test_tarfile.py 文件源码

def test_stream_padding(self):
        # Test for bug #1543303.
        tar = tarfile.open(tmpname, self.mode)
        tar.close()

        if self.mode.endswith("gz"):
            fobj = gzip.GzipFile(tmpname)
            data = fobj.read()
            fobj.close()
        elif self.mode.endswith("bz2"):
            dec = bz2.BZ2Decompressor()
            data = open(tmpname, "rb").read()
            data = dec.decompress(data)
            self.assertTrue(len(dec.unused_data) == 0,
                    "found trailing data")
        else:
            fobj = open(tmpname, "rb")
            data = fobj.read()
            fobj.close()

        self.assertTrue(data.count("\0") == tarfile.RECORDSIZE,
                         "incorrect zero padding")