JUnit test cases for:

1> SubnetOpDpnManager.java
2> VpnSubnetRouteHandler.java

Change-Id: I1932479338fdeef857ab18bc8725c909034b5295
Signed-off-by: Suraj Ranjan <suraj.ranjan@ericsson.com>

diff --git a/vpnmanager/vpnmanager-impl/src/test/java/org/opendaylight/vpnservice/test/SubnetOpDpnManagerTest.java b/vpnmanager/vpnmanager-impl/src/test/java/org/opendaylight/vpnservice/test/SubnetOpDpnManagerTest.java
new file mode 100644 (file)
index 0000000..427550c
--- /dev/null
+++ b/vpnmanager/vpnmanager-impl/src/test/java/org/opendaylight/vpnservice/test/SubnetOpDpnManagerTest.java
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.vpnservice.test;
+
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.Futures;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
+import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
+import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.vpnservice.SubnetOpDpnManager;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.PortOpData;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.SubnetOpData;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.port.op.data.PortOpDataEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.port.op.data.PortOpDataEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.port.op.data.PortOpDataEntryKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.SubnetOpDataEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.SubnetOpDataEntryKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.subnet.op.data.entry.SubnetToDpn;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.subnet.op.data.entry.SubnetToDpnBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.subnet.op.data.entry.SubnetToDpnKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.subnet.op.data.entry.subnet.to.dpn.VpnInterfaces;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.when;
+
+
+
+@RunWith(MockitoJUnitRunner.class)
+public class SubnetOpDpnManagerTest {
+
+    BigInteger dpId = BigInteger.valueOf(1);
+    Uuid subnetId = Uuid.getDefaultInstance("067e6162-3b6f-4ae2-a171-2470b63dff00");
+    String infName = "VPN";
+    SubnetToDpn subnetToDpn = null;
+    PortOpDataEntry portOp = null;
+    String portId = "abc";
+
+    InstanceIdentifier<SubnetOpDataEntry> subOpIdentifier = InstanceIdentifier.builder(SubnetOpData.class).
+            child(SubnetOpDataEntry.class, new SubnetOpDataEntryKey(subnetId)).build();
+    InstanceIdentifier<SubnetToDpn> dpnOpId = subOpIdentifier.child(SubnetToDpn.class, new SubnetToDpnKey(dpId));
+    InstanceIdentifier<PortOpDataEntry> portOpIdentifier = InstanceIdentifier.builder(PortOpData.class).
+            child(PortOpDataEntry.class, new PortOpDataEntryKey(infName)).build();
+
+    @Mock DataBroker dataBroker;
+    @Mock ListenerRegistration<DataChangeListener> dataChangeListenerRegistration;
+    @Mock ReadOnlyTransaction mockReadTx;
+    @Mock WriteTransaction mockWriteTx;
+
+    SubnetOpDpnManager subOpDpnManager;
+
+    Optional<SubnetToDpn> optionalSubDpn;
+    Optional<PortOpDataEntry> optionalPortOp;
+
+    @Before
+    public void setUp() throws Exception {
+        when(dataBroker.registerDataChangeListener(
+                any(LogicalDatastoreType.class),
+                any(InstanceIdentifier.class),
+                any(DataChangeListener.class),
+                any(AsyncDataBroker.DataChangeScope.class)))
+                .thenReturn(dataChangeListenerRegistration);
+        setupMocks();
+
+        subOpDpnManager = new SubnetOpDpnManager(dataBroker);
+
+        optionalSubDpn = Optional.of(subnetToDpn);
+        optionalPortOp = Optional.of(portOp);
+
+        doReturn(Futures.immediateCheckedFuture(optionalPortOp)).when(mockReadTx).read(LogicalDatastoreType
+                .OPERATIONAL, portOpIdentifier);
+        doReturn(Futures.immediateCheckedFuture(optionalSubDpn)).when(mockReadTx).read(LogicalDatastoreType
+                .OPERATIONAL, dpnOpId);
+
+    }
+
+    private void setupMocks() {
+
+        List<VpnInterfaces> vpnInterfaces = new ArrayList<>();
+        subnetToDpn = new SubnetToDpnBuilder().setDpnId(dpId).setKey(new SubnetToDpnKey(dpId)).setVpnInterfaces
+                (vpnInterfaces).build();
+        portOp = new PortOpDataEntryBuilder().setDpnId(dpId).setKey(new PortOpDataEntryKey(infName)).setSubnetId
+                (subnetId).setPortId(portId).build();
+        doReturn(mockReadTx).when(dataBroker).newReadOnlyTransaction();
+        doReturn(mockWriteTx).when(dataBroker).newWriteOnlyTransaction();
