@Test
public void decompress() throws FileNotFoundException, IOException {
SnappyCompression compress = new SnappyCompression();
compress.decompressAndClose(
new FileInputStream("/tmp/test1.snp"),
new FileOutputStream("/tmp/compress-test-out-2.txt"));
String md1 = SystemUtils.md5(new File("/tmp/compress-test.txt"));
String md2 = SystemUtils.md5(new File("/tmp/compress-test-out-2.txt"));
assertEquals(md1, md2);
}
@Test
public void snappyDecompress() throws IOException {
// decompress normally.
SnappyInputStream is =
new SnappyInputStream(new BufferedInputStream(new FileInputStream("/tmp/test0.snp")));
byte d[] = new byte[1024];
FileOutputStream fos = new FileOutputStream("/tmp/compress-test-out-1.txt");
BufferedOutputStream dest1 = new BufferedOutputStream(fos, 1024);
int c;
while ((c = is.read(d, 0, 1024)) != -1) {
dest1.write(d, 0, c);
}
IOUtils.closeQuietly(dest1);
IOUtils.closeQuietly(is);
String md1 = SystemUtils.md5(new File("/tmp/compress-test-out-1.txt"));
String md2 = SystemUtils.md5(new File("/tmp/compress-test.txt"));
assertEquals(md1, md2);
}
@Test
public void unzip() throws IOException {
BufferedOutputStream dest1 = null;
BufferedInputStream is = null;
ZipFile zipfile = new ZipFile("/tmp/compressed.zip");
Enumeration e = zipfile.entries();
while (e.hasMoreElements()) {
ZipEntry entry = (ZipEntry) e.nextElement();
is = new BufferedInputStream(zipfile.getInputStream(entry));
int c;
byte d[] = new byte[2048];
FileOutputStream fos = new FileOutputStream("/tmp/compress-test-out-0.txt");
dest1 = new BufferedOutputStream(fos, 2048);
while ((c = is.read(d, 0, 2048)) != -1) {
dest1.write(d, 0, c);
}
IOUtils.closeQuietly(dest1);
IOUtils.closeQuietly(is);
}
String md1 = SystemUtils.md5(new File("/tmp/compress-test.txt"));
String md2 = SystemUtils.md5(new File("/tmp/compress-test-out-0.txt"));
assertEquals(md1, md2);
}