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package org.apache.lucene.analysis;
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import org.apache.lucene.analysis.standard.StandardAnalyzer;
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import org.apache.lucene.analysis.standard.StandardTokenizer;
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import org.apache.lucene.util.Version;
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import java.io.IOException;
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import java.io.StringReader;
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import java.util.Arrays;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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public class TestStandardAnalyzer extends BaseTokenStreamTestCase {
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public void testHugeDoc() throws IOException {
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StringBuilder sb = new StringBuilder();
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char whitespace[] = new char[4094];
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Arrays.fill(whitespace, ' ');
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sb.append(whitespace);
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sb.append("testing 1234");
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String input = sb.toString();
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StandardTokenizer tokenizer = new StandardTokenizer(TEST_VERSION_CURRENT, new StringReader(input));
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BaseTokenStreamTestCase.assertTokenStreamContents(tokenizer, new String[] { "testing", "1234" });
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private Analyzer a = new ReusableAnalyzerBase() {
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protected TokenStreamComponents createComponents
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(String fieldName, Reader reader) {
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Tokenizer tokenizer = new StandardTokenizer(TEST_VERSION_CURRENT, reader);
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return new TokenStreamComponents(tokenizer);
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public void testArmenian() throws Exception {
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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։",
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new String[] { "Վիքիպեդիայի", "13", "միլիոն", "հոդվածները", "4,600", "հայերեն", "վիքիպեդիայում", "գրվել", "են", "կամավորների", "կողմից",
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"ու", "համարյա", "բոլոր", "հոդվածները", "կարող", "է", "խմբագրել", "ցանկաց", "մարդ", "ով", "կարող", "է", "բացել", "Վիքիպեդիայի", "կայքը" } );
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public void testAmharic() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "ዊኪፔድያ የባለ ብዙ ቋንቋ የተሟላ ትክክለኛና ነጻ መዝገበ ዕውቀት (ኢንሳይክሎፒዲያ) ነው። ማንኛውም",
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new String[] { "ዊኪፔድያ", "የባለ", "ብዙ", "ቋንቋ", "የተሟላ", "ትክክለኛና", "ነጻ", "መዝገበ", "ዕውቀት", "ኢንሳይክሎፒዲያ", "ነው", "ማንኛውም" } );
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public void testArabic() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "الفيلم الوثائقي الأول عن ويكيبيديا يسمى \"الحقيقة بالأرقام: قصة ويكيبيديا\" (بالإنجليزية: Truth in Numbers: The Wikipedia Story)، سيتم إطلاقه في 2008.",
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new String[] { "الفيلم", "الوثائقي", "الأول", "عن", "ويكيبيديا", "يسمى", "الحقيقة", "بالأرقام", "قصة", "ويكيبيديا",
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"بالإنجليزية", "Truth", "in", "Numbers", "The", "Wikipedia", "Story", "سيتم", "إطلاقه", "في", "2008" } );
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public void testAramaic() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "ܘܝܩܝܦܕܝܐ (ܐܢܓܠܝܐ: Wikipedia) ܗܘ ܐܝܢܣܩܠܘܦܕܝܐ ܚܐܪܬܐ ܕܐܢܛܪܢܛ ܒܠܫܢ̈ܐ ܣܓܝܐ̈ܐ܂ ܫܡܗ ܐܬܐ ܡܢ ܡ̈ܠܬܐ ܕ\"ܘܝܩܝ\" ܘ\"ܐܝܢܣܩܠܘܦܕܝܐ\"܀",
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new String[] { "ܘܝܩܝܦܕܝܐ", "ܐܢܓܠܝܐ", "Wikipedia", "ܗܘ", "ܐܝܢܣܩܠܘܦܕܝܐ", "ܚܐܪܬܐ", "ܕܐܢܛܪܢܛ", "ܒܠܫܢ̈ܐ", "ܣܓܝܐ̈ܐ", "ܫܡܗ",
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"ܐܬܐ", "ܡܢ", "ܡ̈ܠܬܐ", "ܕ", "ܘܝܩܝ", "ܘ", "ܐܝܢܣܩܠܘܦܕܝܐ"});
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public void testBengali() throws Exception {
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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।",
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new String[] { "এই", "বিশ্বকোষ", "পরিচালনা", "করে", "উইকিমিডিয়া", "ফাউন্ডেশন", "একটি", "অলাভজনক", "সংস্থা", "উইকিপিডিয়ার",
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"শুরু", "১৫", "জানুয়ারি", "২০০১", "সালে", "এখন", "পর্যন্ত", "২০০টিরও", "বেশী", "ভাষায়", "উইকিপিডিয়া", "রয়েছে" });
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public void testFarsi() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "ویکی پدیای انگلیسی در تاریخ ۲۵ دی ۱۳۷۹ به صورت مکملی برای دانشنامهٔ تخصصی نوپدیا نوشته شد.",
