Move RibSupportUtils
[bgpcep.git] / bgp / rib-impl / src / test / java / org / opendaylight / protocol / bgp / rib / impl / PeerTest.java
index f61a08d38ec4443125c3387f55467980c0363066..3f7f51dd031c8c2a09d3a600e6c0346708ec678e 100644 (file)
  */
 package org.opendaylight.protocol.bgp.rib.impl;
 
+import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.mockito.Matchers.any;
+import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doCallRealMethod;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
 
-import com.google.common.base.Optional;
-import com.google.common.base.Throwables;
-import com.google.common.collect.Lists;
-import com.google.common.util.concurrent.CheckedFuture;
 import io.netty.channel.Channel;
 import io.netty.channel.ChannelHandler;
 import io.netty.channel.ChannelPipeline;
 import io.netty.channel.DefaultChannelPromise;
 import io.netty.channel.EventLoop;
 import java.net.InetSocketAddress;
-import java.util.ArrayList;
-import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.concurrent.Executor;
 import java.util.concurrent.TimeUnit;
-import javassist.ClassPool;
-import org.junit.After;
-import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
-import org.mockito.Mock;
-import org.mockito.Mockito;
-import org.mockito.MockitoAnnotations;
-import org.mockito.invocation.InvocationOnMock;
-import org.mockito.stubbing.Answer;
-import org.opendaylight.controller.md.sal.binding.api.BindingTransactionChain;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-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.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataBrokerExtension;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeIdentifier;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
-import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
-import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
-import org.opendaylight.protocol.bgp.rib.impl.spi.BGPDispatcher;
-import org.opendaylight.protocol.bgp.rib.spi.RIBExtensionProviderContext;
-import org.opendaylight.protocol.bgp.rib.spi.RIBSupport;
-import org.opendaylight.protocol.bgp.rib.spi.RibSupportUtils;
-import org.opendaylight.protocol.bgp.rib.spi.SimpleRIBExtensionProviderContext;
-import org.opendaylight.protocol.framework.ReconnectStrategyFactory;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4Route;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.KeepaliveBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.OpenBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.NlriBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.WithdrawnRoutesBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2Builder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1Builder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.open.bgp.parameters.optional.capabilities.c.parameters.MultiprotocolCapabilityBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlriBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.ApplicationRibId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.RibId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.Rib;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.tables.Routes;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
-import org.opendaylight.yangtools.binding.data.codec.api.BindingCodecTreeFactory;
-import org.opendaylight.yangtools.binding.data.codec.gen.impl.DataObjectSerializerGenerator;
-import org.opendaylight.yangtools.binding.data.codec.gen.impl.StreamWriterGenerator;
-import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
-import org.opendaylight.yangtools.sal.binding.generator.api.ClassLoadingStrategy;
-import org.opendaylight.yangtools.sal.binding.generator.impl.GeneratedClassLoadingStrategy;
-import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
-import org.opendaylight.yangtools.sal.binding.generator.util.BindingRuntimeContext;
-import org.opendaylight.yangtools.sal.binding.generator.util.JavassistUtils;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
+import org.opendaylight.protocol.bgp.parser.BGPError;
+import org.opendaylight.protocol.bgp.parser.impl.message.update.LocalPreferenceAttributeParser;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddressNoZone;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.ipv4.routes.ipv4.routes.Ipv4Route;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.KeepaliveBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Open;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.OpenBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.UpdateBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.BgpParameters;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.BgpParametersBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.AttributesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPath;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPathBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.LocalPref;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.LocalPrefBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.OriginBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.NlriBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.WithdrawnRoutesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.AttributesUnreachBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.RouteRefreshBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.unreach.MpUnreachNlriBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.MultiprotocolCapabilityBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.ApplicationRibId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.PeerRole;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.rib.LocRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.Tables;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.BgpOrigin;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv6AddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.UnicastSubsequentAddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.next.hop.CNextHop;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
+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;
 import org.opendaylight.yangtools.yang.binding.Notification;
-import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.Uint16;
+import org.opendaylight.yangtools.yang.common.Uint32;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
-import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateNodes;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.DefaultDataTreeCandidate;
-import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
-import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
-import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.data.tree.api.ModificationType;
 
