diff --git a/apps/vtn/sfcmgr/src/test/java/org/onosproject/sfc/manager/impl/SfcManagerTest.java b/apps/vtn/sfcmgr/src/test/java/org/onosproject/sfc/manager/impl/SfcManagerTest.java
new file mode 100644
index 0000000..e4f31f9
--- /dev/null
+++ b/apps/vtn/sfcmgr/src/test/java/org/onosproject/sfc/manager/impl/SfcManagerTest.java
@@ -0,0 +1,269 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.sfc.manager.impl;
+
+import org.junit.Test;
+
+import java.util.List;
+import java.util.LinkedList;
+
+import org.onlab.packet.IpPrefix;
+import org.onosproject.sfc.manager.SfcService;
+import org.onosproject.vtnrsc.DefaultPortChain;
+import org.onosproject.vtnrsc.DefaultPortPair;
+import org.onosproject.vtnrsc.DefaultPortPairGroup;
+import org.onosproject.vtnrsc.PortChain;
+import org.onosproject.vtnrsc.PortChainId;
+import org.onosproject.vtnrsc.PortPair;
+import org.onosproject.vtnrsc.PortPairGroup;
+import org.onosproject.vtnrsc.PortPairGroupId;
+import org.onosproject.vtnrsc.PortPairId;
+import org.onosproject.vtnrsc.TenantId;
+import org.onosproject.vtnrsc.DefaultFlowClassifier;
+import org.onosproject.vtnrsc.FlowClassifierId;
+import org.onosproject.vtnrsc.VirtualPortId;
+import org.onosproject.vtnrsc.FlowClassifier;
+
+/**
+ * Unit tests for SfcManager class.
+ */
+public class SfcManagerTest {
+    /**
+     * Checks the operation of onPortPairCreated() method.
+     */
+    @Test
+    public void testOnPortPairCreated() {
+        final PortPairId portPairId = PortPairId.of("78888888-fc23-aeb6-f44b-56dc5e2fb3ae");
+        final TenantId tenantId = TenantId.tenantId("1");
+        final String name = "PortPair";
+        final String description = "PortPair";
+        final String ingress = "d3333333-24fc-4fae-af4b-321c5e2eb3d1";
+        final String egress = "a4444444-4a56-2a6e-cd3a-9dee4e2ec345";
+        DefaultPortPair.Builder portPairBuilder = new DefaultPortPair.Builder();
+        PortPair portPair = null;
+        SfcService sfcService = new SfcManager();
+
+        // create port pair
+        portPair = portPairBuilder.setId(portPairId).setTenantId(tenantId).setName(name).setDescription(description)
+                .setIngress(ingress).setEgress(egress).build();
+        sfcService.onPortPairCreated(portPair);
+    }
+
+    /**
+     * Checks the operation of onPortPairDeleted() method.
+     */
+    @Test
+    public void testOnPortPairDeleted() {
+        final PortPairId portPairId = PortPairId.of("78888888-fc23-aeb6-f44b-56dc5e2fb3ae");
+        final TenantId tenantId = TenantId.tenantId("1");
+        final String name = "PortPair";
+        final String description = "PortPair";
+        final String ingress = "d3333333-24fc-4fae-af4b-321c5e2eb3d1";
+        final String egress = "a4444444-4a56-2a6e-cd3a-9dee4e2ec345";
+        DefaultPortPair.Builder portPairBuilder = new DefaultPortPair.Builder();
+        PortPair portPair = null;
+        SfcService sfcService = new SfcManager();
+
+        // create port pair
+        portPair = portPairBuilder.setId(portPairId).setTenantId(tenantId).setName(name).setDescription(description)
+                .setIngress(ingress).setEgress(egress).build();
+        sfcService.onPortPairDeleted(portPair);
+    }
+
+    /**
+     * Checks the operation of onPortPairGroupCreated() method.
+     */
+    @Test
+    public void testOnPortPairGroupCreated() {
+        final PortPairGroupId portPairGroupId = PortPairGroupId.of("78888888-fc23-aeb6-f44b-56dc5e2fb3ae");
+        final TenantId tenantId = TenantId.tenantId("1");
+        final String name = "PortPairGroup";
+        final String description = "PortPairGroup";
+        final List<PortPairId> portPairIdList = new LinkedList<PortPairId>();
+        DefaultPortPairGroup.Builder portPairGroupBuilder = new DefaultPortPairGroup.Builder();
+        PortPairGroup portPairGroup = null;
+        SfcService sfcService = new SfcManager();
+
+        // create port-pair-id list
+        PortPairId portPairId = PortPairId.of("73333333-fc23-aeb6-f44b-56dc5e2fb3ae");
+        portPairIdList.add(portPairId);
+        portPairId = PortPairId.of("74444444-fc23-aeb6-f44b-56dc5e2fb3ae");
+        portPairIdList.add(portPairId);
+
+        // create port pair
+        portPairGroup = portPairGroupBuilder.setId(portPairGroupId).setTenantId(tenantId).setName(name)
+                .setDescription(description).setPortPairs(portPairIdList).build();
+        sfcService.onPortPairGroupCreated(portPairGroup);
+    }
+
+    /**
+     * Checks the operation of onPortPairGroupDeleted() method.
