| /* |
| * 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. |
| */ |
| package org.apache.lucene.analysis.ja; |
| |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.io.Writer; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.CharArraySet; |
| import org.apache.lucene.analysis.TokenStream; |
| import org.apache.lucene.analysis.Tokenizer; |
| import org.apache.lucene.analysis.miscellaneous.SetKeywordMarkerFilter; |
| import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| |
| public class TestJapaneseNumberFilter extends BaseTokenStreamTestCase { |
| private Analyzer analyzer; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| analyzer = |
| new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer tokenizer = |
| new JapaneseTokenizer( |
| newAttributeFactory(), null, false, false, JapaneseTokenizer.Mode.SEARCH); |
| return new TokenStreamComponents(tokenizer, new JapaneseNumberFilter(tokenizer)); |
| } |
| }; |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| analyzer.close(); |
| super.tearDown(); |
| } |
| |
| @Test |
| public void testBasics() throws IOException { |
| |
| assertAnalyzesTo( |
| analyzer, |
| "本日十万二千五百円のワインを買った", |
| new String[] {"本日", "102500", "円", "の", "ワイン", "を", "買っ", "た"}, |
| new int[] {0, 2, 8, 9, 10, 13, 14, 16}, |
| new int[] {2, 8, 9, 10, 13, 14, 16, 17}); |
| |
| assertAnalyzesTo( |
| analyzer, |
| "昨日のお寿司は10万円でした。", |
| new String[] {"昨日", "の", "お", "寿司", "は", "100000", "円", "でし", "た", "。"}, |
| new int[] {0, 2, 3, 4, 6, 7, 10, 11, 13, 14}, |
| new int[] {2, 3, 4, 6, 7, 10, 11, 13, 14, 15}); |
| |
| assertAnalyzesTo( |
| analyzer, |
| "アティリカの資本金は600万円です", |
| new String[] {"アティリカ", "の", "資本", "金", "は", "6000000", "円", "です"}, |
| new int[] {0, 5, 6, 8, 9, 10, 14, 15}, |
| new int[] {5, 6, 8, 9, 10, 14, 15, 17}); |
| } |
| |
| @Test |
| public void testVariants() throws IOException { |
| // Test variants of three |
| assertAnalyzesTo(analyzer, "3", new String[] {"3"}); |
| assertAnalyzesTo(analyzer, "3", new String[] {"3"}); |
| assertAnalyzesTo(analyzer, "三", new String[] {"3"}); |
| |
| // Test three variations with trailing zero |
| assertAnalyzesTo(analyzer, "03", new String[] {"3"}); |
| assertAnalyzesTo(analyzer, "03", new String[] {"3"}); |
| assertAnalyzesTo(analyzer, "〇三", new String[] {"3"}); |
| assertAnalyzesTo(analyzer, "003", new String[] {"3"}); |
| assertAnalyzesTo(analyzer, "003", new String[] {"3"}); |
| assertAnalyzesTo(analyzer, "〇〇三", new String[] {"3"}); |
| |
| // Test thousand variants |
| assertAnalyzesTo(analyzer, "千", new String[] {"1000"}); |
| assertAnalyzesTo(analyzer, "1千", new String[] {"1000"}); |
| assertAnalyzesTo(analyzer, "1千", new String[] {"1000"}); |
| assertAnalyzesTo(analyzer, "一千", new String[] {"1000"}); |
| assertAnalyzesTo(analyzer, "一〇〇〇", new String[] {"1000"}); |
| assertAnalyzesTo(analyzer, "10百", new String[] {"1000"}); // Strange, but supported |
| } |
| |
| @Test |
| public void testLargeVariants() throws IOException { |
| // Test large numbers |
| assertAnalyzesTo(analyzer, "三五七八九", new String[] {"35789"}); |
| assertAnalyzesTo(analyzer, "六百二万五千一", new String[] {"6025001"}); |
| assertAnalyzesTo(analyzer, "兆六百万五千一", new String[] {"1000006005001"}); |
