430 lines
14 KiB
C#
430 lines
14 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 Lucene.Net.Analysis.Tokenattributes;
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using Lucene.Net.Documents;
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using Lucene.Net.Util;
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using NUnit.Framework;
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using Analyzer = Lucene.Net.Analysis.Analyzer;
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using SimpleAnalyzer = Lucene.Net.Analysis.SimpleAnalyzer;
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using TokenFilter = Lucene.Net.Analysis.TokenFilter;
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using TokenStream = Lucene.Net.Analysis.TokenStream;
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using WhitespaceAnalyzer = Lucene.Net.Analysis.WhitespaceAnalyzer;
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using WhitespaceTokenizer = Lucene.Net.Analysis.WhitespaceTokenizer;
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using StandardAnalyzer = Lucene.Net.Analysis.Standard.StandardAnalyzer;
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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 Index = Lucene.Net.Documents.Field.Index;
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using Store = Lucene.Net.Documents.Field.Store;
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using TermVector = Lucene.Net.Documents.Field.TermVector;
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using RAMDirectory = Lucene.Net.Store.RAMDirectory;
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using AttributeSource = Lucene.Net.Util.AttributeSource;
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using BaseTokenStreamTestCase = Lucene.Net.Test.Analysis.BaseTokenStreamTestCase;
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using _TestUtil = Lucene.Net.Util._TestUtil;
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namespace Lucene.Net.Index
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{
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[TestFixture]
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public class TestDocumentWriter : LuceneTestCase
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{
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private class AnonymousClassAnalyzer:Analyzer
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{
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public AnonymousClassAnalyzer(TestDocumentWriter enclosingInstance)
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{
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InitBlock(enclosingInstance);
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}
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private void InitBlock(TestDocumentWriter enclosingInstance)
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{
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this.enclosingInstance = enclosingInstance;
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}
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private TestDocumentWriter enclosingInstance;
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public TestDocumentWriter Enclosing_Instance
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{
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get
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{
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return enclosingInstance;
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}
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}
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public override TokenStream TokenStream(System.String fieldName, System.IO.TextReader reader)
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{
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return new WhitespaceTokenizer(reader);
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}
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public override int GetPositionIncrementGap(System.String fieldName)
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{
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return 500;
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}
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}
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private class AnonymousClassAnalyzer1:Analyzer
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{
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public AnonymousClassAnalyzer1(TestDocumentWriter enclosingInstance)
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{
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InitBlock(enclosingInstance);
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}
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private class AnonymousClassTokenFilter:TokenFilter
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{
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private void InitBlock(AnonymousClassAnalyzer1 enclosingInstance)
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{
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this.enclosingInstance = enclosingInstance;
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termAtt = AddAttribute<ITermAttribute>();
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payloadAtt = AddAttribute<IPayloadAttribute>();
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posIncrAtt = AddAttribute<IPositionIncrementAttribute>();
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}
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private AnonymousClassAnalyzer1 enclosingInstance;
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public AnonymousClassAnalyzer1 Enclosing_Instance
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{
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get
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{
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return enclosingInstance;
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}
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}
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internal AnonymousClassTokenFilter(AnonymousClassAnalyzer1 enclosingInstance, Lucene.Net.Analysis.TokenStream Param1):base(Param1)
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{
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InitBlock(enclosingInstance);
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}
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internal bool first = true;
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internal AttributeSource.State state;
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public override bool IncrementToken()
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{
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if (state != null)
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{
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RestoreState(state);
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payloadAtt.Payload = null;
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posIncrAtt.PositionIncrement = 0;
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termAtt.SetTermBuffer(new char[]{'b'}, 0, 1);
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state = null;
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return true;
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}
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bool hasNext = input.IncrementToken();
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if (!hasNext)
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return false;
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if (System.Char.IsDigit(termAtt.TermBuffer()[0]))
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{
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posIncrAtt.PositionIncrement = termAtt.TermBuffer()[0] - '0';
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}
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if (first)
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{
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// set payload on first position only
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payloadAtt.Payload = new Payload(new byte[]{100});
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first = false;
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}
