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CheckTxLogsTest.java
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CheckTxLogsTest.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 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.tools.txlog;
import org.junit.Rule;
import org.junit.Test;
import org.mockito.Mockito;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.function.Function;
import org.neo4j.function.ThrowingConsumer;
import org.neo4j.io.fs.FileSystemAbstraction;
import org.neo4j.io.fs.StoreChannel;
import org.neo4j.kernel.impl.store.PropertyStore;
import org.neo4j.kernel.impl.store.PropertyType;
import org.neo4j.kernel.impl.store.record.NeoStoreRecord;
import org.neo4j.kernel.impl.store.record.NodeRecord;
import org.neo4j.kernel.impl.store.record.PropertyBlock;
import org.neo4j.kernel.impl.store.record.PropertyRecord;
import org.neo4j.kernel.impl.store.record.RelationshipGroupRecord;
import org.neo4j.kernel.impl.store.record.RelationshipRecord;
import org.neo4j.kernel.impl.transaction.command.Command;
import org.neo4j.kernel.impl.transaction.log.LogEntryCursor;
import org.neo4j.kernel.impl.transaction.log.LogPosition;
import org.neo4j.kernel.impl.transaction.log.LogVersionedStoreChannel;
import org.neo4j.kernel.impl.transaction.log.PhysicalFlushableChannel;
import org.neo4j.kernel.impl.transaction.log.PhysicalLogFile;
import org.neo4j.kernel.impl.transaction.log.PhysicalLogFiles;
import org.neo4j.kernel.impl.transaction.log.PhysicalLogVersionedStoreChannel;
import org.neo4j.kernel.impl.transaction.log.PhysicalTransactionRepresentation;
import org.neo4j.kernel.impl.transaction.log.TransactionLogWriter;
import org.neo4j.kernel.impl.transaction.log.entry.LogEntryWriter;
import org.neo4j.kernel.impl.transaction.log.entry.LogHeaderWriter;
import org.neo4j.test.rule.SuppressOutput;
import org.neo4j.test.rule.fs.EphemeralFileSystemRule;
import static org.hamcrest.Matchers.lessThan;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.verify;
import static org.neo4j.kernel.impl.transaction.log.entry.LogHeader.LOG_HEADER_SIZE;
import static org.neo4j.tools.txlog.checktypes.CheckTypes.CHECK_TYPES;
import static org.neo4j.tools.txlog.checktypes.CheckTypes.NEO_STORE;
import static org.neo4j.tools.txlog.checktypes.CheckTypes.NODE;
import static org.neo4j.tools.txlog.checktypes.CheckTypes.PROPERTY;
import static org.neo4j.tools.txlog.checktypes.CheckTypes.RELATIONSHIP;
import static org.neo4j.tools.txlog.checktypes.CheckTypes.RELATIONSHIP_GROUP;
public class CheckTxLogsTest
{
@Rule
public final SuppressOutput mute = SuppressOutput.suppressAll();
@Rule
public final EphemeralFileSystemRule fsRule = new EphemeralFileSystemRule();
private final File storeDirectory = new File( "db" );
@Test
public void shouldReportNoInconsistenciesFromValidLog() throws Exception
{
// Given
File log = logFile( 1 );
writeTxContent( log, 1,
new Command.NodeCommand(
new NodeRecord( 42, false, false, -1, -1, 1 ),
new NodeRecord( 42, true, false, 42, -1, 1 )
),
new Command.PropertyCommand(
propertyRecord( 5, false, -1, -1 ),
propertyRecord( 5, true, -1, -1, 777 )
),
new Command.NodeCommand(
new NodeRecord( 1, true, true, 2, -1, 1 ),
new NodeRecord( 1, true, false, -1, -1, 1 )
)
);
writeTxContent( log, 2,
new Command.NodeCommand(
new NodeRecord( 2, false, false, -1, -1, 1 ),
new NodeRecord( 2, true, false, -1, -1, 1 )
),
new Command.NodeCommand(
new NodeRecord( 42, true, false, 42, -1, 1 ),
new NodeRecord( 42, true, false, 24, 5, 1 )
)
);
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// When
boolean success = checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, NODE );
// Then
assertTrue( success );
assertEquals( 0, handler.recordInconsistencies.size() );
}
@Test
public void shouldReportNodeInconsistenciesFromSingleLog() throws IOException
{
// Given
File log = logFile( 1 );
