package org.apache.lucene.analysis.icu.segmentation;
/*
* 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.
*/
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.TokenFilter;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.icu.ICUNormalizer2Filter;
import org.apache.lucene.analysis.icu.tokenattributes.ScriptAttribute;
import org.apache.lucene.util.IOUtils;
import com.ibm.icu.lang.UScript;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.util.Arrays;
import java.util.Random;
public class TestICUTokenizer extends BaseTokenStreamTestCase {
public void testHugeDoc() throws IOException {
StringBuilder sb = new StringBuilder();
char whitespace[] = new char[4094];
Arrays.fill(whitespace, ' ');
sb.append(whitespace);
sb.append("testing 1234");
String input = sb.toString();
ICUTokenizer tokenizer = new ICUTokenizer(new StringReader(input));
assertTokenStreamContents(tokenizer, new String[] { "testing", "1234" });
}
public void testHugeTerm2() throws IOException {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 40960; i++) {
sb.append('a');
}
String input = sb.toString();
ICUTokenizer tokenizer = new ICUTokenizer(new StringReader(input));
char token[] = new char[4096];
Arrays.fill(token, 'a');
String expectedToken = new String(token);
String expected[] = {
expectedToken, expectedToken, expectedToken,
expectedToken, expectedToken, expectedToken,
expectedToken, expectedToken, expectedToken,
expectedToken
};
assertTokenStreamContents(tokenizer, expected);
}
private Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName,
Reader reader) {
Tokenizer tokenizer = new ICUTokenizer(reader);
TokenFilter filter = new ICUNormalizer2Filter(tokenizer);
return new TokenStreamComponents(tokenizer, filter);
}
};
public void testArmenian() throws Exception {
assertAnalyzesTo(a, "Վիքիպեդիայի 13 միլիոն հոդվածները (4,600` հայերեն վիքիպեդիայում) գրվել են կամավորների կողմից ու համարյա բոլոր հոդվածները կարող է խմբագրել ցանկաց մարդ ով կարող է բացել Վիքիպեդիայի կայքը։",
new String[] { "վիքիպեդիայի", "13", "միլիոն", "հոդվածները", "4,600", "հայերեն", "վիքիպեդիայում", "գրվել", "են", "կամավորների", "կողմից",
"ու", "համարյա", "բոլոր", "հոդվածները", "կարող", "է", "խմբագրել", "ցանկաց", "մարդ", "ով", "կարող", "է", "բացել", "վիքիպեդիայի", "կայքը" } );
}
public void testAmharic() throws Exception {
assertAnalyzesTo(a, "ዊኪፔድያ የባለ ብዙ ቋንቋ የተሟላ ትክክለኛና ነጻ መዝገበ ዕውቀት (ኢንሳይክሎፒዲያ) ነው። ማንኛውም",
new String[] { "ዊኪፔድያ", "የባለ", "ብዙ", "ቋንቋ", "የተሟላ", "ትክክለኛና", "ነጻ", "መዝገበ", "ዕውቀት", "ኢንሳይክሎፒዲያ", "ነው", "ማንኛውም" } );
}
public void testArabic() throws Exception {
assertAnalyzesTo(a, "الفيلم الوثائقي الأول عن ويكيبيديا يسمى \"الحقيقة بالأرقام: قصة ويكيبيديا\" (بالإنجليزية: Truth in Numbers: The Wikipedia Story)، سيتم إطلاقه في 2008.",
new String[] { "الفيلم", "الوثائقي", "الأول", "عن", "ويكيبيديا", "يسمى", "الحقيقة", "بالأرقام", "قصة", "ويكيبيديا",
"بالإنجليزية", "truth", "in", "numbers", "the", "wikipedia", "story", "سيتم", "إطلاقه", "في", "2008" } );
}
