Map<String, Object> dataMap = new HashMap<>();
        dataMap.put("url", "http://example.com/test");
        dataMap.put("doc_id", "existing-doc-id");

        indexUpdateCallback.store(paramMap, dataMap);

        // Should keep existing doc_id
        assertEquals("existing-doc-id", dataMap.get("doc_id"));
    }

    public void test_concurrentStore() throws Exception {
        // Test thread safety

    public void test_updateDocument_existingDocId() {
        final Map<String, Object> doc = new HashMap<>();
        doc.put("doc_id", "existing_id");
        doc.put("url", "http://example.com");

        indexUpdater.updateDocument(doc);

        assertEquals("existing_id", doc.get("doc_id"));
    }

    // Test addBoostValue
    public void test_addBoostValue() {

                    return "expires";
                case FessConfig.INDEX_FIELD_URL:
                    return "url";
                case FessConfig.INDEX_FIELD_doc_id:
                    return "doc_id";
                case FessConfig.INDEX_FIELD_ID:
                    return "id";
                case FessConfig.INDEX_FIELD_VERSION:
                    return "_version";

            @Override
            public String getIndexFieldId() {
                return "_id";
            }

            @Override
            public String getIndexFieldDocId() {
                return "doc_id";
            }

            @Override
            public String getIndexFieldBoost() {
                return "boost";
            }

            @Override

            @Override
            public String getIndexFieldId() {
                return "_id";
            }

            @Override
            public String getIndexFieldDocId() {
                return "doc_id";
            }

            @Override
            public String getIndexFieldBoost() {
                return "boost";
            }

            @Override

            @Override
            public String getIndexFieldId() {
                return "_id";
            }

            @Override
            public String getIndexFieldDocId() {
                return "doc_id";
            }

            @Override
            public String getIndexFieldBoost() {
                return "boost";
            }

            @Override

                throw new WebApiException(HttpServletResponse.SC_BAD_REQUEST, "docId is empty.");
            }
            final String docId = docIdObj.toString();
            final String queryId = request.getParameter("queryId");

            final String[] docIds = userInfoHelper.getResultDocIds(URLDecoder.decode(queryId, Constants.UTF_8));
            if (docIds == null) {

            @Override
            public String getIndexFieldId() {
                return "id";
            }

            @Override
            public String getIndexFieldDocId() {
                return "doc_id";
            }

            @Override
            public String getIndexFieldBoost() {
                return "boost";
            }

            @Override

            // Override to avoid null pointer issues
            final String docid = (String) docMap.get("_id");
            if (docid == null) {
                return "default.jpg";
            }
            return getImageFilename(docid);
        }

        @Override
        public void destroy() {
            // Override to avoid null pointer issues with thread

            jsonPath = JsonPath.from(response.asString());
        }

        for (String docId : docIds) {
            given().contentType("application/json").delete(getEsUrl() + "/" + DOC_INDEX_NAME + "/" + docId);
        }
    }

    protected static List<Map<String, Object>> readCrawlingInfo(final String configId) {