TransportTwoNodesSearchTests.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.search.basic;

import com.google.common.collect.Sets;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.action.search.SearchPhaseExecutionException;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.Unicode;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.search.Scroll;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.search.facet.FacetBuilders;
import org.elasticsearch.search.facet.query.QueryFacet;
import org.elasticsearch.search.sort.SortOrder;
import org.elasticsearch.test.integration.AbstractNodesTests;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;

import java.io.IOException;
import java.util.Arrays;
import java.util.Set;

import static org.elasticsearch.action.search.SearchType.*;
import static org.elasticsearch.client.AdminRequests.*;
import static org.elasticsearch.client.IngestRequests.*;
import static org.elasticsearch.common.settings.ImmutableSettings.settingsBuilder;
import static org.elasticsearch.common.unit.TimeValue.timeValueMinutes;
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
import static org.elasticsearch.index.query.QueryBuilders.matchAllQuery;
import static org.elasticsearch.index.query.QueryBuilders.termQuery;
import static org.elasticsearch.search.builder.SearchSourceBuilder.searchSource;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.*;

/**
 *
 */
public class TransportTwoNodesSearchTests extends AbstractNodesTests {

    private Client client;

    private Set<String> fullExpectedIds = Sets.newHashSet();

    @BeforeClass
    public void createNodes() throws Exception {
        startNode("server1");
        startNode("server2");
        client = getClient();

        client.admin().indices().create(createIndexRequest("test")
                .settings(settingsBuilder().put("number_of_shards", 3).put("number_of_replicas", 0).put("routing.hash.type", "simple")))
                .actionGet();

        client.admin().cluster().prepareHealth().setWaitForGreenStatus().execute().actionGet();

        for (int i = 0; i < 100; i++) {
            index(client("server1"), Integer.toString(i), "test", i);
            fullExpectedIds.add(Integer.toString(i));
        }
        client.admin().indices().refresh(refreshRequest("test")).actionGet();
    }

    @AfterClass
    public void closeServers() {
        client.close();
        closeAllNodes();
    }

    protected Client getClient() {
        return client("server1");
    }

    @Test
    public void testDfsQueryThenFetch() throws Exception {
        SearchSourceBuilder source = searchSource()
                .query(termQuery("multi", "test"))
                .from(0).size(60).explain(true);

        SearchResponse searchResponse = client.search(searchRequest("test").source(source).searchType(DFS_QUERY_THEN_FETCH).scroll(new Scroll(timeValueMinutes(10)))).actionGet();
        assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));

        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(60));
//        System.out.println("max_score: " + searchResponse.hits().maxScore());
        for (int i = 0; i < 60; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
//            System.out.println(hit.shard() + ": " + hit.score() + ":" +  hit.explanation());
            assertThat(hit.explanation(), notNullValue());
            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(100 - i - 1)));
        }

        searchResponse = client.searchScroll(searchScrollRequest(searchResponse.scrollId())).actionGet();

        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(40));
        for (int i = 0; i < 40; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(100 - 60 - 1 - i)));
        }
    }

    @Test
    public void testDfsQueryThenFetchWithSort() throws Exception {
        SearchSourceBuilder source = searchSource()
                .query(termQuery("multi", "test"))
                .from(0).size(60).explain(true).sort("age", SortOrder.ASC);

        SearchResponse searchResponse = client.search(searchRequest("test").source(source).searchType(DFS_QUERY_THEN_FETCH).scroll(new Scroll(timeValueMinutes(10)))).actionGet();
        assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));
        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(60));
        for (int i = 0; i < 60; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
//            System.out.println(hit.shard() + ": " +  hit.explanation());
            assertThat(hit.explanation(), notNullValue());
            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(i)));
        }

        searchResponse = client.searchScroll(searchScrollRequest(searchResponse.scrollId())).actionGet();

        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(40));
        for (int i = 0; i < 40; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(i + 60)));
        }
    }

    @Test
    public void testQueryThenFetch() throws Exception {
        SearchSourceBuilder source = searchSource()
                .query(termQuery("multi", "test"))
                .sort("nid", SortOrder.DESC) // we have to sort here to have some ordering with dist scoring
                .from(0).size(60).explain(true);

