package org.apache.lucene.search;
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.store.Directory;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.document.DateTools;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.RandomIndexWriter;
import org.apache.lucene.index.Term;
import java.io.IOException;
import java.util.Random;
/**
* DateFilter JUnit tests.
*
*
* @version $Revision: 988206 $
*/
public class TestDateFilter extends LuceneTestCase {
public TestDateFilter(String name) {
super(name);
}
/**
*
*/
public void testBefore() throws IOException {
// create an index
Random random = newRandom();
Directory indexStore = newDirectory(random);
RandomIndexWriter writer = new RandomIndexWriter(random, indexStore);
long now = System.currentTimeMillis();
Document doc = new Document();
// add time that is in the past
doc.add(new Field("datefield", DateTools.timeToString(now - 1000,
DateTools.Resolution.MILLISECOND), Field.Store.YES,
Field.Index.NOT_ANALYZED));
doc.add(new Field("body", "Today is a very sunny day in New York City",
Field.Store.YES, Field.Index.ANALYZED));
writer.addDocument(doc);
IndexReader reader = writer.getReader();
writer.close();
IndexSearcher searcher = new IndexSearcher(reader);
// filter that should preserve matches
// DateFilter df1 = DateFilter.Before("datefield", now);
TermRangeFilter df1 = new TermRangeFilter("datefield", DateTools
.timeToString(now - 2000, DateTools.Resolution.MILLISECOND), DateTools
.timeToString(now, DateTools.Resolution.MILLISECOND), false, true);
// filter that should discard matches
// DateFilter df2 = DateFilter.Before("datefield", now - 999999);
TermRangeFilter df2 = new TermRangeFilter("datefield", DateTools
.timeToString(0, DateTools.Resolution.MILLISECOND), DateTools
.timeToString(now - 2000, DateTools.Resolution.MILLISECOND), true,
false);
// 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"));
ScoreDoc[] result;
// ensure that queries return expected results without DateFilter first
result = searcher.search(query1, null, 1000).scoreDocs;
assertEquals(0, result.length);
result = searcher.search(query2, null, 1000).scoreDocs;
assertEquals(1, result.length);
// run queries with DateFilter
result = searcher.search(query1, df1, 1000).scoreDocs;
assertEquals(0, result.length);
result = searcher.search(query1, df2, 1000).scoreDocs;
assertEquals(0, result.length);
result = searcher.search(query2, df1, 1000).scoreDocs;
assertEquals(1, result.length);
result = searcher.search(query2, df2, 1000).scoreDocs;
assertEquals(0, result.length);
reader.close();
indexStore.close();
}
/**
*
*/
public void testAfter() throws IOException {
// create an index
Random random = newRandom();
Directory indexStore = newDirectory(random);
RandomIndexWriter writer = new RandomIndexWriter(random, indexStore);
long now = System.currentTimeMillis();
Document doc = new Document();
// add time that is in the future
doc.add(new Field("datefield", DateTools.timeToString(now + 888888,
DateTools.Resolution.MILLISECOND), Field.Store.YES,
Field.Index.NOT_ANALYZED));
doc.add(new Field("body", "Today is a very sunny day in New York City",
Field.Store.YES, Field.Index.ANALYZED));
writer.addDocument(doc);
IndexReader reader = writer.getReader();
writer.close();
IndexSearcher searcher = new IndexSearcher(reader);
// filter that should preserve matches
// DateFilter df1 = DateFilter.After("datefield", now);
TermRangeFilter df1 = new TermRangeFilter("datefield", DateTools
.timeToString(now, DateTools.Resolution.MILLISECOND), DateTools
.timeToString(now + 999999, DateTools.Resolution.MILLISECOND), true,
false);
// filter that should discard matches
// DateFilter df2 = DateFilter.After("datefield", now + 999999);
TermRangeFilter df2 = new TermRangeFilter("datefield", DateTools
.timeToString(now + 999999, DateTools.Resolution.MILLISECOND),
DateTools.timeToString(now + 999999999,
DateTools.Resolution.MILLISECOND), false, true);
// 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"));
ScoreDoc[] result;
// ensure that queries return expected results without DateFilter first
result = searcher.search(query1, null, 1000).scoreDocs;
assertEquals(0, result.length);
result = searcher.search(query2, null, 1000).scoreDocs;
assertEquals(1, result.length);
// run queries with DateFilter
result = searcher.search(query1, df1, 1000).scoreDocs;
assertEquals(0, result.length);
result = searcher.search(query1, df2, 1000).scoreDocs;
assertEquals(0, result.length);
result = searcher.search(query2, df1, 1000).scoreDocs;
assertEquals(1, result.length);
result = searcher.search(query2, df2, 1000).scoreDocs;
assertEquals(0, result.length);
reader.close();
indexStore.close();
}
}