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 package org.opendaylight.protocol.bgp.rib.impl;
   9
  10 import static org.mockito.ArgumentMatchers.any;
  11 import static org.mockito.ArgumentMatchers.eq;
  12 import static org.mockito.Mockito.doAnswer;
  13 import static org.mockito.Mockito.doNothing;
  14 import static org.mockito.Mockito.doReturn;
  15 import static org.mockito.Mockito.mock;
  16 import static org.mockito.Mockito.verify;
  17 import static org.mockito.internal.verification.VerificationModeFactory.times;
  18 import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.ADJRIBIN_NID;
  19 import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.ATTRIBUTES_NID;
  20 import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.BGPRIB_NID;
  21 import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.PEER_NID;
  22 import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.RIB_NID;
  23 import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.TABLES_NID;
  24 import static org.opendaylight.protocol.bgp.rib.spi.RIBNodeIdentifiers.UPTODATE_NID;
  25
  26 import com.google.common.collect.ImmutableList;
  27 import com.google.common.collect.ImmutableMap;
  28 import com.google.common.collect.Lists;
  29 import io.netty.channel.Channel;
  30 import io.netty.channel.ChannelFuture;
  31 import io.netty.channel.ChannelHandler;
  32 import io.netty.channel.ChannelPipeline;
  33 import io.netty.channel.EventLoop;
  34 import io.netty.util.concurrent.GlobalEventExecutor;
  35 import java.net.InetAddress;
  36 import java.net.InetSocketAddress;
  37 import java.util.ArrayList;
  38 import java.util.Collections;
  39 import java.util.List;
  40 import java.util.Map;
  41 import java.util.concurrent.TimeUnit;
  42 import org.junit.Before;
  43 import org.junit.Test;
  44 import org.mockito.ArgumentMatchers;
  45 import org.mockito.Mock;
  46 import org.opendaylight.mdsal.common.api.CommitInfo;
  47 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  48 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
  49 import org.opendaylight.mdsal.dom.api.DOMDataBroker.DataTreeChangeExtension;
  50 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
  51 import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
  52 import org.opendaylight.protocol.bgp.mode.api.PathSelectionMode;
  53 import org.opendaylight.protocol.bgp.mode.impl.base.BasePathSelectionModeFactory;
  54 import org.opendaylight.protocol.bgp.parser.BgpExtendedMessageUtil;
  55 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
  56 import org.opendaylight.protocol.bgp.rib.spi.RIBQNames;
  57 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
  58 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddressNoZone;
  59 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
  60 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Notify;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Open;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.OpenBuilder;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.ProtocolVersion;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.UpdateBuilder;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.BgpParametersBuilder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.bgp.parameters.OptionalCapabilities;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.bgp.parameters.optional.capabilities.c.parameters.As4BytesCapabilityBuilder;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.AttributesBuilder;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPath;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPathBuilder;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.LocalPrefBuilder;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.OriginBuilder;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.NlriBuilder;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.BgpTableType;
  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.PeerRole;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.RibId;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.Rib;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.rib.Peer;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.Tables;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.TablesKey;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.BgpId;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.BgpOrigin;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.UnicastSubsequentAddressFamily;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.next.hop.CNextHop;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHopBuilder;
