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BackupEmbeddedIT.java
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BackupEmbeddedIT.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 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.backup;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.SystemUtils;
import org.junit.Before;
import org.junit.ClassRule;
import org.junit.Rule;
import org.junit.Test;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.Node;
import org.neo4j.graphdb.RelationshipType;
import org.neo4j.graphdb.Transaction;
import org.neo4j.helpers.collection.MapUtil;
import org.neo4j.io.proc.ProcessUtil;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.configuration.Settings;
import org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory;
import org.neo4j.kernel.impl.store.format.lowlimit.LowLimitV3_0;
import org.neo4j.test.DbRepresentation;
import org.neo4j.test.EmbeddedDatabaseRule;
import org.neo4j.test.ProcessStreamHandler;
import org.neo4j.test.SuppressOutput;
import org.neo4j.test.TargetDirectory;
import static org.junit.Assert.assertEquals;
public class BackupEmbeddedIT
{
@ClassRule
public static TargetDirectory.TestDirectory testDirectory =
TargetDirectory.testDirForTest( BackupEmbeddedIT.class );
@Rule
public SuppressOutput suppressOutput = SuppressOutput.suppressAll();
@Rule
public EmbeddedDatabaseRule db = new EmbeddedDatabaseRule( testDirectory.directory( "db" ) )
.startLazily().withConfig( getConfig() );
private static final String ip = "127.0.0.1";
private final File backupPath = testDirectory.directory( "backup-db" );
@Before
public void before() throws Exception
{
if ( SystemUtils.IS_OS_WINDOWS ) return;
FileUtils.deleteDirectory( backupPath );
}
@SuppressWarnings("deprecation")
public static DbRepresentation createSomeData( GraphDatabaseService db )
{
try (Transaction tx = db.beginTx())
{
Node node = db.createNode();
node.setProperty( "name", "Neo" );
db.createNode().createRelationshipTo( node, RelationshipType.withName( "KNOWS" ) );
tx.success();
}
return DbRepresentation.of( db );
}
@Test
public void makeSureBackupCanBePerformedWithDefaultPort() throws Exception
{
if ( SystemUtils.IS_OS_WINDOWS ) return;
startDb( null );
assertEquals(
0,
runBackupToolFromOtherJvmToGetExitCode( "-from",
BackupTool.DEFAULT_SCHEME + "://" + ip, "-to",
backupPath.getPath() ) );
assertEquals( getDbRepresentation(), getBackupDbRepresentation() );
createSomeData( db );
assertEquals(
0,
runBackupToolFromOtherJvmToGetExitCode( "-from", BackupTool.DEFAULT_SCHEME + "://"+ ip,
"-to", backupPath.getPath() ) );
assertEquals( getDbRepresentation(), getBackupDbRepresentation() );
}
@Test
public void makeSureBackupCanBePerformedWithCustomPort() throws Exception
{
if ( SystemUtils.IS_OS_WINDOWS ) return;
int port = 4445;
startDb( "" + port );
assertEquals(
1,
runBackupToolFromOtherJvmToGetExitCode( "-from",
BackupTool.DEFAULT_SCHEME + "://" + ip, "-to",
backupPath.getPath() ) );
assertEquals(
0,
runBackupToolFromOtherJvmToGetExitCode( "-from",
BackupTool.DEFAULT_SCHEME + "://" + ip + ":" + port,
"-to", backupPath.getPath() ) );
assertEquals( getDbRepresentation(), getBackupDbRepresentation() );
createSomeData( db );
assertEquals(
0,
runBackupToolFromOtherJvmToGetExitCode( "-from", BackupTool.DEFAULT_SCHEME + "://"+ ip +":"
+ port, "-to",
backupPath.getPath() ) );
assertEquals( getDbRepresentation(), getBackupDbRepresentation() );
}
private void startDb( String backupPort )
{
db.setConfig( OnlineBackupSettings.online_backup_enabled, Settings.TRUE );
if(backupPort != null)
{
db.setConfig( OnlineBackupSettings.online_backup_server, ip +":" + backupPort );
}
db.ensureStarted();
createSomeData( db );
}
public static int runBackupToolFromOtherJvmToGetExitCode( String... args )
throws Exception
{
List<String> allArgs = new ArrayList<>( Arrays.asList(
ProcessUtil.getJavaExecutable().toString(), "-cp", ProcessUtil.getClassPath(), BackupTool.class.getName() ) );
allArgs.addAll( Arrays.asList( args ) );
Process process = Runtime.getRuntime().exec( allArgs.toArray( new String[allArgs.size()] ));
return new ProcessStreamHandler( process, false ).waitForResult();
}
private Config getConfig()
{
return new Config( MapUtil.stringMap( GraphDatabaseFacadeFactory.Configuration.record_format.name(),
LowLimitV3_0.NAME ) );
}
private DbRepresentation getDbRepresentation()
{
return DbRepresentation.of( db );
}
private DbRepresentation getBackupDbRepresentation()
{
return DbRepresentation.of( backupPath, getConfig() );
}
}