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Posted to dev@lucene.apache.org by "Tianyu Fang (JIRA)" <ji...@apache.org> on 2017/10/03 21:09:00 UTC
[jira] [Closed] (LUCENE-7984) CLONE - SysnonymGraphFilter doesn't
respect ignoreCase parameter
[ https://issues.apache.org/jira/browse/LUCENE-7984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tianyu Fang closed LUCENE-7984.
-------------------------------
Resolution: Duplicate
> CLONE - SysnonymGraphFilter doesn't respect ignoreCase parameter
> ----------------------------------------------------------------
>
> Key: LUCENE-7984
> URL: https://issues.apache.org/jira/browse/LUCENE-7984
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/analysis
> Affects Versions: 6.4.1
> Reporter: Tianyu Fang
> Priority: Minor
> Fix For: 7.0, 6.5
>
> Attachments: LUCENE-7704.patch
>
>
> Hi, it seems that SynonymGraphFilter doesn't respect ignoreCase parameter. In particular this test doesn't pass:
> {code:title=UppercaseSynonymMapTest.java|borderStyle=solid}
> package com.mapcity.suggest.lucene;
> import org.apache.lucene.analysis.Analyzer;
> import org.apache.lucene.analysis.TokenStream;
> import org.apache.lucene.analysis.Tokenizer;
> import org.apache.lucene.analysis.core.WhitespaceTokenizer;
> import org.apache.lucene.analysis.synonym.SynonymGraphFilter;
> import org.apache.lucene.analysis.synonym.SynonymMap;
> import org.apache.lucene.util.CharsRef;
> import org.apache.lucene.util.CharsRefBuilder;
> import org.junit.Test;
> import java.io.IOException;
> import static org.apache.lucene.analysis.BaseTokenStreamTestCase.assertTokenStreamContents;
> /**
> * @author Sebastian Yonekura
> * Created on 22-02-17
> */
> public class UppercaseSynonymMapTest {
> @Test
> public void analyzerTest01() throws IOException {
> // This passes
> testAssertMapping("word", "synonym");
> // this one not
> testAssertMapping("word".toUpperCase(), "synonym");
> }
> private void testAssertMapping(String inputString, String outputString) throws IOException {
> SynonymMap.Builder builder = new SynonymMap.Builder(false);
> CharsRef input = SynonymMap.Builder.join(inputString.split(" "), new CharsRefBuilder());
> CharsRef output = SynonymMap.Builder.join(outputString.split(" "), new CharsRefBuilder());
> builder.add(input, output, true);
> Analyzer analyzer = new CustomAnalyzer(builder.build());
> TokenStream tokenStream = analyzer.tokenStream("field", inputString);
> assertTokenStreamContents(tokenStream, new String[]{
> outputString, inputString
> });
> }
> static class CustomAnalyzer extends Analyzer {
> private SynonymMap synonymMap;
> CustomAnalyzer(SynonymMap synonymMap) {
> this.synonymMap = synonymMap;
> }
> @Override
> protected TokenStreamComponents createComponents(String s) {
> Tokenizer tokenizer = new WhitespaceTokenizer();
> TokenStream tokenStream = new SynonymGraphFilter(tokenizer, synonymMap, true); // Ignore case True
> return new TokenStreamComponents(tokenizer, tokenStream);
> }
> }
> }
> {code}
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