| /* |
| * 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.IndexReader; |
| import org.apache.lucene.index.IndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| /** |
| * Tests MatchNoDocsQuery. |
| */ |
| public class TestMatchNoDocsQuery extends LuceneTestCase { |
| private Analyzer analyzer; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| analyzer = new MockAnalyzer(random()); |
| } |
| |
| public void testSimple() throws Exception { |
| MatchNoDocsQuery query = new MatchNoDocsQuery(); |
| assertEquals(query.toString(), "MatchNoDocsQuery(\"\")"); |
| query = new MatchNoDocsQuery("field 'title' not found"); |
| assertEquals(query.toString(), "MatchNoDocsQuery(\"field 'title' not found\")"); |
| Query rewrite = query.rewrite(null); |
| assertTrue(rewrite instanceof MatchNoDocsQuery); |
| assertEquals(rewrite.toString(), "MatchNoDocsQuery(\"field 'title' not found\")"); |
| } |
| |
| public void testQuery() throws Exception { |
| Directory dir = newDirectory(); |
| IndexWriter iw = new IndexWriter(dir, newIndexWriterConfig(analyzer).setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy())); |
| addDoc("one", iw); |
| addDoc("two", iw); |
| addDoc("three", iw); |
| IndexReader ir = DirectoryReader.open(iw); |
| IndexSearcher searcher = new IndexSearcher(ir); |
| |
| Query query = new MatchNoDocsQuery("field not found"); |
| assertEquals(searcher.count(query), 0); |
| |
| ScoreDoc[] hits; |
| hits = searcher.search(new MatchNoDocsQuery(), 1000).scoreDocs; |
| assertEquals(0, hits.length); |
| assertEquals(query.toString(), "MatchNoDocsQuery(\"field not found\")"); |
| |
| BooleanQuery.Builder bq = new BooleanQuery.Builder(); |
| bq.add(new BooleanClause(new TermQuery(new Term("key", "five")), BooleanClause.Occur.SHOULD)); |
| bq.add(new BooleanClause(new MatchNoDocsQuery("field not found"), BooleanClause.Occur.MUST)); |
| query = bq.build(); |
| assertEquals(searcher.count(query), 0); |
| hits = searcher.search(new MatchNoDocsQuery(), 1000).scoreDocs; |
| assertEquals(0, hits.length); |
| assertEquals(query.toString(), "key:five +MatchNoDocsQuery(\"field not found\")"); |
| |
| bq = new BooleanQuery.Builder(); |
| bq.add(new BooleanClause(new TermQuery(new Term("key", "one")), BooleanClause.Occur.SHOULD)); |
| bq.add(new BooleanClause(new MatchNoDocsQuery("field not found"), BooleanClause.Occur.SHOULD)); |
| query = bq.build(); |
| assertEquals(query.toString(), "key:one MatchNoDocsQuery(\"field not found\")"); |
| assertEquals(searcher.count(query), 1); |
| hits = searcher.search(query, 1000).scoreDocs; |
| Query rewrite = query.rewrite(ir); |
| assertEquals(1, hits.length); |
| assertEquals(rewrite.toString(), "key:one MatchNoDocsQuery(\"field not found\")"); |
| |
| iw.close(); |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testEquals() { |
| Query q1 = new MatchNoDocsQuery(); |
| Query q2 = new MatchNoDocsQuery(); |
| assertTrue(q1.equals(q2)); |
| QueryUtils.check(q1); |
| } |
| |
| private void addDoc(String text, IndexWriter iw) throws IOException { |
| Document doc = new Document(); |
| Field f = newTextField("key", text, Field.Store.YES); |
| doc.add(f); |
| iw.addDocument(doc); |
| } |
| } |