| using Lucene.Net.Documents; |
| using Lucene.Net.Index.Extensions; |
| using NUnit.Framework; |
| using System; |
| using System.Text; |
| 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 Directory = Lucene.Net.Store.Directory; |
| using Document = Documents.Document; |
| using Field = 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; |
| using TestUtil = Lucene.Net.Util.TestUtil; |
| |
| /// <summary> |
| /// Create an index with terms from 000-999. |
| /// Generates random wildcards according to patterns, |
| /// and validates the correct number of hits are returned. |
| /// </summary> |
| |
| [TestFixture] |
| public class TestWildcardRandom : LuceneTestCase |
| { |
| private IndexSearcher searcher; |
| private IndexReader reader; |
| private Directory dir; |
| |
| [SetUp] |
| public override void SetUp() |
| { |
| base.SetUp(); |
| dir = NewDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(Random, dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)).SetMaxBufferedDocs(TestUtil.NextInt32(Random, 50, 1000))); |
| |
| Document doc = new Document(); |
| Field field = NewStringField("field", "", Field.Store.NO); |
| doc.Add(field); |
| |
| for (int i = 0; i < 1000; i++) |
| { |
| field.SetStringValue(i.ToString("D3")); |
| writer.AddDocument(doc); |
| } |
| |
| reader = writer.GetReader(); |
| searcher = NewSearcher(reader); |
| writer.Dispose(); |
| if (Verbose) |
| { |
| Console.WriteLine("TEST: setUp searcher=" + searcher); |
| } |
| } |
| |
| private char N() |
| { |
| return (char)(0x30 + Random.Next(10)); |
| } |
| |
| private string FillPattern(string wildcardPattern) |
| { |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < wildcardPattern.Length; i++) |
| { |
| switch (wildcardPattern[i]) |
| { |
| case 'N': |
| sb.Append(N()); |
| break; |
| |
| default: |
| sb.Append(wildcardPattern[i]); |
| break; |
| } |
| } |
| return sb.ToString(); |
| } |
| |
| private void AssertPatternHits(string pattern, int numHits) |
| { |
| // TODO: run with different rewrites |
| string filledPattern = FillPattern(pattern); |
| if (Verbose) |
| { |
| Console.WriteLine("TEST: run wildcard pattern=" + pattern + " filled=" + filledPattern); |
| } |
| Query wq = new WildcardQuery(new Term("field", filledPattern)); |
| TopDocs docs = searcher.Search(wq, 25); |
| Assert.AreEqual(numHits, docs.TotalHits, "Incorrect hits for pattern: " + pattern); |
| } |
| |
| [TearDown] |
| public override void TearDown() |
| { |
| reader.Dispose(); |
| dir.Dispose(); |
| base.TearDown(); |
| } |
| |
| [Test] |
| public virtual void TestWildcards() |
| { |
| ; |
| int num = AtLeast(1); |
| for (int i = 0; i < num; i++) |
| { |
| AssertPatternHits("NNN", 1); |
| AssertPatternHits("?NN", 10); |
| AssertPatternHits("N?N", 10); |
| AssertPatternHits("NN?", 10); |
| } |
| |
| for (int i = 0; i < num; i++) |
| { |
| AssertPatternHits("??N", 100); |
| AssertPatternHits("N??", 100); |
| AssertPatternHits("???", 1000); |
| |
| AssertPatternHits("NN*", 10); |
| AssertPatternHits("N*", 100); |
| AssertPatternHits("*", 1000); |
| |
| AssertPatternHits("*NN", 10); |
| AssertPatternHits("*N", 100); |
| |
| AssertPatternHits("N*N", 10); |
| |
| // combo of ? and * operators |
| AssertPatternHits("?N*", 100); |
| AssertPatternHits("N?*", 100); |
| |
| AssertPatternHits("*N?", 100); |
| AssertPatternHits("*??", 1000); |
| AssertPatternHits("*?N", 100); |
| } |
| } |
| } |
| } |