Java tutorial
/* * 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.pcep.impl; import static org.junit.Assert.assertArrayEquals; import static org.junit.Assert.assertEquals; import static org.junit.Assert.fail; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import org.junit.Test; import org.opendaylight.protocol.pcep.parser.BaseParserExtensionActivator; import org.opendaylight.protocol.pcep.parser.subobject.RROIpv4PrefixSubobjectParser; import org.opendaylight.protocol.pcep.parser.subobject.RROIpv6PrefixSubobjectParser; import org.opendaylight.protocol.pcep.parser.subobject.RROLabelSubobjectParser; import org.opendaylight.protocol.pcep.parser.subobject.RROPathKey128SubobjectParser; import org.opendaylight.protocol.pcep.parser.subobject.RROPathKey32SubobjectParser; import org.opendaylight.protocol.pcep.parser.subobject.RROUnnumberedInterfaceSubobjectParser; import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException; import org.opendaylight.protocol.pcep.spi.pojo.SimplePCEPExtensionProviderContext; import org.opendaylight.protocol.util.ByteArray; import org.opendaylight.protocol.util.Ipv6Util; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.SubobjectBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.PathKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.PceId; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.label.subobject.label.type.GeneralizedLabelCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.label.subobject.label.type.generalized.label._case.GeneralizedLabelBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.IpPrefixCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.LabelCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.PathKeyCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.UnnumberedCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.ip.prefix._case.IpPrefixBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.label._case.LabelBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.path.key._case.PathKeyBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.subobject.type.unnumbered._case.UnnumberedBuilder; public class PCEPRROSubobjectParserTest { private static final byte[] ip4PrefixBytes = { (byte) 0x01, (byte) 0x08, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0x16, (byte) 0x01 }; private static final byte[] ip6PrefixBytes = { (byte) 0x02, (byte) 0x14, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0x16, (byte) 0x02 }; private static final byte[] unnumberedBytes = { (byte) 0x04, (byte) 0x0c, (byte) 0x02, (byte) 0x00, (byte) 0x12, (byte) 0x34, (byte) 0x50, (byte) 0x00, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }; private static final byte[] pathKey32Bytes = { (byte) 0x40, (byte) 0x08, (byte) 0x12, (byte) 0x34, (byte) 0x12, (byte) 0x34, (byte) 0x50, (byte) 0x00 }; private static final byte[] pathKey128Bytes = { (byte) 0x41, (byte) 0x14, (byte) 0x12, (byte) 0x34, (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x9A, (byte) 0xBC, (byte) 0xDE, (byte) 0x12, (byte) 0x34, (byte) 0x54, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 }; private static final byte[] labelBytes = { 0x03, 0x08, (byte) 0x80, 0x02, 0x12, 0x00, 0x25, (byte) 0xFF }; @Test public void testRROIp4PrefixSubobject() throws PCEPDeserializerException { final RROIpv4PrefixSubobjectParser parser = new RROIpv4PrefixSubobjectParser(); final SubobjectBuilder subs = new SubobjectBuilder(); subs.setProtectionAvailable(true); subs.setProtectionInUse(false); subs.setSubobjectType(new IpPrefixCaseBuilder().setIpPrefix( new IpPrefixBuilder().setIpPrefix(new IpPrefix(new Ipv4Prefix("255.255.255.255/22"))).build()) .build()); assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(ip4PrefixBytes, 2)))); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); assertArrayEquals(ip4PrefixBytes, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null); fail(); } catch (final IllegalArgumentException e) { assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER); fail(); } catch (final IllegalArgumentException e) { assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } @Test public void testRROIp6PrefixSubobject() throws PCEPDeserializerException { final RROIpv6PrefixSubobjectParser parser = new RROIpv6PrefixSubobjectParser(); final SubobjectBuilder subs = new SubobjectBuilder(); subs.setProtectionAvailable(false); subs.setProtectionInUse(true); subs.setSubobjectType( new IpPrefixCaseBuilder() .setIpPrefix(new IpPrefixBuilder() .setIpPrefix(new IpPrefix(Ipv6Util.prefixForBytes(new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }, 