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RelationshipLinkbackStageTest.java
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RelationshipLinkbackStageTest.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.unsafe.impl.batchimport;
import org.junit.Test;
import org.neo4j.graphdb.factory.GraphDatabaseSettings;
import org.neo4j.kernel.impl.store.RelationshipStore;
import org.neo4j.kernel.impl.store.id.IdGeneratorImpl;
import org.neo4j.kernel.impl.store.record.RelationshipRecord;
import org.neo4j.unsafe.impl.batchimport.cache.NodeRelationshipCache;
import org.neo4j.unsafe.impl.batchimport.cache.NumberArrayFactory;
import org.neo4j.unsafe.impl.batchimport.staging.ExecutionMonitors;
import org.neo4j.unsafe.impl.batchimport.staging.ExecutionSupervisors;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
public class RelationshipLinkbackStageTest
{
@Test
public void reservedIdIsSkipped() throws Exception
{
long highId = 5;
RelationshipStore store = StoreWithReservedId.newRelationshipStoreMock( highId );
RelationshipLinkbackStage stage = new RelationshipLinkbackStage( Configuration.DEFAULT, store, newCache() );
ExecutionSupervisors.superviseExecution( ExecutionMonitors.invisible(), Configuration.DEFAULT, stage );
verify( store, never() ).updateRecord( new RelationshipRecord( IdGeneratorImpl.INTEGER_MINUS_ONE ) );
}
private static NodeRelationshipCache newCache()
{
int denseNodeThreshold = Integer.parseInt( GraphDatabaseSettings.dense_node_threshold.getDefaultValue() );
return new NodeRelationshipCache( NumberArrayFactory.HEAP, denseNodeThreshold );
}
}