  96 import org.opendaylight.yangtools.concepts.Registration;
  97 import org.opendaylight.yangtools.yang.common.QName;
  98 import org.opendaylight.yangtools.yang.common.Uint16;
  99 import org.opendaylight.yangtools.yang.common.Uint32;
 100 import org.opendaylight.yangtools.yang.common.Uint8;
 101 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 102 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
 103 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 104 import org.opendaylight.yangtools.yang.data.spi.node.ImmutableNodes;
 105
 106 public class SynchronizationAndExceptionTest extends AbstractAddPathTest {
 107     private static final int HOLD_TIMER = 3;
 108     private static final AsNumber AS_NUMBER = new AsNumber(Uint32.valueOf(30));
 109     private static final Ipv4AddressNoZone BGP_ID = new Ipv4AddressNoZone("1.1.1.2");
 110     private static final String LOCAL_IP = "1.1.1.4";
 111     private static final int LOCAL_PORT = 12345;
 112     private static final String RIB_ID = "1.1.1.2";
 113     private static final YangInstanceIdentifier PEER_PATH = YangInstanceIdentifier.builder()
 114             .node(BGPRIB_NID).node(RIB_NID)
 115             .nodeWithKey(Rib.QNAME, QName.create(Rib.QNAME, "id").intern(), RIB_ID)
 116             .node(PEER_NID).nodeWithKey(Peer.QNAME, RIBQNames.PEER_ID_QNAME, "bgp://1.1.1.2").build();
 117     private static final YangInstanceIdentifier TABLE_PATH = PEER_PATH.node(ADJRIBIN_NID).node(TABLES_NID)
 118             .node(NodeIdentifierWithPredicates.of(Tables.QNAME, Map.of(RIBQNames.AFI_QNAME, Ipv4AddressFamily.QNAME,
 119                 RIBQNames.SAFI_QNAME, UnicastSubsequentAddressFamily.QNAME))).node(ATTRIBUTES_NID).node(UPTODATE_NID);
 120     private final IpAddressNoZone neighbor = new IpAddressNoZone(new Ipv4AddressNoZone(LOCAL_IP));
 121     private final BgpTableType ipv4tt = new BgpTableTypeImpl(Ipv4AddressFamily.VALUE,
 122             UnicastSubsequentAddressFamily.VALUE);
 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 DOMDataTreeWriteTransaction tx;
 136
 137     @Override
 138     @Before
 139     public void setUp() throws Exception {
 140         super.setUp();
 141
 142         final List<OptionalCapabilities> capa = new ArrayList<>();
 143         capa.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder()
 144                 .addAugmentation(new CParameters1Builder()
 145                         .setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
 146                                 .setAfi(ipv4tt.getAfi()).setSafi(ipv4tt.getSafi()).build())
 147                         .setGracefulRestartCapability(new GracefulRestartCapabilityBuilder().setRestartTime(Uint16.ZERO)
 148                                 .build()).build())
 149                 .setAs4BytesCapability(new As4BytesCapabilityBuilder().setAsNumber(AS_NUMBER).build()).build())
 150                 .build());
 151         capa.add(new OptionalCapabilitiesBuilder()
 152                 .setCParameters(BgpExtendedMessageUtil.EXTENDED_MESSAGE_CAPABILITY).build());
 153
 154         classicOpen = new OpenBuilder()
 155                 .setMyAsNumber(Uint16.valueOf(AS_NUMBER.getValue()))
 156                 .setHoldTimer(Uint16.valueOf(HOLD_TIMER))
 157                 .setVersion(new ProtocolVersion(Uint8.valueOf(4)))
 158                 .setBgpParameters(List.of(new BgpParametersBuilder()
 159                     .setOptionalCapabilities(capa)
 160                     .build()))
 161                 .setBgpIdentifier(BGP_ID)
 162                 .build();
 163
 164         doReturn(null).when(mock(ChannelFuture.class)).addListener(any());
 165         doReturn(eventLoop).when(speakerListener).eventLoop();
 166         doReturn(true).when(speakerListener).isActive();
 167         doAnswer(invocation -> {
 168             final Runnable command = invocation.getArgument(0);
 169             final long delay = (long) invocation.getArgument(1);
 170             final TimeUnit unit = invocation.getArgument(2);
 171             GlobalEventExecutor.INSTANCE.schedule(command, delay, unit);
 172             return null;
