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IndexProviderCompatibilityTestSuite.java
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IndexProviderCompatibilityTestSuite.java
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/*
* Copyright (c) 2002-2018 "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.kernel.api.index;
import org.junit.Before;
import org.junit.Rule;
import org.junit.runner.RunWith;
import org.junit.runners.Suite;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.neo4j.function.ThrowingConsumer;
import org.neo4j.io.fs.FileSystemAbstraction;
import org.neo4j.io.pagecache.PageCache;
import org.neo4j.kernel.api.schema.index.IndexDescriptor;
import org.neo4j.test.rule.PageCacheAndDependenciesRule;
import org.neo4j.test.rule.fs.DefaultFileSystemRule;
import org.neo4j.test.runner.ParameterizedSuiteRunner;
import org.neo4j.values.storable.CoordinateReferenceSystem;
import org.neo4j.values.storable.DateValue;
import org.neo4j.values.storable.Value;
import org.neo4j.values.storable.Values;
@RunWith( ParameterizedSuiteRunner.class )
@Suite.SuiteClasses( {
SimpleIndexPopulatorCompatibility.General.class,
SimpleIndexPopulatorCompatibility.Unique.class,
CompositeIndexPopulatorCompatibility.General.class,
CompositeIndexPopulatorCompatibility.Unique.class,
SimpleIndexAccessorCompatibility.General.class,
SimpleIndexAccessorCompatibility.Unique.class,
CompositeIndexAccessorCompatibility.General.class,
CompositeIndexAccessorCompatibility.Unique.class,
UniqueConstraintCompatibility.class
} )
public abstract class IndexProviderCompatibilityTestSuite
{
protected abstract SchemaIndexProvider createIndexProvider( PageCache pageCache, FileSystemAbstraction fs, File graphDbDir );
public abstract Iterable<Value> getSupportedValues();
protected List<Value> commonValues = Arrays.asList( Values.of( "string1" ), Values.of( 42 ) );
protected List<Value> temporalValues = Arrays.asList( DateValue.epochDate( 2 ), DateValue.epochDate( 5 ) );
protected List<Value> spatialValues = Arrays.asList(
Values.pointValue( CoordinateReferenceSystem.Cartesian, 0, 0 ),
Values.pointValue( CoordinateReferenceSystem.WGS84, 12.78, 56.7 ) );
public abstract static class Compatibility
{
@Rule
public final PageCacheAndDependenciesRule pageCacheAndDependenciesRule;
protected File graphDbDir;
protected FileSystemAbstraction fs;
protected SchemaIndexProvider indexProvider;
protected IndexDescriptor descriptor;
final IndexProviderCompatibilityTestSuite testSuite;
final List<NodeAndValue> allValues;
@Before
public void setup()
{
fs = pageCacheAndDependenciesRule.fileSystem();
graphDbDir = pageCacheAndDependenciesRule.directory().graphDbDir();
PageCache pageCache = pageCacheAndDependenciesRule.pageCache();
indexProvider = testSuite.createIndexProvider( pageCache, fs, graphDbDir );
}
public Compatibility( IndexProviderCompatibilityTestSuite testSuite, IndexDescriptor descriptor )
{
this.testSuite = testSuite;
this.descriptor = descriptor;
this.allValues = allValues( testSuite.getSupportedValues() );
pageCacheAndDependenciesRule = new PageCacheAndDependenciesRule( DefaultFileSystemRule::new, testSuite.getClass() );
}
protected void withPopulator( IndexPopulator populator, ThrowingConsumer<IndexPopulator,Exception> runWithPopulator ) throws Exception
{
try
{
runWithPopulator.accept( populator );
}
finally
{
try
{
populator.close( true );
}
catch ( Exception e )
{ // ignore
}
try
{
populator.close( false );
}
catch ( Exception e )
{ // ignore
}
}
}
private static List<NodeAndValue> allValues( Iterable<Value> supportedValues )
{
long nodeIds = 0;
List<NodeAndValue> result = new ArrayList<>();
for ( Value value : supportedValues )
{
result.add( new NodeAndValue( nodeIds++, value ) );
}
return result;
}
static class NodeAndValue
{
final long nodeId;
final Value value;
NodeAndValue( long nodeId, Value value )
{
this.nodeId = nodeId;
this.value = value;
}
}
}
}