+        doReturn(Futures.immediateCheckedFuture(null)).when(mockWriteTx).submit();
+    }
+
+    @Test
+    public void testAddInterfaceToDpn() {
+
+        subOpDpnManager.addInterfaceToDpn(subnetId, dpId, infName);
+
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, dpnOpId, subnetToDpn, true);
+
+    }
+
+    @Test
+    public void testAddPortOpDataEntryPortOpPresent() {
+
+        subOpDpnManager.addPortOpDataEntry(infName, subnetId, dpId);
+
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, portOpIdentifier, portOp, true);
+    }
+
+    @Test
+    public void testAddPortOpDataEntryPortOpAbsent() {
+
+        doReturn(Futures.immediateCheckedFuture(Optional.absent())).when(mockReadTx).read(LogicalDatastoreType
+                .OPERATIONAL, portOpIdentifier);
+
+        subOpDpnManager.addPortOpDataEntry(infName, subnetId, dpId);
+
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, portOpIdentifier, portOp, true);
+    }
+
+    @Test
+    public void testRemoveInterfaceFromDpn() {
+
+        subOpDpnManager.removeInterfaceFromDpn(subnetId, dpId, infName);
+
+        verify(mockWriteTx).delete(LogicalDatastoreType.OPERATIONAL, dpnOpId);
+    }
+
+    @Test
+    public void testRemovePortOpDataEntryPortOpPresent() {
+
+        subOpDpnManager.removePortOpDataEntry(infName);
+
+        verify(mockWriteTx).delete(LogicalDatastoreType.OPERATIONAL, portOpIdentifier);
+    }
+
+    @Test
+    public void testRemovePortOpDataEntryPortOpAbsent() {
+
+        doReturn(Futures.immediateCheckedFuture(Optional.absent())).when(mockReadTx).read(LogicalDatastoreType
+                .OPERATIONAL, portOpIdentifier);
+
+        subOpDpnManager.removePortOpDataEntry(infName);
+
+        verify(mockReadTx).read(LogicalDatastoreType.OPERATIONAL, portOpIdentifier);
+
+    }
+
+    @Test
+    public void testGetPortOpDataEntryPortOpPresent() {
+
+        subOpDpnManager.getPortOpDataEntry(infName);
+
+        verify(mockReadTx).read(LogicalDatastoreType.OPERATIONAL, portOpIdentifier);
+
+    }
+
+    @Test
+    public void testGetPortOpDataEntryPortOpAbsent() {
+
+        doReturn(Futures.immediateCheckedFuture(Optional.absent())).when(mockReadTx).read(LogicalDatastoreType
+                .OPERATIONAL, portOpIdentifier);
+
+        subOpDpnManager.getPortOpDataEntry(infName);
+
+        verify(mockReadTx).read(LogicalDatastoreType.OPERATIONAL, portOpIdentifier);
+
+    }
+
+}

diff --git a/vpnmanager/vpnmanager-impl/src/test/java/org/opendaylight/vpnservice/test/VpnSubnetRouteHandlerTest.java b/vpnmanager/vpnmanager-impl/src/test/java/org/opendaylight/vpnservice/test/VpnSubnetRouteHandlerTest.java
new file mode 100644 (file)
index 0000000..bf933fe
--- /dev/null
+++ b/vpnmanager/vpnmanager-impl/src/test/java/org/opendaylight/vpnservice/test/VpnSubnetRouteHandlerTest.java
@@ -0,0 +1,387 @@
+/*
+ * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.vpnservice.test;
+
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.Futures;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.opendaylight.bgpmanager.api.IBgpManager;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
+import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
+import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.vpnservice.VpnInterfaceManager;
+import org.opendaylight.vpnservice.VpnSubnetRouteHandler;
+import org.opendaylight.vpnservice.interfacemgr.globals.IfmConstants;
+import org.opendaylight.vpnservice.utilities.InterfaceUtils;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.L2vlan;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddressBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.PortOpData;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.PortOpDataBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.SubnetOpData;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.RdToElanOp;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.VpnInstanceToVpnId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.TaskState;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.port.op.data.PortOpDataEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.port.op.data.PortOpDataEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.port.op.data.PortOpDataEntryKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.rd.to.elan.op.RdToElanOpEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.rd.to.elan.op.RdToElanOpEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.rd.to.elan.op.RdToElanOpEntryKