| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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.apache.lucene.monitor; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.search.BooleanClause; |
| import org.apache.lucene.search.BooleanQuery; |
| import org.apache.lucene.search.BoostQuery; |
| import org.apache.lucene.search.ConstantScoreQuery; |
| import org.apache.lucene.search.DisjunctionMaxQuery; |
| import org.apache.lucene.search.PhraseQuery; |
| import org.apache.lucene.search.Query; |
| import org.apache.lucene.search.TermQuery; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestExtractors extends LuceneTestCase { |
| |
| private static final QueryAnalyzer treeBuilder = new QueryAnalyzer(); |
| |
| private Set<Term> collectTerms(Query query) { |
| Set<Term> terms = new HashSet<>(); |
| QueryTree tree = treeBuilder.buildTree(query, TermWeightor.DEFAULT); |
| tree.collectTerms((f, b) -> terms.add(new Term(f, b))); |
| return terms; |
| } |
| |
| public void testConstantScoreQueryExtractor() { |
| |
| BooleanQuery.Builder bq = new BooleanQuery.Builder(); |
| bq.add(new TermQuery(new Term("f", "q1")), BooleanClause.Occur.MUST); |
| bq.add(new TermQuery(new Term("f", "q2")), BooleanClause.Occur.SHOULD); |
| |
| Query csqWithQuery = new ConstantScoreQuery(bq.build()); |
| Set<Term> expected = Collections.singleton(new Term("f", "q1")); |
| assertEquals(expected, collectTerms(csqWithQuery)); |
| |
| } |
| |
| public void testPhraseQueryExtractor() { |
| |
| PhraseQuery.Builder pq = new PhraseQuery.Builder(); |
| pq.add(new Term("f", "hello")); |
| pq.add(new Term("f", "encyclopedia")); |
| |
| Set<Term> expected = Collections.singleton(new Term("f", "encyclopedia")); |
| assertEquals(expected, collectTerms(pq.build())); |
| |
| } |
| |
| public void testBoostQueryExtractor() { |
| |
| BooleanQuery.Builder bq = new BooleanQuery.Builder(); |
| bq.add(new TermQuery(new Term("f", "q1")), BooleanClause.Occur.MUST); |
| bq.add(new TermQuery(new Term("f", "q2")), BooleanClause.Occur.SHOULD); |
| |
| Query boostQuery = new BoostQuery(bq.build(), 0.5f); |
| Set<Term> expected = Collections.singleton(new Term("f", "q1")); |
| assertEquals(expected, collectTerms(boostQuery)); |
| } |
| |
| public void testDisjunctionMaxExtractor() { |
| |
| Query query = new DisjunctionMaxQuery( |
| Arrays.asList(new TermQuery(new Term("f", "t1")), new TermQuery(new Term("f", "t2"))), 0.1f |
| ); |
| Set<Term> expected = new HashSet<>(Arrays.asList( |
| new Term("f", "t1"), |
| new Term("f", "t2") |
| )); |
| assertEquals(expected, collectTerms(query)); |
| } |
| |
| public void testBooleanExtractsFilter() { |
| Query q = new BooleanQuery.Builder() |
| .add(new TermQuery(new Term("f", "must")), BooleanClause.Occur.MUST) |
| .add(new TermQuery(new Term("f", "filter")), BooleanClause.Occur.FILTER) |
| .build(); |
| Set<Term> expected = Collections.singleton(new Term("f", "filter")); // it's longer, so it wins |
| assertEquals(expected, collectTerms(q)); |
| } |
| |
| |
| } |