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/*
* Licensed to Elasticsearch 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.index.query;
import com.spatial4j.core.shape.Point;
import org.apache.lucene.index.Term;
import org.apache.lucene.queries.TermsQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.TermQuery;
import org.elasticsearch.common.geo.GeoPoint;
import org.elasticsearch.common.unit.DistanceUnit;
import org.elasticsearch.index.mapper.geo.GeoPointFieldMapper;
import org.elasticsearch.index.query.GeohashCellQuery.Builder;
import org.elasticsearch.test.geo.RandomShapeGenerator;
import java.io.IOException;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
public class GeohashCellQueryBuilderTests extends AbstractQueryTestCase<Builder> {
@Override
protected Builder doCreateTestQueryBuilder() {
GeohashCellQuery.Builder builder = new Builder(GEO_POINT_FIELD_NAME, randomGeohash(1, 12));
if (randomBoolean()) {
builder.neighbors(randomBoolean());
}
if (randomBoolean()) {
if (randomBoolean()) {
builder.precision(randomIntBetween(1, 12));
} else {
builder.precision(randomIntBetween(1, 1000000) + randomFrom(DistanceUnit.values()).toString());
}
}
return builder;
}
@Override
protected void doAssertLuceneQuery(Builder queryBuilder, Query query, QueryShardContext context) throws IOException {
if (queryBuilder.neighbors()) {
assertThat(query, instanceOf(TermsQuery.class));
} else {
assertThat(query, instanceOf(TermQuery.class));
TermQuery termQuery = (TermQuery) query;
Term term = termQuery.getTerm();
assertThat(term.field(), equalTo(queryBuilder.fieldName() + GeoPointFieldMapper.Names.GEOHASH_SUFFIX));
String geohash = queryBuilder.geohash();
if (queryBuilder.precision() != null) {
int len = Math.min(queryBuilder.precision(), geohash.length());
geohash = geohash.substring(0, len);
}
assertThat(term.text(), equalTo(geohash));
}
}
/**
* Overridden here to ensure the test is only run if at least one type is
* present in the mappings. Geo queries do not execute if the field is not
* explicitly mapped
*/
@Override
public void testToQuery() throws IOException {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
super.testToQuery();
}
public void testNullField() {
try {
if (randomBoolean()) {
new Builder(null, new GeoPoint());
} else {
new Builder("", new GeoPoint());
}
fail("Expected IllegalArgumentException");
} catch (IllegalArgumentException e) {
assertThat(e.getMessage(), is("fieldName must not be null"));
}
}
public void testNullGeoPoint() {
try {
if (randomBoolean()) {
new Builder(GEO_POINT_FIELD_NAME, (GeoPoint) null);
} else {
new Builder(GEO_POINT_FIELD_NAME, "");
}
fail("Expected IllegalArgumentException");
} catch (IllegalArgumentException e) {
assertThat(e.getMessage(), is("geohash or point must be defined"));
}
}
public void testInvalidPrecision() {
GeohashCellQuery.Builder builder = new Builder(GEO_POINT_FIELD_NAME, new GeoPoint());
try {
builder.precision(-1);
fail("Expected IllegalArgumentException");
} catch (IllegalArgumentException e) {
assertThat(e.getMessage(), containsString("precision must be greater than 0"));
}
}
public void testLocationParsing() throws IOException {
Point point = RandomShapeGenerator.xRandomPoint(getRandom());
Builder pointTestBuilder = new GeohashCellQuery.Builder("pin", new GeoPoint(point.getY(), point.getX()));
String pointTest1 = "{\"geohash_cell\": {\"pin\": {\"lat\": " + point.getY() + ",\"lon\": " + point.getX() + "}}}";
assertParsedQuery(pointTest1, pointTestBuilder);
String pointTest2 = "{\"geohash_cell\": {\"pin\": \"" + point.getY() + "," + point.getX() + "\"}}";
assertParsedQuery(pointTest2, pointTestBuilder);
String pointTest3 = "{\"geohash_cell\": {\"pin\": [" + point.getX() + "," + point.getY() + "]}}";
assertParsedQuery(pointTest3, pointTestBuilder);
}
public void testFromJson() throws IOException {
String json =
"{\n" +
" \"geohash_cell\" : {\n" +
" \"neighbors\" : true,\n" +
" \"precision\" : 3,\n" +
" \"pin\" : \"t4mk70fgk067\",\n" +
" \"boost\" : 1.0\n" +
" }\n" +
"}";
GeohashCellQuery.Builder parsed = (GeohashCellQuery.Builder) parseQuery(json);
checkGeneratedJson(json, parsed);
assertEquals(json, 3, parsed.precision().intValue());
}
}
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