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StoreProcessorTest.java
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StoreProcessorTest.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.consistency.checking.full;
import org.junit.Rule;
import org.junit.Test;
import org.neo4j.consistency.checking.CheckDecorator;
import org.neo4j.consistency.checking.RecordCheck;
import org.neo4j.consistency.checking.cache.CacheAccess;
import org.neo4j.consistency.report.ConsistencyReport;
import org.neo4j.io.pagecache.PageCursor;
import org.neo4j.kernel.impl.store.InvalidRecordException;
import org.neo4j.kernel.impl.store.RecordStore;
import org.neo4j.kernel.impl.store.StoreType;
import org.neo4j.kernel.impl.store.record.NodeRecord;
import org.neo4j.kernel.impl.store.record.RecordLoad;
import org.neo4j.test.rule.NeoStoresRule;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
public class StoreProcessorTest
{
@Rule
public final NeoStoresRule stores = new NeoStoresRule( getClass(), StoreType.NODE, StoreType.NODE_LABEL );
@SuppressWarnings( "unchecked" )
@Test
public void shouldProcessAllTheRecordsInAStore() throws Exception
{
// given
RecordStore<NodeRecord> nodeStore = stores.open().getNodeStore();
ConsistencyReport.Reporter reporter = mock( ConsistencyReport.Reporter.class );
StoreProcessor processor = new StoreProcessor( CheckDecorator.NONE,
reporter, Stage.SEQUENTIAL_FORWARD, CacheAccess.EMPTY );
nodeStore.updateRecord( node( 0, false, 0, 0 ) );
nodeStore.updateRecord( node( 1, false, 0, 0 ) );
nodeStore.updateRecord( node( 2, false, 0, 0 ) );
nodeStore.setHighestPossibleIdInUse( 2 );
// when
processor.applyFiltered( nodeStore );
// then
verify( reporter, times( 3 ) ).forNode( any( NodeRecord.class ), any( RecordCheck.class ) );
}
private NodeRecord node( long id, boolean dense, long nextRel, long nextProp )
{
return new NodeRecord( id ).initialize( true, nextProp, dense, nextRel, 0 );
}
@SuppressWarnings( "unchecked" )
@Test
public void shouldStopProcessingRecordsWhenSignalledToStop() throws Exception
{
// given
ConsistencyReport.Reporter reporter = mock( ConsistencyReport.Reporter.class );
StoreProcessor processor = new StoreProcessor( CheckDecorator.NONE,
reporter, Stage.SEQUENTIAL_FORWARD, CacheAccess.EMPTY );
RecordStore<NodeRecord> nodeStore = new RecordStore.Delegator<NodeRecord>( stores.open().getNodeStore() )
{
@Override
public NodeRecord readRecord( long id, NodeRecord target, RecordLoad mode, PageCursor cursor )
throws InvalidRecordException
{
if ( id == 3 )
{
processor.stop();
}
return super.readRecord( id, target, mode, cursor );
}
};
nodeStore.updateRecord( node( 0, false, 0, 0 ) );
nodeStore.updateRecord( node( 1, false, 0, 0 ) );
nodeStore.updateRecord( node( 2, false, 0, 0 ) );
nodeStore.updateRecord( node( 3, false, 0, 0 ) );
nodeStore.updateRecord( node( 4, false, 0, 0 ) );
nodeStore.setHighestPossibleIdInUse( 4 );
// when
processor.applyFiltered( nodeStore );
// then
verify( reporter, times( 3 ) ).forNode( any( NodeRecord.class ), any( RecordCheck.class ) );
}
}