/*
* Copyright (c) 2013 Cisco Systems, Inc. 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.protocol.bgp.rib.impl;
import static org.junit.Assert.assertTrue;
import com.google.common.collect.Lists;
import java.util.ArrayList;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
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.opendaylight.params.xml.ns.yang.bgp.message.rev130919.PathAttributes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AsPathBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.ClusterIdBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.LocalPrefBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.MultiExitDiscBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.OriginBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.as.path.Segments;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.as.path.SegmentsBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.PathAttributesBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpOrigin;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.ClusterIdentifier;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.as.path.segment.c.segment.AListCaseBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.as.path.segment.c.segment.ASetCaseBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.as.path.segment.c.segment.a.list._case.AListBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.as.path.segment.c.segment.a.list._case.a.list.AsSequence;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.as.path.segment.c.segment.a.list._case.a.list.AsSequenceBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.as.path.segment.c.segment.a.set._case.ASetBuilder;
/**
* @see BGP Best Path
* Selection
*/
public class BestPathSelectionTest {
private final BGPObjectComparator comparator = new BGPObjectComparator(new AsNumber(40L), new Ipv4Address("192.150.20.38"), new Ipv4Address("192.150.20.38"));
private PathAttributes attr1;
private PathAttributes attr2;
private PathAttributes attr3;
private PathAttributes attr4;
private PathAttributes attr5;
private PathAttributes attr6;
private PathAttributes attr7;
@Before
public void setUp() {
final AsPathBuilder asBuilder1 = new AsPathBuilder();
final AsPathBuilder asBuilder2 = new AsPathBuilder();
List segs = new ArrayList<>();
final List ases = Lists.newArrayList(new AsNumber(100L), new AsNumber(30L));
final List seqs = Lists.newArrayList(new AsSequenceBuilder().setAs(new AsNumber(50L)).build());
segs.add(new SegmentsBuilder().setCSegment(new AListCaseBuilder().setAList(new AListBuilder().setAsSequence(seqs).build()).build()).build());
asBuilder1.setSegments(segs);
segs = new ArrayList<>();
segs.add(new SegmentsBuilder().setCSegment(new AListCaseBuilder().setAList(new AListBuilder().setAsSequence(seqs).build()).build()).build());
segs.add(new SegmentsBuilder().setCSegment(new ASetCaseBuilder().setASet(new ASetBuilder().setAsSet(ases).build()).build()).build());
asBuilder2.setSegments(segs);
final List clusters = new ArrayList<>();
clusters.add(new ClusterIdentifier(new Ipv4Address("0.0.0.0")));
clusters.add(new ClusterIdentifier(new Ipv4Address("0.0.0.0")));
final PathAttributesBuilder builder = new PathAttributesBuilder();
builder.setLocalPref(new LocalPrefBuilder().setPref(100L).build());
this.attr1 = builder.build();
builder.setLocalPref(new LocalPrefBuilder().setPref(230L).build());
builder.setAsPath(asBuilder2.build());
this.attr2 = builder.build();
builder.setAsPath(asBuilder1.build());
builder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Incomplete).build());
this.attr3 = builder.build();
builder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Egp).build());
builder.setMultiExitDisc(new MultiExitDiscBuilder().setMed(15L).build());
this.attr4 = builder.build();
builder.setMultiExitDisc(new MultiExitDiscBuilder().setMed(12L).build());
this.attr5 = builder.build();
builder.setAsPath(new AsPathBuilder().setSegments(new ArrayList()).build());
builder.setClusterId(new ClusterIdBuilder().setCluster(new ArrayList()).build());
this.attr6 = builder.build();
builder.setClusterId(new ClusterIdBuilder().setCluster(clusters).build());
this.attr7 = builder.build();
}
@Test
public void testCompare() {
assertTrue(this.comparator.compare(this.attr1, this.attr2) < 0);
assertTrue(this.comparator.compare(this.attr2, this.attr1) > 0);
assertTrue(this.comparator.compare(this.attr2, this.attr3) < 0);
assertTrue(this.comparator.compare(this.attr3, this.attr2) > 0);
assertTrue(this.comparator.compare(this.attr3, this.attr4) < 0);
assertTrue(this.comparator.compare(this.attr4, this.attr3) > 0);
assertTrue(this.comparator.compare(this.attr4, this.attr5) < 0);
assertTrue(this.comparator.compare(this.attr5, this.attr4) > 0);
assertTrue(this.comparator.compare(this.attr5, this.attr6) < 0);
assertTrue(this.comparator.compare(this.attr6, this.attr5) > 0);
assertTrue(this.comparator.compare(this.attr6, this.attr7) < 0);
assertTrue(this.comparator.compare(this.attr7, this.attr6) > 0);
}
@Test
public void testByteCompare() {
assertTrue(BGPObjectComparator.compareByteArrays(new byte[] { (byte) 192, (byte) 150, 20, 38 }, new byte[] { (byte) 192,
(byte) 168, 25, 1 }) < 0);
assertTrue(BGPObjectComparator.compareByteArrays(new byte[] { (byte) 192, (byte) 168, 25, 1 }, new byte[] { (byte) 192, (byte) 150,
20, 38 }) > 0);
}
}