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// index a "synonym" for every token
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state = CaptureState();
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return true;
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}
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internal ITermAttribute termAtt;
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internal IPayloadAttribute payloadAtt;
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internal IPositionIncrementAttribute posIncrAtt;
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}
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private void InitBlock(TestDocumentWriter enclosingInstance)
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{
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this.enclosingInstance = enclosingInstance;
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}
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private TestDocumentWriter enclosingInstance;
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public TestDocumentWriter Enclosing_Instance
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{
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get
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{
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return enclosingInstance;
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}
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}
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public override TokenStream TokenStream(System.String fieldName, System.IO.TextReader reader)
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{
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return new AnonymousClassTokenFilter(this, new WhitespaceTokenizer(reader));
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}
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}
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private class AnonymousClassTokenStream:TokenStream
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{
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public AnonymousClassTokenStream(TestDocumentWriter enclosingInstance)
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{
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InitBlock(enclosingInstance);
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}
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private void InitBlock(TestDocumentWriter enclosingInstance)
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{
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this.enclosingInstance = enclosingInstance;
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termAtt = AddAttribute<ITermAttribute>();
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}
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private TestDocumentWriter enclosingInstance;
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public TestDocumentWriter Enclosing_Instance
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{
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get
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{
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return enclosingInstance;
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}
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}
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private System.String[] tokens = new System.String[]{"term1", "term2", "term3", "term2"};
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private int index = 0;
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private ITermAttribute termAtt;
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public override bool IncrementToken()
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{
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if (index == tokens.Length)
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{
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return false;
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}
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else
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{
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ClearAttributes();
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termAtt.SetTermBuffer(tokens[index++]);
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return true;
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}
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}
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protected override void Dispose(bool disposing)
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{
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// Do Nothing
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}
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}
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private RAMDirectory dir;
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public TestDocumentWriter(System.String s):base(s)
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{
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}
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public TestDocumentWriter() : base("")
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{
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}
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[SetUp]
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public override void SetUp()
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{
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base.SetUp();
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dir = new RAMDirectory();
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}
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[Test]
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public virtual void Test()
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{
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Assert.IsTrue(dir != null);
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}
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[Test]
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public virtual void TestAddDocument()
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{
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Document testDoc = new Document();
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DocHelper.SetupDoc(testDoc);
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Analyzer analyzer = new WhitespaceAnalyzer();
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IndexWriter writer = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
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writer.AddDocument(testDoc);
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writer.Commit();
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SegmentInfo info = writer.NewestSegment();
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writer.Close();
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//After adding the document, we should be able to read it back in
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SegmentReader reader = SegmentReader.Get(true, info, IndexReader.DEFAULT_TERMS_INDEX_DIVISOR);
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Assert.IsTrue(reader != null);
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Document doc = reader.Document(0);
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Assert.IsTrue(doc != null);
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//System.out.println("Document: " + doc);
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IFieldable[] fields = doc.GetFields("textField2");
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Assert.IsTrue(fields != null && fields.Length == 1);
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Assert.IsTrue(fields[0].StringValue.Equals(DocHelper.FIELD_2_TEXT));
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Assert.IsTrue(fields[0].IsTermVectorStored);
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fields = doc.GetFields("textField1");
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Assert.IsTrue(fields != null && fields.Length == 1);
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Assert.IsTrue(fields[0].StringValue.Equals(DocHelper.FIELD_1_TEXT));
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Assert.IsFalse(fields[0].IsTermVectorStored);
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fields = doc.GetFields("keyField");
