Java tutorial
/* * Copyright (c) 2015 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.rsvp.parser.impl; import static org.junit.Assert.assertEquals; import com.google.common.collect.Lists; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import java.util.List; import org.junit.After; import org.junit.Assert; import org.junit.Before; import org.junit.Test; import org.opendaylight.protocol.rsvp.parser.impl.subobject.ero.EROAsNumberSubobjectParser; import org.opendaylight.protocol.rsvp.parser.impl.subobject.ero.EROExplicitExclusionRouteSubobjectParser; import org.opendaylight.protocol.rsvp.parser.impl.subobject.ero.EROIpv4PrefixSubobjectParser; import org.opendaylight.protocol.rsvp.parser.impl.subobject.ero.EROIpv6PrefixSubobjectParser; import org.opendaylight.protocol.rsvp.parser.impl.subobject.ero.EROLabelSubobjectParser; import org.opendaylight.protocol.rsvp.parser.impl.subobject.ero.EROPathKey128SubobjectParser; import org.opendaylight.protocol.rsvp.parser.impl.subobject.ero.EROPathKey32SubobjectParser; import org.opendaylight.protocol.rsvp.parser.impl.subobject.ero.EROUnnumberedInterfaceSubobjectParser; import org.opendaylight.protocol.rsvp.parser.spi.RSVPParsingException; import org.opendaylight.protocol.rsvp.parser.spi.pojo.SimpleRSVPExtensionProviderContext; 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.AsNumber; 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.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.basic.explicit.route.subobjects.subobject.type.AsNumberCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.IpPrefixCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.LabelCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.UnnumberedCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.as.number._case.AsNumberBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.ip.prefix._case.IpPrefixBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.label._case.LabelBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.unnumbered._case.UnnumberedBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.list.SubobjectContainerBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.ExrsCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.PathKeyCaseBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.ExrsBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.path.key._case.PathKeyBuilder; 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; public class EROSubobjectParserTest { private static final byte[] IP_4_PREFIX_BYTES = { (byte) 0x81, (byte) 0x08, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0x16, (byte) 0x00 }; private static final byte[] IP_6_PREFIX_BYTES = { (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) 0x00 }; private static final byte[] AS_NUMBER_BYTES = { (byte) 0xa0, (byte) 0x04, (byte) 0x00, (byte) 0x64 }; private static final byte[] UNNUMBERED_BYTES = { (byte) 0x84, (byte) 0x0c, (byte) 0x00, (byte) 0x00, (byte) 0x12, (byte) 0x34, (byte) 0x50, (byte) 0x00, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF }; private static final byte[] PATH_KEY_32_BYTES = { (byte) 0xc0, (byte) 0x08, (byte) 0x12, (byte) 0x34, (byte) 0x12, (byte) 0x34, (byte) 0x50, (byte) 0x00 }; private static final byte[] PATH_KEY_128_BYTES = { (byte) 0xc1, (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[] LABEL_BYTES = { (byte) 0x83, (byte) 0x08, (byte) 0x80, (byte) 0x02, (byte) 0x12, (byte) 0x00, (byte) 0x25, (byte) 0xFF }; private static final byte[] EXRS_BYTES = { (byte) 0xa1, (byte) 0x06, (byte) 0xa0, (byte) 0x04, (byte) 0x00, (byte) 0x64 }; private SimpleRSVPExtensionProviderContext ctx; private RSVPActivator act; @Before public void setUp() { this.ctx = new SimpleRSVPExtensionProviderContext(); this.act = new RSVPActivator(); this.act.start(this.ctx); } @After public void tearDown() { this.act.close(); } @Test public void testEROIp4PrefixSubobject() throws RSVPParsingException { final EROIpv4PrefixSubobjectParser parser = new EROIpv4PrefixSubobjectParser(); final SubobjectContainerBuilder subs = new SubobjectContainerBuilder(); subs.setLoose(true); 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(IP_4_PREFIX_BYTES, 2)), true)); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); Assert.assertArrayEquals(IP_4_PREFIX_BYTES, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } @Test public void testEROIp6PrefixSubobject() throws RSVPParsingException { final EROIpv6PrefixSubobjectParser parser = new EROIpv6PrefixSubobjectParser(); final SubobjectContainerBuilder subs = new SubobjectContainerBuilder(); 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()); subs.setLoose(false); assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(IP_6_PREFIX_BYTES, 