GeohashMappingGeoPointTests.java example

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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.index.mapper.geo;

import org.elasticsearch.Version;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.compress.CompressedXContent;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.index.mapper.DocumentMapper;
import org.elasticsearch.index.mapper.FieldMapper;
import org.elasticsearch.index.mapper.ParsedDocument;
import org.elasticsearch.test.ESSingleNodeTestCase;
import org.elasticsearch.test.VersionUtils;
import org.junit.Test;

import static org.apache.lucene.spatial.util.GeoHashUtils.stringEncode;
import static org.apache.lucene.spatial.util.GeoEncodingUtils.mortonHash;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;
import static org.hamcrest.Matchers.nullValue;

/**
 *
 */
public class GeohashMappingGeoPointTests extends ESSingleNodeTestCase {

    @Test
    public void testLatLonValues() throws Exception {
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
                .startObject("properties").startObject("point").field("type", "geo_point").field("lat_lon", false)
                .endObject().endObject().endObject().endObject().string();

        Version version = VersionUtils.randomVersionBetween(random(), Version.V_1_0_0, Version.CURRENT);
        Settings settings = Settings.settingsBuilder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
        DocumentMapper defaultMapper = createIndex("test", settings).mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));

        ParsedDocument doc = defaultMapper.parse("test", "type", "1", XContentFactory.jsonBuilder()
                .startObject()
                .startObject("point").field("lat", 1.2).field("lon", 1.3).endObject()
                .endObject()
                .bytes());

        assertThat(doc.rootDoc().getField("point.lat"), nullValue());
        assertThat(doc.rootDoc().getField("point.lon"), nullValue());
        if (version.before(Version.V_2_2_0)) {
            assertThat(doc.rootDoc().get("point"), equalTo("1.2,1.3"));
        } else {
            assertThat(Long.parseLong(doc.rootDoc().get("point")), equalTo(mortonHash(1.3, 1.2)));
        }
    }

    @Test
    public void testLatLonInOneValue() throws Exception {
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
                .startObject("properties").startObject("point").field("type", "geo_point").field("lat_lon", false).endObject().endObject()
                .endObject().endObject().string();

        Version version = VersionUtils.randomVersionBetween(random(), Version.V_1_0_0, Version.CURRENT);
        Settings settings = Settings.settingsBuilder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
        DocumentMapper defaultMapper = createIndex("test", settings).mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));

        ParsedDocument doc = defaultMapper.parse("test", "type", "1", XContentFactory.jsonBuilder()
                .startObject()
                .field("point", "1.2,1.3")
                .endObject()
                .bytes());

        assertThat(doc.rootDoc().getField("point.lat"), nullValue());
        assertThat(doc.rootDoc().getField("point.lon"), nullValue());
        if (version.before(Version.V_2_2_0)) {
            assertThat(doc.rootDoc().get("point"), equalTo("1.2,1.3"));
        } else {
            assertThat(Long.parseLong(doc.rootDoc().get("point")), equalTo(mortonHash(1.3, 1.2)));
        }
    }

    @Test
    public void testGeoHashValue() throws Exception {
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
                .startObject("properties").startObject("point").field("type", "geo_point").field("geohash", true)
                .endObject().endObject().endObject().endObject().string();

        Version version = VersionUtils.randomVersionBetween(random(), Version.V_1_0_0, Version.CURRENT);
        Settings settings = Settings.settingsBuilder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
        DocumentMapper defaultMapper = createIndex("test", settings).mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));

        ParsedDocument doc = defaultMapper.parse("test", "type", "1", XContentFactory.jsonBuilder()
                .startObject()
                .field("point", stringEncode(1.3, 1.2))
                .endObject()
                .bytes());

        assertThat(doc.rootDoc().getField("point.lat"), nullValue());
        assertThat(doc.rootDoc().getField("point.lon"), nullValue());
        assertThat(doc.rootDoc().get("point.geohash"), equalTo(stringEncode(1.3, 1.2)));
        assertThat(doc.rootDoc().get("point"), notNullValue());
    }

    @Test
    public void testGeoHashPrecisionAsInteger() throws Exception {
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
                .startObject("properties").startObject("point").field("type", "geo_point").field("geohash", true)
                .field("geohash_precision", 10).endObject().endObject().endObject().endObject().string();

        Version version = VersionUtils.randomVersionBetween(random(), Version.V_1_0_0, Version.CURRENT);
        Settings settings = Settings.settingsBuilder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
        DocumentMapper defaultMapper = createIndex("test", settings).mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));
        FieldMapper mapper = defaultMapper.mappers().smartNameFieldMapper("point");
        assertThat(mapper, instanceOf(BaseGeoPointFieldMapper.class));
        BaseGeoPointFieldMapper geoPointFieldMapper = (BaseGeoPointFieldMapper) mapper;
        assertThat(geoPointFieldMapper.fieldType().geoHashPrecision(), is(10));
    }

    @Test
    public void testGeoHashPrecisionAsLength() throws Exception {
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
                .startObject("properties").startObject("point").field("type", "geo_point").field("geohash", true).field("geohash_precision", "5m").endObject().endObject()
                .endObject().endObject().string();

        Version version = VersionUtils.randomVersionBetween(random(), Version.V_1_0_0, Version.CURRENT);
        Settings settings = Settings.settingsBuilder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
        DocumentMapper defaultMapper = createIndex("test", settings).mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));
        FieldMapper mapper = defaultMapper.mappers().smartNameFieldMapper("point");
        assertThat(mapper, instanceOf(BaseGeoPointFieldMapper.class));
        BaseGeoPointFieldMapper geoPointFieldMapper = (BaseGeoPointFieldMapper) mapper;
        assertThat(geoPointFieldMapper.fieldType().geoHashPrecision(), is(10));
    }

    @Test
    public void testNullValue() throws Exception {
        String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
                .startObject("properties").startObject("point").field("type", "geo_point").endObject().endObject()
                .endObject().endObject().string();

        Version version = VersionUtils.randomVersionBetween(random(), Version.V_1_0_0, Version.CURRENT);
        Settings settings = Settings.settingsBuilder().put(IndexMetaData.SETTING_VERSION_CREATED, version).build();
        DocumentMapper defaultMapper = createIndex("test", settings).mapperService().documentMapperParser().parse("type", new CompressedXContent(mapping));

        ParsedDocument doc = defaultMapper.parse("test", "type", "1", XContentFactory.jsonBuilder()
                .startObject()
                .field("point", (Object) null)
                .endObject()
                .bytes());

        assertThat(doc.rootDoc().get("point"), nullValue());
    }
}