114 lines
3.2 KiB
C#
114 lines
3.2 KiB
C#
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using NUnit.Framework;
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using WhitespaceAnalyzer = Lucene.Net.Analysis.WhitespaceAnalyzer;
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using Document = Lucene.Net.Documents.Document;
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using Field = Lucene.Net.Documents.Field;
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using IndexReader = Lucene.Net.Index.IndexReader;
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using IndexWriter = Lucene.Net.Index.IndexWriter;
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using Term = Lucene.Net.Index.Term;
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using RAMDirectory = Lucene.Net.Store.RAMDirectory;
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using LuceneTestCase = Lucene.Net.Util.LuceneTestCase;
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namespace Lucene.Net.Search
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{
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/// <summary> </summary>
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[TestFixture]
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public class TestBooleanPrefixQuery:LuceneTestCase
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{
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/*[STAThread]
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public static void Main(System.String[] args)
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{
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// TestRunner.run(suite()); // {{Aroush-2.9}} how is this done in NUnit?
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}*/
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/*public static Test suite()
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{
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return new TestSuite(typeof(TestBooleanPrefixQuery));
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}*/
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/*public TestBooleanPrefixQuery(System.String name):base(name)
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{
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}*/
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private int GetCount(IndexReader r, Query q)
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{
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if (q is BooleanQuery)
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{
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return ((BooleanQuery) q).GetClauses().Length;
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}
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else if (q is ConstantScoreQuery)
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{
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DocIdSetIterator iter = ((ConstantScoreQuery) q).Filter.GetDocIdSet(r).Iterator();
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int count = 0;
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while (iter.NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
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{
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count++;
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}
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return count;
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}
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else
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{
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throw new System.SystemException("unepxected query " + q);
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}
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}
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[Test]
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public virtual void TestMethod()
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{
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RAMDirectory directory = new RAMDirectory();
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System.String[] categories = new System.String[]{"food", "foodanddrink", "foodanddrinkandgoodtimes", "food and drink"};
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Query rw1 = null;
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Query rw2 = null;
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IndexReader reader = null;
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try
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{
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IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
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for (int i = 0; i < categories.Length; i++)
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{
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Document doc = new Document();
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doc.Add(new Field("category", categories[i], Field.Store.YES, Field.Index.NOT_ANALYZED));
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writer.AddDocument(doc);
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}
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writer.Close();
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reader = IndexReader.Open(directory, true);
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PrefixQuery query = new PrefixQuery(new Term("category", "foo"));
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rw1 = query.Rewrite(reader);
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BooleanQuery bq = new BooleanQuery();
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bq.Add(query, Occur.MUST);
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rw2 = bq.Rewrite(reader);
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}
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catch (System.IO.IOException e)
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{
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Assert.Fail(e.Message);
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}
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Assert.AreEqual(GetCount(reader, rw1), GetCount(reader, rw2), "Number of Clauses Mismatch");
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}
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}
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} |