for (Map<String, Object> doc : docs) {
            String docId = doc.get("doc_id").toString();
            given().contentType("application/json").header("Authorization", getTestToken()).delete(SEARCHLIST_API_PATH + "/doc/" + docId);
        }
        refresh();

        deleteTestToken();
    }

    @Override
    protected String getNamePrefix() {

        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"));
    }

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

        indexUpdater.updateDocument(doc);

        assertNull(doc.get("boost"));
        assertNotNull(doc.get("doc_id"));
    }

    // Test updateDocument with existing doc_id
    @Test
    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(0, deletedDocIdList.size());

        docList.clear();
        deletedDocIdList.clear();
        docList.add(new HashMap<>(Map.of(//
                "config_id", "W01", //
                "doc_id", "1", //
                "url", "http://test.com/001"//
        )));
        documentSizeByQuery = oldDocList.size();
        assertEquals(0, indexingHelper.deleteOldDocuments(client, docList));

                    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

                "file://home/taro/%E3%81%82.txt");

        assertUrlLink(null, "#not-found-docId");
        assertUrlLink("", "#not-found-docId");
        assertUrlLink(" ", "#not-found-docId");
    }

    private void assertUrlLink(String url, String expected) {
        Map<String, Object> doc = new HashMap<>();
        doc.put("doc_id", "docId");
        doc.put("url", url);
        assertEquals(expected, viewHelper.getUrlLink(doc));

                                        <label for="doc.doc_id" class="col-sm-3 text-sm-right col-form-label">doc_id</label>
                                        <div class="col-sm-9">
                                                ${f:h(doc.doc_id)}
                                            <la:hidden styleId="doc.doc_id" property="doc.doc_id"/>
                                        </div>

            final List<String> docIds = indexes.stream()
                    .filter(i -> i > 0 && i <= searchResults.size())
                    .map(i -> getStringValue(searchResults.get(i - 1), "doc_id"))
                    .filter(StringUtil::isNotBlank)
                    .collect(Collectors.toList());

            return RelevanceEvaluationResult.withRelevantDocs(docIds, indexes);
        } catch (final Exception e) {

         * @return the document ID
         */
        public String getDocId() {
            return docId;
        }

        /**
         * Sets the document ID.
         *
         * @param docId the document ID
         */
        public void setDocId(final String docId) {
            this.docId = docId;
        }

        /**
         * Gets the source snippet.
         *