MatchedFiltersTests.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.matchedfilters;

import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.test.integration.AbstractNodesTests;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;

import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
import static org.elasticsearch.index.query.FilterBuilders.orFilter;
import static org.elasticsearch.index.query.FilterBuilders.rangeFilter;
import static org.elasticsearch.index.query.QueryBuilders.filteredQuery;
import static org.elasticsearch.index.query.QueryBuilders.matchAllQuery;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.hasItemInArray;

/**
 *
 */
public class MatchedFiltersTests extends AbstractNodesTests {

    private Client client;

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

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

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

    @Test
    public void simpleMatchedFilter() throws Exception {
        try {
            client.admin().indices().prepareDelete("test").execute().actionGet();
        } catch (Exception e) {
            // ignore
        }
        client.admin().indices().prepareCreate("test").execute().actionGet();
        client.admin().cluster().prepareHealth().setWaitForGreenStatus().execute().actionGet();

        client.prepareIndex("test", "type1", "1").setSource(jsonBuilder().startObject()
                .field("name", "test1")
                .field("number", 1)
                .endObject()).execute().actionGet();

        client.prepareIndex("test", "type1", "2").setSource(jsonBuilder().startObject()
                .field("name", "test2")
                .field("number", 2)
                .endObject()).execute().actionGet();

        client.admin().indices().prepareFlush().execute().actionGet();

        client.prepareIndex("test", "type1", "3").setSource(jsonBuilder().startObject()
                .field("name", "test3")
                .field("number", 3)
                .endObject()).execute().actionGet();

        client.admin().indices().prepareRefresh().execute().actionGet();

        SearchResponse searchResponse = client.prepareSearch()
                .setQuery(filteredQuery(matchAllQuery(), orFilter(rangeFilter("number").lte(2).filterName("test1"), rangeFilter("number").gt(2).filterName("test2"))))
                .execute().actionGet();

        assertThat(searchResponse.hits().totalHits(), equalTo(3l));
        for (SearchHit hit : searchResponse.hits()) {
            if (hit.id().equals("1") || hit.id().equals("2")) {
                assertThat(hit.matchedFilters().length, equalTo(1));
                assertThat(hit.matchedFilters(), hasItemInArray("test1"));
            } else if (hit.id().equals("3")) {
                assertThat(hit.matchedFilters().length, equalTo(1));
                assertThat(hit.matchedFilters(), hasItemInArray("test2"));
            } else {
                assert false;
            }
        }
    }
}