        SearchResponse searchResponse = client.search(searchRequest("test").source(source).searchType(QUERY_THEN_FETCH).scroll(new Scroll(timeValueMinutes(10)))).actionGet();
        assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));
        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(60));
        for (int i = 0; i < 60; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
//            System.out.println(hit.shard() + ": " +  hit.explanation());
            assertThat(hit.explanation(), notNullValue());
            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(100 - i - 1)));
        }

        searchResponse = client.searchScroll(searchScrollRequest(searchResponse.scrollId())).actionGet();

        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(40));
        for (int i = 0; i < 40; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(100 - 60 - 1 - i)));
        }
    }

    @Test
    public void testQueryThenFetchWithFrom() throws Exception {
        SearchSourceBuilder source = searchSource()
                .query(matchAllQuery())
                .explain(true);

        Set<String> collectedIds = Sets.newHashSet();

        SearchResponse searchResponse = client.search(searchRequest("test").source(source.from(0).size(60)).searchType(QUERY_THEN_FETCH)).actionGet();
        assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));
        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(60));
        for (int i = 0; i < 60; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
            collectedIds.add(hit.id());
        }
        searchResponse = client.search(searchRequest("test").source(source.from(60).size(60)).searchType(QUERY_THEN_FETCH)).actionGet();
        assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));
        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(40));
        for (int i = 0; i < 40; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
            collectedIds.add(hit.id());
        }
        assertThat(collectedIds, equalTo(fullExpectedIds));
    }

    @Test
    public void testQueryThenFetchWithSort() throws Exception {
        SearchSourceBuilder source = searchSource()
                .query(termQuery("multi", "test"))
                .from(0).size(60).explain(true).sort("age", SortOrder.ASC);

        SearchResponse searchResponse = client.search(searchRequest("test").source(source).searchType(QUERY_THEN_FETCH).scroll(new Scroll(timeValueMinutes(10)))).actionGet();
        assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));
        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(60));
        for (int i = 0; i < 60; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
//            System.out.println(hit.shard() + ": " +  hit.explanation());
            assertThat(hit.explanation(), notNullValue());
            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(i)));
        }

        searchResponse = client.searchScroll(searchScrollRequest(searchResponse.scrollId())).actionGet();

        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(40));
        for (int i = 0; i < 40; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(i + 60)));
        }
    }

    @Test
    public void testQueryAndFetch() throws Exception {
        SearchSourceBuilder source = searchSource()
                .query(termQuery("multi", "test"))
                .from(0).size(20).explain(true);

        Set<String> expectedIds = Sets.newHashSet();
        for (int i = 0; i < 100; i++) {
            expectedIds.add(Integer.toString(i));
        }

        SearchResponse searchResponse = client.search(searchRequest("test").source(source).searchType(QUERY_AND_FETCH).scroll(new Scroll(timeValueMinutes(10)))).actionGet();
        assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));
        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(60)); // 20 per shard
        for (int i = 0; i < 60; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
//            System.out.println(hit.shard() + ": " +  hit.explanation());
            assertThat(hit.explanation(), notNullValue());
            // we can't really check here, since its query and fetch, and not controlling distribution
//            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(100 - i - 1)));
            assertThat("make sure we don't have duplicates", expectedIds.remove(hit.id()), notNullValue());
        }

        searchResponse = client.searchScroll(searchScrollRequest(searchResponse.scrollId())).actionGet();

        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(40));
        for (int i = 0; i < 40; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
//            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(100 - 60 - 1 - i)));
            // we don't do perfect sorting when it comes to scroll with Query+Fetch
            assertThat("make sure we don't have duplicates", expectedIds.remove(hit.id()), notNullValue());
        }
        assertThat("make sure we got all [" + expectedIds + "]", expectedIds.size(), equalTo(0));
    }

    @Test
    public void testDfsQueryAndFetch() throws Exception {
        SearchSourceBuilder source = searchSource()
                .query(termQuery("multi", "test"))
                .from(0).size(20).explain(true);

        Set<String> expectedIds = Sets.newHashSet();
        for (int i = 0; i < 100; i++) {
            expectedIds.add(Integer.toString(i));
        }


