Assert.assertNotNull(rasterZip);
// make sure we create files locally so that we don't clog the sytem temp
final File currentDirectory = new File(DownloadProcessTest.class.getResource(".").toURI());
File tempZipFile = File.createTempFile("zipppiotemp", ".zip", currentDirectory);
ppio.encode(rasterZip, new FileOutputStream(tempZipFile));
Assert.assertTrue(tempZipFile.length() > 0);
final File tempDir = new File(currentDirectory, Long.toString(System.nanoTime()));
Assert.assertTrue(tempDir.mkdir());