| using Lucene.Net.Documents; |
| using Lucene.Net.Index.Extensions; |
| using NUnit.Framework; |
| using Assert = Lucene.Net.TestFramework.Assert; |
| using Console = Lucene.Net.Util.SystemConsole; |
| |
| namespace Lucene.Net.Search |
| { |
| /* |
| * 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 AtomicReaderContext = Lucene.Net.Index.AtomicReaderContext; |
| using Directory = Lucene.Net.Store.Directory; |
| using IndexReader = Lucene.Net.Index.IndexReader; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| using MockAnalyzer = Lucene.Net.Analysis.MockAnalyzer; |
| using RandomIndexWriter = Lucene.Net.Index.RandomIndexWriter; |
| using Term = Lucene.Net.Index.Term; |
| |
| /// <summary> |
| /// Document boost unit test. |
| /// |
| /// |
| /// </summary> |
| [TestFixture] |
| public class TestDocBoost : LuceneTestCase |
| { |
| [Test] |
| public virtual void TestDocBoost_Mem() |
| { |
| Directory store = NewDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(Random, store, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)).SetMergePolicy(NewLogMergePolicy())); |
| |
| Field f1 = NewTextField("field", "word", Field.Store.YES); |
| Field f2 = NewTextField("field", "word", Field.Store.YES); |
| f2.Boost = 2.0f; |
| |
| Documents.Document d1 = new Documents.Document(); |
| Documents.Document d2 = new Documents.Document(); |
| |
| d1.Add(f1); // boost = 1 |
| d2.Add(f2); // boost = 2 |
| |
| writer.AddDocument(d1); |
| writer.AddDocument(d2); |
| |
| IndexReader reader = writer.GetReader(); |
| writer.Dispose(); |
| |
| float[] scores = new float[4]; |
| |
| IndexSearcher searcher = NewSearcher(reader); |
| searcher.Search(new TermQuery(new Term("field", "word")), new CollectorAnonymousClass(this, scores)); |
| |
| float lastScore = 0.0f; |
| |
| for (int i = 0; i < 2; i++) |
| { |
| if (Verbose) |
| { |
| Console.WriteLine(searcher.Explain(new TermQuery(new Term("field", "word")), i)); |
| } |
| Assert.IsTrue(scores[i] > lastScore, "score: " + scores[i] + " should be > lastScore: " + lastScore); |
| lastScore = scores[i]; |
| } |
| |
| reader.Dispose(); |
| store.Dispose(); |
| } |
| |
| private class CollectorAnonymousClass : ICollector |
| { |
| private readonly TestDocBoost outerInstance; |
| |
| private readonly float[] scores; |
| |
| public CollectorAnonymousClass(TestDocBoost outerInstance, float[] scores) |
| { |
| this.outerInstance = outerInstance; |
| this.scores = scores; |
| @base = 0; |
| } |
| |
| private int @base; |
| private Scorer scorer; |
| |
| public virtual void SetScorer(Scorer scorer) |
| { |
| this.scorer = scorer; |
| } |
| |
| public virtual void Collect(int doc) |
| { |
| scores[doc + @base] = scorer.GetScore(); |
| } |
| |
| public virtual void SetNextReader(AtomicReaderContext context) |
| { |
| @base = context.DocBase; |
| } |
| |
| public virtual bool AcceptsDocsOutOfOrder => true; |
| } |
| } |
| } |