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SessionExtension.java
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SessionExtension.java
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.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.bolt.v3.runtime.integration;
import org.junit.jupiter.api.extension.AfterEachCallback;
import org.junit.jupiter.api.extension.BeforeEachCallback;
import org.junit.jupiter.api.extension.ExtensionContext;
import java.time.Clock;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.neo4j.bolt.BoltChannel;
import org.neo4j.bolt.runtime.BoltStateMachine;
import org.neo4j.bolt.runtime.BoltStateMachineFactoryImpl;
import org.neo4j.bolt.security.auth.Authentication;
import org.neo4j.bolt.security.auth.BasicAuthentication;
import org.neo4j.dbms.database.DatabaseManager;
import org.neo4j.graphdb.DependencyResolver;
import org.neo4j.graphdb.config.Setting;
import org.neo4j.graphdb.factory.GraphDatabaseSettings;
import org.neo4j.io.IOUtils;
import org.neo4j.kernel.api.security.AuthManager;
import org.neo4j.kernel.api.security.UserManagerSupplier;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.internal.GraphDatabaseAPI;
import org.neo4j.logging.internal.NullLogService;
import org.neo4j.test.TestGraphDatabaseFactory;
import org.neo4j.udc.UsageData;
public class SessionExtension implements BeforeEachCallback, AfterEachCallback
{
private GraphDatabaseAPI gdb;
private BoltStateMachineFactoryImpl boltFactory;
private List<BoltStateMachine> runningMachines = new ArrayList<>();
private boolean authEnabled;
private Authentication authentication( AuthManager authManager, UserManagerSupplier userManagerSupplier )
{
return new BasicAuthentication( authManager, userManagerSupplier );
}
public BoltStateMachine newMachine( long version, BoltChannel boltChannel )
{
if ( boltFactory == null )
{
throw new IllegalStateException( "Cannot access test environment before test is running." );
}
BoltStateMachine machine = boltFactory.newStateMachine( version, boltChannel );
runningMachines.add( machine );
return machine;
}
@Override
public void beforeEach( ExtensionContext extensionContext )
{
Map<Setting<?>,String> config = new HashMap<>();
config.put( GraphDatabaseSettings.auth_enabled, Boolean.toString( authEnabled ) );
gdb = (GraphDatabaseAPI) new TestGraphDatabaseFactory().newImpermanentDatabase( config );
DependencyResolver resolver = gdb.getDependencyResolver();
Authentication authentication = authentication( resolver.resolveDependency( AuthManager.class ),
resolver.resolveDependency( UserManagerSupplier.class ) );
boltFactory = new BoltStateMachineFactoryImpl(
resolver.resolveDependency( DatabaseManager.class ),
new UsageData( null ),
authentication,
Clock.systemUTC(),
Config.defaults(),
NullLogService.getInstance()
);
}
@Override
public void afterEach( ExtensionContext extensionContext )
{
try
{
if ( runningMachines != null )
{
IOUtils.closeAll( runningMachines );
}
}
catch ( Throwable e )
{
e.printStackTrace();
}
gdb.shutdown();
}
}