-public class PeerTest {
-
-    private final TablesKey tk = new TablesKey(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
-
-    private RIBImpl r;
-
-    @Mock
-    BGPDispatcher dispatcher;
-
-    @Mock
-    ReconnectStrategyFactory tcpStrategyFactory;
-
-    @Mock
-    DataBroker dps;
-
-    @Mock
-    DOMDataBroker dom;
-
-    @Mock
-    WriteTransaction transWrite;
-
-    @Mock
-    DOMDataWriteTransaction domTransWrite;
-
-    @Mock
-    BindingTransactionChain chain;
-
-    @Mock
-    DOMTransactionChain domChain;
-
-    BindingCodecTreeFactory codecFactory;
-
-    ApplicationPeer peer;
-
-    @Mock
-    CheckedFuture<?,?> future;
-
-    @Mock
-    Optional<Rib> o;
-
-    @Mock
-    DOMDataTreeChangeService service;
-
-    BGPSessionImpl session;
-
-    List<YangInstanceIdentifier> routes;
+public class PeerTest extends AbstractRIBTestSetup {
 
+    private final IpAddressNoZone neighborAddress = new IpAddressNoZone(new Ipv4AddressNoZone("127.0.0.1"));
+    private ApplicationPeer peer;
+    private BGPSessionImpl session;
+    private Map<YangInstanceIdentifier, NormalizedNode> routes;
     private BGPPeer classic;
 
