| /* |
| * 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 Lucene.Net.Support; |
| using NUnit.Framework; |
| |
| using WhitespaceAnalyzer = Lucene.Net.Analysis.WhitespaceAnalyzer; |
| using Lucene.Net.Documents; |
| using IndexReader = Lucene.Net.Index.IndexReader; |
| using IndexWriter = Lucene.Net.Index.IndexWriter; |
| using Directory = Lucene.Net.Store.Directory; |
| using RAMDirectory = Lucene.Net.Store.RAMDirectory; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| |
| namespace Lucene.Net.Search |
| { |
| [TestFixture] |
| public class TestThreadSafe:LuceneTestCase |
| { |
| internal System.Random r; |
| internal Directory dir1; |
| internal Directory dir2; |
| |
| internal IndexReader ir1; |
| internal IndexReader ir2; |
| |
| internal System.String failure = null; |
| |
| |
| internal class Thr:ThreadClass |
| { |
| [Serializable] |
| private class AnonymousClassFieldSelector : FieldSelector |
| { |
| public AnonymousClassFieldSelector(Thr enclosingInstance) |
| { |
| InitBlock(enclosingInstance); |
| } |
| private void InitBlock(Thr enclosingInstance) |
| { |
| this.enclosingInstance = enclosingInstance; |
| } |
| private Thr enclosingInstance; |
| public Thr Enclosing_Instance |
| { |
| get |
| { |
| return enclosingInstance; |
| } |
| |
| } |
| public virtual FieldSelectorResult Accept(System.String fieldName) |
| { |
| switch (Enclosing_Instance.rand.Next(2)) |
| { |
| |
| case 0: return FieldSelectorResult.LAZY_LOAD; |
| |
| case 1: return FieldSelectorResult.LOAD; |
| // TODO: add other options |
| |
| default: return FieldSelectorResult.LOAD; |
| |
| } |
| } |
| } |
| private void InitBlock(TestThreadSafe enclosingInstance) |
| { |
| this.enclosingInstance = enclosingInstance; |
| } |
| private TestThreadSafe enclosingInstance; |
| public TestThreadSafe Enclosing_Instance |
| { |
| get |
| { |
| return enclosingInstance; |
| } |
| |
| } |
| internal int iter; |
| internal System.Random rand; |
| // pass in random in case we want to make things reproducable |
| public Thr(TestThreadSafe enclosingInstance, int iter, System.Random rand) |
| { |
| InitBlock(enclosingInstance); |
| this.iter = iter; |
| this.rand = rand; |
| } |
| |
| override public void Run() |
| { |
| try |
| { |
| for (int i = 0; i < iter; i++) |
| { |
| /*** future |
| // pick a random index reader... a shared one, or create your own |
| IndexReader ir; |
| ***/ |
| |
| switch (rand.Next(1)) |
| { |
| |
| case 0: loadDoc(Enclosing_Instance.ir1); break; |
| } |
| } |
| } |
| catch (System.Exception th) |
| { |
| Enclosing_Instance.failure = th.ToString(); |
| Assert.Fail(Enclosing_Instance.failure); // TestCase.fail(Enclosing_Instance.failure); |
| } |
| } |
| |
| |
| internal virtual void loadDoc(IndexReader ir) |
| { |
| // beware of deleted docs in the future |
| Document doc = ir.Document(rand.Next(ir.MaxDoc), new AnonymousClassFieldSelector(this)); |
| |
| var fields = doc.GetFields(); |
| for (int i = 0; i < fields.Count; i++) |
| { |
| IFieldable f = fields[i]; |
| Enclosing_Instance.ValidateField(f); |
| } |
| } |
| } |
| |
| |
| internal virtual void ValidateField(IFieldable f) |
| { |
| System.String val = f.StringValue; |
| if (!val.StartsWith("^") || !val.EndsWith("$")) |
| { |
| throw new System.SystemException("Invalid field:" + f.ToString() + " val=" + val); |
| } |
| } |
| |
| internal System.String[] words = "now is the time for all good men to come to the aid of their country".Split(' '); |
| |
| internal virtual void BuildDir(Directory dir, int nDocs, int maxFields, int maxFieldLen) |
| { |
| IndexWriter iw = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED); |
| iw.SetMaxBufferedDocs(10); |
| for (int j = 0; j < nDocs; j++) |
| { |
| Document d = new Document(); |
| int nFields = r.Next(maxFields); |
| for (int i = 0; i < nFields; i++) |
| { |
| int flen = r.Next(maxFieldLen); |
| System.Text.StringBuilder sb = new System.Text.StringBuilder("^ "); |
| while (sb.Length < flen) |
| sb.Append(' ').Append(words[r.Next(words.Length)]); |
| sb.Append(" $"); |
| Field.Store store = Field.Store.YES; // make random later |
| Field.Index index = Field.Index.ANALYZED; // make random later |
| d.Add(new Field("f" + i, sb.ToString(), store, index)); |
| } |
| iw.AddDocument(d); |
| } |
| iw.Close(); |
| } |
| |
| |
| internal virtual void DoTest(int iter, int nThreads) |
| { |
| Thr[] tarr = new Thr[nThreads]; |
| for (int i = 0; i < nThreads; i++) |
| { |
| tarr[i] = new Thr(this, iter, new System.Random((System.Int32) r.Next(System.Int32.MaxValue))); |
| tarr[i].Start(); |
| } |
| for (int i = 0; i < nThreads; i++) |
| { |
| tarr[i].Join(); |
| } |
| if (failure != null) |
| { |
| Assert.Fail(failure); // TestCase.fail(failure); |
| } |
| } |
| |
| [Test] |
| public virtual void TestLazyLoadThreadSafety() |
| { |
| r = NewRandom(); |
| dir1 = new RAMDirectory(); |
| // test w/ field sizes bigger than the buffer of an index input |
| BuildDir(dir1, 15, 5, 2000); |
| |
| // do many small tests so the thread locals go away inbetween |
| for (int i = 0; i < 100; i++) |
| { |
| ir1 = IndexReader.Open(dir1, false); |
| DoTest(10, 100); |
| } |
| } |
| } |
| } |