bgp/rib-impl/src/test/java/org/opendaylight/protocol/bgp/rib/impl/SynchronizationAndExceptionTest.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.protocol.bgp.rib.impl;
  10
  11 import static org.mockito.Matchers.any;
  12 import static org.mockito.Matchers.eq;
  13 import static org.mockito.Mockito.doAnswer;
  14 import static org.mockito.Mockito.doNothing;
  15 import static org.mockito.Mockito.doReturn;
  16 import static org.mockito.Mockito.mock;
  17 import static org.mockito.Mockito.verify;
  18 import static org.mockito.internal.verification.VerificationModeFactory.times;
  19 import static org.opendaylight.protocol.bgp.rib.impl.AdjRibInWriter.ATTRIBUTES_UPTODATE_FALSE;
  20
  21 import com.google.common.base.Optional;
  22 import com.google.common.collect.ImmutableList;
  23 import com.google.common.collect.ImmutableMap;
  24 import com.google.common.collect.Lists;
  25 import com.google.common.util.concurrent.FluentFuture;
  26 import io.netty.channel.Channel;
  27 import io.netty.channel.ChannelFuture;
  28 import io.netty.channel.ChannelHandler;
  29 import io.netty.channel.ChannelPipeline;
  30 import io.netty.channel.EventLoop;
  31 import io.netty.channel.embedded.EmbeddedChannel;
  32 import io.netty.util.concurrent.GlobalEventExecutor;
  33 import java.net.InetAddress;
  34 import java.net.InetSocketAddress;
  35 import java.util.Collections;
  36 import java.util.List;
  37 import java.util.Map;
  38 import java.util.concurrent.Executor;
  39 import java.util.concurrent.TimeUnit;
  40 import org.junit.Before;
  41 import org.junit.Test;
  42 import org.mockito.Matchers;
  43 import org.mockito.Mock;
  44 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  45 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  46 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
  47 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  48 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
  49 import org.opendaylight.mdsal.common.api.CommitInfo;
  50 import org.opendaylight.protocol.bgp.mode.api.PathSelectionMode;
  51 import org.opendaylight.protocol.bgp.mode.impl.base.BasePathSelectionModeFactory;
  52 import org.opendaylight.protocol.bgp.parser.BgpExtendedMessageUtil;
  53 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
  54 import org.opendaylight.protocol.bgp.rib.spi.RibSupportUtils;
  55 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
  56 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  57 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  58 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.Notify;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.Open;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.OpenBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.ProtocolVersion;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.UpdateBuilder;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.BgpParameters;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.BgpParametersBuilder;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.OptionalCapabilities;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.optional.capabilities.c.parameters.As4BytesCapabilityBuilder;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.AttributesBuilder;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.AsPath;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.AsPathBuilder;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.LocalPrefBuilder;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.Origin;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.OriginBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.update.message.Nlri;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.update.message.NlriBuilder;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.BgpTableType;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1Builder;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.GracefulRestartCapabilityBuilder;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.MultiprotocolCapabilityBuilder;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.BgpRib;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.PeerRole;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.RibId;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.Rib;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.rib.Peer;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.rib.peer.AdjRibIn;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.Tables;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.TablesKey;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.tables.Attributes;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.BgpId;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.BgpOrigin;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv4AddressFamily;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.UnicastSubsequentAddressFamily;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.CNextHop;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHopBuilder;
