assertNull(dataStoreParams.getAsString("nonExistentKey"));
        assertEquals("defaultValue", dataStoreParams.getAsString("nonExistentKey", "defaultValue"));

        dataStoreParams.put("nullKey", null);
        assertEquals("defaultValue", dataStoreParams.getAsString("nullKey", "defaultValue"));
    }

        assertNotNull(capturedCallback.get());
        assertNotNull(capturedParams.get());
        assertEquals("value1", capturedParams.get().getAsString("key1"));
        assertEquals("value2", capturedParams.get().getAsString("key2"));
    }

    @Test
    public void test_store_withNullConfig() {
        // Test store with null config
        final AtomicBoolean storeCalled = new AtomicBoolean(false);

            defaultDataMap.put(fessConfig.getIndexFieldExpires(), documentExpires);
        }
        // segment
        defaultDataMap.put(fessConfig.getIndexFieldSegment(), initParamMap.getAsString(Constants.SESSION_ID));
        // created
        defaultDataMap.put(fessConfig.getIndexFieldCreated(), systemHelper.getCurrentTime());
        // boost

         * </ul>
         */
        private void deleteOldDocs() {
            if (Constants.FALSE.equals(initParamMap.getAsString(DELETE_OLD_DOCS))) {
                return;
            }
            final String sessionId = initParamMap.getAsString(Constants.SESSION_ID);
            if (StringUtil.isBlank(sessionId)) {

     * @return the parameter value as a string, or the default value if not found
     */
    protected String getParamValue(final DataStoreParams paramMap, final String key, final String defaultValue) {
        return paramMap.getAsString(key, defaultValue);
    }

    /**
     * Adds a document to the search index by crawling the specified URL and processing the content.

        boolean haveValue = false;
        if (encoding != null) {
            try {
                value = item.getString(encoding);
                haveValue = true;
            } catch (final Exception e) {}
        }
        if (!haveValue) {
            try {
                value = item.getString(Charset.forName("ISO-8859-1"));
            } catch (final java.io.UnsupportedEncodingException uee) {
                try {

        searchParams.put("q", "*");
        String searchResponse = checkMethodBase(new HashMap<>()).params(searchParams).get("/api/v1/documents").asString();
        String queryId = JsonPath.from(searchResponse).getString("query_id");
        assertTrue(queryId != null && !queryId.isEmpty(), "queryId should not be null");

        // Now test the favorites API
        Map<String, String> params = new HashMap<>();

        JsonPath jsonPath = JsonPath.from(response);
        assertTrue(jsonPath.getBoolean("response.created"));
        assertEquals(0, jsonPath.getInt("response.status"));
        return jsonPath.getString("response.id");
    }

    protected static List<String> getWebConfigIds(final String namePrefix) {
        final String response = getJsonResponse("/api/admin/webconfig/settings");

            jsonPath = JsonPath.from(response);
            assertEquals(0, jsonPath.getInt("response.status"));
            assertEquals(logId, jsonPath.getString("response.log.id"));
            logger.info("Get crawling info log by ID test completed");
        }

        // Test GET with non-existent ID