writeTxContent( log, 0,
new Command.NodeCommand(
new NodeRecord( 42, false, false, -1, -1, 1 ),
new NodeRecord( 42, true, false, 42, -1, 1 )
),
new Command.PropertyCommand(
propertyRecord( 5, false, -1, -1 ),
propertyRecord( 5, true, -1, -1, 777 )
),
new Command.NodeCommand(
new NodeRecord( 1, true, true, 2, -1, 1 ),
new NodeRecord( 1, true, false, -1, -1, 1 )
)
);
writeTxContent( log, 0,
new Command.NodeCommand(
new NodeRecord( 2, false, false, -1, -1, 1 ),
new NodeRecord( 2, true, false, -1, -1, 1 )
),
new Command.NodeCommand(
new NodeRecord( 42, true, false, 24, -1, 1 ),
new NodeRecord( 42, true, false, 24, 5, 1 )
)
);
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// When
boolean success = checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, NODE );
// Then
assertFalse( success );
assertEquals( 1, handler.recordInconsistencies.size() );
NodeRecord seenRecord = (NodeRecord) handler.recordInconsistencies.get( 0 ).committed.record();
NodeRecord currentRecord = (NodeRecord) handler.recordInconsistencies.get( 0 ).current.record();
assertEquals( 42, seenRecord.getId() );
assertEquals( 42, seenRecord.getNextRel() );
assertEquals( 42, currentRecord.getId() );
assertEquals( 24, currentRecord.getNextRel() );
}
@Test
public void shouldReportTransactionIdAndInconsistencyCount() throws IOException
{
// Given
File log = logFile( 1 );
writeTxContent( log, 0,
new Command.NodeCommand(
new NodeRecord( 42, false, false, -1, -1, 1 ),
new NodeRecord( 42, true, false, 42, -1, 1 )
),
new Command.PropertyCommand(
propertyRecord( 5, false, -1, -1 ),
propertyRecord( 5, true, -1, -1, 777 )
),
new Command.NodeCommand(
new NodeRecord( 1, true, true, 2, -1, 1 ),
new NodeRecord( 1, true, false, -1, -1, 1 )
),
new Command.NodeCommand(
new NodeRecord( 5, true, true, 2, -1, 1 ),
new NodeRecord( 5, true, false, -1, -1, 1 )
)
);
writeTxContent( log, 1,
new Command.NodeCommand(
new NodeRecord( 2, false, false, -1, -1, 1 ),
new NodeRecord( 2, true, false, -1, -1, 1 )
),
new Command.NodeCommand(
new NodeRecord( 5, true, true, 2, -1, 1 ), // inconsistent
new NodeRecord( 5, true, false, -1, -1, 1 )
),
new Command.NodeCommand(
new NodeRecord( 1, true, false, -1, -1, 1 ),
new NodeRecord( 1, true, true, 2, 1, 1 )
),
new Command.NodeCommand(
new NodeRecord( 42, true, false, 24, -1, 1 ), // inconsistent
new NodeRecord( 42, true, false, 24, 5, 1 )
)
);
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// When
checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, NODE );
// Then
assertEquals( 2, handler.recordInconsistencies.size() );
assertEquals( 0, handler.recordInconsistencies.get( 0 ).committed.txId() );
assertEquals( 1, handler.recordInconsistencies.get( 0 ).current.txId() );
assertEquals( 0, handler.recordInconsistencies.get( 1 ).committed.txId() );
assertEquals( 1, handler.recordInconsistencies.get( 1 ).current.txId() );
}
@Test
public void shouldReportNodeInconsistenciesFromDifferentLogs() throws IOException
{
// Given
File log1 = logFile( 1 );
File log2 = logFile( 2 );
File log3 = logFile( 3 );
writeTxContent( log1, 0,
new Command.NodeCommand(
new NodeRecord( 42, false, false, -1, -1, 1 ),
new NodeRecord( 42, true, false, 42, -1, 1 )
),
new Command.PropertyCommand(
propertyRecord( 5, true, -1, -1, 777 ),
propertyRecord( 5, true, -1, -1, 777, 888 )
),
new Command.NodeCommand(
new NodeRecord( 1, true, true, 2, -1, 1 ),
new NodeRecord( 1, true, false, -1, -1, 1 )
)
);
writeTxContent( log2, 0,
new Command.NodeCommand(
new NodeRecord( 2, false, false, -1, -1, 1 ),
new NodeRecord( 2, true, false, -1, -1, 1 )
)
);
writeTxContent( log3, 0,
new Command.NodeCommand(
new NodeRecord( 42, true, true, 42, -1, 1 ),
new NodeRecord( 42, true, true, 42, 10, 1 )
),
new Command.NodeCommand(
new NodeRecord( 2, true, false, -1, -1, 5 ),
new NodeRecord( 2, false, false, -1, -1, 5 )
)
);
