| /* |
| * 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. |
| */ |
| |
| using System; |
| |
| using NUnit.Framework; |
| |
| using WhitespaceAnalyzer = Lucene.Net.Analysis.WhitespaceAnalyzer; |
| using Document = Lucene.Net.Documents.Document; |
| using Field = Lucene.Net.Documents.Field; |
| using IndexReader = Lucene.Net.Index.IndexReader; |
| using IndexWriter = Lucene.Net.Index.IndexWriter; |
| using Term = Lucene.Net.Index.Term; |
| using Directory = Lucene.Net.Store.Directory; |
| using MockRAMDirectory = Lucene.Net.Store.MockRAMDirectory; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| |
| namespace Lucene.Net.Search |
| { |
| |
| [TestFixture] |
| public class TestBooleanQuery:LuceneTestCase |
| { |
| |
| [Test] |
| public virtual void TestEquality() |
| { |
| BooleanQuery bq1 = new BooleanQuery(); |
| bq1.Add(new TermQuery(new Term("field", "value1")), Occur.SHOULD); |
| bq1.Add(new TermQuery(new Term("field", "value2")), Occur.SHOULD); |
| BooleanQuery nested1 = new BooleanQuery(); |
| nested1.Add(new TermQuery(new Term("field", "nestedvalue1")), Occur.SHOULD); |
| nested1.Add(new TermQuery(new Term("field", "nestedvalue2")), Occur.SHOULD); |
| bq1.Add(nested1, Occur.SHOULD); |
| |
| BooleanQuery bq2 = new BooleanQuery(); |
| bq2.Add(new TermQuery(new Term("field", "value1")), Occur.SHOULD); |
| bq2.Add(new TermQuery(new Term("field", "value2")), Occur.SHOULD); |
| BooleanQuery nested2 = new BooleanQuery(); |
| nested2.Add(new TermQuery(new Term("field", "nestedvalue1")), Occur.SHOULD); |
| nested2.Add(new TermQuery(new Term("field", "nestedvalue2")), Occur.SHOULD); |
| bq2.Add(nested2, Occur.SHOULD); |
| |
| Assert.AreEqual(bq1, bq2); |
| } |
| |
| [Test] |
| public virtual void TestException() |
| { |
| Assert.Throws<ArgumentException>(() => BooleanQuery.MaxClauseCount = 0); |
| } |
| |
| // LUCENE-1630 |
| [Test] |
| public virtual void TestNullOrSubScorer() |
| { |
| Directory dir = new MockRAMDirectory(); |
| IndexWriter w = new IndexWriter(dir, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED); |
| Document doc = new Document(); |
| doc.Add(new Field("field", "a b c d", Field.Store.NO, Field.Index.ANALYZED)); |
| w.AddDocument(doc); |
| |
| IndexReader r = w.GetReader(); |
| IndexSearcher s = new IndexSearcher(r); |
| BooleanQuery q = new BooleanQuery(); |
| q.Add(new TermQuery(new Term("field", "a")), Occur.SHOULD); |
| |
| // LUCENE-2617: make sure that a term not in the index still contributes to the score via coord factor |
| float score = s.Search(q, 10).MaxScore; |
| Query subQuery = new TermQuery(new Term("field", "not_in_index")); |
| subQuery.Boost = 0; |
| q.Add(subQuery, Occur.SHOULD); |
| float score2 = s.Search(q, 10).MaxScore; |
| Assert.AreEqual(score * .5, score2, 1e-6); |
| |
| // LUCENE-2617: make sure that a clause not in the index still contributes to the score via coord factor |
| BooleanQuery qq = (BooleanQuery)q.Clone(); |
| PhraseQuery phrase = new PhraseQuery(); |
| phrase.Add(new Term("field", "not_in_index")); |
| phrase.Add(new Term("field", "another_not_in_index")); |
| phrase.Boost = 0; |
| qq.Add(phrase, Occur.SHOULD); |
| score2 = s.Search(qq, 10).MaxScore; |
| Assert.AreEqual(score * (1.0 / 3), score2, 1e-6); |
| |
| // now test BooleanScorer2 |
| subQuery = new TermQuery(new Term("field", "b")); |
| subQuery.Boost = 0; |
| q.Add(subQuery, Occur.MUST); |
| score2 = s.Search(q, 10).MaxScore; |
| Assert.AreEqual(score * (2.0 / 3), score2, 1e-6); |
| |
| // PhraseQuery w/ no terms added returns a null scorer |
| PhraseQuery pq = new PhraseQuery(); |
| q.Add(pq, Occur.SHOULD); |
| Assert.AreEqual(1, s.Search(q, 10).TotalHits); |
| |
| // A required clause which returns null scorer should return null scorer to |
| // IndexSearcher. |
| q = new BooleanQuery(); |
| pq = new PhraseQuery(); |
| q.Add(new TermQuery(new Term("field", "a")), Occur.SHOULD); |
| q.Add(pq, Occur.MUST); |
| Assert.AreEqual(0, s.Search(q, 10).TotalHits); |
| |
| DisjunctionMaxQuery dmq = new DisjunctionMaxQuery(1.0f); |
| dmq.Add(new TermQuery(new Term("field", "a"))); |
| dmq.Add(pq); |
| Assert.AreEqual(1, s.Search(dmq, 10).TotalHits); |
| |
| r.Close(); |
| w.Close(); |
| dir.Close(); |
| } |
| } |
| } |