| using Lucene.Net.Search.Suggest.Fst; |
| using Lucene.Net.Search.Suggest.Jaspell; |
| using Lucene.Net.Search.Suggest.Tst; |
| using Lucene.Net.Util; |
| using NUnit.Framework; |
| using System; |
| using System.Collections.Generic; |
| using System.IO; |
| |
| namespace Lucene.Net.Search.Suggest |
| { |
| /* |
| * 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. |
| */ |
| |
| public class PersistenceTest : LuceneTestCase |
| { |
| public readonly string[] keys = new string[] { |
| "one", |
| "two", |
| "three", |
| "four", |
| "oneness", |
| "onerous", |
| "onesimus", |
| "twofold", |
| "twonk", |
| "thrive", |
| "through", |
| "threat", |
| "foundation", |
| "fourier", |
| "fourty" |
| }; |
| |
| [Test] |
| public void TestTSTPersistence() |
| { |
| RunTest(typeof(TSTLookup), true); |
| } |
| |
| [Test] |
| public void TestJaspellPersistence() |
| { |
| RunTest(typeof(JaspellLookup), true); |
| } |
| |
| [Test] |
| public void TestFSTPersistence() |
| { |
| RunTest(typeof(FSTCompletionLookup), false); |
| } |
| |
| private void RunTest(Type lookupClass, |
| bool supportsExactWeights) |
| { |
| |
| // Add all input keys. |
| Lookup lookup = (Lookup)Activator.CreateInstance(lookupClass); |
| Input[] keys = new Input[this.keys.Length]; |
| for (int i = 0; i < keys.Length; i++) |
| keys[i] = new Input(this.keys[i], i); |
| lookup.Build(new InputArrayEnumerator(keys)); |
| |
| // Store the suggester. |
| DirectoryInfo storeDir = CreateTempDir(this.GetType().Name); |
| lookup.Store(new FileStream(Path.Combine(storeDir.FullName, "lookup.dat"), FileMode.OpenOrCreate)); |
| |
| // Re-read it from disk. |
| lookup = (Lookup)Activator.CreateInstance(lookupClass); |
| lookup.Load(new FileStream(Path.Combine(storeDir.FullName, "lookup.dat"), FileMode.Open)); |
| |
| // Assert validity. |
| Random random = Random; |
| long previous = long.MinValue; |
| foreach (Input k in keys) |
| { |
| IList<Lookup.LookupResult> list = lookup.DoLookup(TestUtil.BytesToCharSequence(k.term, random).ToString(), false, 1); |
| assertEquals(1, list.size()); |
| Lookup.LookupResult lookupResult = list[0]; |
| assertNotNull(k.term.Utf8ToString(), lookupResult.Key); |
| |
| if (supportsExactWeights) |
| { |
| assertEquals(k.term.Utf8ToString(), k.v, lookupResult.Value); |
| } |
| else |
| { |
| assertTrue(lookupResult.Value + ">=" + previous, lookupResult.Value >= previous); |
| previous = lookupResult.Value; |
| } |
| } |
| } |
| } |
| } |