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96 lines
3.8 KiB
C#
96 lines
3.8 KiB
C#
/*
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*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*
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*/
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using System.Linq;
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using Lucene.Net.Analysis.Hunspell;
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using NUnit.Framework;
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namespace Lucene.Net.Analyzers.Hunspell {
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[TestFixture]
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public class TestHunspellStemmer {
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[Test(Description = "Word 'drinkable' should be stemmed to 'drink' with the suffix 'able' being stripped")]
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public void TestStem_SimpleSuffix_EnUS() {
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var dictionary = HunspellDictionaryLoader.Dictionary("en_US");
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var stemmer = new HunspellStemmer(dictionary);
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var stems = stemmer.Stem("drinkable").ToList();
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Assert.AreEqual(2, stems.Count);
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Assert.AreEqual("drinkable", stems[0].Stem);
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Assert.AreEqual("drink", stems[1].Stem);
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}
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[Test(Description = "Word 'remove' should be stemmed to 'move' with the prefix 're' being stripped")]
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public void TestStem_SimplePrefix_EnUS() {
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var dictionary = HunspellDictionaryLoader.Dictionary("en_US");
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var stemmer = new HunspellStemmer(dictionary);
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var stems = stemmer.Stem("remove").ToList();
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Assert.AreEqual(1, stems.Count);
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Assert.AreEqual("move", stems[0].Stem);
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}
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[Test(Description = "Word 'drinkables' should be stemmed to 'drink' with the suffixes 's' and 'able' being removed recursively")]
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public void TestStem_RecursiveSuffix_EnUS() {
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var dictionary = HunspellDictionaryLoader.Dictionary("en_US");
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var stemmer = new HunspellStemmer(dictionary);
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var stems = stemmer.Stem("drinkables").ToList();
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Assert.AreEqual(1, stems.Count);
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Assert.AreEqual("drink", stems[0].Stem);
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}
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[Test(Description = "Word 'fietsen' should be stemmed to 'fiets' ('en' suffix stripped) while fiets should be stemmed to itself")]
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public void TestStem_fietsenFiets_NlNL() {
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var dictionary = HunspellDictionaryLoader.Dictionary("nl_NL");
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var stemmer = new HunspellStemmer(dictionary);
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var stems = stemmer.Stem("fietsen").ToList();
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Assert.AreEqual(2, stems.Count);
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Assert.AreEqual("fietsen", stems[0].Stem);
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Assert.AreEqual("fiets", stems[1].Stem);
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stems = stemmer.Stem("fiets").ToList();
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Assert.AreEqual(1, stems.Count);
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Assert.AreEqual("fiets", stems[0].Stem);
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}
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[Test(Description = "Word 'huizen' should be stemmed to 'huis' ('en' suffix stripped) while huis should be stemmed to huis and hui")]
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public void TestStem_huizenHuis_NlNL() {
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var dictionary = HunspellDictionaryLoader.Dictionary("nl_NL");
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var stemmer = new HunspellStemmer(dictionary);
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var stems = stemmer.Stem("huizen").ToList();
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Assert.AreEqual(2, stems.Count);
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Assert.AreEqual("huizen", stems[0].Stem);
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Assert.AreEqual("huis", stems[1].Stem);
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stems = stemmer.Stem("huis").ToList();
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Assert.AreEqual(2, stems.Count);
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Assert.AreEqual("huis", stems[0].Stem);
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Assert.AreEqual("hui", stems[1].Stem);
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}
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}
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} |