/*
* 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.Analyzer;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.LuceneTestCase;
/**
* Tests MatchAllDocsQuery.
*
*/
public class TestMatchAllDocsQuery extends LuceneTestCase {
private Analyzer analyzer;
@Override
public void setUp() throws Exception {
super.setUp();
analyzer = new MockAnalyzer(random());
}
public void testQuery() throws Exception {
Directory dir = newDirectory();
IndexWriter iw = new IndexWriter(dir, newIndexWriterConfig(
TEST_VERSION_CURRENT, analyzer).setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy()));
addDoc("one", iw, 1f);
addDoc("two", iw, 20f);
addDoc("three four", iw, 300f);
IndexReader ir = DirectoryReader.open(iw, true);
IndexSearcher is = newSearcher(ir);
ScoreDoc[] hits;
hits = is.search(new MatchAllDocsQuery(), null, 1000).scoreDocs;
assertEquals(3, hits.length);
assertEquals("one", is.doc(hits[0].doc).get("key"));
assertEquals("two", is.doc(hits[1].doc).get("key"));
assertEquals("three four", is.doc(hits[2].doc).get("key"));
// 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, null, 1000).scoreDocs;
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, null, 1000).scoreDocs;
assertEquals(1, hits.length);
iw.deleteDocuments(new Term("key", "one"));
ir.close();
ir = DirectoryReader.open(iw, true);
is = newSearcher(ir);
hits = is.search(new MatchAllDocsQuery(), null, 1000).scoreDocs;
assertEquals(2, hits.length);
iw.close();
ir.close();
dir.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, float boost) throws IOException {
Document doc = new Document();
Field f = newTextField("key", text, Field.Store.YES);
f.setBoost(boost);
doc.add(f);
iw.addDocument(doc);
}
}