public void test_createTask() {
        // Test createTask method (requires FessConfig)
        generator = new TestThumbnailGenerator();
        Map<String, Object> docMap = new HashMap<>();
        docMap.put("id", "doc123");

        // Since createTask depends on FessConfig, it may not work properly
        // in unit tests without full container
        try {
            generator.createTask("/path/to/thumb.jpg", docMap);

        // Initialize without container
        emptyGenerator = new EmptyGenerator();

        // Test basic functionality
        Map<String, Object> docMap = new HashMap<>();
        docMap.put("id", "doc123");

        emptyGenerator.setName("empty");
        String path = "/path/to/thumbnail.jpg";

        // Since createTask requires FessConfig, it may not work properly

        Map<String, Object> doc1 = new HashMap<>();
        doc1.put("id", "1");
        doc1.put("title", "Document 1");

        Map<String, Object> doc2 = new HashMap<>();
        doc2.put("id", "2");
        doc2.put("title", "Document 2");

        SearchResult result = SearchResult.create().addDocument(doc1).addDocument(doc2).allRecordCount(2L).queryTime(25L).build();

                Map<String, Object> doc1 = new HashMap<>();
                doc1.put("id", "1");
                doc1.put("title", "Document 1");
                callback.store(initParamMap, doc1);

                Map<String, Object> doc2 = new HashMap<>();
                doc2.put("id", "2");
                doc2.put("title", "Document 2");
                callback.store(initParamMap, doc2);

        Map<String, Object> doc1 = new HashMap<>();
        doc1.put("title", "Test Document 1");
        doc1.put("content", "Test content 1");
        documentItems.add(doc1);

        Map<String, Object> doc2 = new HashMap<>();
        doc2.put("title", "Test Document 2");
        doc2.put("content", "Test content 2");
        documentItems.add(doc2);

        searchRenderData.setDocumentItems(documentItems);

            assertTrue(doc.get(field).toString().toLowerCase().contains(query), doc.toString());
        }
        List<Map<String, Object>> docs2 = JsonPath.from(wcResponse2).getList("data");
        for (Map<String, Object> doc : docs2) {
            assertTrue(doc.get(field).toString().toLowerCase().contains(query), doc.toString());
        }
    }

    @Test

        // Test the getDocId logic without creating actual FilePurgeVisitor
        // The logic converts path to doc ID by removing path separators
        String pathStr = "_1/_2/docid123";
        String expectedDocId = "_1_2docid123";
        String actualDocId = pathStr.replace("/", "").replace("\\", "");
        assertEquals(expectedDocId, actualDocId);
    }