test/core/Support/TestOldPatches.cs

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 *
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
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using System;
using Lucene.Net.Analysis;
using Lucene.Net.Documents;
using Lucene.Net.Index;
using Lucene.Net.Search;
using Lucene.Net.Store;
using Lucene.Net.Test;
using NUnit.Framework;
using Version = Lucene.Net.Util.Version;

namespace Lucene.Net.Support
{
    [TestFixture]
    public class TestOldPatches
    {
        //-------------------------------------------
        [Test]
        [Description("LUCENENET-183")]
        public void Test_SegmentTermVector_IndexOf()
        {
            Lucene.Net.Store.RAMDirectory directory = new Lucene.Net.Store.RAMDirectory();
            Lucene.Net.Analysis.Analyzer analyzer = new Lucene.Net.Analysis.WhitespaceAnalyzer();
            Lucene.Net.Index.IndexWriter writer = new Lucene.Net.Index.IndexWriter(directory, analyzer, Lucene.Net.Index.IndexWriter.MaxFieldLength.LIMITED);
            Lucene.Net.Documents.Document document = new Lucene.Net.Documents.Document();
            document.Add(new Lucene.Net.Documents.Field("contents", new System.IO.StreamReader(new System.IO.MemoryStream(System.Text.Encoding.ASCII.GetBytes("a_ a0"))), Lucene.Net.Documents.Field.TermVector.WITH_OFFSETS));
            writer.AddDocument(document);
            Lucene.Net.Index.IndexReader reader = writer.GetReader();
            Lucene.Net.Index.TermPositionVector tpv = reader.GetTermFreqVector(0, "contents") as Lucene.Net.Index.TermPositionVector;
            //Console.WriteLine("tpv: " + tpv);
            int index = tpv.IndexOf("a_");
            Assert.AreEqual(index, 1, "See the issue: LUCENENET-183");
        }

        //-------------------------------------------
        [Test]
        [Description("LUCENENET-170")]
        public void Test_Util_Parameter()
        {
            Lucene.Net.Search.BooleanQuery queryPreSerialized = new Lucene.Net.Search.BooleanQuery();
            queryPreSerialized.Add(new Lucene.Net.Search.TermQuery(new Lucene.Net.Index.Term("country", "Russia")), Occur.MUST);
            queryPreSerialized.Add(new Lucene.Net.Search.TermQuery(new Lucene.Net.Index.Term("country", "France")), Occur.MUST);

            //now serialize it 
            System.Runtime.Serialization.Formatters.Binary.BinaryFormatter serializer = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
            System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
            serializer.Serialize(memoryStream, queryPreSerialized);

            //now deserialize 
            memoryStream.Seek(0, System.IO.SeekOrigin.Begin);
            Lucene.Net.Search.BooleanQuery queryPostSerialized = (Lucene.Net.Search.BooleanQuery)serializer.Deserialize(memoryStream);

            memoryStream.Close();

            Assert.AreEqual(queryPreSerialized, queryPostSerialized, "See the issue: LUCENENET-170");
        }

        //-------------------------------------------
        [Test]
        [Description("LUCENENET-174")]
        public void Test_Store_RAMDirectory()
        {
            Lucene.Net.Store.RAMDirectory ramDIR = new Lucene.Net.Store.RAMDirectory();

            //Index 1 Doc
            Lucene.Net.Index.IndexWriter wr = new Lucene.Net.Index.IndexWriter(ramDIR, new Lucene.Net.Analysis.WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED);
            Lucene.Net.Documents.Document doc = new Lucene.Net.Documents.Document();
            doc.Add(new Lucene.Net.Documents.Field("field1", "value1 value11", Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.ANALYZED));
            wr.AddDocument(doc);
            wr.Close();

            //now serialize it 
            System.Runtime.Serialization.Formatters.Binary.BinaryFormatter serializer = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
            System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
            serializer.Serialize(memoryStream, ramDIR);

            //Close DIR
            ramDIR.Close();
            ramDIR = null;

