ollik1 commented on a change in pull request #638: LUCENE-8756: Fix MLT like
text with custom frequencies
URL: https://github.com/apache/lucene-solr/pull/638#discussion_r279698405
##########
File path:
lucene/queries/src/test/org/apache/lucene/queries/mlt/TestMoreLikeThis.java
##########
@@ -427,5 +438,70 @@ public void
testMultiFieldShouldReturnPerFieldBooleanQuery() throws Exception {
analyzer.close();
}
}
+
+ public void testCustomFrequecy() throws IOException {
+ // define an analyzer with delimited term frequency, e.g. "foo|2 bar|3"
+ Analyzer analyzer = new Analyzer() {
+
+ @Override
+ protected TokenStreamComponents createComponents(String fieldName) {
+ MockTokenizer tokenizer = new MockTokenizer(MockTokenizer.WHITESPACE,
false, 100);
+ MockTokenFilter filt = new MockTokenFilter(tokenizer,
MockTokenFilter.EMPTY_STOPSET);
+ return new TokenStreamComponents(tokenizer, foo(filt));
+ }
+
+ TokenStream foo(TokenStream input) {
+ return new TokenFilter(input) {
+
+ @Override
+ public boolean incrementToken() throws IOException {
+ final CharTermAttribute termAtt =
addAttribute(CharTermAttribute.class);
+ final TermFrequencyAttribute tfAtt =
addAttribute(TermFrequencyAttribute.class);
Review comment:
👍
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