WriteConsistencyLevelTests.java

/*
 * Licensed to ElasticSearch and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with 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
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.elasticsearch.test.integration.consistencylevel;

import org.elasticsearch.action.UnavailableShardsException;
import org.elasticsearch.action.WriteConsistencyLevel;
import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;
import org.elasticsearch.action.admin.cluster.health.ClusterHealthStatus;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.test.integration.AbstractNodesTests;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.Test;

import static org.elasticsearch.common.unit.TimeValue.timeValueMillis;
import static org.elasticsearch.common.unit.TimeValue.timeValueSeconds;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;

/**
 *
 */
public class WriteConsistencyLevelTests extends AbstractNodesTests {

    @AfterMethod
    public void closeNodes() {
        closeAllNodes();
    }

    @Test
    public void testWriteConsistencyLevelReplication2() throws Exception {
        startNode("node1");
        client("node1").admin().indices().prepareCreate("test").setSettings(ImmutableSettings.settingsBuilder().put("number_of_shards", 1).put("number_of_replicas", 2)).execute().actionGet();

        ClusterHealthResponse clusterHealth = client("node1").admin().cluster().prepareHealth().setWaitForActiveShards(1).setWaitForYellowStatus().execute().actionGet();
        logger.info("Done Cluster Health, status " + clusterHealth.status());
        assertThat(clusterHealth.timedOut(), equalTo(false));
        assertThat(clusterHealth.status(), equalTo(ClusterHealthStatus.YELLOW));

        // indexing, by default, will work (ONE consistency level)
        client("node1").prepareIndex("test", "type1", "1").setSource(source("1", "test")).setConsistencyLevel(WriteConsistencyLevel.ONE).execute().actionGet();
        try {
            client("node1").prepareIndex("test", "type1", "1").setSource(source("1", "test"))
                    .setConsistencyLevel(WriteConsistencyLevel.QUORUM)
                    .setTimeout(timeValueMillis(100)).execute().actionGet();
            assert false : "can't index, does not match consistency";
        } catch (UnavailableShardsException e) {
            // all is well
        }

        startNode("node2");

        clusterHealth = client("node1").admin().cluster().prepareHealth().setWaitForActiveShards(2).setWaitForYellowStatus().execute().actionGet();
        logger.info("Done Cluster Health, status " + clusterHealth.status());
        assertThat(clusterHealth.timedOut(), equalTo(false));
        assertThat(clusterHealth.status(), equalTo(ClusterHealthStatus.YELLOW));

        // this should work, since we now have 
        client("node1").prepareIndex("test", "type1", "1").setSource(source("1", "test"))
                .setConsistencyLevel(WriteConsistencyLevel.QUORUM)
                .setTimeout(timeValueSeconds(1)).execute().actionGet();

        try {
            client("node1").prepareIndex("test", "type1", "1").setSource(source("1", "test"))
                    .setConsistencyLevel(WriteConsistencyLevel.ALL)
                    .setTimeout(timeValueMillis(100)).execute().actionGet();
            assert false : "can't index, does not match consistency";
        } catch (UnavailableShardsException e) {
            // all is well
        }

        startNode("node3");

        clusterHealth = client("node1").admin().cluster().prepareHealth().setWaitForActiveShards(3).setWaitForGreenStatus().execute().actionGet();
        logger.info("Done Cluster Health, status " + clusterHealth.status());
        assertThat(clusterHealth.timedOut(), equalTo(false));
        assertThat(clusterHealth.status(), equalTo(ClusterHealthStatus.GREEN));

        // this should work, since we now have
        client("node1").prepareIndex("test", "type1", "1").setSource(source("1", "test"))
                .setConsistencyLevel(WriteConsistencyLevel.ALL)
                .setTimeout(timeValueSeconds(1)).execute().actionGet();
    }

    private String source(String id, String nameValue) {
        return "{ type1 : { \"id\" : \"" + id + "\", \"name\" : \"" + nameValue + "\" } }";
    }
}