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.SubnetOpDataEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.SubnetOpDataEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.SubnetOpDataEntryKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.subnet.op.data.entry.SubnetToDpn;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.subnet.op.data.entry.SubnetToDpnBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.subnet.op.data.entry.SubnetToDpnKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.subnet.op.data.entry.subnet.to.dpn.VpnInterfaces;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.subnet.op.data.entry.subnet.to.dpn.VpnInterfacesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.subnet.op.data.subnet.op.data.entry.subnet.to.dpn.VpnInterfacesKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstanceBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstanceKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.AllocateIdInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.AllocateIdInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.AllocateIdOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.AllocateIdOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.DpnEndpoints;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.DPNTEPsInfo;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.DPNTEPsInfoBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.DPNTEPsInfoKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.dpn.teps.info.TunnelEndPointsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.PortAddedToSubnet;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.PortRemovedFromSubnet;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.PortAddedToSubnetBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.PortRemovedFromSubnetBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.SubnetAddedToVpn;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.SubnetUpdatedInVpn;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.SubnetDeletedFromVpn;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.SubnetAddedToVpnBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.SubnetUpdatedInVpnBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.SubnetDeletedFromVpnBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.Subnetmaps;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.subnetmaps.Subnetmap;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.subnetmaps.SubnetmapBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.subnetmaps.SubnetmapKey;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
+
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Future;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class VpnSubnetRouteHandlerTest {
+
+    BigInteger dpId = BigInteger.valueOf(1);
+    PortAddedToSubnet portAddedToSubnet = null;
+    PortRemovedFromSubnet portRemovedFromSubnet = null;
+    SubnetAddedToVpn subnetAddedToVpn = null;
+    SubnetUpdatedInVpn subnetUpdatedInVpn = null;
+    SubnetDeletedFromVpn subnetDeletedFromVpn = null;
+    SubnetToDpn subnetToDpn = null;
+    RdToElanOpEntry rdToElanOpEntry = null;
+    String subnetIp = "10.1.1.24";
+    String nexthopIp = null;
+    String poolName = null;
+    String interfaceName = "VPN";
+    Uuid subnetId = Uuid.getDefaultInstance("067e6162-3b6f-4ae2-a171-2470b63dff00");
+    Uuid portId = Uuid.getDefaultInstance("54947df8-0e9e-4471-a2f9-9af509fb5889");
+    Uuid tenantId = Uuid.getDefaultInstance("54947df8-0e9e-4571-a2f9-9af509fb5889");
+    String portKey = portId.getValue();
+    Long elanTag = null;
+    Long longId = null;
+    PortOpDataEntry portOp = null;
+    PortOpData portOpData = null;
+    SubnetOpDataEntry subnetOp = null;
+    org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface
+            stateInterface;
+    List<String> lowerLayerIfList = new ArrayList<>();
+    NodeConnectorId nodeConnectorId = null;
+    VpnInterfaces vpnIntfaces = null;
+    VpnInstance vpnInstance = null;
+    Subnetmap subnetmap = null;
+    DPNTEPsInfo dpntePsInfo = null;
+    TunnelEndPoints tunlEndPts = null;
+    IpAddress ipAddress = null;
+    String idKey = null;
+    AllocateIdOutput allocateIdOutput = null;
+    AllocateIdInput allocateIdInput = null;
+
+    InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces
+            .state.Interface> ifStateId = InterfaceUtils.buildStateInterfaceId(portKey);
+    InstanceIdentifier<SubnetOpDataEntry> subOpIdentifier = InstanceIdentifier.builder(SubnetOpData.class).
