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TxPullResponseEncodeDecodeTest.java
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TxPullResponseEncodeDecodeTest.java
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/*
* Copyright (c) 2002-2016 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.causalclustering.catchup.tx;
import io.netty.channel.embedded.EmbeddedChannel;
import org.junit.Test;
import org.neo4j.causalclustering.identity.StoreId;
import org.neo4j.kernel.impl.store.record.NodeRecord;
import org.neo4j.kernel.impl.transaction.CommittedTransactionRepresentation;
import org.neo4j.kernel.impl.transaction.command.Command;
import org.neo4j.kernel.impl.transaction.log.LogPosition;
import org.neo4j.kernel.impl.transaction.log.PhysicalTransactionRepresentation;
import org.neo4j.kernel.impl.transaction.log.entry.LogEntryCommand;
import org.neo4j.kernel.impl.transaction.log.entry.LogEntryStart;
import org.neo4j.kernel.impl.transaction.log.entry.OnePhaseCommit;
import static java.util.Arrays.asList;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotSame;
public class TxPullResponseEncodeDecodeTest
{
@Test
public void shouldEncodeAndDecodePullResponseMessage()
{
// given
EmbeddedChannel channel = new EmbeddedChannel( new TxPullResponseEncoder(), new TxPullResponseDecoder() );
TxPullResponse sent = new TxPullResponse( new StoreId( 1, 2, 3, 4 ), newCommittedTransactionRepresentation() );
// when
channel.writeOutbound( sent );
channel.writeInbound( new Object[]{channel.readOutbound()} );
// then
TxPullResponse received = (TxPullResponse) channel.readInbound();
assertNotSame( sent, received );
assertEquals( sent, received );
}
private CommittedTransactionRepresentation newCommittedTransactionRepresentation()
{
final long arbitraryRecordId = 27L;
Command.NodeCommand command =
new Command.NodeCommand( new NodeRecord( arbitraryRecordId ), new NodeRecord( arbitraryRecordId ) );
PhysicalTransactionRepresentation physicalTransactionRepresentation =
new PhysicalTransactionRepresentation( asList( new LogEntryCommand( command ).getXaCommand() ) );
physicalTransactionRepresentation.setHeader( new byte[]{}, 0, 0, 0, 0, 0, 0 );
LogEntryStart startEntry = new LogEntryStart( 0, 0, 0L, 0L, new byte[]{}, LogPosition.UNSPECIFIED );
OnePhaseCommit commitEntry = new OnePhaseCommit( 42, 0 );
return new CommittedTransactionRepresentation( startEntry, physicalTransactionRepresentation, commitEntry );
}
}