cpoerschke commented on code in PR #2348:
URL: https://github.com/apache/solr/pull/2348#discussion_r1538819165
##########
solr/modules/ltr/src/test/org/apache/solr/ltr/TestLTRQParserPlugin.java:
##########
@@ -137,4 +140,92 @@ public void ltrNoResultsTest() throws Exception {
query.add("rq", "{!ltr reRankDocs=3 model=6029760550880411648}");
assertJQ("/query" + query.toQueryString(), "/response/numFound/==0");
}
+
+ @Test
+ public void
ltr_expensiveFeatureRescoring_shouldTimeOutAndReturnPartialResults()
+ throws Exception {
+ /* One SolrFeature is defined: {!func}sleep(1000,999)
+ * It simulates a slow feature extraction, sleeping for 1000ms and
returning 999 as a score when finished
+ * */
+
+ final String solrQuery = "_query_:{!edismax qf='id' v='8^=10 9^=5 7^=3
6^=1'}";
+ final SolrQuery query = new SolrQuery();
+ query.setQuery(solrQuery);
+ query.setFields("id", "score");
+ query.setRows(4);
+ query.setTimeAllowed(300);
+ query.add("fv", "true");
+ query.add("rq", "{!ltr model=slowModel reRankDocs=3}");
+
+ assertJQ(
+ "/query" + query.toQueryString(),
+ "/response/numFound/==4",
+ "/responseHeader/partialResults/==true",
+ "/responseHeader/partialResultsDetails/=='Limits exceeded! (Learning
To Rank rescoring - "
+ + "The full reranking didn\\'t complete. "
+ + "If partial results are tolerated the reranking got reverted and
"
+ + "all documents preserved their original score and ranking.)"
+ + ": Query limits: [TimeAllowedLimit:LIMIT EXCEEDED]'",
+ "/response/docs/[0]/id=='8'",
+ "/response/docs/[0]/score==10.0",
+ "/response/docs/[1]/id=='9'",
+ "/response/docs/[1]/score==5.0",
+ "/response/docs/[2]/id=='7'",
+ "/response/docs/[2]/score==3.0",
+ "/response/docs/[3]/id=='6'",
+ "/response/docs/[3]/score==1.0");
+ }
+
+ @Test
+ public void
ltr_expensiveFeatureRescoringAndPartialResultsNotTolerated_shouldRaiseException()
+ throws Exception {
+ /* One SolrFeature is defined: {!func}sleep(1000,999)
+ * It simulates a slow feature extraction, sleeping for 1000ms and
returning 999 as a score when finished
+ * */
+ final String solrQuery = "_query_:{!edismax qf='id' v='8^=10 9^=5 7^=3
6^=1'}";
+ final SolrQuery query = new SolrQuery();
+ query.setQuery(solrQuery);
+ query.setFields("id", "score");
+ query.setRows(4);
+ query.setTimeAllowed(300);
+ query.add("partialResults", "false");
+ query.add("fv", "true");
+ query.add("rq", "{!ltr model=slowModel reRankDocs=3}");
+
+ assertJQ(
+ "/query" + query.toQueryString(),
+ "/error/msg=='org.apache.solr.search.QueryLimitsExceededException:
Limits exceeded! (Learning To Rank rescoring - "
+ + "The full reranking didn\\'t complete. "
+ + "If partial results are tolerated the reranking got reverted and
all documents preserved their original score and ranking.)"
+ + ": Query limits: [TimeAllowedLimit:LIMIT EXCEEDED]'");
+ }
+
+ @Test
+ public void
ltr_expensiveFeatureRescoringWithinTimeAllowed_shouldReturnRerankedResults()
+ throws Exception {
+ /* One SolrFeature is defined: {!func}sleep(1000,999)
+ * It simulates a slow feature extraction, sleeping for 1000ms and
returning 999 as a score when finished
+ * */
+
+ final String solrQuery = "_query_:{!edismax qf='id' v='8^=10 9^=5 7^=3
6^=1'}";
+ final SolrQuery query = new SolrQuery();
+ query.setQuery(solrQuery);
+ query.setFields("id", "score");
+ query.setRows(4);
+ query.setTimeAllowed(5000);
+ query.add("fv", "true");
+ query.add("rq", "{!ltr model=slowModel reRankDocs=3}");
+
+ assertJQ(
+ "/query" + query.toQueryString(),
+ "/response/numFound/==4",
+ "/response/docs/[0]/id=='7'",
+ "/response/docs/[0]/score==999.0",
+ "/response/docs/[1]/id=='8'",
+ "/response/docs/[1]/score==999.0",
+ "/response/docs/[2]/id=='9'",
+ "/response/docs/[2]/score==999.0",
+ "/response/docs/[3]/id=='6'", // original score for the 4th document
due to reRankDocs=3 limit
Review Comment:
to pass the `./gradlew :solr:modules:ltr:spotlessJavaCheck` part of
`precommit`
```suggestion
"/response/docs/[3]/id=='6'",
// original score for the 4th document due to reRankDocs=3 limit
```
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