+            child(SubnetOpDataEntry.class, new SubnetOpDataEntryKey(subnetId)).build();
+    InstanceIdentifier<SubnetToDpn> dpnOpId = subOpIdentifier.child(SubnetToDpn.class, new SubnetToDpnKey(dpId));
+    InstanceIdentifier<DPNTEPsInfo> tunnelInfoId =
+            InstanceIdentifier.builder(DpnEndpoints.class).child(DPNTEPsInfo.class, new DPNTEPsInfoKey(dpId)).build();
+    InstanceIdentifier<PortOpDataEntry> portOpIdentifier = InstanceIdentifier.builder(PortOpData.class).
+            child(PortOpDataEntry.class, new PortOpDataEntryKey(portKey)).build();
+    InstanceIdentifier<PortOpDataEntry> instPortOp = InstanceIdentifier.builder(PortOpData.class).
+            child(PortOpDataEntry.class, new PortOpDataEntryKey(interfaceName)).build();
+    InstanceIdentifier<Subnetmap> subMapid = InstanceIdentifier.builder(Subnetmaps.class).child(Subnetmap.class, new
+            SubnetmapKey(subnetId)).build();
+    InstanceIdentifier<PortOpData> portOpIdentifr = InstanceIdentifier.builder(PortOpData.class).build();
+    InstanceIdentifier<RdToElanOpEntry> rdIdentifier = InstanceIdentifier.builder(RdToElanOp.class).
+            child(RdToElanOpEntry.class, new RdToElanOpEntryKey(interfaceName, subnetIp)).build();
+    InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id
+            .VpnInstance> instVpnInstance = getVpnInstanceToVpnIdIdentifier(interfaceName);
+
+    @Mock DataBroker dataBroker;
+    @Mock ListenerRegistration<DataChangeListener> dataChangeListenerRegistration;
+    @Mock ReadOnlyTransaction mockReadTx;
+    @Mock WriteTransaction mockWriteTx;
+    @Mock IBgpManager bgpManager;
+    @Mock VpnInterfaceManager vpnInterfaceManager;
+    @Mock IdManagerService idManager;
+
+    VpnSubnetRouteHandler vpnSubnetRouteHandler;
+
+    Optional<Interface> optionalIfState;
+    Optional<SubnetOpDataEntry> optionalSubs;
+    Optional<SubnetToDpn> optionalSubDpn;
+    Optional<DPNTEPsInfo> optionalTunnelInfo;
+    Optional<PortOpDataEntry> optionalPortOp;
+    Optional<PortOpData> optionalPtOp;
+    Optional<Subnetmap> optionalSubnetMap;
+    Optional<RdToElanOpEntry> optionalRd;
+    Optional<org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance>
+            optionalVpnInstnce;
+
+    @Before
+    public void setUp() throws Exception {
+        when(dataBroker.registerDataChangeListener(
+                any(LogicalDatastoreType.class),
+                any(InstanceIdentifier.class),
+                any(DataChangeListener.class),
+                any(AsyncDataBroker.DataChangeScope.class)))
+                .thenReturn(dataChangeListenerRegistration);
+        setupMocks();
+
+        vpnSubnetRouteHandler = new VpnSubnetRouteHandler(dataBroker, bgpManager, vpnInterfaceManager);
+        vpnSubnetRouteHandler.setIdManager(idManager);
+        Future<RpcResult<AllocateIdOutput>> idOutputOptional = RpcResultBuilder.success(allocateIdOutput).buildFuture();
+
+        optionalIfState = Optional.of(stateInterface);
+        optionalSubs = Optional.of(subnetOp);
+        optionalSubDpn = Optional.of(subnetToDpn);
+        optionalTunnelInfo = Optional.of(dpntePsInfo);
+        optionalPortOp = Optional.of(portOp);
+        optionalPtOp = Optional.of(portOpData);
+        optionalSubnetMap = Optional.of(subnetmap);
+        optionalRd = Optional.of(rdToElanOpEntry);
+        optionalVpnInstnce = Optional.of(vpnInstance);
+
