| using Lucene.Net.Analysis; |
| using Lucene.Net.Documents; |
| using Lucene.Net.Index; |
| using Lucene.Net.Index.Extensions; |
| using Lucene.Net.Queries.Function; |
| using Lucene.Net.Queries.Function.ValueSources; |
| using Lucene.Net.Search.Grouping.Function; |
| using Lucene.Net.Search.Grouping.Terms; |
| using Lucene.Net.Store; |
| using Lucene.Net.Util; |
| using NUnit.Framework; |
| using System; |
| using System.Collections; |
| using Console = Lucene.Net.Util.SystemConsole; |
| |
| namespace Lucene.Net.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. |
| */ |
| |
| public class AllGroupsCollectorTest : LuceneTestCase |
| { |
| [Test] |
| public void TestTotalGroupCount() |
| { |
| |
| string groupField = "author"; |
| FieldType customType = new FieldType(); |
| customType.IsStored = true; |
| |
| Directory dir = NewDirectory(); |
| RandomIndexWriter w = new RandomIndexWriter( |
| Random, |
| dir, |
| NewIndexWriterConfig(TEST_VERSION_CURRENT, |
| new MockAnalyzer(Random)).SetMergePolicy(NewLogMergePolicy())); |
| bool canUseIDV = !"Lucene3x".Equals(w.IndexWriter.Config.Codec.Name, StringComparison.Ordinal); |
| |
| // 0 |
| Document doc = new Document(); |
| AddGroupField(doc, groupField, "author1", canUseIDV); |
| 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", canUseIDV); |
| 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", canUseIDV); |
| 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", canUseIDV); |
| 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", canUseIDV); |
| 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", canUseIDV); |
| 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.Dispose(); |
| |
| IAbstractAllGroupsCollector<object> allGroupsCollector = CreateRandomCollector(groupField, canUseIDV); |
| indexSearcher.Search(new TermQuery(new Term("content", "random")), allGroupsCollector); |
| assertEquals(4, allGroupsCollector.GroupCount); |
| |
| allGroupsCollector = CreateRandomCollector(groupField, canUseIDV); |
| indexSearcher.Search(new TermQuery(new Term("content", "some")), allGroupsCollector); |
| assertEquals(3, allGroupsCollector.GroupCount); |
| |
| allGroupsCollector = CreateRandomCollector(groupField, canUseIDV); |
| indexSearcher.Search(new TermQuery(new Term("content", "blob")), allGroupsCollector); |
| assertEquals(2, allGroupsCollector.GroupCount); |
| |
| indexSearcher.IndexReader.Dispose(); |
| dir.Dispose(); |
| } |
| |
| private void AddGroupField(Document doc, string groupField, string value, bool canUseIDV) |
| { |
| doc.Add(new TextField(groupField, value, Field.Store.YES)); |
| if (canUseIDV) |
| { |
| doc.Add(new SortedDocValuesField(groupField, new BytesRef(value))); |
| } |
| } |
| |
| private IAbstractAllGroupsCollector<object> CreateRandomCollector(string groupField, bool canUseIDV) |
| { |
| IAbstractAllGroupsCollector<object> selected; |
| if (Random.nextBoolean()) |
| { |
| selected = new TermAllGroupsCollector(groupField); |
| } |
| else |
| { |
| ValueSource vs = new BytesRefFieldSource(groupField); |
| selected = new FunctionAllGroupsCollector(vs, new Hashtable()); |
| } |
| |
| if (Verbose) |
| { |
| Console.WriteLine("Selected implementation: " + selected.GetType().Name); |
| } |
| |
| return selected; |
| } |
| } |
| } |