public void testAramaic() throws Exception {
assertAnalyzesTo(a, "ܘܝܩܝܦܕܝܐ (ܐܢܓܠܝܐ: Wikipedia) ܗܘ ܐܝܢܣܩܠܘܦܕܝܐ ܚܐܪܬܐ ܕܐܢܛܪܢܛ ܒܠܫܢ̈ܐ ܣܓܝܐ̈ܐ܂ ܫܡܗ ܐܬܐ ܡܢ ܡ̈ܠܬܐ ܕ\"ܘܝܩܝ\" ܘ\"ܐܝܢܣܩܠܘܦܕܝܐ\"܀",
new String[] { "ܘܝܩܝܦܕܝܐ", "ܐܢܓܠܝܐ", "wikipedia", "ܗܘ", "ܐܝܢܣܩܠܘܦܕܝܐ", "ܚܐܪܬܐ", "ܕܐܢܛܪܢܛ", "ܒܠܫܢ̈ܐ", "ܣܓܝܐ̈ܐ", "ܫܡܗ",
"ܐܬܐ", "ܡܢ", "ܡ̈ܠܬܐ", "ܕ", "ܘܝܩܝ", "ܘ", "ܐܝܢܣܩܠܘܦܕܝܐ"});
}
public void testBengali() throws Exception {
assertAnalyzesTo(a, "এই বিশ্বকোষ পরিচালনা করে উইকিমিডিয়া ফাউন্ডেশন (একটি অলাভজনক সংস্থা)। উইকিপিডিয়ার শুরু ১৫ জানুয়ারি, ২০০১ সালে। এখন পর্যন্ত ২০০টিরও বেশী ভাষায় উইকিপিডিয়া রয়েছে।",
new String[] { "এই", "বিশ্বকোষ", "পরিচালনা", "করে", "উইকিমিডিয়া", "ফাউন্ডেশন", "একটি", "অলাভজনক", "সংস্থা", "উইকিপিডিয়ার",
"শুরু", "১৫", "জানুয়ারি", "২০০১", "সালে", "এখন", "পর্যন্ত", "২০০টিরও", "বেশী", "ভাষায়", "উইকিপিডিয়া", "রয়েছে" });
}
public void testFarsi() throws Exception {
assertAnalyzesTo(a, "ویکی پدیای انگلیسی در تاریخ ۲۵ دی ۱۳۷۹ به صورت مکملی برای دانشنامهٔ تخصصی نوپدیا نوشته شد.",
new String[] { "ویکی", "پدیای", "انگلیسی", "در", "تاریخ", "۲۵", "دی", "۱۳۷۹", "به", "صورت", "مکملی",
"برای", "دانشنامهٔ", "تخصصی", "نوپدیا", "نوشته", "شد" });
}
public void testGreek() throws Exception {
assertAnalyzesTo(a, "Γράφεται σε συνεργασία από εθελοντές με το λογισμικό wiki, κάτι που σημαίνει ότι άρθρα μπορεί να προστεθούν ή να αλλάξουν από τον καθένα.",
new String[] { "γράφεται", "σε", "συνεργασία", "από", "εθελοντέσ", "με", "το", "λογισμικό", "wiki", "κάτι", "που",
"σημαίνει", "ότι", "άρθρα", "μπορεί", "να", "προστεθούν", "ή", "να", "αλλάξουν", "από", "τον", "καθένα" });
}
public void testLao() throws Exception {
assertAnalyzesTo(a, "ກວ່າດອກ", new String[] { "ກວ່າ", "ດອກ" });
}
public void testThai() throws Exception {
assertAnalyzesTo(a, "การที่ได้ต้องแสดงว่างานดี. แล้วเธอจะไปไหน? ๑๒๓๔",
new String[] { "การ", "ที่", "ได้", "ต้อง", "แสดง", "ว่า", "งาน", "ดี", "แล้ว", "เธอ", "จะ", "ไป", "ไหน", "๑๒๓๔"});
}
public void testTibetan() throws Exception {
assertAnalyzesTo(a, "སྣོན་མཛོད་དང་ལས་འདིས་བོད་ཡིག་མི་ཉམས་གོང་འཕེལ་དུ་གཏོང་བར་ཧ་ཅང་དགེ་མཚན་མཆིས་སོ། །",
new String[] { "སྣོན", "མཛོད", "དང", "ལས", "འདིས", "བོད", "ཡིག", "མི", "ཉམས", "གོང", "འཕེལ", "དུ", "གཏོང", "བར", "ཧ", "ཅང", "དགེ", "མཚན", "མཆིས", "སོ" });
}
/*
* For chinese, tokenize as char (these can later form bigrams or whatever)
*/
public void testChinese() throws Exception {
assertAnalyzesTo(a, "我是中国人。 １２３４ Ｔｅｓｔｓ ",
new String[] { "我", "是", "中", "国", "人", "1234", "tests"});
}
public void testEmpty() throws Exception {
assertAnalyzesTo(a, "", new String[] {});
assertAnalyzesTo(a, ".", new String[] {});
assertAnalyzesTo(a, " ", new String[] {});
}
/* test various jira issues this analyzer is related to */
public void testLUCENE1545() throws Exception {
/*
* Standard analyzer does not correctly tokenize combining character U+0364 COMBINING LATIN SMALL LETTRE E.
* The word "moͤchte" is incorrectly tokenized into "mo" "chte", the combining character is lost.
* Expected result is only on token "moͤchte".