2)), false)); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); Assert.assertArrayEquals(IP_6_PREFIX_BYTES, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } @Test public void testEROAsNumberSubobject() throws RSVPParsingException { final EROAsNumberSubobjectParser parser = new EROAsNumberSubobjectParser(); final SubobjectContainerBuilder subs = new SubobjectContainerBuilder(); subs.setLoose(true); subs.setSubobjectType(new AsNumberCaseBuilder() .setAsNumber(new AsNumberBuilder().setAsNumber(new AsNumber(0x64L)).build()).build()); assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(AS_NUMBER_BYTES, 2)), true)); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); Assert.assertArrayEquals(AS_NUMBER_BYTES, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } @Test public void testEROUnnumberedSubobject() throws RSVPParsingException { final EROUnnumberedInterfaceSubobjectParser parser = new EROUnnumberedInterfaceSubobjectParser(); final SubobjectContainerBuilder subs = new SubobjectContainerBuilder(); subs.setLoose(true); subs.setSubobjectType(new UnnumberedCaseBuilder() .setUnnumbered(new UnnumberedBuilder().setRouterId(0x12345000L).setInterfaceId(0xffffffffL).build()) .build()); assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(UNNUMBERED_BYTES, 2)), true)); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); Assert.assertArrayEquals(UNNUMBERED_BYTES, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } @Test public void testEROPathKey32Subobject() throws RSVPParsingException { final EROPathKey32SubobjectParser parser = new EROPathKey32SubobjectParser(); final SubobjectContainerBuilder subs = new SubobjectContainerBuilder(); subs.setLoose(true); 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(PATH_KEY_32_BYTES, 2)), true)); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); Assert.assertArrayEquals(PATH_KEY_32_BYTES, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } @Test public void testEROPathKey128Subobject() throws RSVPParsingException { final EROPathKey128SubobjectParser parser128 = new EROPathKey128SubobjectParser(); final EROPathKey32SubobjectParser parser = new EROPathKey32SubobjectParser(); final SubobjectContainerBuilder subs = new SubobjectContainerBuilder(); subs.setLoose(true); 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(), parser128.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(PATH_KEY_128_BYTES, 2)), true)); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); Assert.assertArrayEquals(PATH_KEY_128_BYTES, ByteArray.getAllBytes(buff)); try { parser128.parseSubobject(null, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser128.parseSubobject(Unpooled.EMPTY_BUFFER, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } @Test public void testEROLabelSubobject() throws Exception { final EROLabelSubobjectParser parser = new EROLabelSubobjectParser(this.ctx.getLabelHandlerRegistry()); final SubobjectContainerBuilder subs = new SubobjectContainerBuilder(); subs.setLoose(true); subs.setSubobjectType(new LabelCaseBuilder().setLabel(new LabelBuilder().setUniDirectional(true) .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(LABEL_BYTES, 2)), true)); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); Assert.assertArrayEquals(LABEL_BYTES, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } @Test public void testEROEXRSSubobject() throws Exception { final EROExplicitExclusionRouteSubobjectParser parser = new EROExplicitExclusionRouteSubobjectParser( this.ctx.getXROSubobjectHandlerRegistry()); final SubobjectContainerBuilder subs = new SubobjectContainerBuilder(); subs.setLoose(true); final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.exrs.Exrs> list = Lists .newArrayList(); final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.exrs.ExrsBuilder builder = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.explicit.route.subobjects.subobject.type.exrs._case.exrs.ExrsBuilder(); builder.setMandatory(true); builder.setSubobjectType(new AsNumberCaseBuilder() .setAsNumber(new AsNumberBuilder().setAsNumber(new AsNumber(0x64L)).build()).build()); list.add(builder.build()); subs.setSubobjectType(new ExrsCaseBuilder().setExrs(new ExrsBuilder().setExrs(list).build()).build()); assertEquals(subs.build(), parser.parseSubobject(Unpooled.wrappedBuffer(ByteArray.cutBytes(EXRS_BYTES, 2)), true)); final ByteBuf buff = Unpooled.buffer(); parser.serializeSubobject(subs.build(), buff); Assert.assertArrayEquals(EXRS_BYTES, ByteArray.getAllBytes(buff)); try { parser.parseSubobject(null, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } try { parser.parseSubobject(Unpooled.EMPTY_BUFFER, true); Assert.fail(); } catch (final IllegalArgumentException e) { Assert.assertEquals("Array of bytes is mandatory. Can't be null or empty.", e.getMessage()); } } }