/**
* 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.
*/
package org.apache.lucene.search;
import java.io.IOException;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.store.RAMDirectory;
import junit.framework.TestCase;
/**
* Tests MatchAllDocsQuery.
*
* @author Daniel Naber
*/
public class TestMatchAllDocsQuery extends TestCase {
public void testQuery() throws IOException {
RAMDirectory dir = new RAMDirectory();
IndexWriter iw = new IndexWriter(dir, new StandardAnalyzer(), true);
addDoc("one", iw);
addDoc("two", iw);
addDoc("three four", iw);
iw.close();
IndexSearcher is = new IndexSearcher(dir);
Hits hits = is.search(new MatchAllDocsQuery());
assertEquals(3, hits.length());
// some artificial queries to trigger the use of skipTo():
BooleanQuery bq = new BooleanQuery();
bq.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
bq.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
hits = is.search(bq);
assertEquals(3, hits.length());
bq = new BooleanQuery();
bq.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
bq.add(new TermQuery(new Term("key", "three")), BooleanClause.Occur.MUST);
hits = is.search(bq);
assertEquals(1, hits.length());
// delete a document:
is.getIndexReader().deleteDocument(0);
hits = is.search(new MatchAllDocsQuery());
assertEquals(2, hits.length());
is.close();
}
public void testEquals() {
Query q1 = new MatchAllDocsQuery();
Query q2 = new MatchAllDocsQuery();
assertTrue(q1.equals(q2));
q1.setBoost(1.5f);
assertFalse(q1.equals(q2));
}
private void addDoc(String text, IndexWriter iw) throws IOException {
Document doc = new Document();
doc.add(new Field("key", text, Field.Store.YES, Field.Index.TOKENIZED));
iw.addDocument(doc);
}
}
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