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// When
boolean success = checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, NODE );
// Then
assertFalse( success );
assertEquals( 2, handler.recordInconsistencies.size() );
NodeRecord seenRecord1 = (NodeRecord) handler.recordInconsistencies.get( 0 ).committed.record();
NodeRecord currentRecord1 = (NodeRecord) handler.recordInconsistencies.get( 0 ).current.record();
assertEquals( 42, seenRecord1.getId() );
assertFalse( seenRecord1.isDense() );
assertEquals( 42, currentRecord1.getId() );
assertTrue( currentRecord1.isDense() );
NodeRecord seenRecord2 = (NodeRecord) handler.recordInconsistencies.get( 1 ).committed.record();
NodeRecord currentRecord2 = (NodeRecord) handler.recordInconsistencies.get( 1 ).current.record();
assertEquals( 2, seenRecord2.getId() );
assertEquals( 1, seenRecord2.getLabelField() );
assertEquals( 2, currentRecord2.getId() );
assertEquals( 5, currentRecord2.getLabelField() );
}
@Test
public void shouldReportPropertyInconsistenciesFromSingleLog() throws IOException
{
// Given
File log = logFile( 1 );
writeTxContent( log, 0,
new Command.PropertyCommand(
propertyRecord( 42, false, -1, -1 ),
propertyRecord( 42, true, -1, -1, 10 )
),
new Command.PropertyCommand(
propertyRecord( 42, true, -1, -1, 10 ),
propertyRecord( 42, true, 24, -1, 10 )
)
);
writeTxContent( log, 0,
new Command.NodeCommand(
new NodeRecord( 2, false, false, -1, -1, 1 ),
new NodeRecord( 2, true, false, -1, -1, 1 )
),
new Command.PropertyCommand(
propertyRecord( 42, true, -1, -1, 10 ),
propertyRecord( 42, true, -1, -1, 10, 20 )
)
);
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// When
boolean success = checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, PROPERTY );
// Then
assertFalse( success );
assertEquals( 1, handler.recordInconsistencies.size() );
PropertyRecord seenRecord = (PropertyRecord) handler.recordInconsistencies.get( 0 ).committed.record();
PropertyRecord currentRecord = (PropertyRecord) handler.recordInconsistencies.get( 0 ).current.record();
assertEquals( 42, seenRecord.getId() );
assertEquals( 24, seenRecord.getPrevProp() );
assertEquals( 42, currentRecord.getId() );
assertEquals( -1, currentRecord.getPrevProp() );
}
@Test
public void shouldReportPropertyInconsistenciesFromDifferentLogs() throws IOException
{
// Given
File log1 = logFile( 1 );
File log2 = logFile( 2 );
File log3 = logFile( 3 );
writeTxContent( log1, 0,
new Command.NodeCommand(
new NodeRecord( 42, false, false, -1, -1, 1 ),
new NodeRecord( 42, true, false, 42, -1, 1 )
),
new Command.PropertyCommand(
propertyRecord( 5, true, -1, -1, 777 ),
propertyRecord( 5, true, -1, -1, 777 )
),
new Command.NodeCommand(
new NodeRecord( 1, true, true, 2, -1, 1 ),
new NodeRecord( 1, true, false, -1, -1, 1 )
)
);
writeTxContent( log2, 0,
new Command.PropertyCommand(
propertyRecord( 24, false, -1, -1 ),
propertyRecord( 24, true, -1, -1, 777 )
)
);
writeTxContent( log3, 0,
new Command.PropertyCommand(
propertyRecord( 24, false, -1, -1 ),
propertyRecord( 24, true, -1, -1, 777 )
),
new Command.NodeCommand(
new NodeRecord( 42, true, true, 42, -1, 1 ),
new NodeRecord( 42, true, true, 42, 10, 1 )
),
new Command.PropertyCommand(
propertyRecord( 5, true, -1, -1, 777, 888 ),
propertyRecord( 5, true, -1, 9, 777, 888, 999 )
)
);
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// When
boolean success = checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, PROPERTY );
// Then
assertFalse( success );
assertEquals( 2, handler.recordInconsistencies.size() );
RecordInconsistency inconsistency1 = handler.recordInconsistencies.get( 0 );
PropertyRecord seenRecord1 = (PropertyRecord) inconsistency1.committed.record();
PropertyRecord currentRecord1 = (PropertyRecord) inconsistency1.current.record();
assertEquals( 24, seenRecord1.getId() );
assertTrue( seenRecord1.inUse() );
