package org.apache.lucene.analysis.core;
/*
* 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 java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.util.Arrays;
import java.util.Random;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.MockGraphTokenFilter;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.analysis.standard.StandardTokenizer;
import org.apache.lucene.util.Version;
public class TestStandardAnalyzer 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();
StandardTokenizer tokenizer = new StandardTokenizer(TEST_VERSION_CURRENT, new StringReader(input));
BaseTokenStreamTestCase.assertTokenStreamContents(tokenizer, new String[] { "testing", "1234" });
}
private Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents
(String fieldName, Reader reader) {
Tokenizer tokenizer = new StandardTokenizer(TEST_VERSION_CURRENT, newAttributeFactory(), reader);
return new TokenStreamComponents(tokenizer);
}
};
public void testArmenian() throws Exception {
BaseTokenStreamTestCase.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 {
BaseTokenStreamTestCase.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 {
BaseTokenStreamTestCase.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 {
BaseTokenStreamTestCase.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 {
BaseTokenStreamTestCase.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 {
BaseTokenStreamTestCase.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 {
BaseTokenStreamTestCase.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 testThai() throws Exception {
BaseTokenStreamTestCase.assertAnalyzesTo(a, "การที่ได้ต้องแสดงว่างานดี. แล้วเธอจะไปไหน? ๑๒๓๔",
new String[] { "การที่ได้ต้องแสดงว่างานดี", "แล้วเธอจะไปไหน", "๑๒๓๔" });
}
public void testLao() throws Exception {
BaseTokenStreamTestCase.assertAnalyzesTo(a, "ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ",
new String[] { "ສາທາລະນະລັດ", "ປະຊາທິປະໄຕ", "ປະຊາຊົນລາວ" });
}
public void testTibetan() throws Exception {
BaseTokenStreamTestCase.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 {
BaseTokenStreamTestCase.assertAnalyzesTo(a, "我是中国人。 １２３４ Ｔｅｓｔｓ ",
new String[] { "我", "是", "中", "国", "人", "１２３４", "Ｔｅｓｔｓ"});
}
public void testEmpty() throws Exception {
BaseTokenStreamTestCase.assertAnalyzesTo(a, "", new String[] {});
BaseTokenStreamTestCase.assertAnalyzesTo(a, ".", new String[] {});
BaseTokenStreamTestCase.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".
*/
BaseTokenStreamTestCase.assertAnalyzesTo(a, "moͤchte", new String[] { "moͤchte" });
}
/* Tests from StandardAnalyzer, just to show behavior is similar */
public void testAlphanumericSA() throws Exception {
// alphanumeric tokens
BaseTokenStreamTestCase.assertAnalyzesTo(a, "B2B", new String[]{"B2B"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "2B", new String[]{"2B"});
}
public void testDelimitersSA() throws Exception {
// other delimiters: "-", "/", ","
BaseTokenStreamTestCase.assertAnalyzesTo(a, "some-dashed-phrase", new String[]{"some", "dashed", "phrase"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "dogs,chase,cats", new String[]{"dogs", "chase", "cats"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "ac/dc", new String[]{"ac", "dc"});
}
public void testApostrophesSA() throws Exception {
// internal apostrophes: O'Reilly, you're, O'Reilly's
BaseTokenStreamTestCase.assertAnalyzesTo(a, "O'Reilly", new String[]{"O'Reilly"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "you're", new String[]{"you're"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "she's", new String[]{"she's"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "Jim's", new String[]{"Jim's"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "don't", new String[]{"don't"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "O'Reilly's", new String[]{"O'Reilly's"});
}
public void testNumericSA() throws Exception {
// floating point, serial, model numbers, ip addresses, etc.
BaseTokenStreamTestCase.assertAnalyzesTo(a, "21.35", new String[]{"21.35"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "R2D2 C3PO", new String[]{"R2D2", "C3PO"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "216.239.63.104", new String[]{"216.239.63.104"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "216.239.63.104", new String[]{"216.239.63.104"});
}
public void testTextWithNumbersSA() throws Exception {
// numbers
BaseTokenStreamTestCase.assertAnalyzesTo(a, "David has 5000 bones", new String[]{"David", "has", "5000", "bones"});
}
public void testVariousTextSA() throws Exception {
// various
BaseTokenStreamTestCase.assertAnalyzesTo(a, "C embedded developers wanted", new String[]{"C", "embedded", "developers", "wanted"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "foo bar FOO BAR", new String[]{"foo", "bar", "FOO", "BAR"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "foo bar . FOO <> BAR", new String[]{"foo", "bar", "FOO", "BAR"});
BaseTokenStreamTestCase.assertAnalyzesTo(a, "\"QUOTED\" word", new String[]{"QUOTED", "word"});
}
public void testKoreanSA() throws Exception {
// Korean words
BaseTokenStreamTestCase.assertAnalyzesTo(a, "안녕하세요 한글입니다", new String[]{"안녕하세요", "한글입니다"});
}
public void testOffsets() throws Exception {
BaseTokenStreamTestCase.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 {
BaseTokenStreamTestCase.assertAnalyzesTo(a, "David has 5000 bones",
new String[] {"David", "has", "5000", "bones"},
new String[] { "<ALPHANUM>", "<ALPHANUM>", "<NUM>", "<ALPHANUM>" });
}
public void testUnicodeWordBreaks() throws Exception {
WordBreakTestUnicode_6_3_0 wordBreakTest = new WordBreakTestUnicode_6_3_0();
wordBreakTest.test(a);
}
public void testSupplementary() throws Exception {
BaseTokenStreamTestCase.assertAnalyzesTo(a, "𩬅艱鍟䇹愯瀛",
new String[] {"𩬅", "艱", "鍟", "䇹", "愯", "瀛"},
new String[] { "<IDEOGRAPHIC>", "<IDEOGRAPHIC>", "<IDEOGRAPHIC>", "<IDEOGRAPHIC>", "<IDEOGRAPHIC>", "<IDEOGRAPHIC>" });
}
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>" });
}
public void testCombiningMarks() throws Exception {
checkOneTerm(a, "ざ", "ざ"); // hiragana
checkOneTerm(a, "ザ", "ザ"); // katakana
checkOneTerm(a, "壹゙", "壹゙"); // ideographic
checkOneTerm(a, "아゙", "아゙"); // hangul
}
/**
* Multiple consecutive chars in \p{WB:MidLetter}, \p{WB:MidNumLet},
* and/or \p{MidNum} should trigger a token split.
