| using Lucene.Net.Analysis; |
| using Lucene.Net.Documents; |
| using Lucene.Net.Support.IO; |
| using NUnit.Framework; |
| using System; |
| using System.IO; |
| using System.Text; |
| using Assert = Lucene.Net.TestFramework.Assert; |
| |
| namespace Lucene.Net.Index |
| { |
| /* |
| * 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 Analyzer = Lucene.Net.Analysis.Analyzer; |
| using Directory = Lucene.Net.Store.Directory; |
| using Document = Documents.Document; |
| using FieldType = FieldType; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| using MockTokenizer = Lucene.Net.Analysis.MockTokenizer; |
| using TextWriterInfoStream = Lucene.Net.Util.TextWriterInfoStream; |
| using TextField = TextField; |
| using TokenFilter = Lucene.Net.Analysis.TokenFilter; |
| using Tokenizer = Lucene.Net.Analysis.Tokenizer; |
| |
| /// <summary> |
| /// Test adding to the info stream when there's an exception thrown during field analysis. |
| /// </summary> |
| [TestFixture] |
| public class TestDocInverterPerFieldErrorInfo : LuceneTestCase |
| { |
| private static readonly FieldType storedTextType = new FieldType(TextField.TYPE_NOT_STORED); |
| |
| private class BadNews : Exception |
| { |
| internal BadNews(string message) |
| : base(message) |
| { |
| } |
| } |
| |
| private class ThrowingAnalyzer : Analyzer |
| { |
| protected internal override TokenStreamComponents CreateComponents(string fieldName, TextReader input) |
| { |
| Tokenizer tokenizer = new MockTokenizer(input); |
| if (fieldName.Equals("distinctiveFieldName", StringComparison.Ordinal)) |
| { |
| TokenFilter tosser = new TokenFilterAnonymousClass(this, tokenizer); |
| return new TokenStreamComponents(tokenizer, tosser); |
| } |
| else |
| { |
| return new TokenStreamComponents(tokenizer); |
| } |
| } |
| |
| private class TokenFilterAnonymousClass : TokenFilter |
| { |
| private readonly ThrowingAnalyzer outerInstance; |
| |
| public TokenFilterAnonymousClass(ThrowingAnalyzer outerInstance, Tokenizer tokenizer) |
| : base(tokenizer) |
| { |
| this.outerInstance = outerInstance; |
| } |
| |
| public sealed override bool IncrementToken() |
| { |
| throw new BadNews("Something is icky."); |
| } |
| } |
| } |
| |
| [Test] |
| public virtual void TestInfoStreamGetsFieldName() |
| { |
| Directory dir = NewDirectory(); |
| IndexWriter writer; |
| IndexWriterConfig c = new IndexWriterConfig(TEST_VERSION_CURRENT, new ThrowingAnalyzer()); |
| ByteArrayOutputStream infoBytes = new ByteArrayOutputStream(); |
| StreamWriter infoPrintStream = new StreamWriter(infoBytes, Encoding.UTF8); |
| TextWriterInfoStream printStreamInfoStream = new TextWriterInfoStream(infoPrintStream); |
| c.SetInfoStream(printStreamInfoStream); |
| writer = new IndexWriter(dir, c); |
| Document doc = new Document(); |
| doc.Add(NewField("distinctiveFieldName", "aaa ", storedTextType)); |
| try |
| { |
| writer.AddDocument(doc); |
| Assert.Fail("Failed to fail."); |
| } |
| catch (BadNews) |
| { |
| infoPrintStream.Flush(); |
| string infoStream = Encoding.UTF8.GetString(infoBytes.ToArray()); |
| Assert.IsTrue(infoStream.Contains("distinctiveFieldName")); |
| } |
| |
| writer.Dispose(); |
| dir.Dispose(); |
| } |
| |
| [Test] |
| public virtual void TestNoExtraNoise() |
| { |
| Directory dir = NewDirectory(); |
| IndexWriter writer; |
| IndexWriterConfig c = new IndexWriterConfig(TEST_VERSION_CURRENT, new ThrowingAnalyzer()); |
| ByteArrayOutputStream infoBytes = new ByteArrayOutputStream(); |
| StreamWriter infoPrintStream = new StreamWriter(infoBytes, Encoding.UTF8); |
| TextWriterInfoStream printStreamInfoStream = new TextWriterInfoStream(infoPrintStream); |
| c.SetInfoStream(printStreamInfoStream); |
| writer = new IndexWriter(dir, c); |
| Document doc = new Document(); |
| doc.Add(NewField("boringFieldName", "aaa ", storedTextType)); |
| try |
| { |
| writer.AddDocument(doc); |
| } |
| #pragma warning disable 168 |
| catch (BadNews badNews) |
| #pragma warning restore 168 |
| { |
| Assert.Fail("Unwanted exception"); |
| } |
| infoPrintStream.Flush(); |
| string infoStream = Encoding.UTF8.GetString(infoBytes.ToArray()); |
| Assert.IsFalse(infoStream.Contains("boringFieldName")); |
| |
| writer.Dispose(); |
| dir.Dispose(); |
| } |
| } |
| } |