}

            @Override
            public int getLtrWindowSize() {
                return 50;
            }
        });

        Map<String, Object> params = new HashMap<>();
        params.put("param1", "value1");

        RescorerBuilder<?> result = ltrQueryRescorer.evaluate(params);
        assertNull(result);
    }

    @Test
    public void test_evaluate_withNullModelName() {

        final Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("param1", "PARAM1");
        paramMap.put("param2", "PARAM2+");
        paramMap.put("param3", "PARAM3*");

        value = "\"abc\"";
        assertEquals("abc", dataStore.convertValue(Constants.DEFAULT_SCRIPT, value, paramMap));

        value = "param1";
        assertEquals("PARAM1", dataStore.convertValue(Constants.DEFAULT_SCRIPT, value, paramMap));

        final String sessionId = "info-map-session";
        final List<CrawlingInfoParam> paramList = new ArrayList<>();

        CrawlingInfoParam param1 = new CrawlingInfoParam();
        param1.setKey("total_docs");
        param1.setValue("1500");
        paramList.add(param1);

        CrawlingInfoParam param2 = new CrawlingInfoParam();
        param2.setKey("error_count");
        param2.setValue("3");