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new String[] { "ویکی", "پدیای", "انگلیسی", "در", "تاریخ", "۲۵", "دی", "۱۳۷۹", "به", "صورت", "مکملی",
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"برای", "دانشنامهٔ", "تخصصی", "نوپدیا", "نوشته", "شد" });
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public void testGreek() throws Exception {
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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.",
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new String[] { "Γράφεται", "σε", "συνεργασία", "από", "εθελοντές", "με", "το", "λογισμικό", "wiki", "κάτι", "που",
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"σημαίνει", "ότι", "άρθρα", "μπορεί", "να", "προστεθούν", "ή", "να", "αλλάξουν", "από", "τον", "καθένα" });
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public void testThai() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "การที่ได้ต้องแสดงว่างานดี. แล้วเธอจะไปไหน? ๑๒๓๔",
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new String[] { "การที่ได้ต้องแสดงว่างานดี", "แล้วเธอจะไปไหน", "๑๒๓๔" });
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public void testLao() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ",
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new String[] { "ສາທາລະນະລັດ", "ປະຊາທິປະໄຕ", "ປະຊາຊົນລາວ" });
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public void testTibetan() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "སྣོན་མཛོད་དང་ལས་འདིས་བོད་ཡིག་མི་ཉམས་གོང་འཕེལ་དུ་གཏོང་བར་ཧ་ཅང་དགེ་མཚན་མཆིས་སོ། །",
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new String[] { "སྣོན", "མཛོད", "དང", "ལས", "འདིས", "བོད", "ཡིག",
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"མི", "ཉམས", "གོང", "འཕེལ", "དུ", "གཏོང", "བར",
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"ཧ", "ཅང", "དགེ", "མཚན", "མཆིས", "སོ" });
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* For chinese, tokenize as char (these can later form bigrams or whatever)
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public void testChinese() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "我是中国人。 1234 Tests ",
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new String[] { "我", "是", "中", "国", "人", "1234", "Tests"});
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public void testEmpty() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "", new String[] {});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, ".", new String[] {});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, " ", new String[] {});
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/* test various jira issues this analyzer is related to */
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public void testLUCENE1545() throws Exception {
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* Standard analyzer does not correctly tokenize combining character U+0364 COMBINING LATIN SMALL LETTRE E.
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* The word "moͤchte" is incorrectly tokenized into "mo" "chte", the combining character is lost.
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* Expected result is only on token "moͤchte".
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "moͤchte", new String[] { "moͤchte" });
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/* Tests from StandardAnalyzer, just to show behavior is similar */
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public void testAlphanumericSA() throws Exception {
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// alphanumeric tokens
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "B2B", new String[]{"B2B"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "2B", new String[]{"2B"});
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public void testDelimitersSA() throws Exception {
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// other delimiters: "-", "/", ","
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "some-dashed-phrase", new String[]{"some", "dashed", "phrase"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "dogs,chase,cats", new String[]{"dogs", "chase", "cats"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "ac/dc", new String[]{"ac", "dc"});
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public void testApostrophesSA() throws Exception {
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// internal apostrophes: O'Reilly, you're, O'Reilly's
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "O'Reilly", new String[]{"O'Reilly"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "you're", new String[]{"you're"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "she's", new String[]{"she's"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "Jim's", new String[]{"Jim's"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "don't", new String[]{"don't"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "O'Reilly's", new String[]{"O'Reilly's"});
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public void testNumericSA() throws Exception {
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// floating point, serial, model numbers, ip addresses, etc.
