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From o...@apache.org
Subject cvs commit: jakarta-lucene/src/test/org/apache/lucene/search TestMultiSearcher.java
Date Thu, 19 Sep 2002 05:14:44 GMT
otis        2002/09/18 22:14:44

  Added:       src/test/org/apache/lucene/search TestMultiSearcher.java
  Log:
  - MultiSearcher unit tests.  Initial checkin.
    The test is failing, exposing a potential bug.
  
  Revision  Changes    Path
  1.1                  jakarta-lucene/src/test/org/apache/lucene/search/TestMultiSearcher.java
  
  Index: TestMultiSearcher.java
  ===================================================================
  package org.apache.lucene.search;
  
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache" and "Apache Software Foundation" and
   *    "Apache Lucene" must not be used to endorse or promote products
   *    derived from this software without prior written permission. For
   *    written permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    "Apache Lucene", nor may "Apache" appear in their name, without
   *    prior written permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  import org.apache.lucene.analysis.standard.StandardAnalyzer;
  import org.apache.lucene.document.Document;
  import org.apache.lucene.document.Field;
  import org.apache.lucene.index.IndexReader;
  import org.apache.lucene.index.IndexWriter;
  import org.apache.lucene.index.Term;
  import org.apache.lucene.queryParser.QueryParser;
  import org.apache.lucene.search.Searcher;
  import org.apache.lucene.store.FSDirectory;
  
  import junit.framework.TestCase;
  
  import java.io.File;
  import java.io.IOException;
  
  /**
   * FIXME: Describe class <code>TestMultiSearcher</code> here.
   *
   * @version $Id: TestMultiSearcher.java,v 1.1 2002/09/19 05:14:44 otis Exp $
   */
  public class TestMultiSearcher extends TestCase
  {
      public TestMultiSearcher(String name)
      {
          super(name);
      }
  
      public void testEmptyIndex()
          throws Exception
      {
          //creating file's for the FSDirectories
          File a = new File(System.getProperty("user.home"), "indexStoreA");
          File b = new File(System.getProperty("user.home"), "indexStoreB");
  
          //creating two directories for indices
          FSDirectory indexStoreA = FSDirectory.getDirectory(a, true);
          FSDirectory indexStoreB = FSDirectory.getDirectory(b, true);
  
          //creating a document to store
          Document lDoc = new Document();
          lDoc.add(Field.Text("fulltext", "Once upon a time....."));
          lDoc.add(Field.Keyword("id", "doc1"));
          lDoc.add(Field.Keyword("handle", "1"));
  
          //creating a document to store
          Document lDoc2 = new Document();
          lDoc2.add(Field.Text("fulltext", "in a galaxy far far away....."));
          lDoc2.add(Field.Keyword("id", "doc2"));
          lDoc2.add(Field.Keyword("handle", "1"));
  
          //creating a document to store
          Document lDoc3 = new Document();
          lDoc3.add(Field.Text("fulltext", "a bizarre bug manifested itself...."));
          lDoc3.add(Field.Keyword("id", "doc3"));
          lDoc3.add(Field.Keyword("handle", "1"));
  
          //creating an index writer for the first index
          IndexWriter writerA = new IndexWriter(indexStoreA, new StandardAnalyzer(), true);
          //creating an index writer for the second index, but writing nothing
          IndexWriter writerB = new IndexWriter(indexStoreB, new StandardAnalyzer(), true);
  
          //--------------------------------------------------------------------
          // scenario 1
          //--------------------------------------------------------------------
  
          //writing the documents to the first index
          writerA.addDocument(lDoc);
          writerA.addDocument(lDoc2);
          writerA.addDocument(lDoc3);
          writerA.close();
          writerA.optimize();
  
          //closing the second index
          writerB.close();
  
          //creating the query
          Query query = QueryParser.parse("handle:1", "fulltext", new StandardAnalyzer());
  
          //bulding the searchables
          Searcher[] searchers = new Searcher[2];
          //VITAL STEP:adding the searcher for the empty index first, before the searcher
for the populated index
          searchers[0] = new IndexSearcher(indexStoreB);
          searchers[1] = new IndexSearcher(indexStoreA);
          //creating the mulitSearcher
          Searcher mSearcher = new MultiSearcher(searchers);
          //performing the search
          Hits hits = mSearcher.search(query);
  
          assertEquals(3, hits.length());
  
          try {
              //iterating over the hit documents
              for (int i = 0; i < hits.length(); i++) {
                  //false ArrayIndexOutOfBounds should happen at this point
                  Document d = hits.doc(i);
              }
          }
          catch (ArrayIndexOutOfBoundsException e)
          {
              fail("ArrayIndexOutOfBoundsException thrown: " + e.getMessage());
              e.printStackTrace();
          } finally{
              mSearcher.close();
          }
  
  
          //--------------------------------------------------------------------
          // scenario 2
          //--------------------------------------------------------------------
  
          //adding one document to the empty index
          writerB = new IndexWriter(indexStoreB, new StandardAnalyzer(), false);
          writerB.addDocument(lDoc);
          writerB.optimize();
          writerB.close();
  
          //building the searchables
          Searcher[] searchers2 = new Searcher[2];
          //VITAL STEP:adding the searcher for the empty index first, before the searcher
for the populated index
          searchers2[0] = new IndexSearcher(indexStoreB);
          searchers2[1] = new IndexSearcher(indexStoreA);
          //creating the mulitSearcher
          Searcher mSearcher2 = new MultiSearcher(searchers2);
          //performing same the search
          Hits hits2 = mSearcher2.search(query);
  
          assertEquals(4, hits.length());
  
          try {
              //iterating over the hit documents
              for (int i = 0; i < hits2.length(); i++) {
                  //no exception should happen at this point
                  Document d = hits2.doc(i);
              }
          }
          catch (Exception e)
          {
              fail("Exception thrown: " + e.getMessage());
              e.printStackTrace();
          } finally{
              mSearcher2.close();
          }
  
          //--------------------------------------------------------------------
          // scenario 3
          //--------------------------------------------------------------------
  
          //deleting the document just added, this will cause a different exception to take
place
          Term term = new Term("id", "doc1");
          IndexReader readerB = IndexReader.open(indexStoreB);
          readerB.delete(term);
          readerB.close();
  
          //optimizing the index with the writer
          writerB = new IndexWriter(indexStoreB, new StandardAnalyzer(), false);
          writerB.optimize();
          writerB.close();
  
          //bulding the searchables
          Searcher[] searchers3 = new Searcher[2];
  
          searchers3[0] = new IndexSearcher(indexStoreB);
          searchers3[1] = new IndexSearcher(indexStoreA);
          //creating the mulitSearcher
          Searcher mSearcher3 = new MultiSearcher(searchers3);
          //performing same the search
          Hits hits3 = mSearcher3.search(query);
  
          assertEquals(3, hits.length());
  
          try {
              //iterating over the hit documents
              for (int i = 0; i < hits3.length(); i++) {
                  //false IOException should happen at this point
                  Document d = hits3.doc(i);
              }
          }
          catch (IOException e)
          {
              fail("IOException thrown: " + e.getMessage());
              e.printStackTrace();
          } finally{
              mSearcher3.close();
          }
      }
  }
  
  
  

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