Mailing List Archive

otis 02/04/19 11:53:35

Added: src/test/org/apache/lucene/search TestWildcard.java
Log:
- Wildcard JUnit unit tests. Initial checkin.

Revision Changes Path
1.1 jakarta-lucene/src/test/org/apache/lucene/search/TestWildcard.java

Index: TestWildcard.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:
*
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* distribution.
*
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* 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.
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* derived from this software without prior written permission. For
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* 5. Products derived from this software may not be called "Apache",
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*
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* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/

import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.index.Term;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.analysis.SimpleAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;

import junit.framework.TestCase;

import java.io.IOException;

/**
*
*
*/
public class TestWildcard
extends TestCase
{
public TestWildcard(String name)
{
super(name);
}

/*
*
*/
public void testAsterisk()
throws IOException
{
RAMDirectory indexStore = new RAMDirectory();
IndexWriter writer = new IndexWriter(indexStore, new SimpleAnalyzer(), true);
Document doc1 = new Document();
Document doc2 = new Document();
doc1.add(Field.Text("body", "metal"));
doc2.add(Field.Text("body", "metals"));
writer.addDocument(doc1);
writer.addDocument(doc2);
writer.optimize();
IndexSearcher searcher = new IndexSearcher(indexStore);
Query query1 = new TermQuery(new Term("body", "metal"));
Query query2 = new WildcardQuery(new Term("body", "metal*"));
Query query3 = new WildcardQuery(new Term("body", "m*tal"));
Query query4 = new WildcardQuery(new Term("body", "m*tal*"));

Hits result;

result = searcher.search(query1);
assertEquals(1, result.length());

result = searcher.search(query2);
assertEquals(2, result.length());

result = searcher.search(query3);
assertEquals(1, result.length());

result = searcher.search(query4);
assertEquals(2, result.length());

writer.close();
}

public void testQuestionmark()
throws IOException
{
RAMDirectory indexStore = new RAMDirectory();
IndexWriter writer = new IndexWriter(indexStore, new SimpleAnalyzer(), true);
Document doc1 = new Document();
Document doc2 = new Document();
Document doc3 = new Document();
Document doc4 = new Document();
doc1.add(Field.Text("body", "metal"));
doc2.add(Field.Text("body", "metals"));
doc3.add(Field.Text("body", "mXtals"));
doc4.add(Field.Text("body", "mXtXls"));
writer.addDocument(doc1);
writer.addDocument(doc2);
writer.addDocument(doc3);
writer.addDocument(doc4);
writer.optimize();
IndexSearcher searcher = new IndexSearcher(indexStore);
Query query1 = new TermQuery(new Term("body", "m?tal")); // 1
Query query2 = new WildcardQuery(new Term("body", "metal?")); // 2
Query query3 = new WildcardQuery(new Term("body", "metals?")); // 1
Query query4 = new WildcardQuery(new Term("body", "m?t?ls")); // 3

Hits result;

result = searcher.search(query1);
assertEquals(1, result.length());

result = searcher.search(query2);
assertEquals(2, result.length());

result = searcher.search(query3);
assertEquals(1, result.length());

result = searcher.search(query4);
assertEquals(3, result.length());

writer.close();
}
}




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