/*
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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 Lucene.Net.Analysis;
using Lucene.Net.Documents;
using Lucene.Net.Index;
using Lucene.Net.QueryParser;
using Lucene.Net.Search;
using Searchable = Lucene.Net.Search.Searchable;
using Lucene.Net.Store;
using NUnit.Framework;
namespace Lucene.Net
{
/// JUnit adaptation of an older test case DocTest.
/// dmitrys@earthlink.net
///
/// $Id: TestSearchForDuplicates.java,v 1.3 2004/03/29 22:48:05 cutting Exp $
///
[TestFixture]
public class TestSearchForDuplicates
{
/// Main for running test case by itself.
[STAThread]
public static void Main(System.String[] args)
{
}
internal const System.String PRIORITY_FIELD = "priority";
internal const System.String ID_FIELD = "id";
internal const System.String HIGH_PRIORITY = "high";
internal const System.String MED_PRIORITY = "medium";
internal const System.String LOW_PRIORITY = "low";
/// This test compares search results when using and not using compound
/// files.
///
/// TODO: There is rudimentary search result validation as well, but it is
/// simply based on asserting the output observed in the old test case,
/// without really knowing if the output is correct. Someone needs to
/// validate this output and make any changes to the checkHits method.
///
[Test]
public virtual void TestRun()
{
System.IO.StringWriter sw = new System.IO.StringWriter();
DoTest(sw, false);
sw.Close();
System.String multiFileOutput = sw.GetStringBuilder().ToString();
//System.out.println(multiFileOutput);
sw = new System.IO.StringWriter();
DoTest(sw, true);
sw.Close();
System.String singleFileOutput = sw.GetStringBuilder().ToString();
Assert.AreEqual(multiFileOutput, singleFileOutput);
}
private void DoTest(System.IO.StringWriter out_Renamed, bool useCompoundFiles)
{
Directory directory = new RAMDirectory();
Analyzer analyzer = new SimpleAnalyzer();
IndexWriter writer = new IndexWriter(directory, analyzer, true);
writer.SetUseCompoundFile(useCompoundFiles);
int MAX_DOCS = 225;
for (int j = 0; j < MAX_DOCS; j++)
{
Document d = new Document();
d.Add(Field.Text(PRIORITY_FIELD, HIGH_PRIORITY));
d.Add(Field.Text(ID_FIELD, System.Convert.ToString(j)));
writer.AddDocument(d);
}
writer.Close();
// try a search without OR
Searcher searcher = new IndexSearcher(directory);
Hits hits = null;
QueryParsers.QueryParser parser = new QueryParsers.QueryParser(PRIORITY_FIELD, analyzer);
Query query = parser.Parse(HIGH_PRIORITY);
out_Renamed.WriteLine("Query: " + query.ToString(PRIORITY_FIELD));
hits = searcher.Search(query);
PrintHits(out_Renamed, hits);
CheckHits(hits, MAX_DOCS);
searcher.Close();
// try a new search with OR
searcher = new IndexSearcher(directory);
hits = null;
parser = new QueryParsers.QueryParser(PRIORITY_FIELD, analyzer);
query = parser.Parse(HIGH_PRIORITY + " OR " + MED_PRIORITY);
out_Renamed.WriteLine("Query: " + query.ToString(PRIORITY_FIELD));
hits = searcher.Search(query);
PrintHits(out_Renamed, hits);
CheckHits(hits, MAX_DOCS);
searcher.Close();
}
private void PrintHits(System.IO.StringWriter out_Renamed, Hits hits)
{
out_Renamed.WriteLine(hits.Length() + " total results\n");
for (int i = 0; i < hits.Length(); i++)
{
if (i < 10 || (i > 94 && i < 105))
{
Document d = hits.Doc(i);
out_Renamed.WriteLine(i + " " + d.Get(ID_FIELD));
}
}
}
private void CheckHits(Hits hits, int expectedCount)
{
Assert.AreEqual(expectedCount, hits.Length(), "total results");
for (int i = 0; i < hits.Length(); i++)
{
if (i < 10 || (i > 94 && i < 105))
{
Document d = hits.Doc(i);
Assert.AreEqual(System.Convert.ToString(i), d.Get(ID_FIELD), "check " + i);
}
}
}
}
}