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 java.util.HashSet;
import java.util.Set;
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 org.apache.lucene.search.BooleanClause.Occur;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.English;
import org.apache.lucene.util.LuceneTestCase;
public class TestQueryWrapperFilter extends LuceneTestCase {
public void testBasic() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
Document doc = new Document();
doc.add(newTextField("field", "value", Field.Store.NO));
writer.addDocument(doc);
IndexReader reader = writer.getReader();
writer.close();
TermQuery termQuery = new TermQuery(new Term("field", "value"));
// should not throw exception with primitive query
QueryWrapperFilter qwf = new QueryWrapperFilter(termQuery);
IndexSearcher searcher = newSearcher(reader);
TopDocs hits = searcher.search(new MatchAllDocsQuery(), qwf, 10);
assertEquals(1, hits.totalHits);
hits = searcher.search(new MatchAllDocsQuery(), new CachingWrapperFilter(qwf), 10);
assertEquals(1, hits.totalHits);
// should not throw exception with complex primitive query
BooleanQuery booleanQuery = new BooleanQuery();
booleanQuery.add(termQuery, Occur.MUST);
booleanQuery.add(new TermQuery(new Term("field", "missing")),
Occur.MUST_NOT);
qwf = new QueryWrapperFilter(termQuery);
hits = searcher.search(new MatchAllDocsQuery(), qwf, 10);
assertEquals(1, hits.totalHits);
hits = searcher.search(new MatchAllDocsQuery(), new CachingWrapperFilter(qwf), 10);
assertEquals(1, hits.totalHits);
// should not throw exception with non primitive Query (doesn't implement
// Query#createWeight)
qwf = new QueryWrapperFilter(new FuzzyQuery(new Term("field", "valu")));
hits = searcher.search(new MatchAllDocsQuery(), qwf, 10);
assertEquals(1, hits.totalHits);
hits = searcher.search(new MatchAllDocsQuery(), new CachingWrapperFilter(qwf), 10);
assertEquals(1, hits.totalHits);
// test a query with no hits
termQuery = new TermQuery(new Term("field", "not_exist"));
qwf = new QueryWrapperFilter(termQuery);
hits = searcher.search(new MatchAllDocsQuery(), qwf, 10);
assertEquals(0, hits.totalHits);
hits = searcher.search(new MatchAllDocsQuery(), new CachingWrapperFilter(qwf), 10);
assertEquals(0, hits.totalHits);
reader.close();
dir.close();
}
public void testRandom() throws Exception {
final Directory d = newDirectory();
final RandomIndexWriter w = new RandomIndexWriter(random(), d);
w.w.getConfig().setMaxBufferedDocs(17);
final int numDocs = atLeast(100);
final Set<String> aDocs = new HashSet<>();
for(int i=0;i<numDocs;i++) {
final Document doc = new Document();
final String v;
if (random().nextInt(5) == 4) {
v = "a";
aDocs.add(""+i);
} else {
v = "b";
}
final Field f = newStringField("field", v, Field.Store.NO);
doc.add(f);
doc.add(newStringField("id", ""+i, Field.Store.YES));
w.addDocument(doc);
}
final int numDelDocs = atLeast(10);
for(int i=0;i<numDelDocs;i++) {
final String delID = ""+random().nextInt(numDocs);
w.deleteDocuments(new Term("id", delID));
aDocs.remove(delID);
}
final IndexReader r = w.getReader();
w.close();
final TopDocs hits = newSearcher(r).search(new MatchAllDocsQuery(),
new QueryWrapperFilter(new TermQuery(new Term("field", "a"))),
numDocs);
assertEquals(aDocs.size(), hits.totalHits);
for(ScoreDoc sd: hits.scoreDocs) {
assertTrue(aDocs.contains(r.document(sd.doc).get("id")));
}
r.close();
d.close();
}
public void testThousandDocuments() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
for (int i = 0; i < 1000; i++) {
Document doc = new Document();
doc.add(newStringField("field", English.intToEnglish(i), Field.Store.NO));
writer.addDocument(doc);
}
IndexReader reader = writer.getReader();
writer.close();
IndexSearcher searcher = newSearcher(reader);
for (int i = 0; i < 1000; i++) {
TermQuery termQuery = new TermQuery(new Term("field", English.intToEnglish(i)));
QueryWrapperFilter qwf = new QueryWrapperFilter(termQuery);
TopDocs td = searcher.search(new MatchAllDocsQuery(), qwf, 10);
assertEquals(1, td.totalHits);
}
reader.close();
dir.close();
}
}