            //now deserialize 
            memoryStream.Seek(0, System.IO.SeekOrigin.Begin);
            Lucene.Net.Store.RAMDirectory ramDIR2 = (Lucene.Net.Store.RAMDirectory)serializer.Deserialize(memoryStream);

            //Add 1 more doc
            wr = new Lucene.Net.Index.IndexWriter(ramDIR2, new Lucene.Net.Analysis.WhitespaceAnalyzer(), false, IndexWriter.MaxFieldLength.UNLIMITED);
            doc = new Lucene.Net.Documents.Document();
            doc.Add(new Lucene.Net.Documents.Field("field1", "value1 value11", Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.ANALYZED));
            wr.AddDocument(doc);
            wr.Close();

            //Search
            Lucene.Net.Search.IndexSearcher s = new Lucene.Net.Search.IndexSearcher(ramDIR2);
            Lucene.Net.QueryParsers.QueryParser qp = new Lucene.Net.QueryParsers.QueryParser(Version.LUCENE_CURRENT, "field1", new Lucene.Net.Analysis.Standard.StandardAnalyzer(Version.LUCENE_CURRENT));
            Lucene.Net.Search.Query q = qp.Parse("value1");
            Lucene.Net.Search.TopDocs topDocs = s.Search(q, 100);
            s.Close();

            Assert.AreEqual(topDocs.TotalHits, 2, "See the issue: LUCENENET-174");
        }



        //-------------------------------------------
        [Test]
        [Description("LUCENENET-150")]
        public void Test_Index_ReusableStringReader()
        {
            Lucene.Net.Index.IndexWriter wr = new Lucene.Net.Index.IndexWriter(new Lucene.Net.Store.RAMDirectory(), new TestAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED);

            Lucene.Net.Documents.Document doc = new Lucene.Net.Documents.Document();
            Lucene.Net.Documents.Field f1 = new Lucene.Net.Documents.Field("f1", TEST_STRING, Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.ANALYZED);
            doc.Add(f1);
            wr.AddDocument(doc);

            wr.Close();
        }

        static string TEST_STRING = "First Line\nSecond Line";

        class TestAnalyzer : Lucene.Net.Analysis.Analyzer
        {
            public override Lucene.Net.Analysis.TokenStream TokenStream(string fieldName, System.IO.TextReader reader)
            {
                return new TestTokenizer(reader);
            }
        }

        class TestTokenizer : Lucene.Net.Analysis.Tokenizer
        {
            public TestTokenizer(System.IO.TextReader Reader)
            {
                //Caution: "Reader" is actually of type "ReusableStringReader" and some 
                //methods (for ex. "ReadToEnd", "Peek",  "ReadLine") is not implemented. 

                Assert.AreEqual("ReusableStringReader", Reader.GetType().Name);
                Assert.AreEqual("First Line", Reader.ReadLine(), "\"ReadLine\" method is not implemented");
                Assert.AreEqual("Second Line", Reader.ReadToEnd(), "\"ReadToEnd\" method is not implemented");
            }

            public override bool IncrementToken()
            {
                return false;
            }
        }

        [Test]
        [Description("LUCENENET-374")]
        public void Test_IndexReader_IsCurrent()
        {
            RAMDirectory ramDir = new RAMDirectory();
            IndexWriter writer = new IndexWriter(ramDir, new KeywordAnalyzer(), true, new IndexWriter.MaxFieldLength(1000));
            Field field = new Field("TEST", "mytest", Field.Store.YES, Field.Index.ANALYZED);
            Document doc = new Document();
            doc.Add(field);
            writer.AddDocument(doc);

            IndexReader reader = writer.GetReader();

            writer.DeleteDocuments(new Lucene.Net.Index.Term("TEST", "mytest"));

            Assert.IsFalse(reader.IsCurrent());

            int resCount1 = new IndexSearcher(reader).Search(new TermQuery(new Term("TEST", "mytest")),100).TotalHits; 
            Assert.AreEqual(1, resCount1);

            writer.Commit();

