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 java.lang.reflect.Constructor;
18 import java.lang.reflect.InvocationTargetException;
19 import org.junit.Test;
20 import org.opendaylight.protocol.util.ByteArray;
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.Ipv6Address;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.CNextHop;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCase;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv6NextHopCase;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv6NextHopCaseBuilder;
28 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;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.ipv6.next.hop._case.Ipv6NextHopBuilder;
30 import org.opendaylight.yangtools.yang.binding.DataContainer;
32 public class NextHopUtilTest {
34 private static final byte[] ipv4B = { 42, 42, 42, 42 };
35 private static final byte[] ipv6B = { 0x20, 1, 0x0d, (byte) 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
36 private static final byte[] ipv6lB = { 0x20, 1, 0x0d, (byte) 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
37 1, (byte) 0xfe, (byte) 0x80, 0, 0, 0, 0, 0, 0, (byte) 0xc0, 1, 0x0b, (byte) 0xff, (byte) 0xfe, 0x7e, 0, 0 };
39 private static final Ipv4Address ipv4 = new Ipv4Address("42.42.42.42");
40 private static final Ipv6Address ipv6 = new Ipv6Address("2001:db8::1");
41 private static final Ipv6Address ipv6l = new Ipv6Address("fe80::c001:bff:fe7e:0");
44 public void testSerializeNextHop() {
45 CNextHop hop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(ipv4).build()).build();
46 final ByteBuf buffer = Unpooled.buffer();
47 NextHopUtil.serializeNextHop(hop, buffer);
48 assertArrayEquals(ipv4B, ByteArray.readAllBytes(buffer));
50 hop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(new Ipv6NextHopBuilder().setGlobal(ipv6).build()).build();
52 NextHopUtil.serializeNextHop(hop, buffer);
53 assertArrayEquals(ipv6B, ByteArray.readAllBytes(buffer));
55 hop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(new Ipv6NextHopBuilder().setGlobal(ipv6).setLinkLocal(ipv6l).build()).build();
57 NextHopUtil.serializeNextHop(hop, buffer);
58 assertArrayEquals(ipv6lB, ByteArray.readAllBytes(buffer));
61 NextHopUtil.serializeNextHop(new CNextHop() {
64 public Class<? extends DataContainer> getImplementedInterface() {
68 assertEquals(0, buffer.readableBytes());
70 hop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(new Ipv6NextHopBuilder().setLinkLocal(ipv6l).build()).build();
73 NextHopUtil.serializeNextHop(hop, buffer);
74 fail("Exception should happen");
75 } catch (final IllegalArgumentException e) {
76 assertEquals("Ipv6 Next Hop is missing Global address.", e.getMessage());
81 public void testParseNextHop() {
84 hop = NextHopUtil.parseNextHop(Unpooled.wrappedBuffer(ipv4B));
85 } catch (final IllegalArgumentException e) {
86 fail("This exception should not happen");
88 assertEquals(ipv4, ((Ipv4NextHopCase) hop).getIpv4NextHop().getGlobal());
91 hop = NextHopUtil.parseNextHop(Unpooled.wrappedBuffer(ipv6B));
92 } catch (final IllegalArgumentException e) {
93 fail("This exception should not happen");
95 assertEquals(ipv6, ((Ipv6NextHopCase) hop).getIpv6NextHop().getGlobal());
96 assertNull(((Ipv6NextHopCase) hop).getIpv6NextHop().getLinkLocal());
99 hop = NextHopUtil.parseNextHop(Unpooled.wrappedBuffer(ipv6lB));
100 } catch (final IllegalArgumentException e) {
101 fail("This exception should not happen");
103 assertEquals(ipv6, ((Ipv6NextHopCase) hop).getIpv6NextHop().getGlobal());
104 assertEquals(ipv6l, ((Ipv6NextHopCase) hop).getIpv6NextHop().getLinkLocal());
106 final byte[] wrong = new byte[] { (byte) 0x20, (byte) 0x01, (byte) 0x0d };
108 NextHopUtil.parseNextHop(Unpooled.wrappedBuffer(wrong));
109 fail("Exception should happen");
110 } catch (final IllegalArgumentException e) {
111 assertEquals("Cannot parse NEXT_HOP attribute. Wrong bytes length: 3", e.getMessage());
115 @Test(expected=UnsupportedOperationException.class)
116 public void testPrivateConstructor() throws Throwable {
117 final Constructor<NextHopUtil> c = NextHopUtil.class.getDeclaredConstructor();
118 c.setAccessible(true);
121 } catch (InvocationTargetException e) {