| using Lucene.Net.Search; |
| using NUnit.Framework; |
| using Assert = Lucene.Net.TestFramework.Assert; |
| |
| namespace Lucene.Net |
| { |
| /* |
| * 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 Analyzer = Lucene.Net.Analysis.Analyzer; |
| using Directory = Lucene.Net.Store.Directory; |
| using DirectoryReader = Lucene.Net.Index.DirectoryReader; |
| using Field = Lucene.Net.Documents.Field; |
| 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> |
| /// A very simple demo used in the API documentation (src/java/overview.html). |
| /// |
| /// Please try to keep src/java/overview.html up-to-date when making changes |
| /// to this class. |
| /// </summary> |
| public class TestDemo_ : LuceneTestCase |
| { |
| |
| [Test] |
| public virtual void TestDemo() |
| { |
| Analyzer analyzer = new MockAnalyzer(Random); |
| |
| // Store the index in memory: |
| using (Directory directory = NewDirectory()) |
| { |
| string longTerm = "longtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongtermlongterm"; |
| string text = "this is the text to be indexed. " + longTerm; |
| |
| // To store an index on disk, use this instead: |
| // Directory directory = FSDirectory.open(new File("/tmp/testindex")); |
| using (RandomIndexWriter iwriter = new RandomIndexWriter(Random, directory, NewIndexWriterConfig(Random, TEST_VERSION_CURRENT, analyzer))) |
| { |
| Documents.Document doc = new Documents.Document(); |
| doc.Add(NewTextField("fieldname", text, Field.Store.YES)); |
| iwriter.AddDocument(doc); |
| } |
| |
| // Now search the index: |
| using (IndexReader ireader = DirectoryReader.Open(directory)) // read-only=true |
| { |
| IndexSearcher isearcher = NewSearcher(ireader); |
| |
| Assert.AreEqual(1, isearcher.Search(new TermQuery(new Term("fieldname", longTerm)), 1).TotalHits); |
| Query query = new TermQuery(new Term("fieldname", "text")); |
| TopDocs hits = isearcher.Search(query, null, 1); |
| Assert.AreEqual(1, hits.TotalHits); |
| // Iterate through the results: |
| for (int i = 0; i < hits.ScoreDocs.Length; i++) |
| { |
| Documents.Document hitDoc = isearcher.Doc(hits.ScoreDocs[i].Doc); |
| Assert.AreEqual(text, hitDoc.Get("fieldname")); |
| } |
| |
| // Test simple phrase query |
| PhraseQuery phraseQuery = new PhraseQuery(); |
| phraseQuery.Add(new Term("fieldname", "to")); |
| phraseQuery.Add(new Term("fieldname", "be")); |
| Assert.AreEqual(1, isearcher.Search(phraseQuery, null, 1).TotalHits); |
| |
| } |
| } |
| } |
| } |
| } |