-    @Mock
-    Channel channel;
-
-    @Mock
-    ChannelPipeline pipeline;
-
-    @Mock
-    private EventLoop eventLoop;
-
-    private RIBActivator a1;
-
-    @SuppressWarnings("unchecked")
+    @Override
     @Before
     public void setUp() throws Exception {
-        MockitoAnnotations.initMocks(this);
-        final ModuleInfoBackedContext strategy = createClassLoadingStrategy();
-        final SchemaContext schemaContext = strategy.tryToCreateSchemaContext().get();
-        this.codecFactory = createCodecFactory(strategy,schemaContext);
-        final List<BgpTableType> localTables = new ArrayList<>();
-        this.routes = new ArrayList<>();
-        localTables.add(new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class));
-        final RIBExtensionProviderContext context = new SimpleRIBExtensionProviderContext();
-        this.a1 = new RIBActivator();
-        this.a1.startRIBExtensionProvider(context);
-        Mockito.doReturn(this.chain).when(this.dps).createTransactionChain(Mockito.any(RIBImpl.class));
-        Mockito.doReturn(this.domChain).when(this.dom).createTransactionChain(Mockito.any(BGPPeer.class));
-        final Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> map = new HashMap<>();
-        map.put(DOMDataTreeChangeService.class, this.service);
-        Mockito.doReturn(null).when(this.service).registerDataTreeChangeListener(Mockito.any(DOMDataTreeIdentifier.class), Mockito.any(DOMDataTreeChangeListener.class));
-        Mockito.doReturn(map).when(this.dom).getSupportedExtensions();
-        Mockito.doReturn(this.o).when(this.future).checkedGet();
-        Mockito.doNothing().when(this.domChain).close();
-        Mockito.doAnswer(new Answer<Object>() {
-            @Override
-            public Object answer(final InvocationOnMock invocation) throws Throwable {
-                final Object[] args = invocation.getArguments();
-                final NormalizedNode<?,?> node = (NormalizedNode<?,?>)args[2];
-                if (node.getNodeType().equals(Ipv4Route.QNAME) || node.getNodeType().equals(IPv4RIBSupport.PREFIX_QNAME)) {
-                    PeerTest.this.routes.add((YangInstanceIdentifier) args[1]);
-                }
-                return args[1];
-            }
-        }).when(this.domTransWrite).put(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(YangInstanceIdentifier.class), Mockito.any(NormalizedNode.class));
-        Mockito.doNothing().when(this.domTransWrite).merge(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(YangInstanceIdentifier.class), Mockito.any(NormalizedNode.class));
-        Mockito.doAnswer(new Answer<Object>() {
-
-            @Override
-            public Object answer(final InvocationOnMock invocation) throws Throwable {
-                final Object[] args = invocation.getArguments();
-                PeerTest.this.routes.remove(args[1]);
-                return args[1];
-            }
-        }).when(this.domTransWrite).delete(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(YangInstanceIdentifier.class));
-        Mockito.doReturn(false).when(this.o).isPresent();
-        Mockito.doReturn(this.future).when(this.domTransWrite).submit();
-        Mockito.doNothing().when(this.future).addListener(Mockito.any(Runnable.class), Mockito.any(Executor.class));
-        Mockito.doReturn(this.transWrite).when(this.chain).newWriteOnlyTransaction();
-        Mockito.doNothing().when(this.transWrite).put(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(InstanceIdentifier.class), Mockito.any(DataObject.class), Mockito.eq(true));
-        Mockito.doNothing().when(this.transWrite).put(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(InstanceIdentifier.class), Mockito.any(DataObject.class));
-        Mockito.doReturn(this.future).when(this.transWrite).submit();
-        Mockito.doReturn(this.domTransWrite).when(this.domChain).newWriteOnlyTransaction();
-        Mockito.doReturn(this.eventLoop).when(this.channel).eventLoop();
-        Mockito.doReturn("channel").when(this.channel).toString();
-        Mockito.doReturn(this.pipeline).when(this.channel).pipeline();
-        Mockito.doReturn(this.pipeline).when(this.pipeline).addLast(Mockito.any(ChannelHandler.class));
-        this.r = new RIBImpl(new RibId("test"), new AsNumber(5L), new Ipv4Address("127.0.0.1"),
-            new Ipv4Address("128.0.0.1"), context , this.dispatcher, this.tcpStrategyFactory, this.codecFactory, this.tcpStrategyFactory, this.dps, this.dom, localTables,GeneratedClassLoadingStrategy.getTCCLClassLoadingStrategy());
-        this.peer = new ApplicationPeer(new ApplicationRibId("t"), new Ipv4Address("127.0.0.1"), this.r);
-        this.r.onGlobalContextUpdated(schemaContext);
-        final ReadOnlyTransaction readTx = Mockito.mock(ReadOnlyTransaction.class);
-        Mockito.doNothing().when(readTx).close();
-        Mockito.doReturn(readTx).when(this.dps).newReadOnlyTransaction();
-        final CheckedFuture<Optional<DataObject>, ReadFailedException> readFuture = Mockito.mock(CheckedFuture.class);
-        Mockito.doReturn(Optional.<DataObject>absent()).when(readFuture).checkedGet();
-        Mockito.doReturn(readFuture).when(readTx).read(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(InstanceIdentifier.class));
+        super.setUp();
+        routes = new HashMap<>();
+        overrideMockedBehaviour();
     }
 
-    private static BindingCodecTreeFactory createCodecFactory(final ClassLoadingStrategy str, final SchemaContext ctx) {
-        final DataObjectSerializerGenerator generator = StreamWriterGenerator.create(JavassistUtils.forClassPool(ClassPool.getDefault()));
-        final BindingNormalizedNodeCodecRegistry codec = new BindingNormalizedNodeCodecRegistry(generator);
-        codec.onBindingRuntimeContextUpdated(BindingRuntimeContext.create(str, ctx));
-        return codec;
-    }
-
-    private static ModuleInfoBackedContext createClassLoadingStrategy() {
-        final ModuleInfoBackedContext ctx = ModuleInfoBackedContext.create();
-        try {
-            ctx.registerModuleInfo(BindingReflections.getModuleInfo(Ipv4Route.class));
-        } catch (final Exception e) {
-            throw Throwables.propagate(e);
-        }
-        return ctx;
-    }
+    private void overrideMockedBehaviour() {
+        doAnswer(invocation -> {
+            final Object[] args = invocation.getArguments();
+            final NormalizedNode node = (NormalizedNode) args[2];
+            final QName nodeType = node.getIdentifier().getNodeType();
 