assertEquals( 24, currentRecord1.getId() );
assertFalse( currentRecord1.inUse() );
assertEquals( 2, inconsistency1.committed.logVersion() );
assertEquals( 3, inconsistency1.current.logVersion() );
RecordInconsistency inconsistency2 = handler.recordInconsistencies.get( 1 );
PropertyRecord seenRecord2 = (PropertyRecord) inconsistency2.committed.record();
PropertyRecord currentRecord2 = (PropertyRecord) inconsistency2.current.record();
assertEquals( 5, seenRecord2.getId() );
assertEquals( 777, seenRecord2.getPropertyBlock( 0 ).getSingleValueInt() );
assertEquals( 5, currentRecord2.getId() );
assertEquals( 777, currentRecord2.getPropertyBlock( 0 ).getSingleValueInt() );
assertEquals( 888, currentRecord2.getPropertyBlock( 1 ).getSingleValueInt() );
assertEquals( 1, inconsistency2.committed.logVersion() );
assertEquals( 3, inconsistency2.current.logVersion() );
}
@Test
public void shouldReportRelationshipInconsistenciesFromSingleLog() throws IOException
{
// Given
File log = logFile( 1 );
writeTxContent( log, 0,
new Command.RelationshipCommand(
new RelationshipRecord( 42, false, -1, -1, -1, -1, -1, -1, -1, false, false ),
new RelationshipRecord( 42, true, 1, 2, 3, 4, 5, 6, 7, true, true )
),
new Command.PropertyCommand(
propertyRecord( 5, false, -1, -1 ),
propertyRecord( 5, true, -1, -1, 777 )
),
new Command.RelationshipCommand(
new RelationshipRecord( 21, true, 1, 2, 3, 4, 5, 6, 7, true, true ),
new RelationshipRecord( 21, false, -1, -1, -1, -1, -1, -1, -1, false, false )
)
);
writeTxContent( log, 0,
new Command.RelationshipCommand(
new RelationshipRecord( 53, true, 1, 2, 3, 4, 5, 6, 7, true, true ),
new RelationshipRecord( 53, true, 1, 2, 30, 4, 14, 6, 7, true, true )
),
new Command.RelationshipCommand(
new RelationshipRecord( 42, true, 1, 2, 3, 9, 5, 6, 7, true, true ),
new RelationshipRecord( 42, true, 1, 2, 3, 4, 5, 6, 7, true, true )
)
);
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// When
checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, RELATIONSHIP );
// Then
assertEquals( 1, handler.recordInconsistencies.size() );
RelationshipRecord seenRecord = (RelationshipRecord) handler.recordInconsistencies.get( 0 ).committed.record();
RelationshipRecord currentRecord = (RelationshipRecord) handler.recordInconsistencies.get( 0 ).current.record();
assertEquals( 42, seenRecord.getId() );
assertEquals( 4, seenRecord.getFirstPrevRel() );
assertEquals( 42, currentRecord.getId() );
assertEquals( 9, currentRecord.getFirstPrevRel() );
}
@Test
public void shouldReportRelationshipInconsistenciesFromDifferentLogs() throws IOException
{
// Given
File log1 = logFile( 1 );
File log2 = logFile( 2 );
File log3 = logFile( 3 );
writeTxContent( log1, 0,
new Command.RelationshipCommand(
new RelationshipRecord( 42, false, -1, -1, -1, -1, -1, -1, -1, false, false ),
new RelationshipRecord( 42, true, 1, 2, 3, 4, 5, 6, 7, true, true )
),
new Command.PropertyCommand(
propertyRecord( 5, false, -1, -1 ),
propertyRecord( 5, true, -1, -1, 777 )
),
new Command.RelationshipCommand(
new RelationshipRecord( 21, true, 1, 2, 3, 4, 5, 6, 7, true, true ),
new RelationshipRecord( 21, false, -1, -1, -1, -1, -1, -1, -1, false, false )
)
);
writeTxContent( log2, 0,
new Command.RelationshipCommand(
new RelationshipRecord( 42, true, 1, 2, 3, 9, 5, 6, 7, true, true ),
new RelationshipRecord( 42, true, 1, 2, 3, 4, 5, 6, 7, true, true )
)
);
writeTxContent( log3, 0,
new Command.RelationshipCommand(
new RelationshipRecord( 53, true, 1, 2, 3, 4, 5, 6, 7, true, true ),
new RelationshipRecord( 53, true, 1, 2, 30, 4, 14, 6, 7, true, true )
),
new Command.RelationshipCommand(
new RelationshipRecord( 42, true, 1, 2, 3, 4, 5, 6, 7, false, true ),
new RelationshipRecord( 42, true, 1, 2, 3, 4, 5, 6, 7, false, true )
)
);
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// When
checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, RELATIONSHIP );
// Then
assertEquals( 2, handler.recordInconsistencies.size() );
RelationshipRecord seenRecord1 = (RelationshipRecord) handler.recordInconsistencies.get( 0 ).committed.record();
RelationshipRecord currentRecord1 =
(RelationshipRecord) handler.recordInconsistencies.get( 0 ).current.record();
assertEquals( 42, seenRecord1.getId() );
assertEquals( 4, seenRecord1.getFirstPrevRel() );
assertEquals( 42, currentRecord1.getId() );
assertEquals( 9, currentRecord1.getFirstPrevRel() );
RelationshipRecord seenRecord2 = (RelationshipRecord) handler.recordInconsistencies.get( 1 ).committed.record();
RelationshipRecord currentRecord2 =
(RelationshipRecord) handler.recordInconsistencies.get( 1 ).current.record();
assertEquals( 42, seenRecord2.getId() );
assertTrue( seenRecord2.isFirstInFirstChain() );
assertEquals( 42, currentRecord2.getId() );
assertFalse( currentRecord2.isFirstInFirstChain() );
}
@Test
public void shouldReportRelationshipGroupInconsistenciesFromSingleLog() throws IOException
{
// Given
File log = logFile( 1 );
writeTxContent( log, 0,
new Command.RelationshipGroupCommand(
new RelationshipGroupRecord( 42, -1, -1, -1, -1, -1, -1, false ),
new RelationshipGroupRecord( 42, 1, 2, 3, 4, 5, 6, true )
),
new Command.PropertyCommand(
propertyRecord( 5, false, -1, -1 ),
propertyRecord( 5, true, -1, -1, 777 )
),
new Command.RelationshipGroupCommand(
new RelationshipGroupRecord( 21, 1, 2, 3, 4, 5, 7, true ),
new RelationshipGroupRecord( 21, -1, -1, -1, -1, -1, -1, false )
)
);
writeTxContent( log, 0,
new Command.RelationshipGroupCommand(
new RelationshipGroupRecord( 53, 1, 2, 3, 4, 5, 6, true ),
new RelationshipGroupRecord( 53, 1, 2, 30, 4, 14, 6, true )
),
new Command.RelationshipGroupCommand(
new RelationshipGroupRecord( 42, 1, 2, 3, 9, 5, 6, true ),
new RelationshipGroupRecord( 42, 1, 2, 3, 4, 5, 6, true )
)
);
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// When
checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, RELATIONSHIP_GROUP );
// Then
assertEquals( 1, handler.recordInconsistencies.size() );
RelationshipGroupRecord seenRecord =
(RelationshipGroupRecord) handler.recordInconsistencies.get( 0 ).committed.record();
RelationshipGroupRecord currentRecord =
(RelationshipGroupRecord) handler.recordInconsistencies.get( 0 ).current.record();
assertEquals( 42, seenRecord.getId() );
assertEquals( 4, seenRecord.getFirstLoop() );
assertEquals( 42, currentRecord.getId() );
assertEquals( 9, currentRecord.getFirstLoop() );
}
@Test
public void shouldReportRelationshipGroupInconsistenciesFromDifferentLogs() throws IOException
{
// Given
File log1 = logFile( 1 );
File log2 = logFile( 2 );
File log3 = logFile( 3 );
writeTxContent( log1, 0,
new Command.RelationshipGroupCommand(
new RelationshipGroupRecord( 42, -1, -1, -1, -1, -1, -1, false ),
new RelationshipGroupRecord( 42, 1, 2, 3, 4, 5, 6, true )
),
new Command.PropertyCommand(
propertyRecord( 5, false, -1, -1 ),
propertyRecord( 5, true, -1, -1, 777 )
),
new Command.RelationshipGroupCommand(
new RelationshipGroupRecord( 21, 1, 2, 3, 4, 5, 6, true ),
new RelationshipGroupRecord( 21, -1, -1, -1, -1, -1, -1, false )
)
);
writeTxContent( log2, 0,
new Command.RelationshipGroupCommand(
new RelationshipGroupRecord( 42, 1, 2, 3, 9, 5, 6, true ),
new RelationshipGroupRecord( 42, 1, 2, 3, 4, 5, 6, true )
)
);
writeTxContent( log3, 0,
new Command.RelationshipGroupCommand(
new RelationshipGroupRecord( 53, 1, 2, 3, 4, 5, 6, true ),
new RelationshipGroupRecord( 53, 1, 2, 30, 4, 14, 6, true )
),
new Command.RelationshipGroupCommand(
new RelationshipGroupRecord( 42, 1, 2, 3, 4, 5, 6, false ),
new RelationshipGroupRecord( 42, 1, 2, 3, 4, 5, 6, false )
)
);
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// When
checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, RELATIONSHIP_GROUP );
