2 * Copyright (c) 2016 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.impl;
10 import static org.junit.Assert.assertArrayEquals;
11 import static org.junit.Assert.assertEquals;
13 import io.netty.buffer.ByteBuf;
14 import io.netty.buffer.Unpooled;
15 import java.util.ArrayList;
16 import java.util.List;
17 import org.junit.Before;
18 import org.junit.Test;
19 import org.mockito.Mock;
20 import org.mockito.Mockito;
21 import org.mockito.MockitoAnnotations;
22 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
23 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
24 import org.opendaylight.protocol.bgp.parser.impl.message.open.AddPathCapabilityHandler;
25 import org.opendaylight.protocol.bgp.parser.spi.AddressFamilyRegistry;
26 import org.opendaylight.protocol.bgp.parser.spi.SubsequentAddressFamilyRegistry;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.optional.capabilities.CParameters;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.CParameters1Builder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.SendReceive;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.AddPathCapabilityBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.add.path.capability.AddressFamilies;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.mp.capabilities.add.path.capability.AddressFamiliesBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv6AddressFamily;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.UnicastSubsequentAddressFamily;
38 public class AddPathCapabilityHandlerTest {
39 private static final Class<Ipv6AddressFamily> AFI = Ipv6AddressFamily.class;
40 private static final Class<UnicastSubsequentAddressFamily> SAFI = UnicastSubsequentAddressFamily.class;
43 private AddressFamilyRegistry afiRegistry;
45 private AddressFamilyRegistry afirExpection;
47 private SubsequentAddressFamilyRegistry safiRegistry;
49 private SubsequentAddressFamilyRegistry safirException;
50 private final ByteBuf parseCorrectBytes = Unpooled.copiedBuffer(new byte[] {1, 4, 4, 1});
51 private final ByteBuf parseWrongBytes = Unpooled.copiedBuffer(new byte[] {1, 4, 4, 4});
52 private final byte[] serializedBytes = new byte[] {AddPathCapabilityHandler.CODE, 4, 1, 4, 4, 1};
56 MockitoAnnotations.initMocks(this);
57 Mockito.doReturn(260).when(this.afiRegistry).numberForClass(AFI);
58 Mockito.doReturn(AddPathCapabilityHandlerTest.AFI).when(this.afiRegistry).classForFamily(260);
60 Mockito.doReturn(null).when(this.afirExpection).numberForClass(AFI);
61 Mockito.doReturn(null).when(this.afirExpection).classForFamily(260);
63 Mockito.doReturn(4).when(this.safiRegistry).numberForClass(SAFI);
64 Mockito.doReturn(AddPathCapabilityHandlerTest.SAFI).when(this.safiRegistry).classForFamily(4);
66 Mockito.doReturn(null).when(this.safirException).numberForClass(SAFI);
67 Mockito.doReturn(null).when(this.safirException).classForFamily(4);
71 public void testCapabilityHandler() throws BGPDocumentedException, BGPParsingException {
72 final List<AddressFamilies> family = new ArrayList<>();
73 family.add(new AddressFamiliesBuilder().setAfi(AddPathCapabilityHandlerTest.AFI)
74 .setSafi(AddPathCapabilityHandlerTest.SAFI).setSendReceive(SendReceive.forValue(1)).build());
76 final CParameters capabilityToSerialize = new CParametersBuilder().addAugmentation(CParameters1.class,
77 new CParameters1Builder().setAddPathCapability(
78 new AddPathCapabilityBuilder().setAddressFamilies(family).build()).build()).build();
80 final ByteBuf bytes = Unpooled.buffer(6);
81 final AddPathCapabilityHandler handler = new AddPathCapabilityHandler(this.afiRegistry, this.safiRegistry);
82 handler.serializeCapability(capabilityToSerialize, bytes);
83 assertArrayEquals(this.serializedBytes, bytes.array());
85 final CParameters newCaps = handler.parseCapability(this.parseCorrectBytes);
86 assertEquals(capabilityToSerialize.hashCode(), newCaps.hashCode());
89 @Test(expected = BGPParsingException.class)
90 public void testAfiException() throws BGPDocumentedException, BGPParsingException {
91 final ByteBuf bytes = this.parseWrongBytes.copy();
92 final AddPathCapabilityHandler handler = new AddPathCapabilityHandler(this.afirExpection, this.safiRegistry);
