final ResponseData responseData = new ResponseData();
        responseData.setUrl("file:/test.txt");
        responseData.setCharSet(Constants.UTF_8);
        responseData.setResponseBody(data);
        responseData.setMimeType("text/plain");
        final ResultData resultData = textTransformer.transform(responseData);
        assertEquals("xyz", new String(resultData.getData(), resultData.getEncoding()));

        assertNotNull(result2.getData());

        // ResponseData with response body
        ResponseData withBodyData = new ResponseData();
        withBodyData.setUrl("http://example.com");
        withBodyData.setResponseBody("Test content".getBytes());
        ResultData result3 = testTransformer.transform(withBodyData);
        assertNotNull(result3);
        assertNotNull(result3.getData());
    }

    /**

                            try (InputStream contentStream = new BufferedInputStream(new SmbFileInputStream(file))) {
                                responseData.setResponseBody(InputStreamUtil.getBytes(contentStream));
                            } catch (final Exception e) {
                                logger.warn("I/O Exception.", e);

     */
    public void setResponseBody(final byte[] responseBody) {
        responseBodyBytes = responseBody;
    }

    /**
     * Sets the response body from a file.
     *
     * @param responseBody the file containing the response body
     * @param isTemporary true if the file is temporary and should be deleted when closing
     */

                        if (file.length() < maxCachedContentSize) {
                            try (InputStream contentStream = new BufferedInputStream(new FileInputStream(file))) {
                                responseData.setResponseBody(InputStreamUtil.getBytes(contentStream));
                            } catch (final Exception e) {
                                logger.warn("I/O Exception.", e);

                            try (InputStream contentStream = new BufferedInputStream(new SmbFileInputStream(file))) {
                                responseData.setResponseBody(InputStreamUtil.getBytes(contentStream));
                            } catch (final Exception e) {
                                logger.warn("I/O Exception.", e);

                    try (InputStream contentStream = new BufferedInputStream(minioClient.getObject(args))) {
                        responseData.setResponseBody(InputStreamUtil.getBytes(contentStream));
                    } catch (final Exception e) {
                        logger.warn("I/O Exception.", e);

                }
            }

            long contentLength = 0;
            String contentEncoding = Constants.UTF_8;
            if (httpEntity == null) {
                responseData.setResponseBody(new byte[0]);
                if (contentType == null) {
                    contentType = defaultMimeType;
                }
            } else {

                            responseData.setResponseBody(InputStreamUtil.getBytes(contentStream));
                        }
                    } else {
                        outputFile = createTempFile("crawler-FtpClient-", ".out", null);
                        CopyUtil.copy(tempFile, outputFile);
                        responseData.setResponseBody(outputFile, true);
                    }

 * transformer.addFieldRule("title", "/book/title/text()");
 * transformer.addFieldRule("author", "/book/author/name/text()");
 *
 * ResponseData responseData = new ResponseData();
 * responseData.setResponseBody(new ByteArrayInputStream(xmlContent.getBytes(StandardCharsets.UTF_8)));
 * responseData.setEncoding("UTF-8");
 *
 * ResultData resultData = transformer.transform(responseData);