/**
 * 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 static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;

import org.junit.Test;

/**
 * Created with IntelliJ IDEA.
 * User: rickard
 * Date: 2012-05-16
 * Time: 14:52
 * To change this template use File | Settings | File Templates.
 */
public class ClusterConfigurationTest
{
    public static URI NEO4J_SERVER1;

    static
    {
        try
        {
            NEO4J_SERVER1 = new URI( "neo4j://server1" );
        }
        catch ( URISyntaxException e )
        {
            e.printStackTrace();
        }
    }

    ClusterConfiguration configuration = new ClusterConfiguration( "default", new ArrayList<URI>() );

    @Test
    public void givenEmptyClusterWhenNodeAddedThenNodeWasAdded()
    {
        configuration.joined( NEO4J_SERVER1 );

        assertThat( configuration.getMembers(), equalTo( Arrays.asList( NEO4J_SERVER1 ) ) );
    }

    @Test
    public void givenEmptyClusterWhenNodeIsAddedTwiceThenNodeWasAddedOnce()
    {
        configuration.joined( NEO4J_SERVER1 );
        configuration.joined( NEO4J_SERVER1 );

        assertThat( configuration.getMembers(), equalTo( Arrays.asList( NEO4J_SERVER1 ) ) );
    }

    @Test
    public void givenClusterWithOneNodeWhenNodeIsRemovedThenClusterIsEmpty()
    {
        configuration.joined( NEO4J_SERVER1 );
        configuration.left( NEO4J_SERVER1 );

        assertThat( configuration.getMembers(), equalTo( Collections.<URI>emptyList() ) );

    }

    @Test
    public void givenClusterWithOneNodeWhenNodeIsRemovedTwiceThenClusterIsEmpty()
    {
        configuration.joined( NEO4J_SERVER1 );
        configuration.left( NEO4J_SERVER1 );
        configuration.left( NEO4J_SERVER1 );

        assertThat( configuration.getMembers(), equalTo( Collections.<URI>emptyList() ) );

    }
}