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UpdateRecordsStepTest.java
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UpdateRecordsStepTest.java
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/*
* Copyright (c) 2002-2017 "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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.unsafe.impl.batchimport;
import org.junit.Test;
import java.util.Arrays;
import org.neo4j.kernel.impl.store.NodeStore;
import org.neo4j.kernel.impl.store.RecordStore;
import org.neo4j.kernel.impl.store.id.IdGeneratorImpl;
import org.neo4j.kernel.impl.store.record.NodeRecord;
import org.neo4j.unsafe.impl.batchimport.staging.BatchSender;
import org.neo4j.unsafe.impl.batchimport.staging.StageControl;
import org.neo4j.unsafe.impl.batchimport.stats.Keys;
import org.neo4j.unsafe.impl.batchimport.stats.Stat;
import org.neo4j.unsafe.impl.batchimport.store.StorePrepareIdSequence;
import static org.hamcrest.Matchers.greaterThan;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
public class UpdateRecordsStepTest
{
@Test
public void ioThroughputStatDoesNotOverflow() throws Throwable
{
// store with huge record size to force overflow and not create huge batch of records
RecordStore<NodeRecord> store = mock( RecordStore.class );
when( store.getRecordSize() ).thenReturn( Integer.MAX_VALUE / 2 );
Configuration configuration = mock( Configuration.class );
StageControl stageControl = mock( StageControl.class );
UpdateRecordsStep<NodeRecord> step = new UpdateRecordsStep<>( stageControl, configuration, store, new StorePrepareIdSequence() );
NodeRecord record = new NodeRecord( 1 );
record.setInUse( true );
NodeRecord[] batch = new NodeRecord[11];
Arrays.fill( batch, record );
step.process( batch, mock( BatchSender.class ) );
Stat stat = step.stat( Keys.io_throughput );
assertThat( stat.asLong(), greaterThan( 0L ) );
}
@Test
public void recordWithReservedIdIsSkipped() throws Throwable
{
RecordStore<NodeRecord> store = mock( NodeStore.class );
StageControl stageControl = mock( StageControl.class );
UpdateRecordsStep<NodeRecord> step = new UpdateRecordsStep<>( stageControl, Configuration.DEFAULT, store,
new StorePrepareIdSequence() );
NodeRecord node1 = new NodeRecord( 1 );
node1.setInUse( true );
NodeRecord node2 = new NodeRecord( 2 );
node2.setInUse( true );
NodeRecord nodeWithReservedId = new NodeRecord( IdGeneratorImpl.INTEGER_MINUS_ONE );
NodeRecord[] batch = {node1, node2, nodeWithReservedId};
step.process( batch, mock( BatchSender.class ) );
verify( store ).prepareForCommit( node1, store );
verify( store ).updateRecord( node1 );
verify( store ).prepareForCommit( node2, store );
verify( store ).updateRecord( node2 );
verify( store, never() ).prepareForCommit( nodeWithReservedId, store );
verify( store, never() ).updateRecord( nodeWithReservedId );
}
}