package org.apache.lucene.search;
/**
* Copyright 2004 The Apache Software Foundation
*
* 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 language governing permissions and
* limitations under the License.
*/
import org.apache.lucene.index.Term;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.Hits;
import org.apache.lucene.search.IndexSearcher;
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 org.apache.lucene.document.DateField;
import java.io.IOException;
import junit.framework.TestCase;
/**
* DateFilter JUnit tests.
*
* @author Otis Gospodnetic
* @version $Revision: 150487 $
*/
public class TestDateFilter
extends TestCase
{
public TestDateFilter(String name)
{
super(name);
}
/**
*
*/
public static void testBefore()
throws IOException
{
// create an index
RAMDirectory indexStore = new RAMDirectory();
IndexWriter writer = new IndexWriter(indexStore, new SimpleAnalyzer(), true);
long now = System.currentTimeMillis();
Document doc = new Document();
// add time that is in the past
doc.add(new Field("datefield", DateField.timeToString(now - 1000), Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.add(new Field("body", "Today is a very sunny day in New York City", Field.Store.YES, Field.Index.TOKENIZED));
writer.addDocument(doc);
writer.optimize();
writer.close();
IndexSearcher searcher = new IndexSearcher(indexStore);
// filter that should preserve matches
DateFilter df1 = DateFilter.Before("datefield", now);
// filter that should discard matches
DateFilter df2 = DateFilter.Before("datefield", now - 999999);
// search something that doesn't exist with DateFilter
Query query1 = new TermQuery(new Term("body", "NoMatchForThis"));
// search for something that does exists
Query query2 = new TermQuery(new Term("body", "sunny"));
Hits result;
// ensure that queries return expected results without DateFilter first
result = searcher.search(query1);
assertEquals(0, result.length());
result = searcher.search(query2);
assertEquals(1, result.length());
// run queries with DateFilter
result = searcher.search(query1, df1);
assertEquals(0, result.length());
result = searcher.search(query1, df2);
assertEquals(0, result.length());
result = searcher.search(query2, df1);
assertEquals(1, result.length());
result = searcher.search(query2, df2);
assertEquals(0, result.length());
}
/**
*
*/
public static void testAfter()
throws IOException
{
// create an index
RAMDirectory indexStore = new RAMDirectory();
IndexWriter writer = new IndexWriter(indexStore, new SimpleAnalyzer(), true);
long now = System.currentTimeMillis();
Document doc = new Document();
// add time that is in the future
doc.add(new Field("datefield", DateField.timeToString(now + 888888), Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.add(new Field("body", "Today is a very sunny day in New York City", Field.Store.YES, Field.Index.TOKENIZED));
writer.addDocument(doc);
writer.optimize();
writer.close();
IndexSearcher searcher = new IndexSearcher(indexStore);
// filter that should preserve matches
DateFilter df1 = DateFilter.After("datefield", now);
// filter that should discard matches
DateFilter df2 = DateFilter.After("datefield", now + 999999);
// search something that doesn't exist with DateFilter
Query query1 = new TermQuery(new Term("body", "NoMatchForThis"));
// search for something that does exists
Query query2 = new TermQuery(new Term("body", "sunny"));
Hits result;
// ensure that queries return expected results without DateFilter first
result = searcher.search(query1);
assertEquals(0, result.length());
result = searcher.search(query2);
assertEquals(1, result.length());
// run queries with DateFilter
result = searcher.search(query1, df1);
assertEquals(0, result.length());
result = searcher.search(query1, df2);
assertEquals(0, result.length());
result = searcher.search(query2, df1);
assertEquals(1, result.length());
result = searcher.search(query2, df2);
assertEquals(0, result.length());
}
}
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