se.sics.nstream.torrent.transfer.msg.DownloadPieceSerializerTest.java Source code

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Here is the source code for se.sics.nstream.torrent.transfer.msg.DownloadPieceSerializerTest.java

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/*
 * Copyright (C) 2009 Swedish Institute of Computer Science (SICS) Copyright (C)
 * 2009 Royal Institute of Technology (KTH)
 *
 * GVoD is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package se.sics.nstream.torrent.transfer.msg;

import com.google.common.base.Optional;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import org.javatuples.Pair;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import se.sics.gvod.network.GVoDSerializerSetup;
import se.sics.kompics.network.netty.serialization.Serializer;
import se.sics.kompics.network.netty.serialization.Serializers;
import se.sics.ktoolbox.util.identifiable.BasicIdentifiers;
import se.sics.ktoolbox.util.identifiable.IdentifierFactory;
import se.sics.ktoolbox.util.identifiable.IdentifierRegistry;
import se.sics.ktoolbox.util.identifiable.overlay.OverlayId;
import se.sics.ktoolbox.util.identifiable.overlay.OverlayIdFactory;
import se.sics.ktoolbox.util.identifiable.overlay.OverlayRegistry;
import se.sics.ktoolbox.util.reference.KReference;
import se.sics.ktoolbox.util.reference.KReferenceFactory;
import se.sics.ktoolbox.util.setup.BasicSerializerSetup;
import se.sics.nstream.TorrentIds;
import se.sics.nstream.test.DownloadPieceRequestEC;
import se.sics.nstream.test.DownloadPieceResponseEC;

/**
 * @author Alex Ormenisan <aaor@kth.se>
 */
public class DownloadPieceSerializerTest {

    private static OverlayIdFactory overlayIdFactory;

    @BeforeClass
    public static void setup() {
        BasicIdentifiers.registerDefaults(1234l);
        OverlayRegistry.initiate(new OverlayId.BasicTypeFactory((byte) 0), new OverlayId.BasicTypeComparator());

        int serializerId = 128;
        serializerId = BasicSerializerSetup.registerBasicSerializers(serializerId);
        serializerId = GVoDSerializerSetup.registerSerializers(serializerId);

        byte ownerId = 1;
        IdentifierFactory baseIdFactory = IdentifierRegistry.lookup(BasicIdentifiers.Values.OVERLAY.toString());
        overlayIdFactory = new OverlayIdFactory(baseIdFactory, OverlayId.BasicTypes.OTHER, ownerId);
    }

    @Test
    public void simpleReq() {
        Serializer serializer = Serializers.lookupSerializer(DownloadPiece.Request.class);
        DownloadPieceRequestEC ec = new DownloadPieceRequestEC();
        DownloadPiece.Request original, copy;
        ByteBuf serializedOriginal, serializedCopy;

        original = new DownloadPiece.Request(TorrentIds.fileId(overlayIdFactory.randomId(), 2), Pair.with(1, 2));
        serializedOriginal = Unpooled.buffer();
        serializer.toBinary(original, serializedOriginal);

        serializedCopy = Unpooled.buffer();
        serializedOriginal.getBytes(0, serializedCopy, serializedOriginal.readableBytes());
        copy = (DownloadPiece.Request) serializer.fromBinary(serializedCopy, Optional.absent());

        Assert.assertTrue(ec.isEqual(original, copy));
        Assert.assertEquals(0, serializedCopy.readableBytes());
    }

    @Test
    public void simpleResp() {
        Serializer serializer = Serializers.lookupSerializer(DownloadPiece.Response.class);
        DownloadPieceResponseEC ec = new DownloadPieceResponseEC();
        DownloadPiece.Response original, copy;
        ByteBuf serializedOriginal, serializedCopy;

        DownloadPiece.Request request = new DownloadPiece.Request(TorrentIds.fileId(overlayIdFactory.randomId(), 2),
                Pair.with(1, 2));
        byte[] piece = new byte[] { 1, 2, 3, 4 };
        KReference<byte[]> ref = KReferenceFactory.getReference(piece);
        ref.retain(); //serializer releases the ref and we cannot compare with it anymore
        original = request.success(ref);
        serializedOriginal = Unpooled.buffer();
        serializer.toBinary(original, serializedOriginal);

        serializedCopy = Unpooled.buffer();
        serializedOriginal.getBytes(0, serializedCopy, serializedOriginal.readableBytes());
        copy = (DownloadPiece.Response) serializer.fromBinary(serializedCopy, Optional.absent());

        Assert.assertTrue(ec.isEqual(original, copy));
        Assert.assertEquals(0, serializedCopy.readableBytes());
    }
}