1, MANAME1, MEPID1)).andReturn(mep1).anyTimes();
+        replay(mepService);
+
+        ObjectMapper mapper = new ObjectMapper();
+        CfmCodecContext context = new CfmCodecContext();
+        ObjectNode node = mapper.createObjectNode();
+        node.set("dm", context.codec(DelayMeasurementCreate.class).encode(dm1, context));
+
+        final WebTarget wt = target();
+        final Response response = wt.path("md/" + MDNAME1.mdName() + "/ma/" +
+                MANAME1.maName() + "/mep/" + MEPID1.value() + "/dm")
+                .request().post(Entity.json(node.toString()));
+
+        assertEquals(201, response.getStatus());
+    }
+
+    @Test
+    public void testClearDmHistory() {
+
+        final WebTarget wt = target();
+        final Response response = wt.path("md/" + MDNAME1.mdName() + "/ma/" +
+                MANAME1.maName() + "/mep/" + MEPID1.value() + "/dm/" + DM1.value() +
+                "/clear-history")
+                .request().put(Entity.json(""));
+
+        assertEquals(200, response.getStatus());
+    }
+
+}