// Then
assertEquals( 2, handler.recordInconsistencies.size() );
RelationshipGroupRecord seenRecord1 =
(RelationshipGroupRecord) handler.recordInconsistencies.get( 0 ).committed.record();
RelationshipGroupRecord currentRecord1 =
(RelationshipGroupRecord) handler.recordInconsistencies.get( 0 ).current.record();
assertEquals( 42, seenRecord1.getId() );
assertEquals( 4, seenRecord1.getFirstLoop() );
assertEquals( 42, currentRecord1.getId() );
assertEquals( 9, currentRecord1.getFirstLoop() );
RelationshipGroupRecord seenRecord2 =
(RelationshipGroupRecord) handler.recordInconsistencies.get( 1 ).committed.record();
RelationshipGroupRecord currentRecord2 =
(RelationshipGroupRecord) handler.recordInconsistencies.get( 1 ).current.record();
assertEquals( 42, seenRecord2.getId() );
assertTrue( seenRecord2.inUse() );
assertEquals( 42, currentRecord2.getId() );
assertFalse( currentRecord2.inUse() );
}
@Test
public void shouldReportNeoStoreInconsistenciesFromSingleLog() throws IOException
{
// Given
File log = logFile( 1 );
writeTxContent( log, 0,
new Command.NeoStoreCommand(
new NeoStoreRecord(),
createNeoStoreRecord( 42 )
),
new Command.PropertyCommand(
propertyRecord( 5, false, -1, -1 ),
propertyRecord( 5, true, -1, -1, 777 )
),
new Command.NeoStoreCommand(
createNeoStoreRecord( 42 ),
createNeoStoreRecord( 21 )
)
);
writeTxContent( log, 0,
new Command.NeoStoreCommand(
createNeoStoreRecord( 42 ),
createNeoStoreRecord( 33 )
)
);
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// When
checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, NEO_STORE );
// Then
assertEquals( 1, handler.recordInconsistencies.size() );
NeoStoreRecord seenRecord = (NeoStoreRecord) handler.recordInconsistencies.get( 0 ).committed.record();
NeoStoreRecord currentRecord = (NeoStoreRecord) handler.recordInconsistencies.get( 0 ).current.record();
assertEquals( 21, seenRecord.getNextProp() );
assertEquals( 42, currentRecord.getNextProp() );
}
@Test
public void shouldReportNeoStoreInconsistenciesFromDifferentLogs() throws IOException
{
// Given
File log1 = logFile( 1 );
File log2 = logFile( 2 );
File log3 = logFile( 3 );
writeTxContent( log1, 0,
new Command.NeoStoreCommand(
new NeoStoreRecord(),
createNeoStoreRecord( 42 )
),
new Command.PropertyCommand(
propertyRecord( 5, false, -1, -1 ),
propertyRecord( 5, true, -1, -1, 777 )
),
new Command.NeoStoreCommand(
createNeoStoreRecord( 42 ),
createNeoStoreRecord( 21 )
)
);
writeTxContent( log2, 0,
new Command.NeoStoreCommand(
createNeoStoreRecord( 12 ),
createNeoStoreRecord( 21 )
)
);
writeTxContent( log3, 0,
new Command.NeoStoreCommand(
createNeoStoreRecord( 13 ),
createNeoStoreRecord( 21 )
)
);
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// When
checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, NEO_STORE );
// Then
assertEquals( 2, handler.recordInconsistencies.size() );
NeoStoreRecord seenRecord1 = (NeoStoreRecord) handler.recordInconsistencies.get( 0 ).committed.record();
NeoStoreRecord currentRecord1 = (NeoStoreRecord) handler.recordInconsistencies.get( 0 ).current.record();
assertEquals( 21, seenRecord1.getNextProp() );
assertEquals( 12, currentRecord1.getNextProp() );
NeoStoreRecord seenRecord2 = (NeoStoreRecord) handler.recordInconsistencies.get( 1 ).committed.record();
NeoStoreRecord currentRecord2 = (NeoStoreRecord) handler.recordInconsistencies.get( 1 ).current.record();
assertEquals( 21, seenRecord2.getNextProp() );
assertEquals( 13, currentRecord2.getNextProp() );
}
@Test
public void shouldDetectAnInconsistentCheckPointPointingToALogFileGreaterThanMaxLogVersion() throws Exception
{
// given
File log = logFile( 1 );
writeCheckPoint( log, 2, LOG_HEADER_SIZE );
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// when
checker.validateCheckPoints( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler );
// then
