| using Lucene.Net.Analysis; |
| using Lucene.Net.Attributes; |
| using Lucene.Net.Documents; |
| using Lucene.Net.Index; |
| using Lucene.Net.Store; |
| using Lucene.Net.Util; |
| using NUnit.Framework; |
| using System; |
| |
| namespace Lucene.Net.Search.Spell |
| { |
| /* |
| * 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. |
| */ |
| |
| /// <summary> |
| /// Test case for LuceneDictionary. |
| /// It first creates a simple index and then a couple of instances of LuceneDictionary |
| /// on different fields and checks if all the right text comes back. |
| /// </summary> |
| public class TestLuceneDictionary : LuceneTestCase |
| { |
| private Directory store; |
| |
| private IndexReader indexReader = null; |
| private LuceneDictionary ld; |
| #pragma warning disable CS0618 // Type or member is obsolete |
| private IBytesRefIterator it; |
| #pragma warning restore CS0618 // Type or member is obsolete |
| private BytesRef spare = new BytesRef(); |
| |
| |
| public override void SetUp() |
| { |
| base.SetUp(); |
| store = NewDirectory(); |
| IndexWriter writer = new IndexWriter(store, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random, MockTokenizer.WHITESPACE, false))); |
| |
| Document doc; |
| |
| doc = new Document(); |
| doc.Add(NewTextField("aaa", "foo", Field.Store.YES)); |
| writer.AddDocument(doc); |
| |
| doc = new Document(); |
| doc.Add(NewTextField("aaa", "foo", Field.Store.YES)); |
| writer.AddDocument(doc); |
| |
| doc = new Document(); |
| doc.Add(NewTextField("contents", "Tom", Field.Store.YES)); |
| writer.AddDocument(doc); |
| |
| doc = new Document(); |
| doc.Add(NewTextField("contents", "Jerry", Field.Store.YES)); |
| writer.AddDocument(doc); |
| |
| doc = new Document(); |
| doc.Add(NewTextField("zzz", "bar", Field.Store.YES)); |
| writer.AddDocument(doc); |
| |
| writer.ForceMerge(1); |
| writer.Dispose(); |
| } |
| |
| public override void TearDown() |
| { |
| if (indexReader != null) |
| indexReader.Dispose(); |
| store.Dispose(); |
| base.TearDown(); |
| } |
| |
| [Test] |
| public void TestFieldNonExistent() |
| { |
| IBytesRefEnumerator it; |
| try |
| { |
| indexReader = DirectoryReader.Open(store); |
| |
| ld = new LuceneDictionary(indexReader, "nonexistent_field"); |
| it = ld.GetEntryEnumerator(); |
| |
| assertFalse("More elements than expected", it.MoveNext()); |
| } |
| finally |
| { |
| if (indexReader != null) { indexReader.Dispose(); } |
| } |
| } |
| |
| [Test] |
| public void TestFieldAaa() |
| { |
| IBytesRefEnumerator it; |
| try |
| { |
| indexReader = DirectoryReader.Open(store); |
| |
| ld = new LuceneDictionary(indexReader, "aaa"); |
| it = ld.GetEntryEnumerator(); |
| assertTrue("First element doesn't exist.", it.MoveNext()); |
| assertTrue("First element isn't correct", it.Current.Utf8ToString().Equals("foo", StringComparison.Ordinal)); |
| assertFalse("More elements than expected", it.MoveNext()); |
| } |
| finally |
| { |
| if (indexReader != null) { indexReader.Dispose(); } |
| } |
| } |
| |
| [Test] |
| public void TestFieldContents_1() |
| { |
| IBytesRefEnumerator it; |
| try |
| { |
| indexReader = DirectoryReader.Open(store); |
| |
| ld = new LuceneDictionary(indexReader, "contents"); |
| it = ld.GetEntryEnumerator(); |
| |
| assertTrue("First element doesn't exist.", it.MoveNext()); |
| assertTrue("First element isn't correct", it.Current.Utf8ToString().Equals("Jerry", StringComparison.Ordinal)); |
| assertTrue("Second element doesn't exist.", it.MoveNext()); |
| assertTrue("Second element isn't correct", it.Current.Utf8ToString().Equals("Tom", StringComparison.Ordinal)); |
| assertFalse("More elements than expected", it.MoveNext()); |
| |
| ld = new LuceneDictionary(indexReader, "contents"); |
| it = ld.GetEntryEnumerator(); |
| |
| int counter = 2; |
| while (it.MoveNext()) |
| { |
| counter--; |
| } |
| |
| assertTrue("Number of words incorrect", counter == 0); |
| } |
| finally |
| { |
| if (indexReader != null) { indexReader.Dispose(); } |
| } |
| } |
| |
| [Test] |
| public void TestFieldContents_2() |
| { |
| IBytesRefEnumerator it; |
| try |
| { |
| indexReader = DirectoryReader.Open(store); |
| |
| ld = new LuceneDictionary(indexReader, "contents"); |
| it = ld.GetEntryEnumerator(); |
| |
| // just iterate through words |
| assertTrue(it.MoveNext()); |
| assertEquals("First element isn't correct", "Jerry", it.Current.Utf8ToString()); |
| assertTrue(it.MoveNext()); |
| assertEquals("Second element isn't correct", "Tom", it.Current.Utf8ToString()); |
| assertFalse("Nonexistent element is really null", it.MoveNext()); |
| } |
| finally |
| { |
| if (indexReader != null) { indexReader.Dispose(); } |
| } |
| } |
| |
| [Test] |
| public void TestFieldZzz() |
| { |
| IBytesRefEnumerator it; |
| try |
| { |
| indexReader = DirectoryReader.Open(store); |
| |
| ld = new LuceneDictionary(indexReader, "zzz"); |
| it = ld.GetEntryEnumerator(); |
| |
| assertTrue("First element doesn't exist.", it.MoveNext()); |
| assertEquals("First element isn't correct", "bar", it.Current.Utf8ToString()); |
| assertFalse("More elements than expected", it.MoveNext()); |
| } |
| finally |
| { |
| if (indexReader != null) { indexReader.Dispose(); } |
| } |
| } |
| |
| [Test] |
| public void TestSpellchecker() |
| { |
| Directory dir = NewDirectory(); |
| SpellChecker sc = new SpellChecker(dir); |
| indexReader = DirectoryReader.Open(store); |
| sc.IndexDictionary(new LuceneDictionary(indexReader, "contents"), NewIndexWriterConfig(TEST_VERSION_CURRENT, null), false); |
| string[] suggestions = sc.SuggestSimilar("Tam", 1); |
| assertEquals(1, suggestions.Length); |
| assertEquals("Tom", suggestions[0]); |
| suggestions = sc.SuggestSimilar("Jarry", 1); |
| assertEquals(1, suggestions.Length); |
| assertEquals("Jerry", suggestions[0]); |
| indexReader.Dispose(); |
| sc.Dispose(); |
| dir.Dispose(); |
| } |
| } |
| } |