}

    public void test_init() {
        // Test initialization
        assertEquals(1048576L, indexUpdateCallback.maxDocumentRequestSize);
        assertEquals(10000, indexUpdateCallback.maxDocumentCacheSize);
    }

    public void test_store_withValidData() {
        // Prepare test data
        DataStoreParams paramMap = new DataStoreParams();
        Map<String, Object> dataMap = new HashMap<>();

    /** Maximum size of document requests in bytes */
    protected long maxDocumentRequestSize;

    /** Maximum number of documents to cache before indexing */
    protected int maxDocumentCacheSize;

    /** Factory for creating ingesters to process documents */
    private IngestFactory ingestFactory = null;

    /**
     * Initializes the callback implementation after dependency injection.

                builder.setQuery(queryBuilder);
                builder.setFrom(0);
                final int maxDocumentCacheSize = fessConfig.getIndexerWebfsMaxDocumentCacheSizeAsInteger();
                builder.setSize(maxDocumentCacheSize <= 0 ? 1 : maxDocumentCacheSize);
                builder.addSort(OpenSearchAccessResult.CREATE_TIME, SortOrder.ASC);
            };