TransportSearchFailuresIT.java example

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elasticsearch-master
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 * the Apache License, Version 2.0 (the "License"); you may
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 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.search.basic;

import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;
import org.elasticsearch.action.admin.indices.refresh.RefreshResponse;
import org.elasticsearch.action.search.SearchPhaseExecutionException;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.Requests;
import org.elasticsearch.cluster.health.ClusterHealthStatus;
import org.elasticsearch.common.Priority;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.index.query.MatchQueryBuilder;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.test.ESIntegTestCase;

import java.io.IOException;

import static org.elasticsearch.client.Requests.clusterHealthRequest;
import static org.elasticsearch.client.Requests.refreshRequest;
import static org.elasticsearch.client.Requests.searchRequest;
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
import static org.hamcrest.Matchers.anyOf;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.instanceOf;

public class TransportSearchFailuresIT extends ESIntegTestCase {
    @Override
    protected int maximumNumberOfReplicas() {
        return 1;
    }

    public void testFailedSearchWithWrongQuery() throws Exception {
        logger.info("Start Testing failed search with wrong query");
        assertAcked(prepareCreate("test", 1).addMapping("type", "foo", "type=geo_point"));

        NumShards test = getNumShards("test");

        for (int i = 0; i < 100; i++) {
            index(client(), Integer.toString(i), "test", i);
        }
        RefreshResponse refreshResponse = client().admin().indices().refresh(refreshRequest("test")).actionGet();
        assertThat(refreshResponse.getTotalShards(), equalTo(test.totalNumShards));
        assertThat(refreshResponse.getSuccessfulShards(), equalTo(test.numPrimaries));
        assertThat(refreshResponse.getFailedShards(), equalTo(0));
        for (int i = 0; i < 5; i++) {
            try {
                SearchResponse searchResponse = client().search(
                        searchRequest("test").source(new SearchSourceBuilder().query(new MatchQueryBuilder("foo", "biz"))))
                        .actionGet();
                assertThat(searchResponse.getTotalShards(), equalTo(test.numPrimaries));
                assertThat(searchResponse.getSuccessfulShards(), equalTo(0));
                assertThat(searchResponse.getFailedShards(), equalTo(test.numPrimaries));
                fail("search should fail");
            } catch (ElasticsearchException e) {
                assertThat(e.unwrapCause(), instanceOf(SearchPhaseExecutionException.class));
                // all is well
            }
        }

        allowNodes("test", 2);
        assertThat(client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForNodes(">=2").execute()
                .actionGet().isTimedOut(), equalTo(false));

        logger.info("Running Cluster Health");
        ClusterHealthResponse clusterHealth = client()
                .admin()
                .cluster()
                .health(clusterHealthRequest("test").waitForYellowStatus().waitForNoRelocatingShards(true)
                        .waitForActiveShards(test.totalNumShards)).actionGet();
        logger.info("Done Cluster Health, status {}", clusterHealth.getStatus());
        assertThat(clusterHealth.isTimedOut(), equalTo(false));
        assertThat(clusterHealth.getStatus(), anyOf(equalTo(ClusterHealthStatus.YELLOW), equalTo(ClusterHealthStatus.GREEN)));
        assertThat(clusterHealth.getActiveShards(), equalTo(test.totalNumShards));

        refreshResponse = client().admin().indices().refresh(refreshRequest("test")).actionGet();
        assertThat(refreshResponse.getTotalShards(), equalTo(test.totalNumShards));
        assertThat(refreshResponse.getSuccessfulShards(), equalTo(test.totalNumShards));
        assertThat(refreshResponse.getFailedShards(), equalTo(0));

        for (int i = 0; i < 5; i++) {
            try {
                SearchResponse searchResponse = client().search(
                        searchRequest("test").source(new SearchSourceBuilder().query(new MatchQueryBuilder("foo", "biz"))))
                        .actionGet();
                assertThat(searchResponse.getTotalShards(), equalTo(test.numPrimaries));
                assertThat(searchResponse.getSuccessfulShards(), equalTo(0));
                assertThat(searchResponse.getFailedShards(), equalTo(test.numPrimaries));
                fail("search should fail");
            } catch (ElasticsearchException e) {
                assertThat(e.unwrapCause(), instanceOf(SearchPhaseExecutionException.class));
                // all is well
            }
        }

        logger.info("Done Testing failed search");
    }

    private void index(Client client, String id, String nameValue, int age) throws IOException {
        client.index(Requests.indexRequest("test").type("type").id(id).source(source(id, nameValue, age))).actionGet();
    }

    private XContentBuilder source(String id, String nameValue, int age) throws IOException {
        StringBuilder multi = new StringBuilder().append(nameValue);
        for (int i = 0; i < age; i++) {
            multi.append(" ").append(nameValue);
        }
        return jsonBuilder().startObject()
                .field("id", id)
                .field("name", nameValue + id)
                .field("age", age)
                .field("multi", multi.toString())
                .endObject();
    }
}