| /* |
| * 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.grouping; |
| |
| import java.util.HashMap; |
| |
| import org.apache.lucene.analysis.MockAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.FieldType; |
| import org.apache.lucene.document.SortedDocValuesField; |
| import org.apache.lucene.document.TextField; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.queries.function.ValueSource; |
| import org.apache.lucene.queries.function.valuesource.BytesRefFieldSource; |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.search.TermQuery; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.BytesRef; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class AllGroupsCollectorTest extends LuceneTestCase { |
| |
| public void testTotalGroupCount() throws Exception { |
| |
| final String groupField = "author"; |
| FieldType customType = new FieldType(); |
| customType.setStored(true); |
| |
| Directory dir = newDirectory(); |
| RandomIndexWriter w = new RandomIndexWriter( |
| random(), |
| dir, |
| newIndexWriterConfig(new MockAnalyzer(random())).setMergePolicy(newLogMergePolicy())); |
| |
| // 0 |
| Document doc = new Document(); |
| addGroupField(doc, groupField, "author1"); |
| doc.add(new TextField("content", "random text", Field.Store.YES)); |
| doc.add(new Field("id", "1", customType)); |
| w.addDocument(doc); |
| |
| // 1 |
| doc = new Document(); |
| addGroupField(doc, groupField, "author1"); |
| doc.add(new TextField("content", "some more random text blob", Field.Store.YES)); |
| doc.add(new Field("id", "2", customType)); |
| w.addDocument(doc); |
| |
| // 2 |
| doc = new Document(); |
| addGroupField(doc, groupField, "author1"); |
| doc.add(new TextField("content", "some more random textual data", Field.Store.YES)); |
| doc.add(new Field("id", "3", customType)); |
| w.addDocument(doc); |
| w.commit(); // To ensure a second segment |
| |
| // 3 |
| doc = new Document(); |
| addGroupField(doc, groupField, "author2"); |
| doc.add(new TextField("content", "some random text", Field.Store.YES)); |
| doc.add(new Field("id", "4", customType)); |
| w.addDocument(doc); |
| |
| // 4 |
| doc = new Document(); |
| addGroupField(doc, groupField, "author3"); |
| doc.add(new TextField("content", "some more random text", Field.Store.YES)); |
| doc.add(new Field("id", "5", customType)); |
| w.addDocument(doc); |
| |
| // 5 |
| doc = new Document(); |
| addGroupField(doc, groupField, "author3"); |
| doc.add(new TextField("content", "random blob", Field.Store.YES)); |
| doc.add(new Field("id", "6", customType)); |
| w.addDocument(doc); |
| |
| // 6 -- no author field |
| doc = new Document(); |
| doc.add(new TextField("content", "random word stuck in alot of other text", Field.Store.YES)); |
| doc.add(new Field("id", "6", customType)); |
| w.addDocument(doc); |
| |
| IndexSearcher indexSearcher = newSearcher(w.getReader()); |
| w.close(); |
| |
| AllGroupsCollector<?> allGroupsCollector = createRandomCollector(groupField); |
| indexSearcher.search(new TermQuery(new Term("content", "random")), allGroupsCollector); |
| assertEquals(4, allGroupsCollector.getGroupCount()); |
| |
| allGroupsCollector = createRandomCollector(groupField); |
| indexSearcher.search(new TermQuery(new Term("content", "some")), allGroupsCollector); |
| assertEquals(3, allGroupsCollector.getGroupCount()); |
| |
| allGroupsCollector = createRandomCollector(groupField); |
| indexSearcher.search(new TermQuery(new Term("content", "blob")), allGroupsCollector); |
| assertEquals(2, allGroupsCollector.getGroupCount()); |
| |
| indexSearcher.getIndexReader().close(); |
| dir.close(); |
| } |
| |
| private void addGroupField(Document doc, String groupField, String value) { |
| doc.add(new TextField(groupField, value, Field.Store.YES)); |
| doc.add(new SortedDocValuesField(groupField, new BytesRef(value))); |
| } |
| |
| private AllGroupsCollector<?> createRandomCollector(String groupField) { |
| if (random().nextBoolean()) { |
| return new AllGroupsCollector<>(new TermGroupSelector(groupField)); |
| } |
| else { |
| ValueSource vs = new BytesRefFieldSource(groupField); |
| return new AllGroupsCollector<>(new ValueSourceGroupSelector(vs, new HashMap<>())); |
| } |
| } |
| |
| } |