ZenUnicastDiscoveryTests.java

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 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
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package org.elasticsearch.discovery;

import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.test.ElasticsearchIntegrationTest;
import org.elasticsearch.test.ElasticsearchIntegrationTest.ClusterScope;
import org.elasticsearch.test.ElasticsearchIntegrationTest.Scope;
import org.junit.Test;

import static org.hamcrest.Matchers.equalTo;

@ClusterScope(scope=Scope.TEST, numNodes=2)
public class ZenUnicastDiscoveryTests extends ElasticsearchIntegrationTest {

    @Override
    protected Settings nodeSettings(int nodeOrdinal) {
        return ImmutableSettings.settingsBuilder()
                .put("discovery.zen.ping.multicast.enabled", false)
                .put("discovery.zen.ping.unicast.hosts", "localhost")
                .put("transport.tcp.port", "25300-25400") // Need to use custom tcp port range otherwise we collide with the shared cluster
                .put(super.nodeSettings(nodeOrdinal)).build();
    }
    
    @Test
    public void testUnicastDiscovery() {
        ClusterState state = client().admin().cluster().prepareState().execute().actionGet().getState();
        assertThat(state.nodes().size(), equalTo(2));

        state = client().admin().cluster().prepareState().execute().actionGet().getState();
        assertThat(state.nodes().size(), equalTo(2));
    }
}