| /* |
| * 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. |
| */ |
| |
| using System; |
| |
| using NUnit.Framework; |
| |
| using WhitespaceAnalyzer = Lucene.Net.Analysis.WhitespaceAnalyzer; |
| using DateTools = Lucene.Net.Documents.DateTools; |
| using Document = Lucene.Net.Documents.Document; |
| using Field = Lucene.Net.Documents.Field; |
| using IndexWriter = Lucene.Net.Index.IndexWriter; |
| using QueryParser = Lucene.Net.QueryParsers.QueryParser; |
| using Directory = Lucene.Net.Store.Directory; |
| using RAMDirectory = Lucene.Net.Store.RAMDirectory; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| |
| namespace Lucene.Net.Search |
| { |
| |
| /// <summary> Test date sorting, i.e. auto-sorting of fields with type "long". |
| /// See http://issues.apache.org/jira/browse/LUCENE-1045 |
| /// </summary> |
| [TestFixture] |
| public class TestDateSort:LuceneTestCase |
| { |
| |
| private const System.String TEXT_FIELD = "text"; |
| private const System.String DATE_TIME_FIELD = "dateTime"; |
| |
| private static Directory directory; |
| |
| [SetUp] |
| public override void SetUp() |
| { |
| base.SetUp(); |
| // Create an index writer. |
| directory = new RAMDirectory(); |
| IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED); |
| |
| // oldest doc: |
| // Add the first document. text = "Document 1" dateTime = Oct 10 03:25:22 EDT 2007 |
| writer.AddDocument(CreateDocument("Document 1", 1192001122000L)); |
| // Add the second document. text = "Document 2" dateTime = Oct 10 03:25:26 EDT 2007 |
| writer.AddDocument(CreateDocument("Document 2", 1192001126000L)); |
| // Add the third document. text = "Document 3" dateTime = Oct 11 07:12:13 EDT 2007 |
| writer.AddDocument(CreateDocument("Document 3", 1192101133000L)); |
| // Add the fourth document. text = "Document 4" dateTime = Oct 11 08:02:09 EDT 2007 |
| writer.AddDocument(CreateDocument("Document 4", 1192104129000L)); |
| // latest doc: |
| // Add the fifth document. text = "Document 5" dateTime = Oct 12 13:25:43 EDT 2007 |
| writer.AddDocument(CreateDocument("Document 5", 1192209943000L)); |
| |
| writer.Optimize(); |
| writer.Close(); |
| } |
| |
| [Test] |
| public virtual void TestReverseDateSort() |
| { |
| IndexSearcher searcher = new IndexSearcher(directory, true); |
| |
| Sort sort = new Sort(new SortField(DATE_TIME_FIELD, SortField.STRING, true)); |
| |
| QueryParser queryParser = new QueryParser(Util.Version.LUCENE_CURRENT, TEXT_FIELD, new WhitespaceAnalyzer()); |
| Query query = queryParser.Parse("Document"); |
| |
| // Execute the search and process the search results. |
| System.String[] actualOrder = new System.String[5]; |
| ScoreDoc[] hits = searcher.Search(query, null, 1000, sort).ScoreDocs; |
| for (int i = 0; i < hits.Length; i++) |
| { |
| Document document = searcher.Doc(hits[i].Doc); |
| System.String text = document.Get(TEXT_FIELD); |
| actualOrder[i] = text; |
| } |
| searcher.Close(); |
| |
| // Set up the expected order (i.e. Document 5, 4, 3, 2, 1). |
| System.String[] expectedOrder = new System.String[5]; |
| expectedOrder[0] = "Document 5"; |
| expectedOrder[1] = "Document 4"; |
| expectedOrder[2] = "Document 3"; |
| expectedOrder[3] = "Document 2"; |
| expectedOrder[4] = "Document 1"; |
| |
| Assert.AreEqual(new System.Collections.ArrayList(expectedOrder), new System.Collections.ArrayList(actualOrder)); |
| } |
| |
| private static Document CreateDocument(System.String text, long time) |
| { |
| Document document = new Document(); |
| |
| // Add the text field. |
| Field textField = new Field(TEXT_FIELD, text, Field.Store.YES, Field.Index.ANALYZED); |
| document.Add(textField); |
| |
| // Add the date/time field. |
| System.String dateTimeString = DateTools.TimeToString(time, DateTools.Resolution.SECOND); |
| Field dateTimeField = new Field(DATE_TIME_FIELD, dateTimeString, Field.Store.YES, Field.Index.NOT_ANALYZED); |
| document.Add(dateTimeField); |
| |
| return document; |
| } |
| } |
| } |