            Assert.IsFalse(reader.IsCurrent());

            int resCount2 = new IndexSearcher(reader).Search(new TermQuery(new Term("TEST", "mytest")),100).TotalHits;
            Assert.AreEqual(1, resCount2, "Reopen not invoked yet, resultCount must still be 1.");

            reader = reader.Reopen();
            Assert.IsTrue(reader.IsCurrent());

            int resCount3 = new IndexSearcher(reader).Search(new TermQuery(new Term("TEST", "mytest")), 100).TotalHits;
            Assert.AreEqual(0, resCount3, "After reopen, resultCount must be 0.");

            reader.Close();
            writer.Close();
        }


        //-------------------------------------------
        int ANYPORT = 0;
        [Test]
        [Description("LUCENENET-100")]
        public void Test_Search_FieldDoc()
        {
            ANYPORT = new Random((int)(DateTime.Now.Ticks & 0x7fffffff)).Next(50000) + 10000;
            LUCENENET_100_CreateIndex();

            try
            {
                System.Runtime.Remoting.Channels.ChannelServices.RegisterChannel(new System.Runtime.Remoting.Channels.Tcp.TcpChannel(ANYPORT),false);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            
            Lucene.Net.Search.IndexSearcher indexSearcher = new Lucene.Net.Search.IndexSearcher(LUCENENET_100_Dir);
            System.Runtime.Remoting.RemotingServices.Marshal(indexSearcher, "Searcher");
         

            LUCENENET_100_ClientSearch();

            //Wait Client to finish
            while (LUCENENET_100_testFinished == false) System.Threading.Thread.Sleep(10);
                        
            if (LUCENENET_100_Exception != null) throw LUCENENET_100_Exception;
        }

        Lucene.Net.Store.RAMDirectory LUCENENET_100_Dir = new Lucene.Net.Store.RAMDirectory();
        bool LUCENENET_100_testFinished = false;
        Exception LUCENENET_100_Exception = null;


        void LUCENENET_100_ClientSearch()
        {
            try
            {
                Lucene.Net.Search.Searchable s = (Lucene.Net.Search.Searchable)Activator.GetObject(typeof(Lucene.Net.Search.Searchable), @"tcp://localhost:" + ANYPORT + "/Searcher");
                Lucene.Net.Search.MultiSearcher searcher = new Lucene.Net.Search.MultiSearcher(new Lucene.Net.Search.Searchable[] { s });

                Lucene.Net.Search.Query q = new Lucene.Net.Search.TermQuery(new Lucene.Net.Index.Term("field1", "moon"));

                Lucene.Net.Search.Sort sort = new Lucene.Net.Search.Sort();
                sort.SetSort(new Lucene.Net.Search.SortField("field2", Lucene.Net.Search.SortField.INT));

                Lucene.Net.Search.TopDocs h = searcher.Search(q, null, 100, sort);
                if (h.ScoreDocs.Length != 2) LUCENENET_100_Exception = new SupportClassException("Test_Search_FieldDoc Error. ");
            }
            catch (SupportClassException ex)
            {
                LUCENENET_100_Exception = ex;
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex);
            }
            finally
            {
                LUCENENET_100_testFinished = true;
            }
        }

        void LUCENENET_100_CreateIndex()
        {
            Lucene.Net.Index.IndexWriter w = new Lucene.Net.Index.IndexWriter(LUCENENET_100_Dir, new Lucene.Net.Analysis.Standard.StandardAnalyzer(Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.UNLIMITED);

            Lucene.Net.Documents.Field f1 = new Lucene.Net.Documents.Field("field1", "dark side of the moon", Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.ANALYZED);
            Lucene.Net.Documents.Field f2 = new Lucene.Net.Documents.Field("field2", "123", Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.NOT_ANALYZED);
            Lucene.Net.Documents.Document d = new Lucene.Net.Documents.Document();
            d.Add(f1);
            d.Add(f2);
            w.AddDocument(d);

            f1 = new Lucene.Net.Documents.Field("field1", "Fly me to the moon", Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.ANALYZED);
            f2 = new Lucene.Net.Documents.Field("field2", "456", Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.NOT_ANALYZED);
            d = new Lucene.Net.Documents.Document();
            d.Add(f1);
            d.Add(f2);
            w.AddDocument(d);

            w.Close();
        }

        //-------------------------------------------
    }
}