 173         }).when(eventLoop).schedule(any(Runnable.class), any(long.class), any(TimeUnit.class));
 174         doReturn("TestingChannel").when(speakerListener).toString();
 175         doReturn(true).when(speakerListener).isWritable();
 176         doReturn(new InetSocketAddress(InetAddress.getByName(BGP_ID.getValue()), 179))
 177                 .when(speakerListener).remoteAddress();
 178         doReturn(new InetSocketAddress(InetAddress.getByName(LOCAL_IP), LOCAL_PORT))
 179                 .when(speakerListener).localAddress();
 180         doReturn(pipeline).when(speakerListener).pipeline();
 181         doReturn(pipeline).when(pipeline).replace(any(ChannelHandler.class),
 182                 any(String.class),
 183                 any(ChannelHandler.class));
 184         doReturn(null).when(pipeline).replace(ArgumentMatchers.<Class<ChannelHandler>>any(),
 185                 any(String.class),
 186                 any(ChannelHandler.class));
 187         doReturn(pipeline).when(pipeline).addLast(any(ChannelHandler.class));
 188         final ChannelFuture futureChannel = mock(ChannelFuture.class);
 189         doReturn(null).when(futureChannel).addListener(any());
 190         doReturn(futureChannel).when(speakerListener).close();
 191         doReturn(futureChannel).when(speakerListener).writeAndFlush(any(Notify.class));
 192         doReturn(domChain).when(domBroker).createMergingTransactionChain();
 193         doNothing().when(domChain).addCallback(any());
 194         doReturn(tx).when(domChain).newWriteOnlyTransaction();
 195         final DataTreeChangeExtension domDataTreeChangeService = mock(DataTreeChangeExtension.class);
 196         final Registration listener = mock(Registration.class);
 197         doReturn(listener).when(domDataTreeChangeService).registerTreeChangeListener(any(), any());
 198         doNothing().when(listener).close();
 199         doNothing().when(domChain).close();
 200
 201         doReturn(domDataTreeChangeService).when(domBroker).extension(DataTreeChangeExtension.class);
 202         doNothing().when(tx).merge(eq(LogicalDatastoreType.OPERATIONAL),
 203                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 204         doNothing().when(tx).put(eq(LogicalDatastoreType.OPERATIONAL),
 205                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 206         doNothing().when(tx).delete(any(LogicalDatastoreType.class), any(YangInstanceIdentifier.class));
 207         doReturn(CommitInfo.emptyFluentFuture()).when(tx).commit();
 208     }
 209
 210     @Test
 211     public void testHandleMessageAfterException() {
 212         final Map<TablesKey, PathSelectionMode> pathTables = ImmutableMap.of(TABLES_KEY,
 213             BasePathSelectionModeFactory.createBestPathSelectionStrategy());
 214         final RIBImpl ribImpl = new RIBImpl(tableRegistry, new RibId(RIB_ID), AS_NUMBER,  new BgpId(RIB_ID),
 215                 ribExtension,
 216                 serverDispatcher, codecsRegistry, domBroker, policies,
 217                 ImmutableList.of(ipv4tt), pathTables);
 218         ribImpl.instantiateServiceInstance();
 219
 220         final BGPPeer bgpPeer = AbstractAddPathTest.configurePeer(tableRegistry, neighbor.getIpv4AddressNoZone(),
 221             ribImpl, null, PeerRole.Ibgp, serverRegistry, AFI_SAFIS_ADVERTIZED, Collections.emptySet());
 222         bgpPeer.instantiateServiceInstance();
 223         final BGPSessionImpl bgpSession = new BGPSessionImpl(bgpPeer, speakerListener, classicOpen,
 224                 classicOpen.getHoldTimer().toJava(), null);
 225         bgpSession.setChannelExtMsgCoder(classicOpen);
 226         bgpPeer.onSessionUp(bgpSession);
 227
 228         final Nlri n1 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
 229         final Nlri n2 = new NlriBuilder().setPrefix(new Ipv4Prefix("127.0.0.1/32")).build();
 230         final Nlri n3 = new NlriBuilder().setPrefix(new Ipv4Prefix("2.2.2.2/24")).build();
 231         final List<Nlri> nlris = Lists.newArrayList(n1, n2, n3);
 232         final UpdateBuilder wrongMessage = new UpdateBuilder();
 233         wrongMessage.setNlri(nlris);
 234         final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
 235         final AsPath asPath = new AsPathBuilder().setSegments(Collections.emptyList()).build();
 236         final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder()