-    @After
-    public void tearDown() {
-        this.a1.close();
+            if (nodeType.equals(Ipv4Route.QNAME) || nodeType.equals(PREFIX_QNAME)) {
+                routes.put((YangInstanceIdentifier) args[1], node);
+            }
+            return args[1];
+        }).when(getTransaction()).put(eq(LogicalDatastoreType.OPERATIONAL),
+                any(YangInstanceIdentifier.class), any(NormalizedNode.class));
+
+        doAnswer(invocation -> {
+            final Object[] args = invocation.getArguments();
+            routes.remove(args[1]);
+            return args[1];
+        }).when(getTransaction()).delete(eq(LogicalDatastoreType.OPERATIONAL), any(YangInstanceIdentifier.class));
     }
 
     @Test
     public void testAppPeer() {
-        final Collection<DataTreeCandidate> changes = new ArrayList<>();
-        final RIBSupport support = this.r.getRibSupportContext().getRIBSupportContext(this.tk).getRibSupport();
-
-        final YangInstanceIdentifier base = this.r.getYangRibId().node(LocRib.QNAME).node(Tables.QNAME).node(RibSupportUtils.toYangTablesKey(this.tk));
-
-        final NodeIdentifierWithPredicates routekey = new NodeIdentifierWithPredicates(Ipv4Route.QNAME, IPv4RIBSupport.PREFIX_QNAME, new Ipv4Prefix("127.0.0.1/32"));
-        final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> b = ImmutableNodes.mapEntryBuilder();
-        b.withNodeIdentifier(routekey);
-        b.addChild(Builders.leafBuilder().withNodeIdentifier(new NodeIdentifier(IPv4RIBSupport.PREFIX_QNAME)).withValue("127.0.0.1/32").build());
-
-        changes.add(new DefaultDataTreeCandidate(support.routePath(base.node(Routes.QNAME), routekey), DataTreeCandidateNodes.fromNormalizedNode(b.build())));
-
-        this.peer.onDataTreeChanged(changes);
-        assertEquals(1, this.routes.size());
+        final Ipv4Prefix first = new Ipv4Prefix("127.0.0.2/32");
+        final Ipv4Prefix second = new Ipv4Prefix("127.0.0.1/32");
+        final Ipv4Prefix third = new Ipv4Prefix("127.0.0.3/32");
+        peer = new ApplicationPeer(tableRegistry,
+                new ApplicationRibId(neighborAddress.getIpv4AddressNoZone().getValue()),
+                neighborAddress.getIpv4AddressNoZone(), getRib());
+        peer.instantiateServiceInstance(null, null);
+        final YangInstanceIdentifier base = getRib().getYangRibId().node(LocRib.QNAME)
+                .node(Tables.QNAME).node(RibSupportUtils.toYangTablesKey(KEY));
+        peer.onDataTreeChanged(ipv4Input(base, ModificationType.WRITE, first, second, third));
+        assertEquals(3, routes.size());
+
+        peer.onDataTreeChanged(ipv4Input(base, ModificationType.DELETE, third));
+        assertEquals(2, routes.size());
     }
 
