/*
* 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.fr;
import java.io.IOException;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.CharArraySet;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.core.KeywordTokenizer;
import org.apache.lucene.analysis.miscellaneous.SetKeywordMarkerFilter;
import static org.apache.lucene.analysis.VocabularyAssert.*;
/**
* Simple tests for {@link FrenchLightStemFilter}
*/
public class TestFrenchLightStemFilter extends BaseTokenStreamTestCase {
private Analyzer analyzer;
@Override
public void setUp() throws Exception {
super.setUp();
analyzer = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName) {
Tokenizer source = new MockTokenizer( MockTokenizer.WHITESPACE, false);
return new TokenStreamComponents(source, new FrenchLightStemFilter(source));
}
};
}
@Override
public void tearDown() throws Exception {
analyzer.close();
super.tearDown();
}
/** Test some examples from the paper */
public void testExamples() throws IOException {
checkOneTerm(analyzer, "chevaux", "cheval");
checkOneTerm(analyzer, "cheval", "cheval");
checkOneTerm(analyzer, "hiboux", "hibou");
checkOneTerm(analyzer, "hibou", "hibou");
checkOneTerm(analyzer, "chantés", "chant");
checkOneTerm(analyzer, "chanter", "chant");
checkOneTerm(analyzer, "chante", "chant");
checkOneTerm(analyzer, "chant", "chant");
checkOneTerm(analyzer, "baronnes", "baron");
checkOneTerm(analyzer, "barons", "baron");
checkOneTerm(analyzer, "baron", "baron");
checkOneTerm(analyzer, "peaux", "peau");
checkOneTerm(analyzer, "peau", "peau");
checkOneTerm(analyzer, "anneaux", "aneau");
checkOneTerm(analyzer, "anneau", "aneau");
checkOneTerm(analyzer, "neveux", "neveu");
checkOneTerm(analyzer, "neveu", "neveu");
checkOneTerm(analyzer, "affreux", "afreu");
checkOneTerm(analyzer, "affreuse", "afreu");
checkOneTerm(analyzer, "investissement", "investi");
checkOneTerm(analyzer, "investir", "investi");
checkOneTerm(analyzer, "assourdissant", "asourdi");
checkOneTerm(analyzer, "assourdir", "asourdi");
checkOneTerm(analyzer, "pratiquement", "pratiqu");
checkOneTerm(analyzer, "pratique", "pratiqu");
checkOneTerm(analyzer, "administrativement", "administratif");
checkOneTerm(analyzer, "administratif", "administratif");
checkOneTerm(analyzer, "justificatrice", "justifi");
checkOneTerm(analyzer, "justificateur", "justifi");
checkOneTerm(analyzer, "justifier", "justifi");
checkOneTerm(analyzer, "educatrice", "eduqu");
checkOneTerm(analyzer, "eduquer", "eduqu");
checkOneTerm(analyzer, "communicateur", "comuniqu");
checkOneTerm(analyzer, "communiquer", "comuniqu");
checkOneTerm(analyzer, "accompagnatrice", "acompagn");
checkOneTerm(analyzer, "accompagnateur", "acompagn");
checkOneTerm(analyzer, "administrateur", "administr");
checkOneTerm(analyzer, "administrer", "administr");
checkOneTerm(analyzer, "productrice", "product");
checkOneTerm(analyzer, "producteur", "product");
checkOneTerm(analyzer, "acheteuse", "achet");
checkOneTerm(analyzer, "acheteur", "achet");
checkOneTerm(analyzer, "planteur", "plant");
checkOneTerm(analyzer, "plante", "plant");
checkOneTerm(analyzer, "poreuse", "poreu");
checkOneTerm(analyzer, "poreux", "poreu");
checkOneTerm(analyzer, "plieuse", "plieu");
checkOneTerm(analyzer, "bijoutière", "bijouti");
checkOneTerm(analyzer, "bijoutier", "bijouti");
checkOneTerm(analyzer, "caissière", "caisi");
checkOneTerm(analyzer, "caissier", "caisi");
checkOneTerm(analyzer, "abrasive", "abrasif");
checkOneTerm(analyzer, "abrasif", "abrasif");
checkOneTerm(analyzer, "folle", "fou");
checkOneTerm(analyzer, "fou", "fou");
checkOneTerm(analyzer, "personnelle", "person");
checkOneTerm(analyzer, "personne", "person");
// algo bug: too short length
//checkOneTerm(analyzer, "personnel", "person");
checkOneTerm(analyzer, "complète", "complet");
checkOneTerm(analyzer, "complet", "complet");
checkOneTerm(analyzer, "aromatique", "aromat");
checkOneTerm(analyzer, "faiblesse", "faibl");
checkOneTerm(analyzer, "faible", "faibl");
checkOneTerm(analyzer, "patinage", "patin");
checkOneTerm(analyzer, "patin", "patin");
checkOneTerm(analyzer, "sonorisation", "sono");
checkOneTerm(analyzer, "ritualisation", "rituel");
checkOneTerm(analyzer, "rituel", "rituel");
// algo bug: masked by rules above
//checkOneTerm(analyzer, "colonisateur", "colon");
checkOneTerm(analyzer, "nomination", "nomin");
checkOneTerm(analyzer, "disposition", "dispos");
checkOneTerm(analyzer, "dispose", "dispos");
// SOLR-3463 : abusive compression of repeated characters in numbers
// Trailing repeated char elision :
checkOneTerm(analyzer, "1234555", "1234555");
// Repeated char within numbers with more than 4 characters :
checkOneTerm(analyzer, "12333345", "12333345");
// Short numbers weren't affected already:
checkOneTerm(analyzer, "1234", "1234");
// Ensure behaviour is preserved for words!
// Trailing repeated char elision :
checkOneTerm(analyzer, "abcdeff", "abcdef");
// Repeated char within words with more than 4 characters :
checkOneTerm(analyzer, "abcccddeef", "abcdef");
checkOneTerm(analyzer, "créées", "cre");
// Combined letter and digit repetition
checkOneTerm(analyzer, "22hh00", "22h00"); // 10:00pm
}
/** Test against a vocabulary from the reference impl */
public void testVocabulary() throws IOException {
assertVocabulary(analyzer, getDataPath("frlighttestdata.zip"), "frlight.txt");
}
public void testKeyword() throws IOException {
final CharArraySet exclusionSet = new CharArraySet( asSet("chevaux"), false);
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName) {
Tokenizer source = new MockTokenizer(MockTokenizer.WHITESPACE, false);
TokenStream sink = new SetKeywordMarkerFilter(source, exclusionSet);
return new TokenStreamComponents(source, new FrenchLightStemFilter(sink));
}
};
checkOneTerm(a, "chevaux", "chevaux");
a.close();
}
/** blast some random strings through the analyzer */
public void testRandomStrings() throws Exception {
checkRandomData(random(), analyzer, 1000*RANDOM_MULTIPLIER);
}
public void testEmptyTerm() throws IOException {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName) {
Tokenizer tokenizer = new KeywordTokenizer();
return new TokenStreamComponents(tokenizer, new FrenchLightStemFilter(tokenizer));
}
};
checkOneTerm(a, "", "");
a.close();
}
}