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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.search.aggregations.bucket.significant;
import org.apache.lucene.index.IndexOptions;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.MultiReader;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.elasticsearch.index.mapper.KeywordFieldMapper;
import org.elasticsearch.index.mapper.MappedFieldType;
import org.elasticsearch.index.query.QueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.aggregations.AggregatorFactory;
import org.elasticsearch.search.aggregations.AggregatorTestCase;
import org.elasticsearch.search.aggregations.support.ValueType;
import org.hamcrest.Matchers;
import org.junit.Before;
import java.io.IOException;
public class SignificantTermsAggregatorTests extends AggregatorTestCase {
private MappedFieldType fieldType;
@Before
public void setUpTest() throws Exception {
super.setUp();
fieldType = new KeywordFieldMapper.KeywordFieldType();
fieldType.setHasDocValues(true);
fieldType.setIndexOptions(IndexOptions.DOCS);
fieldType.setName("field");
}
public void testParsedAsFilter() throws IOException {
IndexReader indexReader = new MultiReader();
IndexSearcher indexSearcher = newSearcher(indexReader);
QueryBuilder filter = QueryBuilders.boolQuery()
.must(QueryBuilders.termQuery("field", "foo"))
.should(QueryBuilders.termQuery("field", "bar"));
SignificantTermsAggregationBuilder builder = new SignificantTermsAggregationBuilder(
"test", ValueType.STRING)
.field("field")
.backgroundFilter(filter);
AggregatorFactory<?> factory = createAggregatorFactory(builder, indexSearcher, fieldType);
assertThat(factory, Matchers.instanceOf(SignificantTermsAggregatorFactory.class));
SignificantTermsAggregatorFactory sigTermsFactory =
(SignificantTermsAggregatorFactory) factory;
Query parsedQuery = sigTermsFactory.filter;
assertThat(parsedQuery, Matchers.instanceOf(BooleanQuery.class));
assertEquals(2, ((BooleanQuery) parsedQuery).clauses().size());
// means the bool query has been parsed as a filter, if it was a query minShouldMatch would
// be 0
assertEquals(1, ((BooleanQuery) parsedQuery).getMinimumNumberShouldMatch());
}
}