cvs commit: jakarta-lucene/src/test/org/apache/lucene/search TestPrefixQuery.java

[eh...@apache.org]

ehatcher    2003/09/20 15:02:52

  Added:       src/test/org/apache/lucene/search TestPrefixQuery.java
  Log:
  Add test case for PrefixQuery
  
  Revision  Changes    Path
  1.1                  jakarta-lucene/src/test/org/apache/lucene/search/TestPrefixQuery.java
  
  Index: TestPrefixQuery.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
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   * 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 junit.framework.TestCase;
  import org.apache.lucene.store.RAMDirectory;
  import org.apache.lucene.index.IndexWriter;
  import org.apache.lucene.index.Term;
  import org.apache.lucene.analysis.WhitespaceAnalyzer;
  import org.apache.lucene.document.Document;
  import org.apache.lucene.document.Field;
  
  /**
   * Tests {@link PrefixQuery} class.
   *
   * @author Erik Hatcher
   */
  public class TestPrefixQuery extends TestCase {
    public void testPrefixQuery() throws Exception {
      RAMDirectory directory = new RAMDirectory();
  
      String[] categories = new String[] {"/Computers",
                                          "/Computers/Mac",
                                          "/Computers/Windows"};
      IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true);
      for (int i = 0; i < categories.length; i++) {
        Document doc = new Document();
        doc.add(Field.Keyword("category", categories[i]));
        writer.addDocument(doc);
      }
      writer.close();
  
      PrefixQuery query = new PrefixQuery(new Term("category", "/Computers"));
      IndexSearcher searcher = new IndexSearcher(directory);
      Hits hits = searcher.search(query);
      assertEquals("All documents in /Computers category", 3, hits.length());
  
      query = new PrefixQuery(new Term("category", "/Computers/Mac"));
      hits = searcher.search(query);
      assertEquals("One in /Computers/Mac", 1, hits.length());
    }
  }
  
  
  

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