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test_cdb_write12.py
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62 lines (52 loc) · 2.39 KB
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# coding: utf-8
# Copyright (C) 2014 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
# Copyright (C) 2015 by Markus Rosjat <markus.rosjat@gmail.com>
# SPDX-FileCopyrightText: 2014 The python-scsi Authors
#
# SPDX-License-Identifier: LGPL-2.1-or-later
import unittest
from pyscsi.pyscsi.scsi_cdb_write12 import Write12
from pyscsi.pyscsi.scsi_enum_command import sbc
from pyscsi.utils.converter import scsi_ba_to_int
from tests.mock_device import MockDevice, MockSCSI
class CdbWrite12Test(unittest.TestCase):
def test_main(self):
with MockSCSI(MockDevice(sbc)) as s:
s.blocksize = 512
data = bytearray(27 * 512)
w = s.write12(1024, 27, data)
cdb = w.cdb
self.assertEqual(cdb[0], s.device.opcodes.WRITE_12.value)
self.assertEqual(cdb[1], 0)
self.assertEqual(scsi_ba_to_int(cdb[2:6]), 1024)
self.assertEqual(scsi_ba_to_int(cdb[6:10]), 27)
self.assertEqual(cdb[10], 0)
self.assertEqual(cdb[11], 0)
cdb = w.unmarshall_cdb(cdb)
self.assertEqual(cdb["opcode"], s.device.opcodes.WRITE_12.value)
self.assertEqual(cdb["wrprotect"], 0)
self.assertEqual(cdb["dpo"], 0)
self.assertEqual(cdb["fua"], 0)
self.assertEqual(cdb["lba"], 1024)
self.assertEqual(cdb["group"], 0)
self.assertEqual(cdb["tl"], 27)
d = Write12.unmarshall_cdb(Write12.marshall_cdb(cdb))
self.assertEqual(d, cdb)
w = s.write12(65536, 27, data, wrprotect=2, dpo=1, fua=1, group=19)
cdb = w.cdb
self.assertEqual(cdb[0], s.device.opcodes.WRITE_12.value)
self.assertEqual(cdb[1], 0x58)
self.assertEqual(scsi_ba_to_int(cdb[2:6]), 65536)
self.assertEqual(scsi_ba_to_int(cdb[6:10]), 27)
self.assertEqual(cdb[10], 0x13)
self.assertEqual(cdb[11], 0)
cdb = w.unmarshall_cdb(cdb)
self.assertEqual(cdb["opcode"], s.device.opcodes.WRITE_12.value)
self.assertEqual(cdb["wrprotect"], 2)
self.assertEqual(cdb["dpo"], 1)
self.assertEqual(cdb["fua"], 1)
self.assertEqual(cdb["lba"], 65536)
self.assertEqual(cdb["group"], 19)
self.assertEqual(cdb["tl"], 27)
d = Write12.unmarshall_cdb(Write12.marshall_cdb(cdb))
self.assertEqual(d, cdb)