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "21.35", new String[]{"21.35"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "R2D2 C3PO", new String[]{"R2D2", "C3PO"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "216.239.63.104", new String[]{"216.239.63.104"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "216.239.63.104", new String[]{"216.239.63.104"});
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public void testTextWithNumbersSA() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "David has 5000 bones", new String[]{"David", "has", "5000", "bones"});
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public void testVariousTextSA() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "C embedded developers wanted", new String[]{"C", "embedded", "developers", "wanted"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "foo bar FOO BAR", new String[]{"foo", "bar", "FOO", "BAR"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "foo bar . FOO <> BAR", new String[]{"foo", "bar", "FOO", "BAR"});
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "\"QUOTED\" word", new String[]{"QUOTED", "word"});
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public void testKoreanSA() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "안녕하세요 한글입니다", new String[]{"안녕하세요", "한글입니다"});
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public void testOffsets() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "David has 5000 bones",
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new String[] {"David", "has", "5000", "bones"},
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new int[] {0, 6, 10, 15},
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new int[] {5, 9, 14, 20});
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public void testTypes() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "David has 5000 bones",
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new String[] {"David", "has", "5000", "bones"},
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new String[] { "<ALPHANUM>", "<ALPHANUM>", "<NUM>", "<ALPHANUM>" });
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public void testUnicodeWordBreaks() throws Exception {
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WordBreakTestUnicode_6_0_0 wordBreakTest = new WordBreakTestUnicode_6_0_0();
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wordBreakTest.test(a);
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public void testSupplementary() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "𩬅艱鍟䇹愯瀛",
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new String[] {"𩬅", "艱", "鍟", "䇹", "愯", "瀛"},
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new String[] { "<IDEOGRAPHIC>", "<IDEOGRAPHIC>", "<IDEOGRAPHIC>", "<IDEOGRAPHIC>", "<IDEOGRAPHIC>", "<IDEOGRAPHIC>" });
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public void testKorean() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "훈민정음",
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new String[] { "훈민정음" },
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new String[] { "<HANGUL>" });
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public void testJapanese() throws Exception {
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BaseTokenStreamTestCase.assertAnalyzesTo(a, "仮名遣い カタカナ",
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new String[] { "仮", "名", "遣", "い", "カタカナ" },
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new String[] { "<IDEOGRAPHIC>", "<IDEOGRAPHIC>", "<IDEOGRAPHIC>", "<HIRAGANA>", "<KATAKANA>" });
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public void testCombiningMarks() throws Exception {
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checkOneTerm(a, "ざ", "ざ"); // hiragana
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checkOneTerm(a, "ザ", "ザ"); // katakana
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checkOneTerm(a, "壹゙", "壹゙"); // ideographic
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checkOneTerm(a, "아゙", "아゙"); // hangul
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/** @deprecated remove this and sophisticated backwards layer in 5.0 */
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public void testCombiningMarksBackwards() throws Exception {
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Analyzer a = new StandardAnalyzer(Version.LUCENE_33);
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checkOneTerm(a, "ざ", "さ"); // hiragana Bug
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checkOneTerm(a, "ザ", "ザ"); // katakana Works
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checkOneTerm(a, "壹゙", "壹"); // ideographic Bug
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checkOneTerm(a, "아゙", "아゙"); // hangul Works
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/** blast some random strings through the analyzer */
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public void testRandomStrings() throws Exception {
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checkRandomData(random, new StandardAnalyzer(TEST_VERSION_CURRENT), 10000*RANDOM_MULTIPLIER);