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NodeCorrectlyIndexedCheckTest.java
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NodeCorrectlyIndexedCheckTest.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 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.Test;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.neo4j.collection.primitive.PrimitiveLongCollections;
import org.neo4j.collection.primitive.PrimitiveLongIterator;
import org.neo4j.consistency.checking.CheckerEngine;
import org.neo4j.consistency.checking.index.IndexAccessors;
import org.neo4j.consistency.report.ConsistencyReport;
import org.neo4j.graphdb.ResourceIterator;
import org.neo4j.helpers.collection.MapUtil;
import org.neo4j.storageengine.api.schema.BoundedIterable;
import org.neo4j.kernel.api.index.IndexAccessor;
import org.neo4j.kernel.api.index.IndexUpdater;
import org.neo4j.kernel.api.index.SchemaIndexProvider.Descriptor;
import org.neo4j.kernel.impl.api.index.IndexUpdateMode;
import org.neo4j.kernel.impl.store.NodeLabelsField;
import org.neo4j.kernel.impl.store.record.IndexRule;
import org.neo4j.kernel.impl.store.record.NodeRecord;
import org.neo4j.kernel.impl.store.record.PropertyBlock;
import org.neo4j.storageengine.api.schema.IndexReader;
import org.neo4j.storageengine.api.schema.IndexSampler;
import static java.util.Arrays.asList;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyZeroInteractions;
import static org.mockito.Mockito.when;
import static org.neo4j.collection.primitive.PrimitiveLongCollections.emptyIterator;
import static org.neo4j.kernel.api.properties.Property.stringProperty;
import static org.neo4j.kernel.impl.store.record.IndexRule.constraintIndexRule;
import static org.neo4j.kernel.impl.store.record.IndexRule.indexRule;
public class NodeCorrectlyIndexedCheckTest
{
private static final int indexId = 12;
private static final int labelId = 34;
private static final int propertyKeyId = 56;
private static final long constraintId = 78;
@Test
public void shouldBeSilentWhenNodesCorrectlyIndexed() throws Exception
{
// given
IndexRule indexRule = indexRule( indexId, labelId, propertyKeyId, new Descriptor( "provider1", "version1" ) );
NodeRecord nodeRecord = nodeWithLabels( labelId );
NodeCorrectlyIndexedCheck check = new NodeCorrectlyIndexedCheck(
indexContaining( indexRule, Collections.<Object, long[]>singletonMap(
"propertyValue", new long[]{nodeRecord.getId()} ) ),
nodeHasProperty( nodeRecord, "propertyValue" ) );
ConsistencyReport.NodeConsistencyReport report = mock( ConsistencyReport.NodeConsistencyReport.class );
// when
check.check( nodeRecord, engineFor( report ), null );
// then
verifyZeroInteractions( report );
}
@Test
public void shouldReportNodeThatIsNotIndexed() throws Exception
{
// given
IndexRule indexRule = indexRule( indexId, labelId, propertyKeyId, new Descriptor( "provider1", "version1" ) );
NodeRecord nodeRecord = nodeWithLabels( labelId );
NodeCorrectlyIndexedCheck check = new NodeCorrectlyIndexedCheck(
indexContaining( indexRule, new HashMap<Object, long[]>() ),
nodeHasProperty( nodeRecord, "propertyValue" ) );
ConsistencyReport.NodeConsistencyReport report = mock( ConsistencyReport.NodeConsistencyReport.class );
// when
check.check( nodeRecord, engineFor( report ), null );
// then
verify( report ).notIndexed( indexRule, "propertyValue" );
}
@Test
public void shouldReportDuplicateNode() throws Exception
{
// given
IndexRule indexRule = constraintIndexRule( indexId, labelId, propertyKeyId,
new Descriptor( "provider1", "version1" ), constraintId );
NodeRecord nodeRecord = nodeWithLabels( labelId );
long duplicateNodeId1 = 1;
long duplicateNodeId2 = 2;
NodeCorrectlyIndexedCheck check = new NodeCorrectlyIndexedCheck(
indexContaining( indexRule, Collections.<Object, long[]>singletonMap(
"propertyValue", new long[]{nodeRecord.getId(), duplicateNodeId1, duplicateNodeId2} ) ),
nodeHasProperty( nodeRecord, "propertyValue" ) );
ConsistencyReport.NodeConsistencyReport report = mock( ConsistencyReport.NodeConsistencyReport.class );
// when
check.check( nodeRecord, engineFor( report ), null );
// then
verify( report ).uniqueIndexNotUnique( indexRule, "propertyValue", duplicateNodeId1 );
verify( report ).uniqueIndexNotUnique( indexRule, "propertyValue", duplicateNodeId2 );
}
@Test
public void shouldReportNodeIndexedMultipleTimes() throws Exception
{
// given
IndexRule indexRule = indexRule( indexId, labelId, propertyKeyId, new Descriptor( "provider1", "version1" ) );
