};
        ComponentUtil.register(client, "searchEngineClient");

        final String configId = "W01";

        assertEquals(1, indexingHelper.deleteByConfigId(configId));
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals("config_id", resultMap.get("field"));
        assertEquals(configId, resultMap.get("value"));
    }

    public void test_deleteByVirtualHost() {

    }

    protected static List<Map<String, Object>> readCrawlingInfo(final String configId) {
        final List<Map<String, Object>> logList = readLogItems("crawlinginfo");
        final List<Map<String, Object>> resList = new ArrayList<>();
        for (Map<String, Object> elem : logList) {
            logger.info("config_id: {}, session_id: {}", configId, elem.get("session_id"));

            public String getIndexFieldFavoriteCount() {
                return "favorite_count";
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

            @Override
            public String getIndexFieldLang() {
                return "lang";
            }

            @Override

                    return "favorite_count";
                case FessConfig.INDEX_FIELD_click_count:
                    return "click_count";
                case FessConfig.INDEX_FIELD_config_id:
                    return "config_id";
                case FessConfig.INDEX_FIELD_EXPIRES:
                    return "expires";
                case FessConfig.INDEX_FIELD_URL:
                    return "url";

            public String getIndexFieldFavoriteCount() {
                return "favorite_count";
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

            @Override
            public String getIndexFieldLang() {
                return "lang";
            }

            @Override

        }
    }

    public void test_crawl_withConfigIdList_emptyList() {
        try {
            List<String> configIds = Arrays.asList("id1", "id2");
            dataIndexHelper.crawl("test-session", configIds);
            assertTrue("Should complete quickly with empty results", true);
        } catch (Exception e) {
            assertTrue("Exception handling should be fast", true);

            public String getIndexFieldFavoriteCount() {
                return "favorite_count";
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

            @Override
            public String getIndexFieldLang() {
                return "lang";
            }

            @Override

    }

    public void test_asContentResponse() {
        ViewHelper viewHelper = new ViewHelper();
        viewHelper.init();

        Map<String, Object> doc = new HashMap<>();
        doc.put("config_id", "test");
        doc.put("url", "http://example.com");

        try {
            viewHelper.asContentResponse(doc);
            assertTrue(true);
        } catch (Exception e) {

            public String getIndexFieldFavoriteCount() {
                return "favorite_count";
            }

            @Override
            public String getIndexFieldConfigId() {
                return "config_id";
            }

            @Override
            public String getIndexFieldLang() {
                return "lang";
            }

            @Override

index.field.favorite_count=favorite_count
# Field name for click count in the index.
index.field.click_count=click_count
# Field name for config ID in the index.
index.field.config_id=config_id
# Field name for expiration date in the index.
index.field.expires=expires
# Field name for URL in the index.
index.field.url=url
# Field name for document ID in the index.
index.field.doc_id=doc_id