| assertAnalyzesTo(analyzer, "十兆六百万五千一", new String[] {"10000006005001"}); |
| assertAnalyzesTo(analyzer, "一京一", new String[] {"10000000000000001"}); |
| assertAnalyzesTo(analyzer, "十京十", new String[] {"100000000000000010"}); |
| assertAnalyzesTo(analyzer, "垓京兆億万千百十一", new String[] {"100010001000100011111"}); |
| } |
| |
| @Test |
| public void testNegative() throws IOException { |
| assertAnalyzesTo(analyzer, "-100万", new String[] {"-", "1000000"}); |
| } |
| |
| @Test |
| public void testMixed() throws IOException { |
| // Test mixed numbers |
| assertAnalyzesTo(analyzer, "三千2百2十三", new String[] {"3223"}); |
| assertAnalyzesTo(analyzer, "32二三", new String[] {"3223"}); |
| } |
| |
| @Test |
| public void testNininsankyaku() throws IOException { |
| // Unstacked tokens |
| assertAnalyzesTo(analyzer, "二", new String[] {"2"}); |
| assertAnalyzesTo(analyzer, "二人", new String[] {"2", "人"}); |
| assertAnalyzesTo(analyzer, "二人三", new String[] {"2", "人", "3"}); |
| // Stacked tokens - emit tokens as they are |
| assertAnalyzesTo(analyzer, "二人三脚", new String[] {"二", "二人三脚", "人", "三", "脚"}); |
| } |
| |
| @Test |
| public void testFujiyaichinisanu() throws IOException { |
| // Stacked tokens with a numeral partial |
| assertAnalyzesTo(analyzer, "不二家一二三", new String[] {"不", "不二家", "二", "家", "123"}); |
| } |
| |
| @Test |
| public void testFunny() throws IOException { |
| // Test some oddities for inconsistent input |
| assertAnalyzesTo(analyzer, "十十", new String[] {"20"}); // 100? |
| assertAnalyzesTo(analyzer, "百百百", new String[] {"300"}); // 10,000? |
| assertAnalyzesTo(analyzer, "千千千千", new String[] {"4000"}); // 1,000,000,000,000? |
| } |
| |
| @Test |
| public void testKanjiArabic() throws IOException { |
| // Test kanji numerals used as Arabic numbers (with head zero) |
| assertAnalyzesTo(analyzer, "〇一二三四五六七八九九八七六五四三二一〇", new String[] {"1234567899876543210"}); |
| |
| // I'm Bond, James "normalized" Bond... |
| assertAnalyzesTo(analyzer, "〇〇七", new String[] {"7"}); |
| } |
| |
| @Test |
| public void testDoubleZero() throws IOException { |
| assertAnalyzesTo( |
| analyzer, "〇〇", new String[] {"0"}, new int[] {0}, new int[] {2}, new int[] {1}); |
| } |
| |
| @Test |
| public void testName() throws IOException { |
| // Test name that normalises to number |
| assertAnalyzesTo( |
| analyzer, |
| "田中京一", |
| new String[] {"田中", "10000000000000001"}, // 京一 is normalized to a number |
| new int[] {0, 2}, |
| new int[] {2, 4}, |
| new int[] {1, 1}); |
| |
| // An analyzer that marks 京一 as a keyword |
| Analyzer keywordMarkingAnalyzer = |
| new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| CharArraySet set = new CharArraySet(1, false); |
| set.add("京一"); |
| |
| Tokenizer tokenizer = |
| new JapaneseTokenizer( |
| newAttributeFactory(), null, false, JapaneseTokenizer.Mode.SEARCH); |
| return new TokenStreamComponents( |
| tokenizer, new JapaneseNumberFilter(new SetKeywordMarkerFilter(tokenizer, set))); |
| } |
| }; |
| |
| assertAnalyzesTo( |
| keywordMarkingAnalyzer, |
| "田中京一", |
| new String[] {"田中", "京一"}, // 京一 is not normalized |
| new int[] {0, 2}, |
| new int[] {2, 4}, |
| new int[] {1, 1}); |
| keywordMarkingAnalyzer.close(); |
| } |
| |
| @Test |
| public void testDecimal() throws IOException { |
