/**
* Copyright (c) 2002-2013 "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.collections;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.junit.*;
import org.neo4j.collections.graphdb.DatabaseService;
import org.neo4j.collections.graphdb.impl.EmbeddedGraphDatabase;
import org.neo4j.graphdb.Transaction;
import org.neo4j.test.TestGraphDatabaseFactory;
public abstract class Neo4jTestCase
{
private static File basePath = new File( "target/var" );
private static File dbPath = new File( basePath, "neo4j-db" );
private static DatabaseService graphDb;
private Transaction tx;
@BeforeClass
public static void setUpDb() throws Exception
{
deleteFileOrDirectory( dbPath );
graphDb = new EmbeddedGraphDatabase( dbPath.getAbsolutePath() );
}
@Before
public void setUpTest()
{
tx = graphDb.beginTx();
}
@After
public void tearDownTest()
{
if ( !manageMyOwnTxFinish() )
{
finishTx( true );
}
}
protected boolean manageMyOwnTxFinish()
{
return false;
}
protected void finishTx( boolean commit )
{
if ( tx == null )
{
return;
}
if ( commit )
{
tx.success();
}
tx.finish();
tx = null;
}
protected Transaction beginTx()
{
if ( tx == null )
{
tx = graphDb.beginTx();
}
return tx;
}
@AfterClass
public static void tearDownDb() throws Exception
{
graphDb.shutdown();
}
protected void beforeShutdown()
{
}
protected File getBasePath()
{
return basePath;
}
protected File getDbPath()
{
return dbPath;
}
public static void deleteFileOrDirectory( File file )
{
if ( file.exists() )
{
if ( file.isDirectory() )
{
for ( File child : file.listFiles() )
{
deleteFileOrDirectory( child );
}
}
file.delete();
}
}
protected void restartTx()
{
restartTx( true );
}
protected void restartTx( boolean success )
{
if ( success )
{
tx.success();
}
else
{
tx.failure();
}
tx.finish();
tx = graphDb.beginTx();
}
protected static org.neo4j.graphdb.GraphDatabaseService graphDb()
{
return graphDb.getGraphDatabaseService();
}
protected static DatabaseService graphDbExt()
{
return graphDb;
}
public static <T> void assertCollection( Collection<T> collection,
T... expectedItems )
{
String collectionString = join( ", ", collection.toArray() );
assertEquals( collectionString, expectedItems.length,
collection.size() );
for ( T item : expectedItems )
{
assertTrue( collection.contains( item ) );
}
}
public static <T> void assertCollection( Iterable<T> items, T... expectedItems )
{
assertCollection( asCollection( items ), expectedItems );
}
public static <T> Collection<T> asCollection( Iterable<T> iterable )
{
List<T> list = new ArrayList<T>();
for ( T item : iterable )
{
list.add( item );
}
return list;
}
public static <T> String join( String delimiter, T... items )
{
StringBuffer buffer = new StringBuffer();
for ( T item : items )
{
if ( buffer.length() > 0 )
{
buffer.append( delimiter );
}
buffer.append( item.toString() );
}
return buffer.toString();
}
protected <T> int countIterable( Iterable<T> iterable )
{
int counter = 0;
Iterator<T> itr = iterable.iterator();
while ( itr.hasNext() )
{
itr.next();
counter++;
}
return counter;
}
}