| /* |
| * 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.cjk; |
| |
| |
| import java.util.Random; |
| |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.Tokenizer; |
| import org.apache.lucene.analysis.standard.StandardTokenizer; |
| import org.apache.lucene.util.IOUtils; |
| |
| public class TestCJKBigramFilter extends BaseTokenStreamTestCase { |
| Analyzer analyzer, unibiAnalyzer; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| analyzer = new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer t = new StandardTokenizer(); |
| return new TokenStreamComponents(t, new CJKBigramFilter(t)); |
| } |
| }; |
| unibiAnalyzer = new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer t = new StandardTokenizer(); |
| return new TokenStreamComponents(t, |
| new CJKBigramFilter(t, 0xff, true)); |
| } |
| }; |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| IOUtils.close(analyzer, unibiAnalyzer); |
| super.tearDown(); |
| } |
| |
| public void testHuge() throws Exception { |
| assertAnalyzesTo(analyzer, "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" |
| + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" |
| + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた", |
| new String[] { |
| "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた", "た多", |
| "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた", "た多", |
| "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた", "た多", |
| "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた", "た多", |
| "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた", "た多", |
| "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた", "た多", |
| "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた", "た多", |
| "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた", "た多", |
| "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた", "た多", |
| "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた", "た多", |
| "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた" |
| } |
| ); |
| } |
| |
| public void testHanOnly() throws Exception { |
| Analyzer a = new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer t = new StandardTokenizer(); |
| return new TokenStreamComponents(t, new CJKBigramFilter(t, CJKBigramFilter.HAN)); |
| } |
| }; |
| assertAnalyzesTo(a, "多くの学生が試験に落ちた。", |
| new String[] { "多", "く", "の", "学生", "が", "試験", "に", "落", "ち", "た" }, |
| new int[] { 0, 1, 2, 3, 5, 6, 8, 9, 10, 11 }, |
| new int[] { 1, 2, 3, 5, 6, 8, 9, 10, 11, 12 }, |
| new String[] { "<SINGLE>", "<HIRAGANA>", "<HIRAGANA>", "<DOUBLE>", "<HIRAGANA>", "<DOUBLE>", |
| "<HIRAGANA>", "<SINGLE>", "<HIRAGANA>", "<HIRAGANA>", "<SINGLE>" }, |
| new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }, |
| new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }); |
| a.close(); |
| } |
| |
| public void testAllScripts() throws Exception { |
| Analyzer a = new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer t = new StandardTokenizer(); |
| return new TokenStreamComponents(t, |
| new CJKBigramFilter(t, 0xff, false)); |
| } |
| }; |
| assertAnalyzesTo(a, "多くの学生が試験に落ちた。", |
| new String[] { "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた" }); |
| a.close(); |
| } |
| |
| public void testUnigramsAndBigramsAllScripts() throws Exception { |
| assertAnalyzesTo(unibiAnalyzer, "多くの学生が試験に落ちた。", |
| new String[] { |
| "多", "多く", "く", "くの", "の", "の学", "学", "学生", "生", |
| "生が", "が", "が試", "試", "試験", "験", "験に", "に", |
| "に落", "落", "落ち", "ち", "ちた", "た" |
| }, |
| new int[] { 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, |
| 6, 7, 7, 8, 8, 9, 9, 10, 10, 11 }, |
| new int[] { 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, |
| 8, 8, 9, 9, 10, 10, 11, 11, 12, 12 }, |
