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* the Apache License, Version 2.0 (the "License"); you may
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* 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,
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package org.elasticsearch.index.query;
import org.apache.lucene.queries.BoostingQuery;
import org.apache.lucene.search.Query;
import org.elasticsearch.search.internal.SearchContext;
import org.elasticsearch.test.AbstractQueryTestCase;
import java.io.IOException;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.CoreMatchers.nullValue;
public class BoostingQueryBuilderTests extends AbstractQueryTestCase<BoostingQueryBuilder> {
@Override
protected BoostingQueryBuilder doCreateTestQueryBuilder() {
BoostingQueryBuilder query = new BoostingQueryBuilder(RandomQueryBuilder.createQuery(random()), RandomQueryBuilder.createQuery(random()));
query.negativeBoost(2.0f / randomIntBetween(1, 20));
return query;
}
@Override
protected void doAssertLuceneQuery(BoostingQueryBuilder queryBuilder, Query query, SearchContext context) throws IOException {
Query positive = queryBuilder.positiveQuery().toQuery(context.getQueryShardContext());
Query negative = queryBuilder.negativeQuery().toQuery(context.getQueryShardContext());
if (positive == null || negative == null) {
assertThat(query, nullValue());
} else {
assertThat(query, instanceOf(BoostingQuery.class));
}
}
public void testIllegalArguments() {
expectThrows(IllegalArgumentException.class, () -> new BoostingQueryBuilder(null, new MatchAllQueryBuilder()));
expectThrows(IllegalArgumentException.class, () -> new BoostingQueryBuilder(new MatchAllQueryBuilder(), null));
expectThrows(IllegalArgumentException.class,
() -> new BoostingQueryBuilder(new MatchAllQueryBuilder(), new MatchAllQueryBuilder()).negativeBoost(-1.0f));
}
public void testFromJson() throws IOException {
String query =
"{\n" +
" \"boosting\" : {\n" +
" \"positive\" : {\n" +
" \"term\" : {\n" +
" \"field1\" : {\n" +
" \"value\" : \"value1\",\n" +
" \"boost\" : 5.0\n" +
" }\n" +
" }\n" +
" },\n" +
" \"negative\" : {\n" +
" \"term\" : {\n" +
" \"field2\" : {\n" +
" \"value\" : \"value2\",\n" +
" \"boost\" : 8.0\n" +
" }\n" +
" }\n" +
" },\n" +
" \"negative_boost\" : 23.0,\n" +
" \"boost\" : 42.0\n" +
" }\n" +
"}";
BoostingQueryBuilder queryBuilder = (BoostingQueryBuilder) parseQuery(query);
checkGeneratedJson(query, queryBuilder);
assertEquals(query, 42, queryBuilder.boost(), 0.00001);
assertEquals(query, 23, queryBuilder.negativeBoost(), 0.00001);
assertEquals(query, 8, queryBuilder.negativeQuery().boost(), 0.00001);
assertEquals(query, 5, queryBuilder.positiveQuery().boost(), 0.00001);
}
public void testRewrite() throws IOException {
QueryBuilder positive = randomBoolean() ? new MatchAllQueryBuilder() : new WrapperQueryBuilder(new TermQueryBuilder("pos", "bar").toString());
QueryBuilder negative = randomBoolean() ? new MatchAllQueryBuilder() : new WrapperQueryBuilder(new TermQueryBuilder("neg", "bar").toString());
BoostingQueryBuilder qb = new BoostingQueryBuilder(positive, negative);
QueryBuilder rewrite = qb.rewrite(createShardContext());
if (positive instanceof MatchAllQueryBuilder && negative instanceof MatchAllQueryBuilder) {
assertSame(rewrite, qb);
} else {
assertNotSame(rewrite, qb);
assertEquals(new BoostingQueryBuilder(positive.rewrite(createShardContext()), negative.rewrite(createShardContext())), rewrite);
}
}
}