+        doReturn(Futures.immediateCheckedFuture(optionalRd)).when(mockReadTx).read(LogicalDatastoreType.OPERATIONAL,
+                rdIdentifier);
+        doReturn(Futures.immediateCheckedFuture(optionalIfState)).when(mockReadTx).read(LogicalDatastoreType
+                .OPERATIONAL, ifStateId);
+        doReturn(Futures.immediateCheckedFuture(optionalSubs)).when(mockReadTx).read(LogicalDatastoreType
+                .OPERATIONAL, subOpIdentifier);
+        doReturn(Futures.immediateCheckedFuture(optionalSubDpn)).when(mockReadTx).read(LogicalDatastoreType
+                .OPERATIONAL, dpnOpId);
+        doReturn(Futures.immediateCheckedFuture(optionalTunnelInfo)).when(mockReadTx).read(LogicalDatastoreType
+                .CONFIGURATION, tunnelInfoId);
+        doReturn(Futures.immediateCheckedFuture(optionalPortOp)).when(mockReadTx).read(LogicalDatastoreType
+                .OPERATIONAL, portOpIdentifier);
+        doReturn(Futures.immediateCheckedFuture(optionalPtOp)).when(mockReadTx).read(LogicalDatastoreType
+                .OPERATIONAL, portOpIdentifr);
+        doReturn(Futures.immediateCheckedFuture(optionalPortOp)).when(mockReadTx).read(LogicalDatastoreType
+                .OPERATIONAL, instPortOp);
+        doReturn(Futures.immediateCheckedFuture(optionalSubnetMap)).when(mockReadTx).read(LogicalDatastoreType
+                .CONFIGURATION, subMapid);
+        doReturn(Futures.immediateCheckedFuture(optionalVpnInstnce)).when(mockReadTx).read(LogicalDatastoreType
+                .CONFIGURATION, instVpnInstance);
+        doReturn(idOutputOptional).when(idManager).allocateId(allocateIdInput);
+    }
+
+    private void setupMocks() {
+
+        nexthopIp = "10.1.1.25";
+        idKey = "VPN.10.1.1.24";
+        poolName = "vpnservices";
+        elanTag = Long.valueOf(2);
+        longId = Long.valueOf("100");
+        nodeConnectorId = buildNodeConnectorId(dpId, Long.valueOf(2));
+        ipAddress = IpAddressBuilder.getDefaultInstance(nexthopIp);
+        vpnIntfaces = new VpnInterfacesBuilder().setInterfaceName(interfaceName).setKey(new VpnInterfacesKey
+                (interfaceName)).build();
+        List<VpnInterfaces> vpnInterfaces = new ArrayList<>();
+        List<SubnetToDpn> subToDpn = new ArrayList<>();
+        List<Uuid> portList = new ArrayList<>();
+        List<PortOpDataEntry> listPortOpDataEntry = new ArrayList<>();
+        List<TunnelEndPoints> tunnelEndPoints = new ArrayList<>();
+        vpnInterfaces.add(vpnIntfaces);
+        lowerLayerIfList.add(nodeConnectorId.getValue());
+        portOp = new PortOpDataEntryBuilder().setDpnId(dpId).setKey(new PortOpDataEntryKey(tenantId.getValue()))
+                .setSubnetId(subnetId).setPortId(tenantId.getValue()).build();
+        subnetToDpn = new SubnetToDpnBuilder().setDpnId(dpId).setKey(new SubnetToDpnKey(dpId)).setVpnInterfaces
+                (vpnInterfaces).build();
+        allocateIdOutput = new AllocateIdOutputBuilder().setIdValue(longId).build();
+        allocateIdInput = new AllocateIdInputBuilder().setPoolName(poolName).setIdKey(idKey).build();
+        subToDpn.add(subnetToDpn);
+        portList.add(portId);
+        listPortOpDataEntry.add(portOp);
+        org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state
+                .InterfaceBuilder ifaceBuilder = new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
+                .interfaces.rev140508.interfaces.state.InterfaceBuilder();
+        ifaceBuilder.setLowerLayerIf(lowerLayerIfList).setType(L2vlan.class)