  99 import org.opendaylight.yangtools.concepts.ListenerRegistration;
 100 import org.opendaylight.yangtools.yang.common.QName;
 101 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 102 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 103 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
 104
 105 public class SynchronizationAndExceptionTest extends AbstractAddPathTest {
 106     private static final int HOLD_TIMER = 3;
 107     private static final AsNumber AS_NUMBER = new AsNumber(30L);
 108     private static final Ipv4Address BGP_ID = new Ipv4Address("1.1.1.2");
 109     private static final String LOCAL_IP = "1.1.1.4";
 110     private static final int LOCAL_PORT = 12345;
 111     private static final String RIB_ID = "1.1.1.2";
 112     private static final YangInstanceIdentifier PEER_PATH = YangInstanceIdentifier.builder()
 113             .node(BgpRib.QNAME).node(Rib.QNAME)
 114             .nodeWithKey(Rib.QNAME, QName.create(Rib.QNAME, "id").intern(), RIB_ID)
 115             .node(Peer.QNAME).nodeWithKey(Peer.QNAME, AdjRibInWriter.PEER_ID_QNAME, "bgp://1.1.1.2").build();
 116     private static final YangInstanceIdentifier TABLE_PATH = PEER_PATH.node(AdjRibIn.QNAME).node(Tables.QNAME)
 117             .node(RibSupportUtils.toYangTablesKey(new TablesKey(Ipv4AddressFamily.class,
 118                     UnicastSubsequentAddressFamily.class))).node(Attributes.QNAME)
 119             .node(QName.create(Attributes.QNAME, "uptodate"));
 120     private final IpAddress neighbor = new IpAddress(new Ipv4Address(LOCAL_IP));
 121     private final BgpTableType ipv4tt = new BgpTableTypeImpl(Ipv4AddressFamily.class,
 122             UnicastSubsequentAddressFamily.class);
 123     private Open classicOpen;
 124     @Mock
 125     private EventLoop eventLoop;
 126     @Mock
 127     private ChannelPipeline pipeline;
 128     @Mock
 129     private Channel speakerListener;
 130     @Mock
 131     private DOMDataBroker domBroker;
 132     @Mock
 133     private DOMTransactionChain domChain;
 134     @Mock
 135     private DOMDataWriteTransaction tx;
 136
 137     @Override
 138     @Before
 139     public void setUp() throws Exception {
 140         super.setUp();
 141         new EmbeddedChannel();
 142         final List<BgpParameters> tlvs = Lists.newArrayList();
 143         this.classicOpen = new OpenBuilder().setMyAsNumber(AS_NUMBER.getValue().intValue()).setHoldTimer(HOLD_TIMER)
 144                 .setVersion(new ProtocolVersion((short) 4)).setBgpParameters(tlvs).setBgpIdentifier(BGP_ID).build();
 145
 146         final List<OptionalCapabilities> capa = Lists.newArrayList();
 147         capa.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(CParameters1.class,
 148             new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
 149                 .setAfi(this.ipv4tt.getAfi()).setSafi(this.ipv4tt.getSafi()).build())
 150                 .setGracefulRestartCapability(new GracefulRestartCapabilityBuilder().build()).build())
 151             .setAs4BytesCapability(new As4BytesCapabilityBuilder().setAsNumber(AS_NUMBER).build()).build()).build());
 152         capa.add(new OptionalCapabilitiesBuilder().setCParameters(BgpExtendedMessageUtil.EXTENDED_MESSAGE_CAPABILITY).build());
 153         tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capa).build());
 154
 155         doReturn(null).when(mock(ChannelFuture.class)).addListener(any());
 156         doReturn(this.eventLoop).when(this.speakerListener).eventLoop();
 157         doReturn(true).when(this.speakerListener).isActive();
 158         doAnswer(invocation -> {
 159             final Runnable command = (Runnable) invocation.getArguments()[0];
 160             final long delay = (long) invocation.getArguments()[1];
 161             final TimeUnit unit = (TimeUnit) invocation.getArguments()[2];
 162             GlobalEventExecutor.INSTANCE.schedule(command, delay, unit);
 163             return null;
 164         }).when(this.eventLoop).schedule(any(Runnable.class), any(long.class), any(TimeUnit.class));
 165         doReturn("TestingChannel").when(this.speakerListener).toString();
 166         doReturn(true).when(this.speakerListener).isWritable();
