/*
* 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 SimpleAnalyzer = Lucene.Net.Analysis.SimpleAnalyzer;
using Lucene.Net.Documents;
using IndexReader = Lucene.Net.Index.IndexReader;
using IndexWriter = Lucene.Net.Index.IndexWriter;
using Term = Lucene.Net.Index.Term;
using RAMDirectory = Lucene.Net.Store.RAMDirectory;
namespace Lucene.Net.Search
{
/// Document boost unit test.
///
///
/// Doug Cutting
///
/// $Revision: 150497 $
///
[TestFixture]
public class TestSetNorm
{
private class AnonymousClassHitCollector : HitCollector
{
public AnonymousClassHitCollector(float[] scores, TestSetNorm enclosingInstance)
{
InitBlock(scores, enclosingInstance);
}
private void InitBlock(float[] scores, TestSetNorm enclosingInstance)
{
this.scores = scores;
this.enclosingInstance = enclosingInstance;
}
private float[] scores;
private TestSetNorm enclosingInstance;
public TestSetNorm Enclosing_Instance
{
get
{
return enclosingInstance;
}
}
public override void Collect(int doc, float score)
{
scores[doc] = score;
}
}
[Test]
public virtual void TestSetNorm_Renamed_Method()
{
RAMDirectory store = new RAMDirectory();
IndexWriter writer = new IndexWriter(store, new SimpleAnalyzer(), true);
// add the same document four times
Fieldable f1 = new Field("field", "word", Field.Store.YES, Field.Index.TOKENIZED);
Lucene.Net.Documents.Document d1 = new Lucene.Net.Documents.Document();
d1.Add(f1);
writer.AddDocument(d1);
writer.AddDocument(d1);
writer.AddDocument(d1);
writer.AddDocument(d1);
writer.Close();
// reset the boost of each instance of this document
IndexReader reader = IndexReader.Open(store);
reader.SetNorm(0, "field", 1.0f);
reader.SetNorm(1, "field", 2.0f);
reader.SetNorm(2, "field", 4.0f);
reader.SetNorm(3, "field", 16.0f);
reader.Close();
// check that searches are ordered by this boost
float[] scores = new float[4];
new IndexSearcher(store).Search(new TermQuery(new Term("field", "word")), new AnonymousClassHitCollector(scores, this));
float lastScore = 0.0f;
for (int i = 0; i < 4; i++)
{
Assert.IsTrue(scores[i] > lastScore);
lastScore = scores[i];
}
}
}
}