| /* |
| * 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 MockRAMDirectory = Lucene.Net.Store.MockRAMDirectory; |
| using RAMDirectory = Lucene.Net.Store.RAMDirectory; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| |
| namespace Lucene.Net.Index |
| { |
| |
| [TestFixture] |
| public class TestFilterIndexReader:LuceneTestCase |
| { |
| |
| private class TestReader:FilterIndexReader |
| { |
| |
| /// <summary>Filter that only permits terms containing 'e'.</summary> |
| private class TestTermEnum:FilterTermEnum |
| { |
| public TestTermEnum(TermEnum termEnum):base(termEnum) |
| { |
| } |
| |
| /// <summary>Scan for terms containing the letter 'e'.</summary> |
| public override bool Next() |
| { |
| while (in_Renamed.Next()) |
| { |
| if (in_Renamed.Term.Text.IndexOf('e') != - 1) |
| return true; |
| } |
| return false; |
| } |
| } |
| |
| /// <summary>Filter that only returns odd numbered documents. </summary> |
| private class TestTermPositions:FilterTermPositions |
| { |
| public TestTermPositions(TermPositions in_Renamed):base(in_Renamed) |
| { |
| } |
| |
| /// <summary>Scan for odd numbered documents. </summary> |
| public override bool Next() |
| { |
| while (in_Renamed.Next()) |
| { |
| if ((in_Renamed.Doc % 2) == 1) |
| return true; |
| } |
| return false; |
| } |
| } |
| |
| public TestReader(IndexReader reader):base(reader) |
| { |
| } |
| |
| /// <summary>Filter terms with TestTermEnum. </summary> |
| public override TermEnum Terms() |
| { |
| return new TestTermEnum(in_Renamed.Terms()); |
| } |
| |
| /// <summary>Filter positions with TestTermPositions. </summary> |
| public override TermPositions TermPositions() |
| { |
| return new TestTermPositions(in_Renamed.TermPositions()); |
| } |
| } |
| |
| |
| /// <summary>Main for running test case by itself. </summary> |
| [STAThread] |
| public static void Main(System.String[] args) |
| { |
| // TestRunner.run(new TestSuite(typeof(TestIndexReader))); // {{Aroush-2.9}} How do you do this in NUnit? |
| } |
| |
| /// <summary> Tests the IndexReader.getFieldNames implementation</summary> |
| /// <throws> Exception on error </throws> |
| [Test] |
| public virtual void TestFilterIndexReader_Renamed() |
| { |
| RAMDirectory directory = new MockRAMDirectory(); |
| IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED); |
| |
| Document d1 = new Document(); |
| d1.Add(new Field("default", "one two", Field.Store.YES, Field.Index.ANALYZED)); |
| writer.AddDocument(d1); |
| |
| Document d2 = new Document(); |
| d2.Add(new Field("default", "one three", Field.Store.YES, Field.Index.ANALYZED)); |
| writer.AddDocument(d2); |
| |
| Document d3 = new Document(); |
| d3.Add(new Field("default", "two four", Field.Store.YES, Field.Index.ANALYZED)); |
| writer.AddDocument(d3); |
| |
| writer.Close(); |
| |
| IndexReader reader = new TestReader(IndexReader.Open(directory, true)); |
| |
| Assert.IsTrue(reader.IsOptimized()); |
| |
| TermEnum terms = reader.Terms(); |
| while (terms.Next()) |
| { |
| Assert.IsTrue(terms.Term.Text.IndexOf('e') != - 1); |
| } |
| terms.Close(); |
| |
| TermPositions positions = reader.TermPositions(new Term("default", "one")); |
| while (positions.Next()) |
| { |
| Assert.IsTrue((positions.Doc % 2) == 1); |
| } |
| |
| int NUM_DOCS = 3; |
| |
| TermDocs td = reader.TermDocs(null); |
| for (int i = 0; i < NUM_DOCS; i++) |
| { |
| Assert.IsTrue(td.Next()); |
| Assert.AreEqual(i, td.Doc); |
| Assert.AreEqual(1, td.Freq); |
| } |
| td.Close(); |
| reader.Close(); |
| directory.Close(); |
| } |
| } |
| } |