 167         doReturn(new InetSocketAddress(InetAddress.getByName(BGP_ID.getValue()), 179))
 168                 .when(this.speakerListener).remoteAddress();
 169         doReturn(new InetSocketAddress(InetAddress.getByName(LOCAL_IP), LOCAL_PORT))
 170                 .when(this.speakerListener).localAddress();
 171         doReturn(this.pipeline).when(this.speakerListener).pipeline();
 172         doReturn(this.pipeline).when(this.pipeline).replace(any(ChannelHandler.class),
 173                 any(String.class),
 174                 any(ChannelHandler.class));
 175         doReturn(null).when(this.pipeline).replace(Matchers.<Class<ChannelHandler>>any(),
 176                 any(String.class),
 177                 any(ChannelHandler.class));
 178         doReturn(this.pipeline).when(this.pipeline).addLast(any(ChannelHandler.class));
 179         final ChannelFuture futureChannel = mock(ChannelFuture.class);
 180         doReturn(null).when(futureChannel).addListener(any());
 181         doReturn(futureChannel).when(this.speakerListener).close();
 182         doReturn(futureChannel).when(this.speakerListener).writeAndFlush(any(Notify.class));
 183         doReturn(this.domChain).when(this.domBroker).createTransactionChain(any());
 184         doReturn(this.tx).when(this.domChain).newWriteOnlyTransaction();
 185         final DOMDataTreeChangeService dOMDataTreeChangeService = mock(DOMDataTreeChangeService.class);
 186         final ListenerRegistration<?> listener = mock(ListenerRegistration.class);
 187         doReturn(listener).when(dOMDataTreeChangeService).registerDataTreeChangeListener(any(), any());
 188         doNothing().when(listener).close();
 189
 190         doReturn(Collections.singletonMap(DOMDataTreeChangeService.class, dOMDataTreeChangeService))
 191                 .when(this.domBroker).getSupportedExtensions();
 192         doNothing().when(this.tx).merge(eq(LogicalDatastoreType.OPERATIONAL),
 193                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 194         doNothing().when(this.tx).put(eq(LogicalDatastoreType.OPERATIONAL),
 195                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 196         doNothing().when(this.tx).delete(any(LogicalDatastoreType.class), any(YangInstanceIdentifier.class));
 197         final FluentFuture<? extends CommitInfo> fluentFuture = mock(FluentFuture.class);
 198         doAnswer(invocation -> {
 199             final Runnable callback = (Runnable) invocation.getArguments()[0];
 200             callback.run();
 201             return null;
 202         }).when(fluentFuture).addListener(any(Runnable.class), any(Executor.class));
 203         doReturn(fluentFuture).when(this.tx).commit();
 204         doReturn(mock(Optional.class)).when(fluentFuture).get();
 205     }
 206
 207     @Test
 208     public void testHandleMessageAfterException() {
 209         final Map<TablesKey, PathSelectionMode> pathTables = ImmutableMap.of(TABLES_KEY,
 210             BasePathSelectionModeFactory.createBestPathSelectionStrategy(this.peerTracker));
 211         final RIBImpl ribImpl = new RIBImpl( new RibId(RIB_ID), AS_NUMBER,  new BgpId(RIB_ID), this.ribExtension,
 212                 this.serverDispatcher, this.codecsRegistry, this.domBroker, getDataBroker(), this.policies,
 213                 this.peerTracker, ImmutableList.of(this.ipv4tt), pathTables);
 214         ribImpl.instantiateServiceInstance();
 215         ribImpl.onGlobalContextUpdated(this.schemaService.getGlobalContext());
 216
 217         final BGPPeer bgpPeer = new BGPPeer(neighbor, ribImpl, PeerRole.Ibgp, null, AFI_SAFIS_ADVERTIZED,
 218                 Collections.emptySet());
 219         bgpPeer.instantiateServiceInstance();
 220         final BGPSessionImpl bgpSession = new BGPSessionImpl(bgpPeer, this.speakerListener, this.classicOpen,
 221                 this.classicOpen.getHoldTimer(), null);
 222         bgpSession.setChannelExtMsgCoder(this.classicOpen);
 223         bgpPeer.onSessionUp(bgpSession);
 224
 225         final Nlri n1 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
 226         final Nlri n2 = new NlriBuilder().setPrefix( new Ipv4Prefix("127.0.0.1/32")).build();
 227         final Nlri n3 = new NlriBuilder().setPrefix( new Ipv4Prefix("2.2.2.2/24")).build();
 228         final List<Nlri> nlris = Lists.newArrayList(n1, n2, n3);
 229         final UpdateBuilder wrongMessage = new UpdateBuilder();
 230         wrongMessage.setNlri(nlris);
 231         final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
 232         final AsPath asPath = new AsPathBuilder().setSegments(Collections.emptyList()).build();
