bgp/topology-provider/src/test/java/org/opendaylight/bgpcep/bgp/topology/provider/Ipv4ReachabilityTopologyBuilderTest.java

   1 /*
   2  * Copyright (c) 2014 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.bgpcep.bgp.topology.provider;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertFalse;
  13 import static org.junit.Assert.assertTrue;
  14
  15 import com.google.common.base.Optional;
  16 import org.junit.Test;
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  20 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.Ipv4Routes;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4Route;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4RouteBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4RouteKey;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.Attributes;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHopBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.Node1;
  37 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  38
  39 public class Ipv4ReachabilityTopologyBuilderTest extends AbstractTopologyBuilderTest {
  40
  41     private static final String ROUTE_IP4PREFIX = "127.1.0.0/32";
  42     private static final String NEXT_HOP = "127.1.0.1";
  43     private static final String NEW_NEXT_HOP = "127.1.0.2";
  44
  45     private Ipv4ReachabilityTopologyBuilder ipv4TopoBuilder;
  46     private InstanceIdentifier<Ipv4Route> ipv4RouteIID;
  47
  48     @Override
  49     protected void setupWithDataBroker(final DataBroker dataBroker) {
  50         super.setupWithDataBroker(dataBroker);
  51         this.ipv4TopoBuilder = new Ipv4ReachabilityTopologyBuilder(dataBroker, LOC_RIB_REF, TEST_TOPOLOGY_ID);
  52         this.ipv4TopoBuilder.start(dataBroker, Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
  53         final InstanceIdentifier<Tables> path = this.ipv4TopoBuilder.tableInstanceIdentifier(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
  54         this.ipv4RouteIID = path.builder().child((Class)Ipv4Routes.class).child(Ipv4Route.class, new Ipv4RouteKey(new Ipv4Prefix(ROUTE_IP4PREFIX))).build();
  55     }
  56
  57     @Test
  58     public void testIpv4ReachabilityTopologyBuilder() throws TransactionCommitFailedException {
  59         // create route
  60         updateIpv4Route(createIpv4Route(NEXT_HOP));
  61         final Optional<Topology> topologyMaybe = getTopology(this.ipv4TopoBuilder.getInstanceIdentifier());
  62         assertTrue(topologyMaybe.isPresent());
  63         final Topology topology = topologyMaybe.get();
  64         assertEquals(1, topology.getNode().size());
  65         final Node node = topology.getNode().get(0);
  66         assertEquals(NEXT_HOP, node.getNodeId().getValue());
  67         assertEquals(ROUTE_IP4PREFIX, node.getAugmentation(Node1.class).getIgpNodeAttributes().getPrefix().get(0).getPrefix().getIpv4Prefix().getValue());
  68
  69         // update route
  70         updateIpv4Route(createIpv4Route(NEW_NEXT_HOP));
  71         final Topology topologyUpdated = getTopology(this.ipv4TopoBuilder.getInstanceIdentifier()).get();
  72         assertEquals(1, topologyUpdated.getNode().size());
  73         final Node nodeUpdated = topologyUpdated.getNode().get(0);
  74         assertEquals(NEW_NEXT_HOP, nodeUpdated.getNodeId().getValue());
  75         assertEquals(ROUTE_IP4PREFIX, nodeUpdated.getAugmentation(Node1.class).getIgpNodeAttributes().getPrefix().get(0).getPrefix().getIpv4Prefix().getValue());
  76
  77         // delete route
  78         final WriteTransaction wTx = getDataBroker().newWriteOnlyTransaction();
  79         wTx.delete(LogicalDatastoreType.OPERATIONAL, this.ipv4RouteIID);
  80         wTx.submit();
  81         final Topology topologyDeleted = getTopology(this.ipv4TopoBuilder.getInstanceIdentifier()).get();
  82         assertEquals(0, topologyDeleted.getNode().size());
  83
  84         this.ipv4TopoBuilder.close();
  85         assertFalse(getTopology(this.ipv4TopoBuilder.getInstanceIdentifier()).isPresent());
  86     }
  87
  88     private void updateIpv4Route(final Ipv4Route data) {
  89         final WriteTransaction wTx = getDataBroker().newWriteOnlyTransaction();
  90         wTx.put(LogicalDatastoreType.OPERATIONAL, this.ipv4RouteIID, data, true);
  91         wTx.submit();
  92     }
  93
  94     private Ipv4Route createIpv4Route(final String nextHop) {
  95         final Attributes attribute = new AttributesBuilder()
  96             .setCNextHop(new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4Address(nextHop)).build()).build())
  97             .build();
  98         return new Ipv4RouteBuilder().setKey(new Ipv4RouteKey(new Ipv4Prefix(ROUTE_IP4PREFIX))).setPrefix(new Ipv4Prefix(ROUTE_IP4PREFIX)).setAttributes(attribute).build();
  99     }
 100
 101 }