File f = new File(getClass().getResource("servicemix.jpg").getFile());
PostMethod filePost = new PostMethod("http://localhost:18192/Service/");
Part[] parts = {new StringPart("request", "<dummy/>"), new FilePart(f.getName(), f)};
RequestEntity entity = new MultipartRequestEntity(parts, filePost.getParams());
ByteArrayOutputStream baos = new ByteArrayOutputStream();
entity.writeRequest(baos);
logger.info(baos);
filePost.setRequestEntity(entity);
HttpClient client = new HttpClient();
int status = client.executeMethod(filePost);
assertEquals(200, status);