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LuceneSchemaIndexTest.java
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LuceneSchemaIndexTest.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.kernel.api.impl.index;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.StringField;
import org.junit.After;
import org.junit.Rule;
import org.junit.Test;
import java.io.IOException;
import java.util.UUID;
import org.neo4j.io.IOUtils;
import org.neo4j.kernel.api.impl.index.builder.LuceneSchemaIndexBuilder;
import org.neo4j.kernel.api.impl.index.storage.DirectoryFactory;
import org.neo4j.test.DefaultFileSystemRule;
import org.neo4j.test.TargetDirectory;
import static org.junit.Assert.assertTrue;
public class LuceneSchemaIndexTest
{
@Rule
public final DefaultFileSystemRule fs = new DefaultFileSystemRule();
@Rule
public TargetDirectory.TestDirectory testDir = TargetDirectory.testDirForTest( getClass() );
private final DirectoryFactory dirFactory = new DirectoryFactory.InMemoryDirectoryFactory();
private LuceneSchemaIndex index;
@After
public void closeIndex() throws Exception
{
IOUtils.closeAll( index, dirFactory );
}
@Test
public void markAsOnline() throws IOException
{
index = createIndex();
index.getIndexWriter().addDocument( newDocument() );
index.markAsOnline();
assertTrue( "Should have had online status set", index.isOnline() );
}
@Test
public void markAsOnlineAndClose() throws IOException
{
index = createIndex();
index.getIndexWriter().addDocument( newDocument() );
index.markAsOnline();
index.close();
index = openIndex();
assertTrue( "Should have had online status set", index.isOnline() );
}
@Test
public void markAsOnlineTwice() throws IOException
{
index = createIndex();
index.markAsOnline();
index.getIndexWriter().addDocument( newDocument() );
index.markAsOnline();
assertTrue( "Should have had online status set", index.isOnline() );
}
@Test
public void markAsOnlineTwiceAndClose() throws IOException
{
index = createIndex();
index.markAsOnline();
index.getIndexWriter().addDocument( newDocument() );
index.markAsOnline();
index.close();
index = openIndex();
assertTrue( "Should have had online status set", index.isOnline() );
}
@Test
public void markAsOnlineIsRespectedByOtherWriter() throws IOException
{
index = createIndex();
index.markAsOnline();
index.close();
index = openIndex();
index.getIndexWriter().addDocument( newDocument() );
index.close();
index = openIndex();
assertTrue( "Should have had online status set", index.isOnline() );
}
private LuceneSchemaIndex createIndex() throws IOException
{
LuceneSchemaIndex schemaIndex = newSchemaIndex( false );
schemaIndex.create();
schemaIndex.open();
return schemaIndex;
}
private LuceneSchemaIndex openIndex() throws IOException
{
LuceneSchemaIndex schemaIndex = newSchemaIndex( false );
schemaIndex.open();
return schemaIndex;
}
private LuceneSchemaIndex newSchemaIndex( boolean unique )
{
LuceneSchemaIndexBuilder builder = LuceneSchemaIndexBuilder.create();
if ( unique )
{
builder = builder.uniqueIndex();
}
return builder
.withIndexRootFolder( testDir.directory( "index" ) )
.withDirectoryFactory( dirFactory )
.withFileSystem( fs.get() )
.withIndexIdentifier( "testIndex" )
.build();
}
private static Document newDocument()
{
Document doc = new Document();
doc.add( new StringField( "test", UUID.randomUUID().toString(), Field.Store.YES ) );
return doc;
}
}