assertEquals( 1, handler.checkPointInconsistencies.size() );
assertEquals( 1, handler.checkPointInconsistencies.get( 0 ).logVersion );
assertEquals( new LogPosition( 2, LOG_HEADER_SIZE ), handler.checkPointInconsistencies.get( 0 ).logPosition );
assertThat( handler.checkPointInconsistencies.get( 0 ).size, lessThan( 0L ) );
}
@Test
public void shouldDetectAnInconsistentCheckPointPointingToAByteOffsetNotInTheFile() throws Exception
{
// given
ensureLogExists( logFile( 1 ) );
writeCheckPoint( logFile( 2 ), 1, 42 );
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// when
checker.validateCheckPoints( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler );
// then
assertEquals( 1, handler.checkPointInconsistencies.size() );
assertEquals( 2, handler.checkPointInconsistencies.get( 0 ).logVersion );
assertEquals( new LogPosition( 1, 42 ), handler.checkPointInconsistencies.get( 0 ).logPosition );
assertEquals( LOG_HEADER_SIZE, handler.checkPointInconsistencies.get( 0 ).size );
}
@Test
public void shouldNotReportInconsistencyIfTheCheckPointAreValidOrTheyReferToPrunedLogs() throws Exception
{
// given
writeCheckPoint( logFile( 1 ), 0, LOG_HEADER_SIZE );
writeCheckPoint( logFile( 2 ), 1, LOG_HEADER_SIZE );
writeCheckPoint( logFile( 3 ), 3, LOG_HEADER_SIZE );
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// when
checker.validateCheckPoints( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler );
// then
assertTrue( handler.checkPointInconsistencies.isEmpty() );
}
@Test
public void shouldReportAnInconsistencyIfTxIdSequenceIsNotStrictlyIncreasing() throws Exception
{
// given
Function<Long, Command.NodeCommand> newNodeCommandFunction =
( i ) -> new Command.NodeCommand( new NodeRecord( i, false, false, -1, -1, -1 ),
new NodeRecord( i, true, false, -1, -1, -1 ) );
writeTxContent( logFile( 1 ), 40L, newNodeCommandFunction.apply( 1L ) );
writeTxContent( logFile( 1 ), 41L, newNodeCommandFunction.apply( 2L ) );
writeTxContent( logFile( 1 ), 42L, newNodeCommandFunction.apply( 3L ) );
writeTxContent( logFile( 2 ), 42L, newNodeCommandFunction.apply( 4L ) );
writeTxContent( logFile( 2 ), 43L, newNodeCommandFunction.apply( 5L ) );
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// when
checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, CHECK_TYPES );
// then
assertEquals( 1, handler.txIdSequenceInconsistencies.size() );
assertEquals( 42, handler.txIdSequenceInconsistencies.get( 0 ).lastSeenTxId );
assertEquals( 42, handler.txIdSequenceInconsistencies.get( 0 ).currentTxId );
}
@Test
public void shouldReportAnInconsistencyIfTxIdSequenceHasGaps() throws Exception
{
// given
Function<Long, Command.NodeCommand> newNodeCommandFunction =
( i ) -> new Command.NodeCommand( new NodeRecord( i, false, false, -1, -1, -1 ),
new NodeRecord( i, true, false, -1, -1, -1 ) );
writeTxContent( logFile( 1 ), 40L, newNodeCommandFunction.apply( 1L ) );
writeTxContent( logFile( 1 ), 41L, newNodeCommandFunction.apply( 2L ) );
writeTxContent( logFile( 1 ), 42L, newNodeCommandFunction.apply( 3L ) );
writeTxContent( logFile( 2 ), 44L, newNodeCommandFunction.apply( 4L ) );
writeTxContent( logFile( 2 ), 45L, newNodeCommandFunction.apply( 5L ) );
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// when
checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, CHECK_TYPES );
// then
System.out.println( handler.txIdSequenceInconsistencies );
assertEquals( 1, handler.txIdSequenceInconsistencies.size() );
assertEquals( 42, handler.txIdSequenceInconsistencies.get( 0 ).lastSeenTxId );
assertEquals( 44, handler.txIdSequenceInconsistencies.get( 0 ).currentTxId );
}
@Test
public void shouldReportNoInconsistenciesIfTxIdSequenceIsStriclyIncreasingAndHasNoGaps() throws Exception
{
// given
Function<Long, Command.NodeCommand> newNodeCommandFunction =
( i ) -> new Command.NodeCommand( new NodeRecord( i, false, false, -1, -1, -1 ),