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Assert.IsTrue(fields != null && fields.Length == 1);
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Assert.IsTrue(fields[0].StringValue.Equals(DocHelper.KEYWORD_TEXT));
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fields = doc.GetFields(DocHelper.NO_NORMS_KEY);
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Assert.IsTrue(fields != null && fields.Length == 1);
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Assert.IsTrue(fields[0].StringValue.Equals(DocHelper.NO_NORMS_TEXT));
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fields = doc.GetFields(DocHelper.TEXT_FIELD_3_KEY);
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Assert.IsTrue(fields != null && fields.Length == 1);
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Assert.IsTrue(fields[0].StringValue.Equals(DocHelper.FIELD_3_TEXT));
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// test that the norms are not present in the segment if
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// omitNorms is true
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for (int i = 0; i < reader.core_ForNUnit.fieldInfos_ForNUnit.Size(); i++)
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{
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FieldInfo fi = reader.core_ForNUnit.fieldInfos_ForNUnit.FieldInfo(i);
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if (fi.isIndexed_ForNUnit)
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{
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Assert.IsTrue(fi.omitNorms_ForNUnit == !reader.HasNorms(fi.name_ForNUnit));
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}
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}
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}
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[Test]
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public virtual void TestPositionIncrementGap()
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{
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Analyzer analyzer = new AnonymousClassAnalyzer(this);
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IndexWriter writer = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
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Document doc = new Document();
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doc.Add(new Field("repeated", "repeated one", Field.Store.YES, Field.Index.ANALYZED));
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doc.Add(new Field("repeated", "repeated two", Field.Store.YES, Field.Index.ANALYZED));
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writer.AddDocument(doc);
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writer.Commit();
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SegmentInfo info = writer.NewestSegment();
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writer.Close();
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SegmentReader reader = SegmentReader.Get(true, info, IndexReader.DEFAULT_TERMS_INDEX_DIVISOR);
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TermPositions termPositions = reader.TermPositions(new Term("repeated", "repeated"));
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Assert.IsTrue(termPositions.Next());
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int freq = termPositions.Freq;
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Assert.AreEqual(2, freq);
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Assert.AreEqual(0, termPositions.NextPosition());
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Assert.AreEqual(502, termPositions.NextPosition());
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}
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[Test]
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public virtual void TestTokenReuse()
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{
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Analyzer analyzer = new AnonymousClassAnalyzer1(this);
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IndexWriter writer = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
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Document doc = new Document();
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doc.Add(new Field("f1", "a 5 a a", Field.Store.YES, Field.Index.ANALYZED));
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writer.AddDocument(doc);
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writer.Commit();
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SegmentInfo info = writer.NewestSegment();
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writer.Close();
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SegmentReader reader = SegmentReader.Get(true, info, IndexReader.DEFAULT_TERMS_INDEX_DIVISOR);
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TermPositions termPositions = reader.TermPositions(new Term("f1", "a"));
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Assert.IsTrue(termPositions.Next());
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int freq = termPositions.Freq;
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Assert.AreEqual(3, freq);
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Assert.AreEqual(0, termPositions.NextPosition());
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Assert.AreEqual(true, termPositions.IsPayloadAvailable);
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Assert.AreEqual(6, termPositions.NextPosition());
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Assert.AreEqual(false, termPositions.IsPayloadAvailable);
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Assert.AreEqual(7, termPositions.NextPosition());
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Assert.AreEqual(false, termPositions.IsPayloadAvailable);
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}
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[Test]
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public virtual void TestPreAnalyzedField()
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{
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IndexWriter writer = new IndexWriter(dir, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
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Document doc = new Document();
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doc.Add(new Field("preanalyzed", new AnonymousClassTokenStream(this), TermVector.NO));
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writer.AddDocument(doc);
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writer.Commit();
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SegmentInfo info = writer.NewestSegment();
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writer.Close();
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SegmentReader reader = SegmentReader.Get(true, info, IndexReader.DEFAULT_TERMS_INDEX_DIVISOR);
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TermPositions termPositions = reader.TermPositions(new Term("preanalyzed", "term1"));
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Assert.IsTrue(termPositions.Next());
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Assert.AreEqual(1, termPositions.Freq);
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Assert.AreEqual(0, termPositions.NextPosition());
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termPositions.Seek(new Term("preanalyzed", "term2"));
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Assert.IsTrue(termPositions.Next());
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Assert.AreEqual(2, termPositions.Freq);
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Assert.AreEqual(1, termPositions.NextPosition());
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Assert.AreEqual(3, termPositions.NextPosition());
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termPositions.Seek(new Term("preanalyzed", "term3"));
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Assert.IsTrue(termPositions.Next());
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Assert.AreEqual(1, termPositions.Freq);
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Assert.AreEqual(2, termPositions.NextPosition());
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}
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/// <summary> Test adding two fields with the same name, but
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/// with different term vector setting (LUCENE-766).
