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DynamicRecordCheckTest.java
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DynamicRecordCheckTest.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;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.junit.runners.Suite;
import org.neo4j.consistency.report.ConsistencyReport;
import org.neo4j.kernel.impl.store.RecordStore;
import org.neo4j.kernel.impl.store.SchemaStore;
import org.neo4j.kernel.impl.store.format.standard.DynamicRecordFormat;
import org.neo4j.kernel.impl.store.record.DynamicRecord;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;
import static org.neo4j.consistency.store.RecordAccessStub.SCHEMA_RECORD_TYPE;
@RunWith(Suite.class)
@Suite.SuiteClasses( {
DynamicRecordCheckTest.StringDynamicRecordCheckTest.class,
DynamicRecordCheckTest.ArrayDynamicRecordCheckTest.class,
DynamicRecordCheckTest.SchemaDynamicRecordCheckTest.class
} )
public abstract class DynamicRecordCheckTest
extends RecordCheckTestBase<DynamicRecord,ConsistencyReport.DynamicConsistencyReport,DynamicRecordCheck>
{
private final int blockSize;
private DynamicRecordCheckTest( DynamicRecordCheck check, int blockSize )
{
super( check, ConsistencyReport.DynamicConsistencyReport.class, new int[0] );
this.blockSize = blockSize;
}
@Test
public void shouldNotReportAnythingForRecordNotInUse() throws Exception
{
// given
DynamicRecord property = notInUse( record( 42 ) );
// when
ConsistencyReport.DynamicConsistencyReport report = check( property );
// then
verifyNoMoreInteractions( report );
}
@Test
public void shouldNotReportAnythingForRecordThatDoesNotReferenceOtherRecords() throws Exception
{
// given
DynamicRecord property = inUse( fill( record( 42 ), blockSize / 2 ) );
// when
ConsistencyReport.DynamicConsistencyReport report = check( property );
// then
verifyNoMoreInteractions( report );
}
@Test
public void shouldNotReportAnythingForRecordWithConsistentReferences() throws Exception
{
// given
DynamicRecord property = inUse( fill( record( 42 ) ) );
DynamicRecord next = add( inUse( fill( record( 7 ), blockSize / 2 ) ) );
property.setNextBlock( next.getId() );
// when
ConsistencyReport.DynamicConsistencyReport report = check( property );
// then
verifyNoMoreInteractions( report );
}
@Test
public void shouldReportNextRecordNotInUse() throws Exception
{
// given
DynamicRecord property = inUse( fill( record( 42 ) ) );
DynamicRecord next = add( notInUse( record( 7 ) ) );
property.setNextBlock( next.getId() );
// when
ConsistencyReport.DynamicConsistencyReport report = check( property );
// then
verify( report ).nextNotInUse( next );
verifyNoMoreInteractions( report );
}
@Test
public void shouldReportSelfReferentialNext() throws Exception
{
// given
DynamicRecord property = add( inUse( fill( record( 42 ) ) ) );
property.setNextBlock( property.getId() );
// when
ConsistencyReport.DynamicConsistencyReport report = check( property );
// then
verify( report ).selfReferentialNext();
verifyNoMoreInteractions( report );
}
@Test
public void shouldReportNonFullRecordWithNextReference() throws Exception
{
// given
DynamicRecord property = inUse( fill( record( 42 ), blockSize - 1 ) );
DynamicRecord next = add( inUse( fill( record( 7 ), blockSize / 2 ) ) );
property.setNextBlock( next.getId() );
// when
ConsistencyReport.DynamicConsistencyReport report = check( property );
// then
verify( report ).recordNotFullReferencesNext();
verifyNoMoreInteractions( report );
}
@Test
public void shouldReportInvalidDataLength() throws Exception
{
// given
DynamicRecord property = inUse( record( 42 ) );
property.setLength( -1 );
// when
ConsistencyReport.DynamicConsistencyReport report = check( property );
// then
verify( report ).invalidLength();
verifyNoMoreInteractions( report );
}
@Test
public void shouldReportEmptyRecord() throws Exception
{
// given
DynamicRecord property = inUse( record( 42 ) );
// when
ConsistencyReport.DynamicConsistencyReport report = check( property );
// then
verify( report ).emptyBlock();
verifyNoMoreInteractions( report );
}
@Test
public void shouldReportRecordWithEmptyNext() throws Exception
{
// given
DynamicRecord property = inUse( fill( record( 42 ) ) );
DynamicRecord next = add( inUse( record( 7 ) ) );
property.setNextBlock( next.getId() );
// when
ConsistencyReport.DynamicConsistencyReport report = check( property );
// then
verify( report ).emptyNextBlock( next );
verifyNoMoreInteractions( report );
}
// utilities
DynamicRecord fill( DynamicRecord record )
{
return fill( record, blockSize );
}
abstract DynamicRecord fill( DynamicRecord record, int size );
abstract DynamicRecord record( long id );
@RunWith(JUnit4.class)
public static class StringDynamicRecordCheckTest extends DynamicRecordCheckTest
{
public StringDynamicRecordCheckTest()
{
super( new DynamicRecordCheck( configureDynamicStore( 66 ), DynamicStore.STRING ), 66 );
}
@Override
DynamicRecord record( long id )
{
return string( new DynamicRecord( id ) );
}
@Override
DynamicRecord fill( DynamicRecord record, int size )
{
record.setLength( size );
return record;
}
}
@RunWith(JUnit4.class)
public static class ArrayDynamicRecordCheckTest extends DynamicRecordCheckTest
{
public ArrayDynamicRecordCheckTest()
{
super( new DynamicRecordCheck( configureDynamicStore( 66 ), DynamicStore.ARRAY ), 66 );
}
@Override
DynamicRecord record( long id )
{
return array( new DynamicRecord( id ) );
}
@Override
DynamicRecord fill( DynamicRecord record, int size )
{
record.setLength( size );
return record;
}
}
@RunWith(JUnit4.class)
public static class SchemaDynamicRecordCheckTest extends DynamicRecordCheckTest
{
public SchemaDynamicRecordCheckTest()
{
super( new DynamicRecordCheck( configureDynamicStore( SchemaStore.BLOCK_SIZE ), DynamicStore.SCHEMA ),
SchemaStore.BLOCK_SIZE );
}
@Override
DynamicRecord record( long id )
{
DynamicRecord result = new DynamicRecord( id );
result.setType( SCHEMA_RECORD_TYPE );
return result;
}
@Override
DynamicRecord fill( DynamicRecord record, int size )
{
record.setLength( size );
return record;
}
}
public static RecordStore<DynamicRecord> configureDynamicStore( int blockSize )
{
@SuppressWarnings( "unchecked" )
RecordStore<DynamicRecord> mock = mock( RecordStore.class );
when( mock.getRecordSize() ).thenReturn( blockSize + DynamicRecordFormat.RECORD_HEADER_SIZE );
when( mock.getRecordDataSize() ).thenReturn( blockSize );
return mock;
}
}