new NodeRecord( i, true, false, -1, -1, -1 ) );
writeTxContent( logFile( 1 ), 40L, newNodeCommandFunction.apply( 1L ) );
writeTxContent( logFile( 1 ), 41L, newNodeCommandFunction.apply( 2L ) );
writeTxContent( logFile( 1 ), 42L, newNodeCommandFunction.apply( 3L ) );
writeTxContent( logFile( 2 ), 43L, newNodeCommandFunction.apply( 4L ) );
writeTxContent( logFile( 2 ), 44L, newNodeCommandFunction.apply( 5L ) );
writeTxContent( logFile( 2 ), 45L, newNodeCommandFunction.apply( 6L ) );
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
CheckTxLogs checker = new CheckTxLogs( System.out, fsRule.get() );
// when
checker.scan( new PhysicalLogFiles( storeDirectory, fsRule.get() ), handler, CHECK_TYPES );
// then
assertTrue( handler.txIdSequenceInconsistencies.isEmpty() );
}
@Test
public void closeLogEntryCursorAfterValidation() throws IOException
{
ensureLogExists( logFile( 1 ) );
writeCheckPoint( logFile( 2 ), 1, 42 );
LogEntryCursor entryCursor = Mockito.mock( LogEntryCursor.class );
CheckTxLogsWithCustomLogEntryCursor checkTxLogs =
new CheckTxLogsWithCustomLogEntryCursor( System.out, fsRule.get(), entryCursor );
CapturingInconsistenciesHandler handler = new CapturingInconsistenciesHandler();
PhysicalLogFiles logFiles = new PhysicalLogFiles( storeDirectory, fsRule.get() );
boolean logsValidity = checkTxLogs.validateCheckPoints( logFiles, handler );
assertTrue("empty logs should be valid", logsValidity);
verify( entryCursor ).close();
}
private File logFile( long version )
{
fsRule.get().mkdirs( storeDirectory );
return new File( storeDirectory,
PhysicalLogFile.DEFAULT_NAME + PhysicalLogFile.DEFAULT_VERSION_SUFFIX + version );
}
private static PropertyRecord propertyRecord( long id, boolean inUse, long prevProp, long nextProp, long... blocks )
{
PropertyRecord record = new PropertyRecord( id );
record.setInUse( inUse );
record.setPrevProp( prevProp );
record.setNextProp( nextProp );
for ( int i = 0; i < blocks.length; i++ )
{
long blockValue = blocks[i];
PropertyBlock block = new PropertyBlock();
long value = PropertyStore.singleBlockLongValue( i, PropertyType.INT, blockValue );
block.setSingleBlock( value );
record.addPropertyBlock( block );
}
return record;
}
private NeoStoreRecord createNeoStoreRecord( int nextProp )
{
NeoStoreRecord neoStoreRecord = new NeoStoreRecord();
neoStoreRecord.setNextProp( nextProp );
return neoStoreRecord;
}
private void writeTxContent( File log, long txId, Command... commands ) throws IOException
{
PhysicalTransactionRepresentation tx = new PhysicalTransactionRepresentation( Arrays.asList( commands ) );
tx.setHeader( new byte[0], 0, 0, 0, 0, 0, 0 );
writeContent( log, ( txWriter ) -> txWriter.append( tx, txId ) );
}
private void writeCheckPoint( File log, long logVersion, long byteOffset ) throws IOException
{
LogPosition logPosition = new LogPosition( logVersion, byteOffset );
writeContent( log, ( txWriter ) -> txWriter.checkPoint( logPosition ) );
}
private void writeContent( File log, ThrowingConsumer<TransactionLogWriter,IOException> consumer )
throws IOException
{
FileSystemAbstraction fs = ensureLogExists( log );
try ( StoreChannel channel = fs.open( log, "rw" );
LogVersionedStoreChannel versionedChannel = new PhysicalLogVersionedStoreChannel( channel, 0, (byte) 0 );
PhysicalFlushableChannel writableLogChannel = new PhysicalFlushableChannel( versionedChannel ) )
{
long offset = channel.size();
channel.position( offset );
consumer.accept( new TransactionLogWriter( new LogEntryWriter( writableLogChannel ) ) );
}
}
private FileSystemAbstraction ensureLogExists( File log ) throws IOException
{
FileSystemAbstraction fs = fsRule.get();
if ( !fs.fileExists( log ) )
{
LogHeaderWriter.writeLogHeader( fs, log, PhysicalLogFiles.getLogVersion( log ), 0 );
}
return fs;
}
private class CheckTxLogsWithCustomLogEntryCursor extends CheckTxLogs
{