     @Test
-    public void testClassicPeer() {
-        this.classic = new BGPPeer("testPeer", this.r);
-        Mockito.doReturn(null).when(this.eventLoop).schedule(any(Runnable.class), any(long.class), any(TimeUnit.class));
-        Mockito.doReturn(Boolean.TRUE).when(this.channel).isWritable();
-        Mockito.doReturn(null).when(this.channel).close();
-        Mockito.doReturn(new DefaultChannelPromise(this.channel)).when(this.channel).writeAndFlush(any(Notification.class));
+    public void testClassicPeer() throws Exception {
+        classic = AbstractAddPathTest.configurePeer(tableRegistry,
+            neighborAddress.getIpv4AddressNoZone(), getRib(), null, PeerRole.Ibgp, new StrictBGPPeerRegistry());
+        classic.instantiateServiceInstance();
+        mockSession();
+        assertEquals(neighborAddress.getIpv4AddressNoZone().getValue(), classic.getName());
+        classic.onSessionUp(session);
+        assertEquals("""
+            BGPPeer{name=127.0.0.1, tables=[TablesKey{afi=Ipv4AddressFamily{qname=\
+            (urn:opendaylight:params:xml:ns:yang:bgp-types?revision=2020-01-20)ipv4-address-family}, \
+            safi=UnicastSubsequentAddressFamily{qname=\
+            (urn:opendaylight:params:xml:ns:yang:bgp-types?revision=2020-01-20)unicast-subsequent-address-family}}]}""",
+            classic.toString());
+
+        final UpdateBuilder ub = new UpdateBuilder()
+            .setNlri(List.of(
+                new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build(),
+                new NlriBuilder().setPrefix(new Ipv4Prefix("127.0.0.1/32")).build(),
+                new NlriBuilder().setPrefix(new Ipv4Prefix("2.2.2.2/24")).build()));
+        final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
+        final AsPath asPath = new AsPathBuilder().setSegments(List.of()).build();
+        final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder()
+                .setGlobal(new Ipv4AddressNoZone("127.0.0.1")).build()).build();
+        final AttributesBuilder ab = new AttributesBuilder();
+        ub.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
+        try {
+            classic.onMessage(session, ub.build());
+            fail();
+        } catch (final BGPDocumentedException e) {
+            assertEquals(BGPError.MANDATORY_ATTR_MISSING_MSG + "LOCAL_PREF", e.getMessage());
+            assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getCode(), e.getError().getCode());
+            assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getSubcode(), e.getError().getSubcode());
+            assertArrayEquals(new byte[]{LocalPreferenceAttributeParser.TYPE}, e.getData());
+        }
+        assertEquals(0, routes.size());
 
-        Mockito.doReturn(new InetSocketAddress("localhost", 12345)).when(this.channel).remoteAddress();
-        Mockito.doReturn(new InetSocketAddress("localhost", 12345)).when(this.channel).localAddress();
-        final List<BgpParameters> params = Lists.newArrayList(new BgpParametersBuilder().setOptionalCapabilities(
-            Lists.newArrayList(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(
-                CParameters1.class, new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
-                    .setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).build()).build()).build()).build())).build());
-        this.session = new BGPSessionImpl(this.classic, this.channel, new OpenBuilder().setBgpIdentifier(new Ipv4Address("1.1.1.1"))
-                .setHoldTimer(50).setMyAsNumber(72).setBgpParameters(params).build(), 30, null);
-        assertEquals("testPeer", this.classic.getName());
-        this.classic.onSessionUp(this.session);
-        Assert.assertArrayEquals(new byte[] {1, 1, 1, 1}, this.classic.getRawIdentifier());
-        assertEquals("BGPPeer{name=testPeer, tables=[TablesKey [_afi=class org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily, _safi=class org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily]]}", this.classic.toString());
-        final List<Ipv4Prefix> prefs = Lists.newArrayList(new Ipv4Prefix("127.0.0.1/32"), new Ipv4Prefix("2.2.2.2/24"));
-        final UpdateBuilder ub = new UpdateBuilder();
-        ub.setNlri(new NlriBuilder().setNlri(prefs).build());
-        ub.setAttributes(new AttributesBuilder().build());
-        this.classic.onMessage(this.session, ub.build());
-        assertEquals(2, this.routes.size());
+        final LocalPref localPref = new LocalPrefBuilder().setPref(Uint32.valueOf(100)).build();
+        ub.setAttributes(ab.setLocalPref(localPref).build());
+        classic.onMessage(session, ub.build());
+        assertEquals(3, routes.size());
 