*/
public void testMid() throws Exception {
// ':' is in \p{WB:MidLetter}, which should trigger a split unless there is a Letter char on both sides
BaseTokenStreamTestCase.assertAnalyzesTo(a, "A:B", new String[] { "A:B" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "A::B", new String[] { "A", "B" });
// '.' is in \p{WB:MidNumLet}, which should trigger a split unless there is a Letter or Numeric char on both sides
BaseTokenStreamTestCase.assertAnalyzesTo(a, "1.2", new String[] { "1.2" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "A.B", new String[] { "A.B" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "1..2", new String[] { "1", "2" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "A..B", new String[] { "A", "B" });
// ',' is in \p{WB:MidNum}, which should trigger a split unless there is a Numeric char on both sides
BaseTokenStreamTestCase.assertAnalyzesTo(a, "1,2", new String[] { "1,2" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "1,,2", new String[] { "1", "2" });
// Mixed consecutive \p{WB:MidLetter} and \p{WB:MidNumLet} should trigger a split
BaseTokenStreamTestCase.assertAnalyzesTo(a, "A.:B", new String[] { "A", "B" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "A:.B", new String[] { "A", "B" });
// Mixed consecutive \p{WB:MidNum} and \p{WB:MidNumLet} should trigger a split
BaseTokenStreamTestCase.assertAnalyzesTo(a, "1,.2", new String[] { "1", "2" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "1.,2", new String[] { "1", "2" });
// '_' is in \p{WB:ExtendNumLet}
BaseTokenStreamTestCase.assertAnalyzesTo(a, "A:B_A:B", new String[] { "A:B_A:B" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "A:B_A::B", new String[] { "A:B_A", "B" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "1.2_1.2", new String[] { "1.2_1.2" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "A.B_A.B", new String[] { "A.B_A.B" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "1.2_1..2", new String[] { "1.2_1", "2" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "A.B_A..B", new String[] { "A.B_A", "B" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "1,2_1,2", new String[] { "1,2_1,2" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "1,2_1,,2", new String[] { "1,2_1", "2" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "C_A.:B", new String[] { "C_A", "B" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "C_A:.B", new String[] { "C_A", "B" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "3_1,.2", new String[] { "3_1", "2" });
BaseTokenStreamTestCase.assertAnalyzesTo(a, "3_1.,2", new String[] { "3_1", "2" });
}
/** @deprecated remove this and sophisticated backwards layer in 5.0 */
@Deprecated
public void testCombiningMarksBackwards() throws Exception {
Analyzer a = new StandardAnalyzer(Version.LUCENE_3_3);
checkOneTerm(a, "ざ", "さ"); // hiragana Bug
checkOneTerm(a, "ザ", "ザ"); // katakana Works
checkOneTerm(a, "壹゙", "壹"); // ideographic Bug
checkOneTerm(a, "아゙", "아゙"); // hangul Works
}
/** @deprecated uses older unicode (6.0). simple test to make sure its basically working */
@Deprecated
public void testVersion36() throws Exception {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new StandardTokenizer(Version.LUCENE_3_6, reader);
return new TokenStreamComponents(tokenizer);
}
};
assertAnalyzesTo(a, "this is just a t\u08E6st lucene@apache.org", // new combining mark in 6.1
new String[] { "this", "is", "just", "a", "t", "st", "lucene", "apache.org" });
};
/** @deprecated uses older unicode (6.1). simple test to make sure its basically working */
@Deprecated
public void testVersion40() throws Exception {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new StandardTokenizer(Version.LUCENE_4_0, reader);
return new TokenStreamComponents(tokenizer);
}
};
// U+061C is a new combining mark in 6.3, found using "[[\p{WB:Format}\p{WB:Extend}]&[^\p{Age:6.2}]]"
// on the online UnicodeSet utility: <http://unicode.org/cldr/utility/list-unicodeset.jsp>
assertAnalyzesTo(a, "this is just a t\u061Cst lucene@apache.org",
new String[] { "this", "is", "just", "a", "t", "st", "lucene", "apache.org" });
};
/** blast some random strings through the analyzer */
public void testRandomStrings() throws Exception {
checkRandomData(random(), new StandardAnalyzer(TEST_VERSION_CURRENT), 1000*RANDOM_MULTIPLIER);
}
/** blast some random large strings through the analyzer */
public void testRandomHugeStrings() throws Exception {
Random random = random();
checkRandomData(random, new StandardAnalyzer(TEST_VERSION_CURRENT), 100*RANDOM_MULTIPLIER, 8192);
}
// Adds random graph after:
public void testRandomHugeStringsGraphAfter() throws Exception {
Random random = random();
checkRandomData(random,
new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new StandardTokenizer(TEST_VERSION_CURRENT, newAttributeFactory(), reader);
TokenStream tokenStream = new MockGraphTokenFilter(random(), tokenizer);
return new TokenStreamComponents(tokenizer, tokenStream);
}
},
100*RANDOM_MULTIPLIER, 8192);
}
}