2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.protocol.bgp.parser.mock;
10 import static org.junit.Assert.assertEquals;
11 import static org.junit.Assert.assertNotSame;
13 import com.google.common.collect.Lists;
14 import com.google.common.collect.Maps;
15 import com.google.common.collect.Sets;
16 import io.netty.buffer.ByteBuf;
17 import io.netty.buffer.Unpooled;
18 import java.io.ByteArrayOutputStream;
19 import java.io.InputStream;
20 import java.util.List;
23 import org.junit.Before;
24 import org.junit.Test;
25 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
26 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
27 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.ipv6.prefixes.DestinationIpv6Builder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.ipv6.prefixes.destination.ipv6.Ipv6PrefixesBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationIpv6CaseBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.Open;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.OpenBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.ProtocolVersion;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.Update;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.UpdateBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.BgpParameters;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.BgpParametersBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.OptionalCapabilities;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.optional.capabilities.CParameters;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.AttributesBuilder;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.AsPathBuilder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.OriginBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.as.path.Segments;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.as.path.SegmentsBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes1;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes1Builder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.BgpTableType;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1Builder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.MultiprotocolCapabilityBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.MpReachNlriBuilder;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.BgpOrigin;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv4AddressFamily;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv6AddressFamily;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.MplsLabeledVpnSubsequentAddressFamily;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.UnicastSubsequentAddressFamily;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.CNextHop;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.Ipv6NextHopCaseBuilder;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.ipv6.next.hop._case.Ipv6NextHopBuilder;
66 import org.opendaylight.yangtools.yang.binding.Notification;
68 public class BGPMessageParserMockTest {
70 private final byte[][] inputBytes = new byte[11][];
71 private final List<Update> messages = Lists.newArrayList();
74 public void init() throws Exception {
75 // Creating input bytes and update messages
76 for (int i = 0; i < this.inputBytes.length; i++) {
77 this.inputBytes[i] = this.fillInputBytes(i);
78 this.messages.add(fillMessages(i));
83 * Test if mock implementation of parser returns correct message.
86 public void testGetUpdateMessage() throws BGPParsingException, BGPDocumentedException {
87 final Map<ByteBuf, Notification> updateMap = Maps.newHashMap();
88 for (int i = 0; i < this.inputBytes.length; i++) {
89 updateMap.put(Unpooled.copiedBuffer(this.inputBytes[i]), this.messages.get(i));
91 final BGPMessageParserMock mockParser = new BGPMessageParserMock(updateMap);
93 for (int i = 0; i < this.inputBytes.length; i++) {
94 assertEquals(this.messages.get(i),
95 mockParser.parseMessage(Unpooled.copiedBuffer(this.inputBytes[i]), null));
97 assertNotSame(this.messages.get(3),
98 mockParser.parseMessage(Unpooled.copiedBuffer(this.inputBytes[8]), null));
102 * Test if method throws IllegalArgumentException after finding no BGPUpdateMessage
103 * associated with given byte[] key.
105 @Test(expected = IllegalArgumentException.class)
106 public void testGetUpdateMessageException() throws BGPParsingException, BGPDocumentedException {
107 final Map<ByteBuf, Notification> updateMap = Maps.newHashMap();
108 for (int i = 0; i < this.inputBytes.length; i++) {
109 updateMap.put(Unpooled.copiedBuffer(this.inputBytes[i]), this.messages.get(i));
111 final BGPMessageParserMock mockParser = new BGPMessageParserMock(updateMap);
112 mockParser.parseMessage(Unpooled.copiedBuffer(new byte[]{7, 4, 6}), null);
116 * Helper method to fill inputBytes variable.
118 * @param fileNumber parameter to distinguish between files from which bytes are read
120 private byte[] fillInputBytes(final int fileNumber) throws Exception {
121 final ByteArrayOutputStream bis = new ByteArrayOutputStream();
122 final byte[] data = new byte[60];
124 try (InputStream is = this.getClass().getResourceAsStream("/up" + fileNumber + ".bin")) {
125 while ((read = is.read(data, 0, data.length)) != -1) {
126 bis.write(data, 0, read);
131 return bis.toByteArray();
135 * Helper method to fill messages variable.