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/// </summary>
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[Test]
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public virtual void TestMixedTermVectorSettingsSameField()
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{
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Document doc = new Document();
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// f1 first without tv then with tv
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doc.Add(new Field("f1", "v1", Field.Store.YES, Field.Index.NOT_ANALYZED, TermVector.NO));
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doc.Add(new Field("f1", "v2", Field.Store.YES, Field.Index.NOT_ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
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// f2 first with tv then without tv
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doc.Add(new Field("f2", "v1", Field.Store.YES, Field.Index.NOT_ANALYZED, TermVector.WITH_POSITIONS_OFFSETS));
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doc.Add(new Field("f2", "v2", Field.Store.YES, Field.Index.NOT_ANALYZED, TermVector.NO));
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IndexWriter writer = new IndexWriter(dir, new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_CURRENT), true,
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IndexWriter.MaxFieldLength.LIMITED);
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writer.AddDocument(doc);
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writer.Close();
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_TestUtil.CheckIndex(dir);
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IndexReader reader = IndexReader.Open(dir, true);
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// f1
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ITermFreqVector tfv1 = reader.GetTermFreqVector(0, "f1");
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Assert.IsNotNull(tfv1);
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Assert.AreEqual(2, tfv1.GetTerms().Length, "the 'with_tv' setting should rule!");
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// f2
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ITermFreqVector tfv2 = reader.GetTermFreqVector(0, "f2");
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Assert.IsNotNull(tfv2);
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Assert.AreEqual(2, tfv2.GetTerms().Length, "the 'with_tv' setting should rule!");
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}
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/// <summary> Test adding two fields with the same name, one indexed
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/// the other stored only. The omitNorms and omitTermFreqAndPositions setting
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/// of the stored field should not affect the indexed one (LUCENE-1590)
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/// </summary>
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[Test]
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public virtual void TestLUCENE_1590()
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{
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Document doc = new Document();
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// f1 has no norms
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doc.Add(new Field("f1", "v1", Field.Store.NO, Field.Index.ANALYZED_NO_NORMS));
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doc.Add(new Field("f1", "v2", Field.Store.YES, Field.Index.NO));
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// f2 has no TF
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Field f = new Field("f2", "v1", Field.Store.NO, Field.Index.ANALYZED);
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f.OmitTermFreqAndPositions = true;
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doc.Add(f);
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doc.Add(new Field("f2", "v2", Field.Store.YES, Field.Index.NO));
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IndexWriter writer = new IndexWriter(dir, new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.LIMITED);
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writer.AddDocument(doc);
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writer.Optimize(); // be sure to have a single segment
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writer.Close();
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_TestUtil.CheckIndex(dir);
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SegmentReader reader = SegmentReader.GetOnlySegmentReader(dir);
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FieldInfos fi = reader.FieldInfos();
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// f1
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Assert.IsFalse(reader.HasNorms("f1"), "f1 should have no norms");
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Assert.IsFalse(fi.FieldInfo("f1").omitTermFreqAndPositions_ForNUnit, "omitTermFreqAndPositions field bit should not be set for f1");
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// f2
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Assert.IsTrue(reader.HasNorms("f2"), "f2 should have norms");
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Assert.IsTrue(fi.FieldInfo("f2").omitTermFreqAndPositions_ForNUnit, "omitTermFreqAndPositions field bit should be set for f2");
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}
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}
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} |