| using System; |
| using NUnit.Framework; |
| using Lucene.Net.Analysis.CharFilters; |
| using Lucene.Net.Analysis.Core; |
| using System.IO; |
| using Lucene.Net.Analysis.Util; |
| using Lucene.Net.Analysis.Standard; |
| using Lucene.Net.Analysis.Tokenattributes; |
| |
| namespace Lucene.Net.Analysis.Cjk |
| { |
| /* |
| * 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> |
| /// Most tests adopted from TestCJKTokenizer |
| /// </summary> |
| public class TestCJKAnalyzer : BaseTokenStreamTestCase |
| { |
| private Analyzer analyzer = new CJKAnalyzer(TEST_VERSION_CURRENT); |
| |
| [Test] |
| public virtual void TestJa1() |
| { |
| AssertAnalyzesTo(analyzer, "一二三四五六七八九十", new string[] { "一二", "二三", "三四", "四五", "五六", "六七", "七八", "八九", "九十" }, new int[] { 0, 1, 2, 3, 4, 5, 6, 7, 8 }, new int[] { 2, 3, 4, 5, 6, 7, 8, 9, 10 }, new string[] { "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>" }, new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 1 }); |
| } |
| |
| [Test] |
| public virtual void TestJa2() |
| { |
| AssertAnalyzesTo(analyzer, "一 二三四 五六七八九 十", new string[] { "一", "二三", "三四", "五六", "六七", "七八", "八九", "十" }, new int[] { 0, 2, 3, 6, 7, 8, 9, 12 }, new int[] { 1, 4, 5, 8, 9, 10, 11, 13 }, new string[] { "<SINGLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<SINGLE>" }, new int[] { 1, 1, 1, 1, 1, 1, 1, 1 }); |
| } |
| |
| [Test] |
| public virtual void TestC() |
| { |
| AssertAnalyzesTo(analyzer, "abc defgh ijklmn opqrstu vwxy z", new string[] { "abc", "defgh", "ijklmn", "opqrstu", "vwxy", "z" }, new int[] { 0, 4, 10, 17, 25, 30 }, new int[] { 3, 9, 16, 24, 29, 31 }, new string[] { "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>", "<ALPHANUM>" }, new int[] { 1, 1, 1, 1, 1, 1 }); |
| } |
| |
| /// <summary> |
| /// LUCENE-2207: wrong offset calculated by end() |
| /// </summary> |
| [Test] |
| public virtual void TestFinalOffset() |
| { |
| AssertAnalyzesTo(analyzer, "あい", new string[] { "あい" }, new int[] { 0 }, new int[] { 2 }, new string[] { "<DOUBLE>" }, new int[] { 1 }); |
| |
| AssertAnalyzesTo(analyzer, "あい ", new string[] { "あい" }, new int[] { 0 }, new int[] { 2 }, new string[] { "<DOUBLE>" }, new int[] { 1 }); |
| |
| AssertAnalyzesTo(analyzer, "test", new string[] { "test" }, new int[] { 0 }, new int[] { 4 }, new string[] { "<ALPHANUM>" }, new int[] { 1 }); |
| |
| AssertAnalyzesTo(analyzer, "test ", new string[] { "test" }, new int[] { 0 }, new int[] { 4 }, new string[] { "<ALPHANUM>" }, new int[] { 1 }); |
| |
| AssertAnalyzesTo(analyzer, "あいtest", new string[] { "あい", "test" }, new int[] { 0, 2 }, new int[] { 2, 6 }, new string[] { "<DOUBLE>", "<ALPHANUM>" }, new int[] { 1, 1 }); |
| |
| AssertAnalyzesTo(analyzer, "testあい ", new string[] { "test", "あい" }, new int[] { 0, 4 }, new int[] { 4, 6 }, new string[] { "<ALPHANUM>", "<DOUBLE>" }, new int[] { 1, 1 }); |
| } |
| |
| [Test] |
| public virtual void TestMix() |
| { |
| AssertAnalyzesTo(analyzer, "あいうえおabcかきくけこ", new string[] { "あい", "いう", "うえ", "えお", "abc", "かき", "きく", "くけ", "けこ" }, new int[] { 0, 1, 2, 3, 5, 8, 9, 10, 11 }, new int[] { 2, 3, 4, 5, 8, 10, 11, 12, 13 }, new string[] { "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<ALPHANUM>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>" }, new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 1 }); |
| } |
| |
| [Test] |
| public virtual void TestMix2() |
| { |
