ClusterMembershipTest.java

/**
 * Copyright (c) 2002-2012 "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.cluster.protocol.cluster;

import java.net.URISyntaxException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeoutException;

import org.junit.Ignore;
import org.junit.Test;

/**
 * TODO
 */
public class ClusterMembershipTest
        extends ClusterMockTest
{
    @Test
    public void threeNodesJoinAndThenLeave()
            throws URISyntaxException, ExecutionException, TimeoutException, InterruptedException
    {
        testCluster( 3, DEFAULT_NETWORK(), new ClusterTestScriptDSL().
                rounds( 70 ).
                join( 100, 1 ).
                join( 100, 2 ).
                join( 100, 3 ).
                message( 100, "*** Cluster formed, now leave" ).
                leave( 0, 3 ).
                leave( 100, 2 ).
                leave( 100, 1 ) );
    }

    @Test
    public void threeNodesJoinAndThenLeaveInOriginalOrder()
            throws URISyntaxException, ExecutionException, TimeoutException, InterruptedException
    {
        testCluster( 3, DEFAULT_NETWORK(), new ClusterTestScriptDSL().
                rounds( 100 ).
                join( 100, 1 ).
                join( 100, 2 ).
                join( 100, 3 ).
                message( 100, "*** Cluster formed, now leave" ).
                verifyConfigurations( 0 ).sleep( 100 ).
                leave( 0, 1 ).
                verifyConfigurations( 200 ).
                leave( 0, 2 ).
                leave( 200, 3 ) );
    }

    @Test
    public void noobTest()
            throws URISyntaxException, ExecutionException, TimeoutException, InterruptedException
    {
        testCluster( 1, DEFAULT_NETWORK(), new ClusterTestScriptDSL().
                rounds( 3 ).
                sleep( 10 ).
                join( 0, 1 ).
                message( 0, "*** Cluster formed, now leave" ).
                leave( 0, 1 ).verifyConfigurations( 0 ) );
    }

    @Test
    public void sevenNodesJoinAndThenLeave()
            throws URISyntaxException, ExecutionException, TimeoutException, InterruptedException
    {
        testCluster( 7, DEFAULT_NETWORK(), new ClusterTestScriptDSL().
                rounds( 500 ).
                join( 100, 1 ).
                join( 100, 2 ).
                join( 100, 3 ).
                join( 100, 4 ).
                join( 100, 5 ).
                join( 100, 6 ).
                join( 100, 7 ).
                leave( 100, 7 ).
                leave( 500, 6 ).
                leave( 500, 5 ).
                leave( 500, 4 ).
                leave( 500, 3 ).
                leave( 500, 2 ).
                leave( 500, 1 )
        );
    }

    @Test
    public void oneNodeJoinThenTwoJoinRoughlyAtSameTime()
            throws URISyntaxException, ExecutionException, TimeoutException, InterruptedException
    {
        testCluster( 3, DEFAULT_NETWORK(), new ClusterTestScriptDSL().
                rounds( 500 ).
                join( 100, 1 ).
                join( 100, 2 ).
                join( 10, 3 ).
                message( 2000, "*** All are in " ).
                leave( 0, 3 )
        );
    }

    @Test
    public void oneNodeJoinThenThreeJoinRoughlyAtSameTime2()
            throws URISyntaxException, ExecutionException, TimeoutException, InterruptedException
    {
        testCluster( 4, DEFAULT_NETWORK(), new ClusterTestScriptDSL().
                rounds( 800 ).
                join( 100, 1 ).
                join( 100, 2 ).
                join( 10, 3 ).
                join( 10, 4 ).
                message( 2000, "*** All are in " ).
                broadcast( 10, 2, "Hello world" )
        );
    }

    @Test
    public void twoNodesJoinThenOneLeavesAsThirdJoins()
            throws URISyntaxException, ExecutionException, TimeoutException, InterruptedException
    {
        testCluster( 3, DEFAULT_NETWORK(), new ClusterTestScriptDSL().
                rounds( 820 ).
                join( 0, 1 ).
                join( 10, 2 ).
                message( 80, "*** 1 and 2 are in cluster" ).
                leave( 10, 2 ).
                join( 20, 3 )
        );
    }

    @Ignore
    @Test
    public void oneNodeCreatesClusterAndThenAnotherJoinsAsFirstLeaves()
            throws URISyntaxException, ExecutionException, TimeoutException, InterruptedException
    {
        testCluster( 2, DEFAULT_NETWORK(), new ClusterTestScriptDSL().
                rounds( 810 ).
                join( 0, 1 ).
                join( 10, 2 ).
                leave( 20, 1 )
        );
    }

    @Ignore
    @Test
    public void oneNodeCreatesClusterAndThenAnotherJoinsAsFirstLeaves2()
            throws URISyntaxException, ExecutionException, TimeoutException, InterruptedException
    {
        testCluster( 2, DEFAULT_NETWORK(), new ClusterTestScriptDSL().
                rounds( 100 ).
                join( 0, 1 ).
                join( 10, 2 ).
                leave( 60, 1 )
        );
    }

    @Test
    public void threeNodesJoinAndThenFirstLeavesAsFourthJoins()
            throws URISyntaxException, ExecutionException, TimeoutException, InterruptedException
    {
        testCluster( 4, DEFAULT_NETWORK(), new ClusterTestScriptDSL().
                rounds( 1000 ).
                join( 100, 1 ).
                join( 100, 2 ).
                join( 100, 3 ).
                message( 100, "*** Cluster formed, now leave" ).
                leave( 0, 1 ).
                join( 10, 4 )
        );
    }

    @Ignore
    @Test
    public void threeNodesJoinAndThenFirstLeavesAsFourthJoins2()
            throws URISyntaxException, ExecutionException, TimeoutException, InterruptedException
    {
        testCluster( 5, DEFAULT_NETWORK(), new ClusterTestScriptDSL().
                rounds( 1000 ).
                join( 100, 1 ).
                join( 100, 2 ).
                join( 100, 3 ).
                join( 100, 4 ).
                message( 100, "*** Cluster formed, now leave" ).
                leave( 0, 1 ).
                join( 30, 5 ).
                leave( 0, 2 )
        );
    }
}