+     */
+    @Test
+    public void testOnPortPairGroupDeleted() {
+        final PortPairGroupId portPairGroupId = PortPairGroupId.of("78888888-fc23-aeb6-f44b-56dc5e2fb3ae");
+        final TenantId tenantId = TenantId.tenantId("1");
+        final String name = "PortPairGroup";
+        final String description = "PortPairGroup";
+        final List<PortPairId> portPairIdList = new LinkedList<PortPairId>();
+        DefaultPortPairGroup.Builder portPairGroupBuilder = new DefaultPortPairGroup.Builder();
+        PortPairGroup portPairGroup = null;
+        SfcService sfcService = new SfcManager();
+
+        // create port-pair-id list
+        PortPairId portPairId = PortPairId.of("73333333-fc23-aeb6-f44b-56dc5e2fb3ae");
+        portPairIdList.add(portPairId);
+        portPairId = PortPairId.of("74444444-fc23-aeb6-f44b-56dc5e2fb3ae");
+        portPairIdList.add(portPairId);
+
+        // create port pair
+        portPairGroup = portPairGroupBuilder.setId(portPairGroupId).setTenantId(tenantId).setName(name)
+                .setDescription(description).setPortPairs(portPairIdList).build();
+        sfcService.onPortPairGroupDeleted(portPairGroup);
+    }
+
+    /**
+     * Checks the operation of onFlowClassifierCreated() method.
+     */
+    @Test
+    public void testOnFlowClassifierCreated() {
+        final String name = "FlowClassifier";
+        final String description = "FlowClassifier";
+        final String ethType = "IPv4";
+        final String protocol = "udp";
+        final int minSrcPortRange = 1024;
+        final int maxSrcPortRange = 5000;
+        final int minDstPortRange = 1024;
+        final int maxDstPortRange = 5000;
+        final FlowClassifierId flowClassifierId = FlowClassifierId.of("71111111-fc23-aeb6-f44b-56dc5e2fb3ae");
+        final TenantId tenantId = TenantId.tenantId("8");
+        final IpPrefix srcIpPrefix = IpPrefix.valueOf("0.0.0.0/0");
+        final IpPrefix dstIpPrefix = IpPrefix.valueOf("100.100.100.100/0");
+        final VirtualPortId virtualSrcPort = VirtualPortId.portId("100");
+        final VirtualPortId virtualDstPort = VirtualPortId.portId("200");
+        DefaultFlowClassifier.Builder flowClassifierBuilder = new DefaultFlowClassifier.Builder();
+        FlowClassifier flowClassifier = null;
+        SfcService sfcService = new SfcManager();
+
+        // create flow classifier
+        flowClassifier = flowClassifierBuilder.setFlowClassifierId(flowClassifierId).setTenantId(tenantId)
+                .setName(name).setDescription(description).setEtherType(ethType).setProtocol(protocol)
+                .setMinSrcPortRange(minSrcPortRange).setMaxSrcPortRange(maxSrcPortRange)
+                .setMinDstPortRange(minDstPortRange).setMaxDstPortRange(maxDstPortRange).setSrcIpPrefix(srcIpPrefix)
+                .setDstIpPrefix(dstIpPrefix).setSrcPort(virtualSrcPort).setDstPort(virtualDstPort).build();
+        sfcService.onFlowClassifierCreated(flowClassifier);
+    }
+
+    /**
+     * Checks the operation of onFlowClassifierDeleted() method.
+     */
+    @Test
+    public void testOnFlowClassifierDeleted() {
+        final String name = "FlowClassifier";
+        final String description = "FlowClassifier";
+        final String ethType = "IPv4";
+        final String protocol = "udp";
+        final int minSrcPortRange = 1024;
+        final int maxSrcPortRange = 5000;
+        final int minDstPortRange = 1024;
+        final int maxDstPortRange = 5000;
+        final FlowClassifierId flowClassifierId = FlowClassifierId.of("71111111-fc23-aeb6-f44b-56dc5e2fb3ae");
+        final TenantId tenantId = TenantId.tenantId("8");
+        final IpPrefix srcIpPrefix = IpPrefix.valueOf("0.0.0.0/0");
+        final IpPrefix dstIpPrefix = IpPrefix.valueOf("100.100.100.100/0");
+        final VirtualPortId virtualSrcPort = VirtualPortId.portId("100");
+        final VirtualPortId virtualDstPort = VirtualPortId.portId("200");
+        DefaultFlowClassifier.Builder flowClassifierBuilder = new DefaultFlowClassifier.Builder();
+        FlowClassifier flowClassifier = null;
+        SfcService sfcService = new SfcManager();
+
+        // create flow classifier
+        flowClassifier = flowClassifierBuilder.setFlowClassifierId(flowClassifierId).setTenantId(tenantId)
+                .setName(name).setDescription(description).setEtherType(ethType).setProtocol(protocol)
+                .setMinSrcPortRange(minSrcPortRange).setMaxSrcPortRange(maxSrcPortRange)
+                .setMinDstPortRange(minDstPortRange).setMaxDstPortRange(maxDstPortRange).setSrcIpPrefix(srcIpPrefix)
+                .setDstIpPrefix(dstIpPrefix).setSrcPort(virtualSrcPort).setDstPort(virtualDstPort).build();
+        sfcService.onFlowClassifierDeleted(flowClassifier);
+    }
+
+    /**
+     * Checks the operation of onPortChainCreated() method.