| // Test Arabic numbers with punctuation, i.e. 3.2 thousands |
| assertAnalyzesTo(analyzer, "1.2万345.67", new String[] {"12345.67"}); |
| } |
| |
| @Test |
| public void testDecimalPunctuation() throws IOException { |
| // Test Arabic numbers with punctuation, i.e. 3.2 thousands yen |
| assertAnalyzesTo(analyzer, "3.2千円", new String[] {"3200", "円"}); |
| } |
| |
| @Test |
| public void testThousandSeparator() throws IOException { |
| assertAnalyzesTo(analyzer, "4,647", new String[] {"4647"}); |
| } |
| |
| @Test |
| public void testDecimalThousandSeparator() throws IOException { |
| assertAnalyzesTo(analyzer, "4,647.0010", new String[] {"4647.001"}); |
| } |
| |
| @Test |
| public void testCommaDecimalSeparator() throws IOException { |
| assertAnalyzesTo(analyzer, "15,7", new String[] {"157"}); |
| } |
| |
| @Test |
| public void testTrailingZeroStripping() throws IOException { |
| assertAnalyzesTo(analyzer, "1000.1000", new String[] {"1000.1"}); |
| assertAnalyzesTo(analyzer, "1000.0000", new String[] {"1000"}); |
| } |
| |
| @Test |
| public void testEmpty() throws IOException { |
| assertAnalyzesTo(analyzer, "", new String[] {}); |
| } |
| |
| @Test |
| public void testRandomHugeStrings() throws Exception { |
| checkRandomData(random(), analyzer, RANDOM_MULTIPLIER, 4096); |
| } |
| |
| @Test |
| @Nightly |
| public void testRandomHugeStringsAtNight() throws Exception { |
| checkRandomData(random(), analyzer, 3 * RANDOM_MULTIPLIER, 8192); |
| } |
| |
| @Test |
| public void testRandomSmallStrings() throws Exception { |
| checkRandomData(random(), analyzer, 100 * RANDOM_MULTIPLIER, 128); |
| } |
| |
| @Test |
| public void testFunnyIssue() throws Exception { |
| BaseTokenStreamTestCase.checkAnalysisConsistency( |
| random(), analyzer, true, "〇〇\u302f\u3029\u3039\u3023\u3033\u302bB", true); |
| } |
| |
| @Ignore( |
| "This test is used during development when analyze normalizations in large amounts of text") |
| @Test |
| public void testLargeData() throws IOException { |
| Path input = Paths.get("/tmp/test.txt"); |
| Path tokenizedOutput = Paths.get("/tmp/test.tok.txt"); |
| Path normalizedOutput = Paths.get("/tmp/test.norm.txt"); |
| |
| Analyzer plainAnalyzer = |
| new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer tokenizer = |
| new JapaneseTokenizer( |
| newAttributeFactory(), null, false, JapaneseTokenizer.Mode.SEARCH); |
| return new TokenStreamComponents(tokenizer); |
| } |
| }; |
| |
| analyze( |
| plainAnalyzer, |
| Files.newBufferedReader(input, StandardCharsets.UTF_8), |
| Files.newBufferedWriter(tokenizedOutput, StandardCharsets.UTF_8)); |
| |
| analyze( |
| analyzer, |
| Files.newBufferedReader(input, StandardCharsets.UTF_8), |
| Files.newBufferedWriter(normalizedOutput, StandardCharsets.UTF_8)); |
| plainAnalyzer.close(); |
| } |
| |
| public void analyze(Analyzer analyzer, Reader reader, Writer writer) throws IOException { |
| TokenStream stream = analyzer.tokenStream("dummy", reader); |
| stream.reset(); |
| |
| CharTermAttribute termAttr = stream.addAttribute(CharTermAttribute.class); |
| |
| while (stream.incrementToken()) { |
| writer.write(termAttr.toString()); |
| writer.write("\n"); |
| } |
| |
| reader.close(); |
| writer.close(); |
| } |
| } |