93 handler.parseCapability(bytes);
96 @Test(expected = BGPParsingException.class)
97 public void testSafiException() throws BGPDocumentedException, BGPParsingException {
98 final ByteBuf bytes = this.parseWrongBytes.copy();
99 final AddPathCapabilityHandler handler = new AddPathCapabilityHandler(this.afiRegistry, this.safirException);
100 handler.parseCapability(bytes);
104 public void testSendReceiveIgnored() throws BGPDocumentedException, BGPParsingException {
105 final CParameters capabilityToSerialize = new CParametersBuilder().addAugmentation(CParameters1.class,
106 new CParameters1Builder().setAddPathCapability(
107 new AddPathCapabilityBuilder().setAddressFamilies(new ArrayList<>()).build()).build()).build();
109 final ByteBuf bytes = this.parseWrongBytes.copy();
110 final AddPathCapabilityHandler handler = new AddPathCapabilityHandler(this.afiRegistry, this.safiRegistry);
111 final CParameters newCaps = handler.parseCapability(bytes);
112 assertEquals(capabilityToSerialize.hashCode(), newCaps.hashCode());
115 @Test(expected = IllegalArgumentException.class)
116 public void testUnhandledAfi() {
117 final List<AddressFamilies> family = new ArrayList<>();
118 family.add(new AddressFamiliesBuilder().setAfi(AddPathCapabilityHandlerTest.AFI)
119 .setSafi(AddPathCapabilityHandlerTest.SAFI).setSendReceive(SendReceive.forValue(2)).build());
121 final CParameters capabilityToSerialize = new CParametersBuilder().addAugmentation(CParameters1.class,
122 new CParameters1Builder().setAddPathCapability(
123 new AddPathCapabilityBuilder().setAddressFamilies(family).build()).build()).build();
125 final ByteBuf bytes = Unpooled.buffer();
126 final AddPathCapabilityHandler handler = new AddPathCapabilityHandler(this.afirExpection, this.safiRegistry);
127 handler.serializeCapability(capabilityToSerialize, bytes);
130 @Test(expected = IllegalArgumentException.class)
131 public void testUnhandledSafi() {
132 final List<AddressFamilies> family = new ArrayList<>();
133 family.add(new AddressFamiliesBuilder().setAfi(AddPathCapabilityHandlerTest.AFI)
134 .setSafi(AddPathCapabilityHandlerTest.SAFI).setSendReceive(SendReceive.forValue(3)).build());
136 final CParameters capabilityToSerialize = new CParametersBuilder().addAugmentation(CParameters1.class,
137 new CParameters1Builder().setAddPathCapability(
138 new AddPathCapabilityBuilder().setAddressFamilies(family).build()).build()).build();
140 final ByteBuf bytes = Unpooled.buffer();
141 final AddPathCapabilityHandler handler = new AddPathCapabilityHandler(this.afiRegistry, this.safirException);
142 handler.serializeCapability(capabilityToSerialize, bytes);
145 @Test(expected = IllegalArgumentException.class)
146 public void testUnhandledSendReceive() {
147 final List<AddressFamilies> family = new ArrayList<>();
148 family.add(new AddressFamiliesBuilder().setAfi(AddPathCapabilityHandlerTest.AFI)
149 .setSafi(AddPathCapabilityHandlerTest.SAFI).setSendReceive(SendReceive.forValue(4)).build());
151 final CParameters capabilityToSerialize = new CParametersBuilder().addAugmentation(CParameters1.class,
152 new CParameters1Builder().setAddPathCapability(
153 new AddPathCapabilityBuilder().setAddressFamilies(family).build()).build()).build();
155 final ByteBuf bytes = Unpooled.buffer();
156 final AddPathCapabilityHandler handler = new AddPathCapabilityHandler(this.afiRegistry, this.safiRegistry);
157 handler.serializeCapability(capabilityToSerialize, bytes);
161 public void noSerializationTest() {
162 final CParameters capabilityNoAugmentation = new CParametersBuilder().addAugmentation(CParameters1.class, null)
164 final CParameters capabilityNoMP = new CParametersBuilder().addAugmentation(CParameters1.class,
165 new CParameters1Builder().build()).build();
167 final ByteBuf bytes = Unpooled.buffer();
168 final AddPathCapabilityHandler handler = new AddPathCapabilityHandler(this.afiRegistry, this.safirException);
169 handler.serializeCapability(capabilityNoAugmentation, bytes);
170 assertEquals(0, bytes.readableBytes());
171 handler.serializeCapability(capabilityNoMP, bytes);
172 assertEquals(0, bytes.readableBytes());