 233         final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder()
 234                 .setGlobal(new Ipv4Address("127.0.0.1")).build()).build();
 235         final AttributesBuilder ab = new AttributesBuilder();
 236         wrongMessage.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
 237
 238         final UpdateBuilder correct = new UpdateBuilder(wrongMessage.build());
 239         correct.setAttributes(ab.setLocalPref(new LocalPrefBuilder().setPref((long) 100).build()).build());
 240
 241         bgpSession.handleMessage(correct.build());
 242         verify(this.tx, times(2)).merge(eq(LogicalDatastoreType.OPERATIONAL),
 243                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 244         bgpSession.handleMessage(wrongMessage.build());
 245         verify(this.tx, times(2)).merge(eq(LogicalDatastoreType.OPERATIONAL),
 246                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 247         bgpSession.handleMessage(new UpdateBuilder().build());
 248         verify(this.tx, times(2)).merge(eq(LogicalDatastoreType.OPERATIONAL),
 249                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 250         verify(this.tx).delete(eq(LogicalDatastoreType.OPERATIONAL), eq(PEER_PATH));
 251         verify(this.tx, times(0)).merge(eq(LogicalDatastoreType.OPERATIONAL), eq(TABLE_PATH),
 252                 eq(ImmutableNodes.leafNode(ATTRIBUTES_UPTODATE_FALSE.getNodeType(), Boolean.TRUE)));
 253     }
 254
 255     @Test
 256     public void testUseCase1() {
 257         final Map<TablesKey, PathSelectionMode> pathTables = ImmutableMap.of(TABLES_KEY,
 258                 BasePathSelectionModeFactory.createBestPathSelectionStrategy(this.peerTracker));
 259         final RIBImpl ribImpl = new RIBImpl(new RibId(RIB_ID), AS_NUMBER, new BgpId(RIB_ID), this.ribExtension,
 260                 this.serverDispatcher, this.codecsRegistry, this.domBroker, getDataBroker(), this.policies,
 261                 this.peerTracker, ImmutableList.of(this.ipv4tt), pathTables);
 262         ribImpl.instantiateServiceInstance();
 263         ribImpl.onGlobalContextUpdated(this.schemaService.getGlobalContext());
 264
 265         final BGPPeer bgpPeer = new BGPPeer(neighbor, ribImpl, PeerRole.Ibgp, null, AFI_SAFIS_ADVERTIZED,
 266                 Collections.emptySet());
 267         bgpPeer.instantiateServiceInstance();
 268         final BGPSessionImpl bgpSession = new BGPSessionImpl(bgpPeer, this.speakerListener, this.classicOpen,
 269                 this.classicOpen.getHoldTimer(), null);
 270         bgpSession.setChannelExtMsgCoder(this.classicOpen);
 271         bgpPeer.onSessionUp(bgpSession);
 272
 273         final Nlri n1 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
 274         final Nlri n2 = new NlriBuilder().setPrefix( new Ipv4Prefix("127.0.0.1/32")).build();
 275         final Nlri n3 = new NlriBuilder().setPrefix( new Ipv4Prefix("2.2.2.2/24")).build();
 276         final List<Nlri> nlris = Lists.newArrayList(n1, n2, n3);
 277         final UpdateBuilder wrongMessage = new UpdateBuilder();
 278         wrongMessage.setNlri(nlris);
 279         final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
 280         final AsPath asPath = new AsPathBuilder().setSegments(Collections.emptyList()).build();
 281         final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder()
 282                 .setGlobal(new Ipv4Address("127.0.0.1")).build()).build();
 283         final AttributesBuilder ab = new AttributesBuilder();
 284         wrongMessage.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
 285
 286         final UpdateBuilder correct = new UpdateBuilder(wrongMessage.build());
 287         correct.setAttributes(ab.setLocalPref(new LocalPrefBuilder().setPref((long) 100).build()).build());
 288
 289         bgpSession.handleMessage(correct.build());
 290         verify(this.tx, times(2)).merge(eq(LogicalDatastoreType.OPERATIONAL),
 291                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 292         bgpSession.handleMessage(new UpdateBuilder().build());
 293         verify(this.tx, times(3)).merge(eq(LogicalDatastoreType.OPERATIONAL),
 294                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 295
 296         verify(this.tx).merge(eq(LogicalDatastoreType.OPERATIONAL), eq(TABLE_PATH),
 297                 eq(ImmutableNodes.leafNode(ATTRIBUTES_UPTODATE_FALSE.getNodeType(), Boolean.TRUE)));
 298         verify(this.tx, times(0)).delete(eq(LogicalDatastoreType.OPERATIONAL), eq(PEER_PATH));
 299     }
 300 }