+                .setAdminStatus(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508
+                        .interfaces.state.Interface.AdminStatus.Up).setOperStatus(Interface.OperStatus.Up)
+                .setIfIndex(100).setKey(new InterfaceKey(interfaceName)).setName(interfaceName)
+                .setPhysAddress(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715
+                        .PhysAddress.getDefaultInstance("AA:AA:AA:AA:AA:AA"));
+        stateInterface = ifaceBuilder.build();
+        portAddedToSubnet = new PortAddedToSubnetBuilder().setSubnetIp(subnetIp).setPortId(portId).setSubnetId
+                (subnetId).setElanTag(elanTag).build();
+        portRemovedFromSubnet = new PortRemovedFromSubnetBuilder().setPortId(portId).setSubnetId(subnetId)
+                .setSubnetIp(subnetIp).setElanTag(elanTag).build();
+        subnetAddedToVpn = new SubnetAddedToVpnBuilder().setElanTag(elanTag).setSubnetId(subnetId).setVpnName
+                (interfaceName).setExternalVpn(true).setSubnetIp(subnetIp).build();
+        subnetUpdatedInVpn = new SubnetUpdatedInVpnBuilder().setElanTag(elanTag).setSubnetIp(subnetIp).setSubnetId
+                (subnetId).setVpnName(interfaceName).setExternalVpn(false).build();
+        subnetDeletedFromVpn = new SubnetDeletedFromVpnBuilder().setExternalVpn(true).setSubnetId(subnetId)
+                .setSubnetIp(subnetIp).setVpnName(interfaceName).setElanTag(elanTag).build();
+        subnetOp = new SubnetOpDataEntryBuilder().setElanTag(elanTag).setNhDpnId(dpId).setSubnetCidr(subnetIp)
+                .setSubnetId(subnetId).setKey(new SubnetOpDataEntryKey(subnetId)).setVpnName(interfaceName)
+                .setVrfId(interfaceName).setSubnetToDpn(subToDpn).setRouteAdvState(TaskState.Done).build();
+        vpnInstance = new VpnInstanceBuilder().setVpnId(elanTag).setVpnInstanceName(interfaceName).setVrfId
+                (interfaceName).setKey(new VpnInstanceKey(interfaceName)).build();
+        subnetmap = new SubnetmapBuilder().setSubnetIp(subnetIp).setId(subnetId).setNetworkId(portId).setKey(new
+                SubnetmapKey(subnetId)).setRouterId(portId).setVpnId(subnetId)
+                .setTenantId(tenantId).setPortList(portList).build();
+        portOpData = new PortOpDataBuilder().setPortOpDataEntry(listPortOpDataEntry).build();
+        dpntePsInfo = new DPNTEPsInfoBuilder().setDPNID(dpId).setUp(true).setKey(new DPNTEPsInfoKey(dpId))
+                .setTunnelEndPoints(tunnelEndPoints).build();
+        tunlEndPts = new TunnelEndPointsBuilder().setInterfaceName(interfaceName).setVLANID(10).setIpAddress
+                (ipAddress).build();
+        tunnelEndPoints.add(tunlEndPts);
+        rdToElanOpEntry = new RdToElanOpEntryBuilder().setElanTag(elanTag).setRd(interfaceName).setVpnName
+                (interfaceName).setNextHopIp(nexthopIp)
+                .setKey(new RdToElanOpEntryKey(interfaceName, subnetIp)).setSubnetIp(subnetIp).build();
+        doReturn(mockReadTx).when(dataBroker).newReadOnlyTransaction();
+        doReturn(mockWriteTx).when(dataBroker).newWriteOnlyTransaction();
+        doReturn(Futures.immediateCheckedFuture(null)).when(mockWriteTx).submit();
+
+    }
+
+    @Test
+    public void testOnPortAddedToSubnet() {
+
+        vpnSubnetRouteHandler.onPortAddedToSubnet(portAddedToSubnet);
+
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, portOpIdentifier, portOp, true);
