String mediaParameter = encoder.encodeParameterName(TableTagParameters.PARAMETER_EXPORTTYPE);
WebRequest request = new GetMethodWebRequest(getJspUrl(jspPage));
// this will force media type initialization
ExportViewFactory.getInstance();
MediaTypeEnum pdfMedia = MediaTypeEnum.PDF;
Assert.assertNotNull("Pdf export view not correctly registered.", pdfMedia);
request.setParameter(mediaParameter, Integer.toString(pdfMedia.getCode()));
WebResponse response = runner.getResponse(request);
// we are really testing an xml output?
Assert.assertEquals("Expected a different content type.", "application/pdf", response.getContentType());