| new String[] { "<SINGLE>", "<DOUBLE>", "<SINGLE>", "<DOUBLE>", "<SINGLE>", "<DOUBLE>", "<SINGLE>", "<DOUBLE>", |
| "<SINGLE>", "<DOUBLE>", "<SINGLE>", "<DOUBLE>", "<SINGLE>", "<DOUBLE>", "<SINGLE>", "<DOUBLE>", |
| "<SINGLE>", "<DOUBLE>", "<SINGLE>", "<DOUBLE>", "<SINGLE>", "<DOUBLE>", "<SINGLE>" }, |
| new int[] { 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, |
| 0, 1, 0, 1, 0, 1, 0, 1, 0, 1 }, |
| new int[] { 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, |
| 2, 1, 2, 1, 2, 1, 2, 1, 2, 1 } |
| ); |
| } |
| |
| public void testUnigramsAndBigramsHanOnly() throws Exception { |
| Analyzer a = new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer t = new StandardTokenizer(); |
| return new TokenStreamComponents(t, new CJKBigramFilter(t, CJKBigramFilter.HAN, true)); |
| } |
| }; |
| assertAnalyzesTo(a, "多くの学生が試験に落ちた。", |
| new String[] { "多", "く", "の", "学", "学生", "生", "が", "試", "試験", "験", "に", "落", "ち", "た" }, |
| new int[] { 0, 1, 2, 3, 3, 4, 5, 6, 6, 7, 8, 9, 10, 11 }, |
| new int[] { 1, 2, 3, 4, 5, 5, 6, 7, 8, 8, 9, 10, 11, 12 }, |
| new String[] { "<SINGLE>", "<HIRAGANA>", "<HIRAGANA>", "<SINGLE>", "<DOUBLE>", |
| "<SINGLE>", "<HIRAGANA>", "<SINGLE>", "<DOUBLE>", "<SINGLE>", |
| "<HIRAGANA>", "<SINGLE>", "<HIRAGANA>", "<HIRAGANA>", "<SINGLE>" }, |
| new int[] { 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1 }, |
| new int[] { 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1 }); |
| a.close(); |
| } |
| |
| public void testUnigramsAndBigramsHuge() throws Exception { |
| assertAnalyzesTo(unibiAnalyzer, "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" |
| + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" |
| + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた" + "多くの学生が試験に落ちた", |
| new String[] { |
| "多", "多く", "く", "くの", "の", "の学", "学", "学生", "生", "生が", "が", "が試", "試", "試験", "験", "験に", "に", "に落", "落", "落ち", "ち", "ちた", "た", "た多", |
| "多", "多く", "く", "くの", "の", "の学", "学", "学生", "生", "生が", "が", "が試", "試", "試験", "験", "験に", "に", "に落", "落", "落ち", "ち", "ちた", "た", "た多", |
| "多", "多く", "く", "くの", "の", "の学", "学", "学生", "生", "生が", "が", "が試", "試", "試験", "験", "験に", "に", "に落", "落", "落ち", "ち", "ちた", "た", "た多", |
| "多", "多く", "く", "くの", "の", "の学", "学", "学生", "生", "生が", "が", "が試", "試", "試験", "験", "験に", "に", "に落", "落", "落ち", "ち", "ちた", "た", "た多", |
| "多", "多く", "く", "くの", "の", "の学", "学", "学生", "生", "生が", "が", "が試", "試", "試験", "験", "験に", "に", "に落", "落", "落ち", "ち", "ちた", "た", "た多", |
| "多", "多く", "く", "くの", "の", "の学", "学", "学生", "生", "生が", "が", "が試", "試", "試験", "験", "験に", "に", "に落", "落", "落ち", "ち", "ちた", "た", "た多", |
| "多", "多く", "く", "くの", "の", "の学", "学", "学生", "生", "生が", "が", "が試", "試", "試験", "験", "験に", "に", "に落", "落", "落ち", "ち", "ちた", "た", "た多", |
| "多", "多く", "く", "くの", "の", "の学", "学", "学生", "生", "生が", "が", "が試", "試", "試験", "験", "験に", "に", "に落", "落", "落ち", "ち", "ちた", "た", "た多", |
| "多", "多く", "く", "くの", "の", "の学", "学", "学生", "生", "生が", "が", "が試", "試", "試験", "験", "験に", "に", "に落", "落", "落ち", "ち", "ちた", "た", "た多", |
| "多", "多く", "く", "くの", "の", "の学", "学", "学生", "生", "生が", "が", "が試", "試", "試験", "験", "験に", "に", "に落", "落", "落ち", "ち", "ちた", "た", "た多", |
| "多", "多く", "く", "くの", "の", "の学", "学", "学生", "生", "生が", "が", "が試", "試", "試験", "験", "験に", "に", "に落", "落", "落ち", "ち", "ちた", "た" |
| } |
| ); |
| } |
| |
| /** blast some random strings through the analyzer */ |
| public void testRandomUnibiStrings() throws Exception { |
| checkRandomData(random(), unibiAnalyzer, 200 * RANDOM_MULTIPLIER); |
| } |
| |
| /** blast some random strings through the analyzer */ |
| public void testRandomUnibiHugeStrings() throws Exception { |
| Random random = random(); |
| checkRandomData(random, unibiAnalyzer, 10 * RANDOM_MULTIPLIER, 8192); |
| } |
| } |