 237                 .setGlobal(new Ipv4AddressNoZone("127.0.0.1")).build()).build();
 238         final AttributesBuilder ab = new AttributesBuilder();
 239         wrongMessage.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
 240
 241         final UpdateBuilder correct = new UpdateBuilder(wrongMessage.build());
 242         correct.setAttributes(ab.setLocalPref(new LocalPrefBuilder().setPref(Uint32.valueOf(100)).build()).build());
 243
 244         bgpSession.handleMessage(correct.build());
 245         verify(tx, times(2)).merge(eq(LogicalDatastoreType.OPERATIONAL),
 246                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 247         bgpSession.handleMessage(wrongMessage.build());
 248         verify(tx, times(2)).merge(eq(LogicalDatastoreType.OPERATIONAL),
 249                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 250         bgpSession.handleMessage(new UpdateBuilder().build());
 251         verify(tx, times(2)).merge(eq(LogicalDatastoreType.OPERATIONAL),
 252                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 253         verify(tx).delete(eq(LogicalDatastoreType.OPERATIONAL), eq(PEER_PATH));
 254         verify(tx, times(0)).merge(eq(LogicalDatastoreType.OPERATIONAL), eq(TABLE_PATH),
 255                 eq(ImmutableNodes.leafNode(UPTODATE_NID, Boolean.TRUE)));
 256     }
 257
 258     @Test
 259     public void testUseCase1() {
 260         final Map<TablesKey, PathSelectionMode> pathTables = ImmutableMap.of(TABLES_KEY,
 261                 BasePathSelectionModeFactory.createBestPathSelectionStrategy());
 262         final RIBImpl ribImpl = new RIBImpl(tableRegistry, new RibId(RIB_ID), AS_NUMBER, new BgpId(RIB_ID),
 263                 ribExtension,
 264                 serverDispatcher, codecsRegistry, domBroker, policies,
 265                 ImmutableList.of(ipv4tt), pathTables);
 266         ribImpl.instantiateServiceInstance();
 267
 268         final BGPPeer bgpPeer = AbstractAddPathTest.configurePeer(tableRegistry, neighbor.getIpv4AddressNoZone(),
 269             ribImpl, null, PeerRole.Ibgp, serverRegistry, AFI_SAFIS_ADVERTIZED, Collections.emptySet());
 270         bgpPeer.instantiateServiceInstance();
 271         final BGPSessionImpl bgpSession = new BGPSessionImpl(bgpPeer, speakerListener, classicOpen,
 272                 classicOpen.getHoldTimer().toJava(), null);
 273         bgpSession.setChannelExtMsgCoder(classicOpen);
 274         bgpPeer.onSessionUp(bgpSession);
 275
 276         final Nlri n1 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
 277         final Nlri n2 = new NlriBuilder().setPrefix(new Ipv4Prefix("127.0.0.1/32")).build();
 278         final Nlri n3 = new NlriBuilder().setPrefix(new Ipv4Prefix("2.2.2.2/24")).build();
 279         final List<Nlri> nlris = Lists.newArrayList(n1, n2, n3);
 280         final UpdateBuilder wrongMessage = new UpdateBuilder();
 281         wrongMessage.setNlri(nlris);
 282         final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
 283         final AsPath asPath = new AsPathBuilder().setSegments(Collections.emptyList()).build();
 284         final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder()
 285                 .setGlobal(new Ipv4AddressNoZone("127.0.0.1")).build()).build();
 286         final AttributesBuilder ab = new AttributesBuilder();
 287         wrongMessage.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
 288
 289         final UpdateBuilder correct = new UpdateBuilder(wrongMessage.build());
 290         correct.setAttributes(ab.setLocalPref(new LocalPrefBuilder().setPref(Uint32.valueOf(100)).build()).build());
 291
 292         bgpSession.handleMessage(correct.build());
 293         verify(tx, times(2)).merge(eq(LogicalDatastoreType.OPERATIONAL),
 294                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 295         bgpSession.handleMessage(new UpdateBuilder().build());
 296         verify(tx, times(3)).merge(eq(LogicalDatastoreType.OPERATIONAL),
 297                 any(YangInstanceIdentifier.class), any(NormalizedNode.class));
 298
 299         verify(tx).merge(eq(LogicalDatastoreType.OPERATIONAL), eq(TABLE_PATH),
 300                 eq(ImmutableNodes.leafNode(UPTODATE_NID, Boolean.TRUE)));
 301         verify(tx, times(0)).delete(eq(LogicalDatastoreType.OPERATIONAL), eq(PEER_PATH));
 302     }
 303 }