| AssertAnalyzesTo(analyzer, "あいうえおabんcかきくけ こ", new string[] { "あい", "いう", "うえ", "えお", "ab", "ん", "c", "かき", "きく", "くけ", "こ" }, new int[] { 0, 1, 2, 3, 5, 7, 8, 9, 10, 11, 14 }, new int[] { 2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 15 }, new string[] { "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<ALPHANUM>", "<SINGLE>", "<ALPHANUM>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<SINGLE>" }, new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }); |
| } |
| |
| /// <summary> |
| /// Non-english text (outside of CJK) is treated normally, according to unicode rules |
| /// </summary> |
| [Test] |
| public virtual void TestNonIdeographic() |
| { |
| AssertAnalyzesTo(analyzer, "一 روبرت موير", new string[] { "一", "روبرت", "موير" }, new int[] { 0, 2, 8 }, new int[] { 1, 7, 12 }, new string[] { "<SINGLE>", "<ALPHANUM>", "<ALPHANUM>" }, new int[] { 1, 1, 1 }); |
| } |
| |
| /// <summary> |
| /// Same as the above, except with a nonspacing mark to show correctness. |
| /// </summary> |
| [Test] |
| public virtual void TestNonIdeographicNonLetter() |
| { |
| AssertAnalyzesTo(analyzer, "一 رُوبرت موير", new string[] { "一", "رُوبرت", "موير" }, new int[] { 0, 2, 9 }, new int[] { 1, 8, 13 }, new string[] { "<SINGLE>", "<ALPHANUM>", "<ALPHANUM>" }, new int[] { 1, 1, 1 }); |
| } |
| |
| [Test] |
| public virtual void TestSurrogates() |
| { |
| AssertAnalyzesTo(analyzer, "𩬅艱鍟䇹愯瀛", new string[] { "𩬅艱", "艱鍟", "鍟䇹", "䇹愯", "愯瀛" }, new int[] { 0, 2, 3, 4, 5 }, new int[] { 3, 4, 5, 6, 7 }, new string[] { "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>" }, new int[] { 1, 1, 1, 1, 1 }); |
| } |
| |
| [Test] |
| public virtual void TestReusableTokenStream() |
| { |
| AssertAnalyzesTo(analyzer, "あいうえおabcかきくけこ", new string[] { "あい", "いう", "うえ", "えお", "abc", "かき", "きく", "くけ", "けこ" }, new int[] { 0, 1, 2, 3, 5, 8, 9, 10, 11 }, new int[] { 2, 3, 4, 5, 8, 10, 11, 12, 13 }, new string[] { "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<ALPHANUM>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>" }, new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 1 }); |
| |
| AssertAnalyzesTo(analyzer, "あいうえおabんcかきくけ こ", new string[] { "あい", "いう", "うえ", "えお", "ab", "ん", "c", "かき", "きく", "くけ", "こ" }, new int[] { 0, 1, 2, 3, 5, 7, 8, 9, 10, 11, 14 }, new int[] { 2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 15 }, new string[] { "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<ALPHANUM>", "<SINGLE>", "<ALPHANUM>", "<DOUBLE>", "<DOUBLE>", "<DOUBLE>", "<SINGLE>" }, new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }); |
| } |
| |
| [Test] |
| public virtual void TestSingleChar() |
| { |
| AssertAnalyzesTo(analyzer, "一", new string[] { "一" }, new int[] { 0 }, new int[] { 1 }, new string[] { "<SINGLE>" }, new int[] { 1 }); |
| } |
| |
| [Test] |
| public virtual void TestTokenStream() |
| { |
| AssertAnalyzesTo(analyzer, "一丁丂", new string[] { "一丁", "丁丂" }, new int[] { 0, 1 }, new int[] { 2, 3 }, new string[] { "<DOUBLE>", "<DOUBLE>" }, new int[] { 1, 1 }); |
| } |
| |
| /// <summary> |
| /// test that offsets are correct when mappingcharfilter is previously applied </summary> |
| [Test] |
| public virtual void TestChangedOffsets() |
| { |
| NormalizeCharMap.Builder builder = new NormalizeCharMap.Builder(); |
| builder.Add("a", "一二"); |
| builder.Add("b", "二三"); |
| NormalizeCharMap norm = builder.Build(); |
| Analyzer analyzer = new AnalyzerAnonymousInnerClassHelper(this, norm); |
| |
| AssertAnalyzesTo(analyzer, "ab", new string[] { "一二", "二二", "二三" }, new int[] { 0, 0, 1 }, new int[] { 1, 1, 2 }); |
| |
| // note: offsets are strange since this is how the charfilter maps them... |