NodeRecord nodeRecord = nodeWithLabels( labelId );
long nodeId = nodeRecord.getId();
NodeCorrectlyIndexedCheck check = new NodeCorrectlyIndexedCheck(
indexContaining( indexRule, MapUtil.<Object,long[]>genericMap(
"propertyValue", new long[] {nodeId, nodeId, nodeId} ) ),
nodeHasProperty( nodeRecord, "propertyValue" ) );
ConsistencyReport.NodeConsistencyReport report = mock( ConsistencyReport.NodeConsistencyReport.class );
// when
check.check( nodeRecord, engineFor( report ), null );
// then
verify( report ).indexedMultipleTimes( indexRule, "propertyValue", 3 );
}
private IndexAccessors indexContaining( IndexRule indexRule, Map<Object, long[]> entries )
{
IndexAccessorStub reader = new IndexAccessorStub( entries );
IndexAccessors indexes = mock( IndexAccessors.class );
when( indexes.accessorFor( any( IndexRule.class ) ) )
.thenReturn( reader );
when (indexes.rules() )
.thenReturn( asList(indexRule) );
return indexes;
}
private PropertyReader nodeHasProperty( NodeRecord nodeRecord, String propertyValue )
{
PropertyReader propertyReader = mock( PropertyReader.class );
PropertyBlock propertyBlock = mock( PropertyBlock.class );
when( propertyBlock.getKeyIndexId() )
.thenReturn( propertyKeyId );
when( propertyReader.propertyBlocks( nodeRecord ) )
.thenReturn( asList( propertyBlock ) );
when( propertyReader.propertyValue( any( PropertyBlock.class ) ) )
.thenReturn( stringProperty( propertyKeyId, propertyValue ) );
return propertyReader;
}
private NodeRecord nodeWithLabels( long... labelIds )
{
NodeRecord nodeRecord = new NodeRecord( 0, false, 0, 0 );
NodeLabelsField.parseLabelsField( nodeRecord ).put( labelIds, null, null );
return nodeRecord;
}
@SuppressWarnings("unchecked")
private CheckerEngine<NodeRecord, ConsistencyReport.NodeConsistencyReport>
engineFor( ConsistencyReport.NodeConsistencyReport report )
{
CheckerEngine engine = mock( CheckerEngine.class );
when( engine.report() ).thenReturn( report );
return engine;
}
private static class IndexAccessorStub implements IndexAccessor
{
private final Map<Object, long[]> entries;
private IndexAccessorStub( Map<Object, long[]> entries )
{
this.entries = entries;
}
@Override
public IndexReader newReader()
{
return new IndexReader()
{
@Override
public PrimitiveLongIterator seek( Object value )
{
if ( entries.containsKey( value ) )
{
return PrimitiveLongCollections.iterator( entries.get( value ) );
}
return emptyIterator();
}
@Override
public PrimitiveLongIterator rangeSeekByNumberInclusive( Number lower, Number upper )
{
throw new UnsupportedOperationException();
}
@Override
public PrimitiveLongIterator rangeSeekByString( String lower, boolean includeLower,
String upper, boolean includeUpper )
{
throw new UnsupportedOperationException();
}
@Override
public PrimitiveLongIterator rangeSeekByPrefix( String prefix )
{
throw new UnsupportedOperationException();
}
@Override
public PrimitiveLongIterator scan()
{
List<Long> ids = new ArrayList<>();
for ( long[] longs : entries.values() )
{
for ( long id : longs )
{
ids.add( id );
}
}
return PrimitiveLongCollections.toPrimitiveIterator( ids.iterator() );
}
@Override
public int countIndexedNodes( long nodeId, Object propertyValue )
{
long[] candidates = entries.get( propertyValue );
if ( candidates == null )
{
return 0;
}
int count = 0;
for ( int i = 0; i < candidates.length; i++ )
{
if ( candidates[i] == nodeId )
{
count++;
}
}
return count;
}
@Override
public IndexSampler createSampler()
{
throw new UnsupportedOperationException();
}
@Override
public void verifyDeferredConstraints( Object accessor, int propertyKeyId )
throws Exception
{
}
@Override
public void verifyDeferredConstraints( Object accessor, int propertyKeyId,
List<Object> updatedPropertyValues ) throws Exception
{
}
@Override
public void close()
{
}
};
}
@Override
public void close() throws IOException
{
}
@Override
public void drop() throws IOException
{
throw new UnsupportedOperationException();
}
@Override
public IndexUpdater newUpdater( IndexUpdateMode mode )
{
throw new UnsupportedOperationException();
}
@Override
public void force() throws IOException
{
throw new UnsupportedOperationException();
}
@Override
public void flush() throws IOException
{
throw new UnsupportedOperationException();
}
@Override
public BoundedIterable<Long> newAllEntriesReader()
{
throw new UnsupportedOperationException();
}
@Override
public ResourceIterator<File> snapshotFiles() throws IOException
{
throw new UnsupportedOperationException();
}
}
}