         //create new peer so that it gets advertized routes from RIB
-        try (final BGPPeer testingPeer = new BGPPeer("testingPeer", this.r)) {
-            testingPeer.onSessionUp(this.session);
-            assertEquals(2, this.routes.size());
-            assertEquals(1, testingPeer.getBgpPeerState().getSessionEstablishedCount().intValue());
-            assertEquals(1, testingPeer.getBgpPeerState().getRouteTable().size());
-            assertNotNull(testingPeer.getBgpSessionState());
-        }
-
-        ub.setNlri(null);
-        ub.setWithdrawnRoutes(new WithdrawnRoutesBuilder().setWithdrawnRoutes(prefs).build());
-        this.classic.onMessage(this.session, ub.build());
-        assertEquals(0, this.routes.size());
-        this.classic.onMessage(this.session, new KeepaliveBuilder().build());
-        this.classic.onMessage(this.session, new UpdateBuilder().setAttributes(
-            new AttributesBuilder().addAugmentation(
-                    Attributes2.class,
-                    new Attributes2Builder().setMpUnreachNlri(
-                            new MpUnreachNlriBuilder().setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).build()).build()).build()).build());
-        this.classic.releaseConnection();
+        final BGPPeer testingPeer = AbstractAddPathTest.configurePeer(tableRegistry,
+            neighborAddress.getIpv4AddressNoZone(), getRib(), null, PeerRole.Ibgp, new StrictBGPPeerRegistry());
+        testingPeer.instantiateServiceInstance();
+        testingPeer.onSessionUp(session);
+        assertEquals(3, routes.size());
+
+        ub.setNlri(List.of(
+            new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build(),
+            new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.16/28")).build()));
+        ub.setWithdrawnRoutes(List.of(
+            new WithdrawnRoutesBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build(),
+            new WithdrawnRoutesBuilder().setPrefix(new Ipv4Prefix("127.0.0.1/32")).build(),
+            new WithdrawnRoutesBuilder().setPrefix(new Ipv4Prefix("2.2.2.2/24")).build()));
+        classic.onMessage(session, ub.build());
+        assertEquals(2, routes.size());
+        classic.onMessage(session, new KeepaliveBuilder().build());
+        classic.onMessage(session, new UpdateBuilder()
+            .setAttributes(new AttributesBuilder()
+                .addAugmentation(new AttributesUnreachBuilder()
+                    .setMpUnreachNlri(new MpUnreachNlriBuilder().setAfi(IPV4_AFI).setSafi(SAFI).build())
+                    .build())
+                .build())
+            .build());
+        classic.onMessage(session, new RouteRefreshBuilder().setAfi(IPV4_AFI).setSafi(SAFI).build());
+        classic.onMessage(session, new RouteRefreshBuilder()
+                .setAfi(Ipv6AddressFamily.VALUE)
+                .setSafi(SAFI).build());
+        assertEquals(2, routes.size());
+        classic.releaseConnection();
     }
 
-    @After
-    public void cleanUp() {
-        this.peer.close();
+    private void mockSession() {
+        final EventLoop eventLoop = mock(EventLoop.class);
+        final Channel channel = mock(Channel.class);
+        final ChannelPipeline pipeline = mock(ChannelPipeline.class);
+        doReturn(null).when(eventLoop).schedule(any(Runnable.class), any(long.class), any(TimeUnit.class));
+        doReturn(eventLoop).when(channel).eventLoop();
+        doReturn(Boolean.TRUE).when(channel).isWritable();
+        doReturn(null).when(channel).close();
+        doReturn(pipeline).when(channel).pipeline();
+        doCallRealMethod().when(channel).toString();
+        doReturn(pipeline).when(pipeline).addLast(any(ChannelHandler.class));
+        doReturn(new DefaultChannelPromise(channel)).when(channel).writeAndFlush(any(Notification.class));
+        doReturn(new InetSocketAddress("localhost", 12345)).when(channel).remoteAddress();
+        doReturn(new InetSocketAddress("localhost", 12345)).when(channel).localAddress();
+        final List<BgpParameters> params = List.of(new BgpParametersBuilder()
+            .setOptionalCapabilities(List.of(new OptionalCapabilitiesBuilder()
+                .setCParameters(new CParametersBuilder()
+                    .addAugmentation(new CParameters1Builder()
+                        .setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
+                            .setAfi(Ipv4AddressFamily.VALUE)
+                            .setSafi(UnicastSubsequentAddressFamily.VALUE)
+                            .build())
+                        .build())
+                    .build())
+                .build()))
+            .build());
+        final Open openObj = new OpenBuilder()
+                .setBgpIdentifier(new Ipv4AddressNoZone("1.1.1.1"))
+                .setHoldTimer(Uint16.valueOf(50))
+                .setMyAsNumber(Uint16.valueOf(72))
+                .setBgpParameters(params).build();
+        session = new BGPSessionImpl(classic, channel, openObj, 30, null);
+        session.setChannelExtMsgCoder(openObj);
     }
 }