| /* |
| * 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.facet; |
| |
| import java.io.IOException; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.NumericDocValuesField; |
| import org.apache.lucene.document.StringField; |
| import org.apache.lucene.index.DocValues; |
| import org.apache.lucene.index.NumericDocValues; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.search.DocIdSetIterator; |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.search.MatchAllDocsQuery; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.Bits; |
| import org.apache.lucene.util.FixedBitSet; |
| import org.apache.lucene.util.IOUtils; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestFacetUtils extends LuceneTestCase { |
| |
| public void testBasic() throws IOException { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random(), dir); |
| int maxDocs = 256; |
| |
| // Create up to maxDocs number of documents with (id, val) fields having |
| // string and numeric representation of the same value |
| for (int i = 0; i < maxDocs; i++) { |
| Document doc = new Document(); |
| doc.add(new StringField("id", String.valueOf(i), Field.Store.NO)); |
| doc.add(new NumericDocValuesField("val", i)); |
| writer.addDocument(doc); |
| } |
| |
| // Pick a random number of docs to delete. |
| // Actual deleted docs might be less than this because |
| // of duplicates generated by random() |
| int numDocsToDelete = random().nextInt(maxDocs); |
| FixedBitSet deletedDocs = new FixedBitSet(maxDocs); |
| |
| // Delete a random number of randomly picked documents |
| // Record what we deleted to make sure we don't find them |
| // during iteration |
| int actualDocsDeleted = 0; |
| for (int i = 0; i < numDocsToDelete; i++) { |
| int deletedDocId = random().nextInt(maxDocs); |
| if (deletedDocs.get(deletedDocId) == true) { |
| // we already deleted and recorded this doc-id |
| continue; |
| } |
| deletedDocs.set(deletedDocId); |
| writer.deleteDocuments(new Term("id", deletedDocId + "")); |
| actualDocsDeleted++; |
| } |
| |
| IndexSearcher searcher = newSearcher(writer.getReader()); |
| FacetsCollector fc = new FacetsCollector(); |
| searcher.search(new MatchAllDocsQuery(), fc); |
| |
| int visitedDocs = 0; |
| DocIdSetIterator disi; |
| |
| for (FacetsCollector.MatchingDocs m : fc.getMatchingDocs()) { |
| NumericDocValues numericDV = DocValues.getNumeric(m.context.reader(), "val"); |
| Bits liveDocs = m.context.reader().getLiveDocs(); |
| // Only use the liveDocsDISI if liveDocs is not null |
| disi = (liveDocs == null) ? numericDV : FacetUtils.liveDocsDISI(numericDV, liveDocs); |
| |
| // Iterating over disi should only give values for live docs |
| while (disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS) { |
| visitedDocs++; |
| int val = (int) numericDV.longValue(); |
| assertTrue("Deleted doc " + val + " found during iteration", deletedDocs.get(val) == false); |
| } |
| } |
| |
| assertTrue( |
| "Visited document [" |
| + visitedDocs |
| + "] != Live documents [" |
| + (maxDocs - actualDocsDeleted) |
| + "]", |
| visitedDocs == maxDocs - actualDocsDeleted); |
| writer.close(); |
| IOUtils.close(searcher.getIndexReader(), dir); |
| } |
| } |