| /* |
| * 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 SimpleAnalyzer = Lucene.Net.Analysis.SimpleAnalyzer; |
| 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 TermEnum = Lucene.Net.Index.TermEnum; |
| using RAMDirectory = Lucene.Net.Store.RAMDirectory; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| |
| namespace Lucene.Net.Search |
| { |
| |
| /// <summary>This class tests PhrasePrefixQuery class.</summary> |
| [TestFixture] |
| public class TestPhrasePrefixQuery:LuceneTestCase |
| { |
| /*public TestPhrasePrefixQuery(System.String name):base(name) |
| { |
| }*/ |
| |
| /// <summary> </summary> |
| [Test] |
| public virtual void TestPhrasePrefix() |
| { |
| RAMDirectory indexStore = new RAMDirectory(); |
| IndexWriter writer = new IndexWriter(indexStore, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED); |
| Document doc1 = new Document(); |
| Document doc2 = new Document(); |
| Document doc3 = new Document(); |
| Document doc4 = new Document(); |
| Document doc5 = new Document(); |
| doc1.Add(new Field("body", "blueberry pie", Field.Store.YES, Field.Index.ANALYZED)); |
| doc2.Add(new Field("body", "blueberry strudel", Field.Store.YES, Field.Index.ANALYZED)); |
| doc3.Add(new Field("body", "blueberry pizza", Field.Store.YES, Field.Index.ANALYZED)); |
| doc4.Add(new Field("body", "blueberry chewing gum", Field.Store.YES, Field.Index.ANALYZED)); |
| doc5.Add(new Field("body", "piccadilly circus", Field.Store.YES, Field.Index.ANALYZED)); |
| writer.AddDocument(doc1); |
| writer.AddDocument(doc2); |
| writer.AddDocument(doc3); |
| writer.AddDocument(doc4); |
| writer.AddDocument(doc5); |
| writer.Optimize(); |
| writer.Close(); |
| |
| IndexSearcher searcher = new IndexSearcher(indexStore, true); |
| |
| //PhrasePrefixQuery query1 = new PhrasePrefixQuery(); |
| MultiPhraseQuery query1 = new MultiPhraseQuery(); |
| //PhrasePrefixQuery query2 = new PhrasePrefixQuery(); |
| MultiPhraseQuery query2 = new MultiPhraseQuery(); |
| query1.Add(new Term("body", "blueberry")); |
| query2.Add(new Term("body", "strawberry")); |
| |
| System.Collections.ArrayList termsWithPrefix = new System.Collections.ArrayList(); |
| IndexReader ir = IndexReader.Open(indexStore, true); |
| |
| // this TermEnum gives "piccadilly", "pie" and "pizza". |
| System.String prefix = "pi"; |
| TermEnum te = ir.Terms(new Term("body", prefix + "*")); |
| do |
| { |
| if (te.Term.Text.StartsWith(prefix)) |
| { |
| termsWithPrefix.Add(te.Term); |
| } |
| } |
| while (te.Next()); |
| |
| query1.Add((Term[]) termsWithPrefix.ToArray(typeof(Term))); |
| query2.Add((Term[]) termsWithPrefix.ToArray(typeof(Term))); |
| |
| ScoreDoc[] result; |
| result = searcher.Search(query1, null, 1000).ScoreDocs; |
| Assert.AreEqual(2, result.Length); |
| |
| result = searcher.Search(query2, null, 1000).ScoreDocs; |
| Assert.AreEqual(0, result.Length); |
| } |
| } |
| } |