22))) .build()) .build()); assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(ip6PrefixBytes, 2)))); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); assertArrayEquals(ip6PrefixBytes, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null); fail(); } catch (final IllegalArgumentException e) { assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER); fail(); } catch (final IllegalArgumentException e) { assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } @Test public void testRROUnnumberedSubobject() throws PCEPDeserializerException { final RROUnnumberedInterfaceSubobjectParser parser = new RROUnnumberedInterfaceSubobjectParser(); final SubobjectBuilder subs = new SubobjectBuilder(); subs.setProtectionAvailable(false); subs.setProtectionInUse(true); subs.setSubobjectType(new UnnumberedCaseBuilder() .setUnnumbered(new UnnumberedBuilder().setRouterId(0x12345000L).setInterfaceId(0xffffffffL).build()) .build()); assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(unnumberedBytes, 2)))); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); assertArrayEquals(unnumberedBytes, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null); fail(); } catch (final IllegalArgumentException e) { assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER); fail(); } catch (final IllegalArgumentException e) { assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } @Test public void testRROPathKey32Subobject() throws PCEPDeserializerException { final RROPathKey32SubobjectParser parser = new RROPathKey32SubobjectParser(); final SubobjectBuilder subs = new SubobjectBuilder(); final PathKeyBuilder pBuilder = new PathKeyBuilder(); pBuilder.setPceId(new PceId(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x50, (byte) 0x00 })); pBuilder.setPathKey(new PathKey(4660)); subs.setSubobjectType(new PathKeyCaseBuilder().setPathKey(pBuilder.build()).build()); assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(pathKey32Bytes, 2)))); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); assertArrayEquals(pathKey32Bytes, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null); fail(); } catch (final IllegalArgumentException e) { assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER); fail(); } catch (final IllegalArgumentException e) { assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } @Test public void testRROPathKey128Subobject() throws PCEPDeserializerException { final RROPathKey128SubobjectParser parser = new RROPathKey128SubobjectParser(); final SubobjectBuilder subs = new SubobjectBuilder(); final PathKeyBuilder pBuilder = new PathKeyBuilder(); pBuilder.setPceId(new PceId(new byte[] { (byte) 0x12, (byte) 0x34, (byte) 0x56, (byte) 0x78, (byte) 0x9A, (byte) 0xBC, (byte) 0xDE, (byte) 0x12, (byte) 0x34, (byte) 0x54, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 })); pBuilder.setPathKey(new PathKey(4660)); subs.setSubobjectType(new PathKeyCaseBuilder().setPathKey(pBuilder.build()).build()); assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(pathKey128Bytes, 2)))); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); assertArrayEquals(pathKey128Bytes, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null); fail(); } catch (final IllegalArgumentException e) { assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER); fail(); } catch (final IllegalArgumentException e) { assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } @Test public void testRROLabelSubobject() throws Exception { final SimplePCEPExtensionProviderContext ctx = new SimplePCEPExtensionProviderContext(); try (BaseParserExtensionActivator a = new BaseParserExtensionActivator()) { a.start(ctx); final RROLabelSubobjectParser parser = new RROLabelSubobjectParser(ctx.getLabelHandlerRegistry()); final SubobjectBuilder subs = new SubobjectBuilder(); subs.setSubobjectType(new LabelCaseBuilder().setLabel(new LabelBuilder().setUniDirectional(true) .setGlobal(false) .setLabelType( new GeneralizedLabelCaseBuilder().setGeneralizedLabel(new GeneralizedLabelBuilder() .setGeneralizedLabel( new byte[] { (byte) 0x12, (byte) 0x00, (byte) 0x25, (byte) 0xFF }) .build()).build()) .build()).build()); assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(labelBytes, 2)))); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); assertArrayEquals(labelBytes, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null); fail(); } catch (final IllegalArgumentException e) { assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER); fail(); } catch (final IllegalArgumentException e) { assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } } }