/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.
*/
package org.elasticsearch.common.lucene.search;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.search.DeletionAwareConstantScoreQuery;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory;
import org.elasticsearch.common.lucene.Lucene;
import org.testng.annotations.Test;
import static org.elasticsearch.common.lucene.DocumentBuilder.*;
import static org.hamcrest.MatcherAssert.*;
import static org.hamcrest.Matchers.*;
/**
* @author kimchy (shay.banon)
*/
public class MatchAllDocsFilterTests {
@Test public void testMatchAllDocsFilter() throws Exception {
Directory dir = new RAMDirectory();
IndexWriter indexWriter = new IndexWriter(dir, new IndexWriterConfig(Lucene.VERSION, Lucene.STANDARD_ANALYZER));
indexWriter.addDocument(doc().add(field("_id", "1")).add(field("text", "lucene")).build());
indexWriter.addDocument(doc().add(field("_id", "2")).add(field("text", "lucene release")).build());
IndexReader reader = IndexReader.open(indexWriter, true);
IndexSearcher searcher = new IndexSearcher(reader);
DeletionAwareConstantScoreQuery query = new DeletionAwareConstantScoreQuery(Queries.MATCH_ALL_FILTER);
long count = Lucene.count(searcher, query, -1);
assertThat(count, equalTo(2l));
reader.close();
indexWriter.close();
}
}