| // before bigramming, the 4 tokens look like: |
| // { 0, 0, 1, 1 }, |
| // { 0, 1, 1, 2 } |
| } |
| |
| private class AnalyzerAnonymousInnerClassHelper : Analyzer |
| { |
| private readonly TestCJKAnalyzer outerInstance; |
| |
| private NormalizeCharMap norm; |
| |
| public AnalyzerAnonymousInnerClassHelper(TestCJKAnalyzer outerInstance, NormalizeCharMap norm) |
| { |
| this.outerInstance = outerInstance; |
| this.norm = norm; |
| } |
| |
| public override TokenStreamComponents CreateComponents(string fieldName, TextReader reader) |
| { |
| Tokenizer tokenizer = new StandardTokenizer(TEST_VERSION_CURRENT, reader); |
| return new TokenStreamComponents(tokenizer, new CJKBigramFilter(tokenizer)); |
| } |
| |
| public override TextReader InitReader(string fieldName, TextReader reader) |
| { |
| return new MappingCharFilter(norm, reader); |
| } |
| } |
| |
| private class FakeStandardTokenizer : TokenFilter |
| { |
| internal readonly ITypeAttribute typeAtt; |
| |
| public FakeStandardTokenizer(TokenStream input) |
| : base(input) |
| { |
| typeAtt = AddAttribute<ITypeAttribute>(); |
| } |
| |
| public override sealed bool IncrementToken() |
| { |
| if (input.IncrementToken()) |
| { |
| typeAtt.Type = StandardTokenizer.TOKEN_TYPES[StandardTokenizer.IDEOGRAPHIC]; |
| return true; |
| } |
| else |
| { |
| return false; |
| } |
| } |
| } |
| |
| [Test] |
| public virtual void TestSingleChar2() |
| { |
| Analyzer analyzer = new AnalyzerAnonymousInnerClassHelper2(this); |
| |
| AssertAnalyzesTo(analyzer, "一", new string[] { "一" }, new int[] { 0 }, new int[] { 1 }, new string[] { "<SINGLE>" }, new int[] { 1 }); |
| } |
| |
| private class AnalyzerAnonymousInnerClassHelper2 : Analyzer |
| { |
| private readonly TestCJKAnalyzer outerInstance; |
| |
| public AnalyzerAnonymousInnerClassHelper2(TestCJKAnalyzer outerInstance) |
| { |
| this.outerInstance = outerInstance; |
| } |
| |
| |
| public override TokenStreamComponents CreateComponents(string fieldName, TextReader reader) |
| { |
| Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false); |
| TokenFilter filter = new FakeStandardTokenizer(tokenizer); |
| filter = new StopFilter(TEST_VERSION_CURRENT, filter, CharArraySet.EMPTY_SET); |
| filter = new CJKBigramFilter(filter); |
| return new TokenStreamComponents(tokenizer, filter); |
| } |
| } |
| |
| /// <summary> |
| /// blast some random strings through the analyzer </summary> |
| [Test] |
| public virtual void TestRandomStrings() |
| { |
| CheckRandomData(Random(), new CJKAnalyzer(TEST_VERSION_CURRENT), 1000 * RANDOM_MULTIPLIER); |
| } |
| |
| /// <summary> |
| /// blast some random strings through the analyzer </summary> |
| [Test] |
| public virtual void TestRandomHugeStrings() |
| { |
| Random random = Random(); |
| CheckRandomData(random, new CJKAnalyzer(TEST_VERSION_CURRENT), 100 * RANDOM_MULTIPLIER, 8192); |
| } |
| |
| [Test] |
| public virtual void TestEmptyTerm() |
| { |
| Analyzer a = new AnalyzerAnonymousInnerClassHelper3(this); |
| CheckOneTerm(a, "", ""); |
| } |
| |
| private class AnalyzerAnonymousInnerClassHelper3 : Analyzer |
| { |
| private readonly TestCJKAnalyzer outerInstance; |
| |
| public AnalyzerAnonymousInnerClassHelper3(TestCJKAnalyzer outerInstance) |
| { |
| this.outerInstance = outerInstance; |
| } |
| |
| public override TokenStreamComponents CreateComponents(string fieldName, TextReader reader) |
| { |
| Tokenizer tokenizer = new KeywordTokenizer(reader); |
| return new TokenStreamComponents(tokenizer, new CJKBigramFilter(tokenizer)); |
| } |
| } |
| } |
| } |