137 * @param asn this parameter is passed to ASNumber constructor
139 private static Update fillMessages(final long asn) {
141 final UpdateBuilder builder = new UpdateBuilder();
143 final List<Segments> asPath = Lists.newArrayList();
144 asPath.add(new SegmentsBuilder().setAsSequence(Lists.newArrayList(new AsNumber(asn))).build());
145 final CNextHop nextHop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(
146 new Ipv6NextHopBuilder().setGlobal(new Ipv6Address("2001:db8::1"))
147 .setLinkLocal(new Ipv6Address("fe80::c001:bff:fe7e:0")).build()).build();
149 final Ipv6Prefix pref1 = new Ipv6Prefix("2001:db8:1:2::/64");
150 final Ipv6Prefix pref2 = new Ipv6Prefix("2001:db8:1:1::/64");
151 final Ipv6Prefix pref3 = new Ipv6Prefix("2001:db8:1::/64");
153 final AttributesBuilder paBuilder = new AttributesBuilder();
154 paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
155 paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
157 final MpReachNlriBuilder mpReachBuilder = new MpReachNlriBuilder();
158 mpReachBuilder.setAfi(Ipv6AddressFamily.class);
159 mpReachBuilder.setSafi(UnicastSubsequentAddressFamily.class);
160 mpReachBuilder.setCNextHop(nextHop);
161 mpReachBuilder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(
162 new DestinationIpv6CaseBuilder().setDestinationIpv6(
163 new DestinationIpv6Builder().setIpv6Prefixes(Lists.newArrayList(
164 new Ipv6PrefixesBuilder().setPrefix(pref1).build(),
165 new Ipv6PrefixesBuilder().setPrefix(pref2).build(),
166 new Ipv6PrefixesBuilder().setPrefix(pref3).build())).build()).build()).build());
168 paBuilder.addAugmentation(Attributes1.class,
169 new Attributes1Builder().setMpReachNlri(mpReachBuilder.build()).build());
171 builder.setAttributes(paBuilder.build());
173 return builder.build();
177 public void testGetOpenMessage() throws BGPParsingException, BGPDocumentedException {
178 final Map<ByteBuf, Notification> openMap = Maps.newHashMap();
180 final Set<BgpTableType> type = Sets.newHashSet();
181 type.add(new BgpTableTypeImpl(Ipv4AddressFamily.class, MplsLabeledVpnSubsequentAddressFamily.class));
183 final List<BgpParameters> params = Lists.newArrayList();
185 final CParameters par = new CParametersBuilder().addAugmentation(CParameters1.class, new CParameters1Builder()
186 .setMultiprotocolCapability(new MultiprotocolCapabilityBuilder().setAfi(Ipv4AddressFamily.class)
187 .setSafi(MplsLabeledVpnSubsequentAddressFamily.class).build()).build()).build();
188 params.add(new BgpParametersBuilder().setOptionalCapabilities(Lists.newArrayList(
189 new OptionalCapabilitiesBuilder().setCParameters(par).build())).build());
191 final byte[] input = new byte[]{5, 8, 13, 21};
193 openMap.put(Unpooled.copiedBuffer(input), new OpenBuilder().setMyAsNumber(30).setHoldTimer(30)
194 .setBgpParameters(params).setVersion(new ProtocolVersion((short) 4)).build());
196 final BGPMessageParserMock mockParser = new BGPMessageParserMock(openMap);
198 final Set<BgpTableType> result = Sets.newHashSet();
199 for (final BgpParameters p : ((Open) mockParser.parseMessage(Unpooled.copiedBuffer(input), null))
200 .getBgpParameters()) {
201 for (final OptionalCapabilities capa : p.getOptionalCapabilities()) {
202 final CParameters cp = capa.getCParameters();
203 if (cp.getAugmentation(CParameters1.class) != null && cp.getAugmentation(CParameters1.class)
204 .getMultiprotocolCapability() != null) {
205 final BgpTableType t = new BgpTableTypeImpl(cp.getAugmentation(CParameters1.class)
206 .getMultiprotocolCapability().getAfi(),
207 cp.getAugmentation(CParameters1.class).getMultiprotocolCapability().getSafi());
212 assertEquals(type, result);