MarcusSorealheis commented on code in PR #12208: URL: https://github.com/apache/lucene/pull/12208#discussion_r1159363981
########## lucene/sandbox/src/test/org/apache/lucene/sandbox/search/TestTermAutomatonQuery.java: ########## @@ -842,6 +843,92 @@ public void testRewriteSimplePhrase() throws Exception { IOUtils.close(w, r, dir); } + /* Implement a custom term automaton query to ensure that rewritten queries + * do not get rewritten to primitive queries. The custom extension will allow + * the following explain tests to evaluate Explain. + * */ + + private static class CustomTermAutomatonQuery extends TermAutomatonQuery { + public CustomTermAutomatonQuery(String field) { + super(field); + } + + @Override + public Query rewrite(IndexSearcher searcher) throws IOException { + return this; + } + } + + public void testExplainNoMatchingDocument() throws Exception { + CustomTermAutomatonQuery q = new CustomTermAutomatonQuery("field"); + int initState = q.createState(); + int s1 = q.createState(); + q.addTransition(initState, s1, "xml"); + q.setAccept(s1, true); + q.finish(); + + Directory dir = newDirectory(); + RandomIndexWriter w = new RandomIndexWriter(random(), dir); + Document doc = new Document(); + doc.add(newTextField("field", "protobuf", Field.Store.NO)); + w.addDocument(doc); + + IndexReader r = w.getReader(); + IndexSearcher searcher = newSearcher(r); + Query rewrite = q.rewrite(searcher); + assertTrue(rewrite instanceof TermAutomatonQuery); + + TopDocs topDocs = searcher.search(rewrite, 10); + assertEquals(0, topDocs.totalHits.value); Review Comment: I'll do it right now. One second. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org