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From dna...@apache.org
Subject cvs commit: jakarta-lucene/src/test/org/apache/lucene/search TestPhraseQuery.java
Date Fri, 28 Jan 2005 22:22:04 GMT
dnaber      2005/01/28 14:22:04

  Modified:    src/test/org/apache/lucene/search TestPhraseQuery.java
  Log:
  test case that makes sure sloppy phrase queries use the term distance to calculate the result
ranking
  
  Revision  Changes    Path
  1.10      +40 -0     jakarta-lucene/src/test/org/apache/lucene/search/TestPhraseQuery.java
  
  Index: TestPhraseQuery.java
  ===================================================================
  RCS file: /home/cvs/jakarta-lucene/src/test/org/apache/lucene/search/TestPhraseQuery.java,v
  retrieving revision 1.9
  retrieving revision 1.10
  diff -u -r1.9 -r1.10
  --- TestPhraseQuery.java	7 Sep 2004 18:26:36 -0000	1.9
  +++ TestPhraseQuery.java	28 Jan 2005 22:22:04 -0000	1.10
  @@ -16,6 +16,8 @@
    * limitations under the License.
    */
   
  +import java.io.IOException;
  +
   import junit.framework.TestCase;
   import org.apache.lucene.analysis.WhitespaceAnalyzer;
   import org.apache.lucene.analysis.StopAnalyzer;
  @@ -23,6 +25,7 @@
   import org.apache.lucene.document.Field;
   import org.apache.lucene.index.IndexWriter;
   import org.apache.lucene.index.Term;
  +import org.apache.lucene.store.Directory;
   import org.apache.lucene.store.RAMDirectory;
   
   /**
  @@ -254,4 +257,41 @@
       searcher.close();
       directory.close();
     }
  +  
  +  public void testSlopScoring() throws IOException {
  +    Directory directory = new RAMDirectory();
  +    IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true);
  +
  +    Document doc = new Document();
  +    doc.add(new Field("field", "foo firstname lastname foo", Field.Store.YES, Field.Index.TOKENIZED));
  +    writer.addDocument(doc);
  +    
  +    Document doc2 = new Document();
  +    doc2.add(new Field("field", "foo firstname xxx lastname foo", Field.Store.YES, Field.Index.TOKENIZED));
  +    writer.addDocument(doc2);
  +    
  +    Document doc3 = new Document();
  +    doc3.add(new Field("field", "foo firstname xxx yyy lastname foo", Field.Store.YES,
Field.Index.TOKENIZED));
  +    writer.addDocument(doc3);
  +    
  +    writer.optimize();
  +    writer.close();
  +
  +    Searcher searcher = new IndexSearcher(directory);
  +    PhraseQuery query = new PhraseQuery();
  +    query.add(new Term("field", "firstname"));
  +    query.add(new Term("field", "lastname"));
  +    query.setSlop(Integer.MAX_VALUE);
  +    Hits hits = searcher.search(query);
  +    assertEquals(3, hits.length());
  +    // Make sure that those matches where the terms appear closer to
  +    // each other get a higher score:
  +    assertEquals(0.71, hits.score(0), 0.01);
  +    assertEquals(0, hits.id(0));
  +    assertEquals(0.44, hits.score(1), 0.01);
  +    assertEquals(1, hits.id(1));
  +    assertEquals(0.31, hits.score(2), 0.01);
  +    assertEquals(2, hits.id(2));
  +  }
  +
   }
  
  
  

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