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TestClusterIndexDeletion.java
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TestClusterIndexDeletion.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.ha;
import org.junit.Rule;
import org.junit.Test;
import org.neo4j.graphdb.Transaction;
import org.neo4j.kernel.ha.HaSettings;
import org.neo4j.kernel.ha.HighlyAvailableGraphDatabase;
import org.neo4j.kernel.impl.ha.ClusterManager.ManagedCluster;
import org.neo4j.test.ha.ClusterRule;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;
public class TestClusterIndexDeletion
{
@Rule
public ClusterRule clusterRule = new ClusterRule( getClass() )
.withSharedSetting( HaSettings.ha_server, ":6001-6005" )
.withSharedSetting( HaSettings.tx_push_factor, "2" );
@Test
public void givenClusterWithCreatedIndexWhenDeleteIndexOnMasterThenIndexIsDeletedOnSlave() throws Throwable
{
ManagedCluster cluster = clusterRule.startCluster();
HighlyAvailableGraphDatabase master = cluster.getMaster();
try ( Transaction tx = master.beginTx() )
{
master.index().forNodes( "Test" );
tx.success();
}
HighlyAvailableGraphDatabase aSlave = cluster.getAnySlave();
try ( Transaction tx = aSlave.beginTx() )
{
assertThat( aSlave.index().existsForNodes( "Test" ), equalTo( true ) );
tx.success();
}
// When
try ( Transaction tx = master.beginTx() )
{
master.index().forNodes( "Test" ).delete();
tx.success();
}
// Then
HighlyAvailableGraphDatabase anotherSlave = cluster.getAnySlave();
try ( Transaction tx = anotherSlave.beginTx() )
{
assertThat( anotherSlave.index().existsForNodes( "Test" ), equalTo( false ) );
tx.success();
}
}
}