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, dpnOpId, subnetToDpn, true);
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, subOpIdentifier, subnetOp, true);
+    }
+
+    @Test
+    public void testOnPortRemovedFromSubnet() {
+
+        vpnSubnetRouteHandler.onPortRemovedFromSubnet(portRemovedFromSubnet);
+
+        verify(mockWriteTx).delete(LogicalDatastoreType.OPERATIONAL, portOpIdentifier);
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, dpnOpId, subnetToDpn, true);
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, subOpIdentifier, subnetOp, true);
+
+    }
+
+    @Test
+    public void testOnInterfaceUp() {
+
+        vpnSubnetRouteHandler.onInterfaceUp(stateInterface);
+
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, instPortOp, portOp, true);
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, dpnOpId, subnetToDpn, true);
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, subOpIdentifier, subnetOp, true);
+    }
+
+    @Test
+    public void testOnInterfaceDown() {
+
+        vpnSubnetRouteHandler.onInterfaceDown(stateInterface);
+
+        verify(mockWriteTx).delete(LogicalDatastoreType.OPERATIONAL, dpnOpId);
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, subOpIdentifier, subnetOp, true);
+
+    }
+
+    @Test
+    public void testOnSubnetAddedToVpn() {
+
+        doReturn(Futures.immediateCheckedFuture(Optional.absent())).when(mockReadTx).read(LogicalDatastoreType
+                .OPERATIONAL, subOpIdentifier);
+
+        vpnSubnetRouteHandler.onSubnetAddedToVpn(subnetAddedToVpn);
+
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, dpnOpId, subnetToDpn, true);
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, portOpIdentifier, portOp, true);
+        verify(mockWriteTx).put(LogicalDatastoreType.OPERATIONAL, subOpIdentifier, subnetOp, true);
+
+
+    }
+
+    @Test
+    public void testOnSubnetUpdatedInVpn() {
+
+        vpnSubnetRouteHandler.onSubnetUpdatedInVpn(subnetUpdatedInVpn);
+
+        verify(mockWriteTx).delete(LogicalDatastoreType.OPERATIONAL, instPortOp);
+        verify(mockWriteTx).delete(LogicalDatastoreType.OPERATIONAL, subOpIdentifier);
+
+    }
+
+    @Test
+    public void testOnSubnetDeletedFromVpn() {
+
+        vpnSubnetRouteHandler.onSubnetDeletedFromVpn(subnetDeletedFromVpn);
+
+        verify(mockWriteTx).delete(LogicalDatastoreType.OPERATIONAL, instPortOp);
+        verify(mockWriteTx).delete(LogicalDatastoreType.OPERATIONAL, subOpIdentifier);
+
+    }
+
+    public static NodeConnectorId buildNodeConnectorId(BigInteger dpn, long portNo) {
+        return new NodeConnectorId(buildNodeConnectorString(dpn, portNo));
+    }
+
+    public static String buildNodeConnectorString(BigInteger dpn, long portNo) {
+        return new StringBuffer().append(IfmConstants.OF_URI_PREFIX).append(dpn)
+                .append(IfmConstants.OF_URI_SEPARATOR).append(portNo).toString();
+    }
+
+    public static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to
+            .vpn.id.VpnInstance> getVpnInstanceToVpnIdIdentifier(String vpnName) {
+        return InstanceIdentifier.builder(VpnInstanceToVpnId.class).child(org.opendaylight.yang.gen.v1.urn
+                .opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance.class,
+                        new org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstanceKey(vpnName)).build();
+    }
+
+}
\ No newline at end of file