        SearchResponse searchResponse = client.search(searchRequest("test").source(source).searchType(DFS_QUERY_AND_FETCH).scroll(new Scroll(timeValueMinutes(10)))).actionGet();
        assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));
        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(60)); // 20 per shard
        for (int i = 0; i < 60; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
//            System.out.println(hit.shard() + ": " +  hit.explanation());
            assertThat(hit.explanation(), notNullValue());
//            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(100 - i - 1)));
            assertThat("make sure we don't have duplicates", expectedIds.remove(hit.id()), notNullValue());
        }

        searchResponse = client.searchScroll(searchScrollRequest(searchResponse.scrollId())).actionGet();

        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(40));
        for (int i = 0; i < 40; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
//            System.out.println(hit.shard() + ": " +  hit.explanation());
//            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(100 - 60 - 1 - i)));
            // we don't do perfect sorting when it comes to scroll with Query+Fetch
            assertThat("make sure we don't have duplicates", expectedIds.remove(hit.id()), notNullValue());
        }
        assertThat("make sure we got all [" + expectedIds + "]", expectedIds.size(), equalTo(0));
    }

    @Test
    public void testSimpleFacets() throws Exception {
        SearchSourceBuilder sourceBuilder = searchSource()
                .query(termQuery("multi", "test"))
                .from(0).size(20).explain(true)
                .facet(FacetBuilders.queryFacet("all", termQuery("multi", "test")).global(true))
                .facet(FacetBuilders.queryFacet("test1", termQuery("name", "test1")));

        SearchResponse searchResponse = client.search(searchRequest("test").source(sourceBuilder)).actionGet();
        assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));
        assertThat(searchResponse.hits().totalHits(), equalTo(100l));

        assertThat(searchResponse.facets().facet(QueryFacet.class, "test1").count(), equalTo(1l));
        assertThat(searchResponse.facets().facet(QueryFacet.class, "all").count(), equalTo(100l));
    }

    @Test
    public void testSimpleFacetsTwice() throws Exception {
        testSimpleFacets();
        testSimpleFacets();
    }

    @Test
    public void testFailedSearchWithWrongQuery() throws Exception {
        logger.info("Start Testing failed search with wrong query");
        try {
            SearchResponse searchResponse = client.search(searchRequest("test").source(Unicode.fromStringAsBytes("{ xxx }"))).actionGet();
            assertThat(searchResponse.totalShards(), equalTo(3));
            assertThat(searchResponse.successfulShards(), equalTo(0));
            assertThat(searchResponse.failedShards(), equalTo(3));
            assert false : "search should fail";
        } catch (ElasticSearchException e) {
            assertThat(e.unwrapCause(), instanceOf(SearchPhaseExecutionException.class));
            // all is well
        }
        logger.info("Done Testing failed search");
    }

    @Test
    public void testFailedSearchWithWrongFrom() throws Exception {
        logger.info("Start Testing failed search with wrong from");
        SearchSourceBuilder source = searchSource()
                .query(termQuery("multi", "test"))
                .from(1000).size(20).explain(true);
        SearchResponse response = client.search(searchRequest("test").searchType(DFS_QUERY_AND_FETCH).source(source)).actionGet();
        assertThat(response.hits().hits().length, equalTo(0));
        assertThat(response.totalShards(), equalTo(3));
        assertThat(response.successfulShards(), equalTo(3));
        assertThat(response.failedShards(), equalTo(0));

        response = client.search(searchRequest("test").searchType(QUERY_THEN_FETCH).source(source)).actionGet();
        assertThat(response.shardFailures().length, equalTo(0));
        assertThat(response.hits().hits().length, equalTo(0));

        response = client.search(searchRequest("test").searchType(DFS_QUERY_AND_FETCH).source(source)).actionGet();
        assertThat(response.shardFailures().length, equalTo(0));
        assertThat(response.hits().hits().length, equalTo(0));

        response = client.search(searchRequest("test").searchType(DFS_QUERY_THEN_FETCH).source(source)).actionGet();
        assertThat(response.shardFailures().length, equalTo(0));
        assertThat(response.hits().hits().length, equalTo(0));

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

    private void index(Client client, String id, String nameValue, int age) throws IOException {
        client.index(indexRequest("test").type("type1").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("nid", Integer.parseInt(id))
                .field("name", nameValue + id)
                .field("age", age)
                .field("multi", multi.toString())
                .field("_boost", age * 10)
                .endObject();
    }
}