2 * Copyright (c) 2014 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.bgp.concepts;
10 import static org.junit.Assert.assertArrayEquals;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertNull;
13 import static org.junit.Assert.fail;
15 import io.netty.buffer.ByteBuf;
16 import io.netty.buffer.Unpooled;
17 import org.junit.Test;
18 import org.opendaylight.protocol.util.ByteArray;
19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.CNextHop;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.Ipv4NextHopCase;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.Ipv6NextHopCase;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.Ipv6NextHopCaseBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHopBuilder;
27 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;
29 public class NextHopUtilTest {
31 private static final byte[] IPV4B = {42, 42, 42, 42};
32 private static final byte[] IPV6B = {0x20, 1, 0x0d, (byte) 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
33 private static final byte[] IPV6LB = {0x20, 1, 0x0d, (byte) 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
34 1, (byte) 0xfe, (byte) 0x80, 0, 0, 0, 0, 0, 0, (byte) 0xc0, 1, 0x0b, (byte) 0xff, (byte) 0xfe, 0x7e, 0, 0};
36 private static final Ipv4Address IPV4 = new Ipv4Address("42.42.42.42");
37 private static final Ipv6Address IPV6 = new Ipv6Address("2001:db8::1");
38 private static final Ipv6Address IPV6L = new Ipv6Address("fe80::c001:bff:fe7e:0");
41 public void testSerializeNextHop() {
42 CNextHop hop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder()
43 .setGlobal(IPV4).build()).build();
44 final ByteBuf buffer = Unpooled.buffer();
45 NextHopUtil.serializeNextHop(hop, buffer);
46 assertArrayEquals(IPV4B, ByteArray.readAllBytes(buffer));
48 hop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(new Ipv6NextHopBuilder().setGlobal(IPV6).build()).build();
50 NextHopUtil.serializeNextHop(hop, buffer);
51 assertArrayEquals(IPV6B, ByteArray.readAllBytes(buffer));
53 hop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(new Ipv6NextHopBuilder().setGlobal(IPV6)
54 .setLinkLocal(IPV6L).build()).build();
56 NextHopUtil.serializeNextHop(hop, buffer);
57 assertArrayEquals(IPV6LB, ByteArray.readAllBytes(buffer));
61 hop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(new Ipv6NextHopBuilder().setLinkLocal(IPV6L).build()).build();
64 NextHopUtil.serializeNextHop(hop, buffer);
65 fail("Exception should happen");
66 } catch (final IllegalArgumentException e) {
67 assertEquals("Ipv6 Next Hop is missing Global address.", e.getMessage());
71 @Test(expected = IllegalArgumentException.class)
72 public void testSerializeNextHopException() {
73 NextHopUtil.serializeNextHop(() -> null, null);
77 public void testParseNextHop() {
80 hop = NextHopUtil.parseNextHop(Unpooled.wrappedBuffer(IPV4B));
81 } catch (final IllegalArgumentException e) {
82 fail("This exception should not happen");
84 assertEquals(IPV4, ((Ipv4NextHopCase) hop).getIpv4NextHop().getGlobal());
87 hop = NextHopUtil.parseNextHop(Unpooled.wrappedBuffer(IPV6B));
88 } catch (final IllegalArgumentException e) {
89 fail("This exception should not happen");
91 assertEquals(IPV6, ((Ipv6NextHopCase) hop).getIpv6NextHop().getGlobal());
92 assertNull(((Ipv6NextHopCase) hop).getIpv6NextHop().getLinkLocal());
95 hop = NextHopUtil.parseNextHop(Unpooled.wrappedBuffer(IPV6LB));
96 } catch (final IllegalArgumentException e) {
97 fail("This exception should not happen");
99 assertEquals(IPV6, ((Ipv6NextHopCase) hop).getIpv6NextHop().getGlobal());
100 assertEquals(IPV6L, ((Ipv6NextHopCase) hop).getIpv6NextHop().getLinkLocal());
102 final byte[] wrong = new byte[]{(byte) 0x20, (byte) 0x01, (byte) 0x0d};
104 NextHopUtil.parseNextHop(Unpooled.wrappedBuffer(wrong));
105 fail("Exception should happen");
106 } catch (final IllegalArgumentException e) {
107 assertEquals("Cannot parse NEXT_HOP attribute. Wrong bytes length: 3", e.getMessage());