@Test
public void testTransform() throws Exception {

    File reference = findAndCopy("outputs/" + fInput + "_" + fTransform
            + "." + fFormat);
    Response response = doRequest(fInput, fTransform, fFormat,
            mapContentType(fFormat));
    File output = EngineTestUtils.outputFile();
    try (FileOutputStream oStream = new FileOutputStream(output)) {
        IOUtils.copy(response.asInputStream(), oStream);
    }
    assertEquals(reference, output, mapContentType(fFormat));
}