Github user alessandrobenedetti commented on a diff in the pull request:
https://github.com/apache/lucene-solr/pull/482#discussion_r227469439
--- Diff:
lucene/core/src/test/org/apache/lucene/analysis/TestStopFilter.java ---
@@ -47,58 +48,65 @@ public void testStopFilt() throws IOException {
assertTokenStreamContents(stream, new String[] { "Now", "The" });
}
+
+ private void logStopwords(String name, List<String> stopwords){
+ // helper method: converts a list
+ log(String.format("stopword list \"%s:\"", name));
+ for (int i = 0; i < stopwords.size(); i++) {
+ log(String.format("stopword (%d): %s ", i, stopwords.get(i)));
+ }
+ log("----------");
+ }
/**
* Test Position increments applied by StopFilter with and without
enabling this option.
*/
- public void testStopPositons() throws IOException {
+ public void testStopPositions() throws IOException {
+ final int NUMBER_OF_TOKENS = 20;
StringBuilder sb = new StringBuilder();
- ArrayList<String> a = new ArrayList<>();
- for (int i=0; i<20; i++) {
- String w = English.intToEnglish(i).trim();
- sb.append(w).append(" ");
- if (i%3 != 0) a.add(w);
+ List<String> stopwords = new ArrayList<>(NUMBER_OF_TOKENS);
+ for (int i = 0; i < NUMBER_OF_TOKENS; i++) {
+ String token = English.intToEnglish(i).trim();
+ sb.append(token).append(' ');
+ if (i%3 != 0) stopwords.add(token);
}
log(sb.toString());
- String stopWords[] = a.toArray(new String[0]);
- for (int i=0; i<a.size(); i++) log("Stop: "+stopWords[i]);
- CharArraySet stopSet = StopFilter.makeStopSet(stopWords);
+ CharArraySet stopSet = StopFilter.makeStopSet(stopwords);
+ logStopwords("All stopwords", stopwords);
// with increments
StringReader reader = new StringReader(sb.toString());
final MockTokenizer in = new MockTokenizer(MockTokenizer.WHITESPACE,
false);
in.setReader(reader);
- StopFilter stpf = new StopFilter(in, stopSet);
- doTestStopPositons(stpf);
+ StopFilter stopfilter = new StopFilter(in, stopSet);
+ doTestStopwordsPositions(stopfilter);
// with increments, concatenating two stop filters
- ArrayList<String> a0 = new ArrayList<>();
- ArrayList<String> a1 = new ArrayList<>();
- for (int i=0; i<a.size(); i++) {
- if (i%2==0) {
- a0.add(a.get(i));
+ List<String> evenStopwords = new ArrayList<>(stopwords.size());
+ List<String> oddStopwords = new ArrayList<>(stopwords.size());
+ for (int i=0; i < stopwords.size(); i++) {
+ if (i%2 == 0) {
+ evenStopwords.add(stopwords.get(i));
} else {
- a1.add(a.get(i));
+ oddStopwords.add(stopwords.get(i));
}
}
- String stopWords0[] = a0.toArray(new String[0]);
- for (int i=0; i<a0.size(); i++) log("Stop0: "+stopWords0[i]);
- String stopWords1[] = a1.toArray(new String[0]);
- for (int i=0; i<a1.size(); i++) log("Stop1: "+stopWords1[i]);
- CharArraySet stopSet0 = StopFilter.makeStopSet(stopWords0);
- CharArraySet stopSet1 = StopFilter.makeStopSet(stopWords1);
+ CharArraySet evenStopSet = StopFilter.makeStopSet(evenStopwords);
+ logStopwords("Even stopwords", evenStopwords);
+ CharArraySet oddStopSet = StopFilter.makeStopSet(oddStopwords);
+ logStopwords("Odd stopwords", oddStopwords);
reader = new StringReader(sb.toString());
final MockTokenizer in1 = new MockTokenizer(MockTokenizer.WHITESPACE,
false);
in1.setReader(reader);
- StopFilter stpf0 = new StopFilter(in1, stopSet0); // first part of the
set
- StopFilter stpf01 = new StopFilter(stpf0, stopSet1); // two stop
filters concatenated!
- doTestStopPositons(stpf01);
+ StopFilter evenStopFilter = new StopFilter(in1, evenStopSet); // first
part of the set
+ StopFilter oddStopFilter = new StopFilter(evenStopFilter, oddStopSet);
// two stop filters concatenated!
--- End diff --
maybe renaming this to concatenatedStopFilter because it cointains the
entire stop filter set through 2 stop filters and not just the odd ones ?
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