package org.apache.lucene.search.grouping;
/*
* 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 org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.RandomIndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.LuceneTestCase;
public class TermAllGroupsCollectorTest extends LuceneTestCase {
public void testTotalGroupCount() throws Exception {
final String groupField = "author";
Directory dir = newDirectory();
RandomIndexWriter w = new RandomIndexWriter(
random,
dir,
newIndexWriterConfig(TEST_VERSION_CURRENT,
new MockAnalyzer(random)).setMergePolicy(newLogMergePolicy()));
// 0
Document doc = new Document();
doc.add(new Field(groupField, "author1", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("content", "random text", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("id", "1", Field.Store.YES, Field.Index.NO));
w.addDocument(doc);
// 1
doc = new Document();
doc.add(new Field(groupField, "author1", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("content", "some more random text blob", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("id", "2", Field.Store.YES, Field.Index.NO));
w.addDocument(doc);
// 2
doc = new Document();
doc.add(new Field(groupField, "author1", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("content", "some more random textual data", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("id", "3", Field.Store.YES, Field.Index.NO));
w.addDocument(doc);
w.commit(); // To ensure a second segment
// 3
doc = new Document();
doc.add(new Field(groupField, "author2", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("content", "some random text", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("id", "4", Field.Store.YES, Field.Index.NO));
w.addDocument(doc);
// 4
doc = new Document();
doc.add(new Field(groupField, "author3", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("content", "some more random text", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("id", "5", Field.Store.YES, Field.Index.NO));
w.addDocument(doc);
// 5
doc = new Document();
doc.add(new Field(groupField, "author3", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("content", "random blob", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("id", "6", Field.Store.YES, Field.Index.NO));
w.addDocument(doc);
// 6 -- no author field
doc = new Document();
doc.add(new Field("content", "random word stuck in alot of other text", Field.Store.YES, Field.Index.ANALYZED));
doc.add(new Field("id", "6", Field.Store.YES, Field.Index.NO));
w.addDocument(doc);
IndexSearcher indexSearcher = new IndexSearcher(w.getReader());
w.close();
TermAllGroupsCollector c1 = new TermAllGroupsCollector(groupField);
indexSearcher.search(new TermQuery(new Term("content", "random")), c1);
assertEquals(4, c1.getGroupCount());
TermAllGroupsCollector c2 = new TermAllGroupsCollector(groupField);
indexSearcher.search(new TermQuery(new Term("content", "some")), c2);
assertEquals(3, c2.getGroupCount());
TermAllGroupsCollector c3 = new TermAllGroupsCollector(groupField);
indexSearcher.search(new TermQuery(new Term("content", "blob")), c3);
assertEquals(2, c3.getGroupCount());
indexSearcher.getIndexReader().close();
dir.close();
}
}