+     */
+    @Test
+    public void testOnPortChainCreated() {
+        final PortChainId portChainId = PortChainId.of("78888888-fc23-aeb6-f44b-56dc5e2fb3ae");
+        final TenantId tenantId = TenantId.tenantId("1");
+        final String name = "PortChain";
+        final String description = "PortChain";
+        final List<PortPairGroupId> portPairGroupList = new LinkedList<PortPairGroupId>();
+        final List<FlowClassifierId> flowClassifierList = new LinkedList<FlowClassifierId>();
+        DefaultPortChain.Builder portChainBuilder = new DefaultPortChain.Builder();
+        DefaultFlowClassifier.Builder flowClassifierBuilder = new DefaultFlowClassifier.Builder();
+        PortChain portChain = null;
+        SfcService sfcService = new SfcManager();
+
+        // create list of Port Pair Groups.
+        PortPairGroupId portPairGroupId = PortPairGroupId.of("73333333-fc23-aeb6-f44b-56dc5e2fb3ae");
+        portPairGroupList.add(portPairGroupId);
+        portPairGroupId = PortPairGroupId.of("73333333-fc23-aeb6-f44b-56dc5e2fb3af");
+        portPairGroupList.add(portPairGroupId);
+
+        // create list of Flow classifiers.
+        FlowClassifierId flowClassifierId = FlowClassifierId.of("74444444-fc23-aeb6-f44b-56dc5e2fb3ae");
+        flowClassifierList.add(flowClassifierId);
+        flowClassifierId = FlowClassifierId.of("74444444-fc23-aeb6-f44b-56dc5e2fb3af");
+        flowClassifierList.add(flowClassifierId);
+
+        // create port chain
+        portChain = portChainBuilder.setId(portChainId).setTenantId(tenantId).setName(name).setDescription(description)
+                .setPortPairGroups(portPairGroupList).setFlowClassifiers(flowClassifierList).build();
+        sfcService.onPortChainCreated(portChain);
+    }
+
+    /**
+     * Checks the operation of onPortChainDeleted() method.
+     */
+    @Test
+    public void testOnPortChainDeleted() {
+        final PortChainId portChainId = PortChainId.of("78888888-fc23-aeb6-f44b-56dc5e2fb3ae");
+        final TenantId tenantId = TenantId.tenantId("1");
+        final String name = "PortChain";
+        final String description = "PortChain";
+        final List<PortPairGroupId> portPairGroupList = new LinkedList<PortPairGroupId>();
+        final List<FlowClassifierId> flowClassifierList = new LinkedList<FlowClassifierId>();
+        DefaultPortChain.Builder portChainBuilder = new DefaultPortChain.Builder();
+        DefaultFlowClassifier.Builder flowClassifierBuilder = new DefaultFlowClassifier.Builder();
+        PortChain portChain = null;
+        SfcService sfcService = new SfcManager();
+
+        // create list of Port Pair Groups.
+        PortPairGroupId portPairGroupId = PortPairGroupId.of("73333333-fc23-aeb6-f44b-56dc5e2fb3ae");
+        portPairGroupList.add(portPairGroupId);
+        portPairGroupId = PortPairGroupId.of("73333333-fc23-aeb6-f44b-56dc5e2fb3af");
+        portPairGroupList.add(portPairGroupId);
+
+        // create list of Flow classifiers.
+        FlowClassifierId flowClassifierId = FlowClassifierId.of("74444444-fc23-aeb6-f44b-56dc5e2fb3ae");
+        flowClassifierList.add(flowClassifierId);
+        flowClassifierId = FlowClassifierId.of("74444444-fc23-aeb6-f44b-56dc5e2fb3af");
+        flowClassifierList.add(flowClassifierId);
+
+        // create port chain
+        portChain = portChainBuilder.setId(portChainId).setTenantId(tenantId).setName(name).setDescription(description)
+                .setPortPairGroups(portPairGroupList).setFlowClassifiers(flowClassifierList).build();
+        sfcService.onPortChainDeleted(portChain);
+    }
+}