*/
assertAnalyzesTo(a, "moͤchte", new String[] { "moͤchte" });
}
/* Tests from StandardAnalyzer, just to show behavior is similar */
public void testAlphanumericSA() throws Exception {
// alphanumeric tokens
assertAnalyzesTo(a, "B2B", new String[]{"b2b"});
assertAnalyzesTo(a, "2B", new String[]{"2b"});
}
public void testDelimitersSA() throws Exception {
// other delimiters: "-", "/", ","
assertAnalyzesTo(a, "some-dashed-phrase", new String[]{"some", "dashed", "phrase"});
assertAnalyzesTo(a, "dogs,chase,cats", new String[]{"dogs", "chase", "cats"});
assertAnalyzesTo(a, "ac/dc", new String[]{"ac", "dc"});
}
public void testApostrophesSA() throws Exception {
// internal apostrophes: O'Reilly, you're, O'Reilly's
assertAnalyzesTo(a, "O'Reilly", new String[]{"o'reilly"});
assertAnalyzesTo(a, "you're", new String[]{"you're"});
assertAnalyzesTo(a, "she's", new String[]{"she's"});
assertAnalyzesTo(a, "Jim's", new String[]{"jim's"});
assertAnalyzesTo(a, "don't", new String[]{"don't"});
assertAnalyzesTo(a, "O'Reilly's", new String[]{"o'reilly's"});
}
public void testNumericSA() throws Exception {
// floating point, serial, model numbers, ip addresses, etc.
// every other segment must have at least one digit
assertAnalyzesTo(a, "21.35", new String[]{"21.35"});
assertAnalyzesTo(a, "R2D2 C3PO", new String[]{"r2d2", "c3po"});
assertAnalyzesTo(a, "216.239.63.104", new String[]{"216.239.63.104"});
assertAnalyzesTo(a, "216.239.63.104", new String[]{"216.239.63.104"});
}
public void testTextWithNumbersSA() throws Exception {
// numbers
assertAnalyzesTo(a, "David has 5000 bones", new String[]{"david", "has", "5000", "bones"});
}
public void testVariousTextSA() throws Exception {
// various
assertAnalyzesTo(a, "C embedded developers wanted", new String[]{"c", "embedded", "developers", "wanted"});
assertAnalyzesTo(a, "foo bar FOO BAR", new String[]{"foo", "bar", "foo", "bar"});
assertAnalyzesTo(a, "foo bar . FOO <> BAR", new String[]{"foo", "bar", "foo", "bar"});
assertAnalyzesTo(a, "\"QUOTED\" word", new String[]{"quoted", "word"});
}
public void testKoreanSA() throws Exception {
// Korean words
assertAnalyzesTo(a, "안녕하세요 한글입니다", new String[]{"안녕하세요", "한글입니다"});
}
public void testReusableTokenStream() throws Exception {
assertAnalyzesTo(a, "སྣོན་མཛོད་དང་ལས་འདིས་བོད་ཡིག་མི་ཉམས་གོང་འཕེལ་དུ་གཏོང་བར་ཧ་ཅང་དགེ་མཚན་མཆིས་སོ། །",
new String[] { "སྣོན", "མཛོད", "དང", "ལས", "འདིས", "བོད", "ཡིག", "མི", "ཉམས", "གོང",
"འཕེལ", "དུ", "གཏོང", "བར", "ཧ", "ཅང", "དགེ", "མཚན", "མཆིས", "སོ" });
}
public void testOffsets() throws Exception {
assertAnalyzesTo(a, "David has 5000 bones",
new String[] {"david", "has", "5000", "bones"},
new int[] {0, 6, 10, 15},
new int[] {5, 9, 14, 20});
}
public void testTypes() throws Exception {
assertAnalyzesTo(a, "David has 5000 bones",
new String[] {"david", "has", "5000", "bones"},
new String[] { "<ALPHANUM>", "<ALPHANUM>", "<NUM>", "<ALPHANUM>" });
}
public void testKorean() throws Exception {
BaseTokenStreamTestCase.assertAnalyzesTo(a, "훈민정음",
new String[] { "훈민정음" },
new String[] { "<HANGUL>" });
}
public void testJapanese() throws Exception {
BaseTokenStreamTestCase.assertAnalyzesTo(a, "仮名遣い カタカナ",
new String[] { "仮", "名", "遣", "い", "カタカナ" },
new String[] { "<IDEOGRAPHIC>", "<IDEOGRAPHIC>", "<IDEOGRAPHIC>", "<HIRAGANA>", "<KATAKANA>" });
}
/** blast some random strings through the analyzer */
public void testRandomStrings() throws Exception {
checkRandomData(random(), a, 1000*RANDOM_MULTIPLIER);
}
/** blast some random large strings through the analyzer */
public void testRandomHugeStrings() throws Exception {
Random random = random();
checkRandomData(random, a, 100*RANDOM_MULTIPLIER, 8192);
}
public void testTokenAttributes() throws Exception {
TokenStream ts = a.tokenStream("dummy", "This is a test");
try {
ScriptAttribute scriptAtt = ts.addAttribute(ScriptAttribute.class);
ts.reset();
while (ts.incrementToken()) {
assertEquals(UScript.LATIN, scriptAtt.getCode());
assertEquals(UScript.getName(UScript.LATIN), scriptAtt.getName());
assertEquals(UScript.getShortName(UScript.LATIN), scriptAtt.getShortName());
assertTrue(ts.reflectAsString(false).contains("script=Latin"));
}
ts.end();
} finally {
IOUtils.closeWhileHandlingException(ts);
}
}
}