NumericRangeQueryTest.java

package lia.searching;

/**
 * Copyright Manning Publications Co.
 *
 * Licensed 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
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific lan      
*/

import junit.framework.TestCase;

import lia.common.TestUtil;

import org.apache.lucene.search.TopDocs;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.NumericRangeQuery;
import org.apache.lucene.store.Directory;

// From chapter 3
public class NumericRangeQueryTest extends TestCase {
  public void testInclusive() throws Exception {
    Directory dir = TestUtil.getBookIndexDirectory();
    IndexSearcher searcher = new IndexSearcher(dir);
    // pub date of TTC was September 2006
    NumericRangeQuery query = NumericRangeQuery.newIntRange("pubmonth",
                                                            200605,
                                                            200609,
                                                            true,
                                                            true);

    TopDocs matches = searcher.search(query, 10);
    /*
    for(int i=0;i<matches.totalHits;i++) {
      System.out.println("match " + i + ": " + searcher.doc(matches.scoreDocs[i].doc).get("author"));
    }
    */
    assertEquals(1, matches.totalHits);
    searcher.close();
    dir.close();
  }

  public void testExclusive() throws Exception {
    Directory dir = TestUtil.getBookIndexDirectory();
    IndexSearcher searcher = new IndexSearcher(dir);

    // pub date of TTC was September 2006
    NumericRangeQuery query = NumericRangeQuery.newIntRange("pubmonth",
                                                            200605,
                                                            200609,
                                                            false,
                                                            false);
    TopDocs matches = searcher.search(query, 10);
    assertEquals(0, matches.totalHits);
    searcher.close();
    dir.close();
  }

}