tests/e2e/nvme_writeuncor_test.py - master - githubmirror/nvme-cli

tests/e2e/nvme_writeuncor_test.py
83 строки3 KB
Daniel Wagner
tests/e2e: create a fully standalone Python package
10 авг 2026, 17:30
10 авг 2026, 17:306742a9b
# SPDX-License-Identifier: GPL-2.0-or-later
#
# Copyright (c) 2015-2016 Western Digital Corporation or its affiliates.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA  02110-1301, USA.
#
#   Author: Chaitanya Kulkarni <chaitanya.kulkarni@hgst.com>
#
"""
NVMe Write Compare Testcae:-

    1. Read block of data successfully.
    2. Issue write uncorrectable to block of data.
    3. Attempt to read from same block; shall fail.
    4. Issue a write command to first block of data.
    5. Read from the same block; shall pass.

"""

from ..nvme_test import to_decimal
from .nvme_test_io import TestNVMeIO


class TestNVMeUncor(TestNVMeIO):

    """
    Represents NVMe Write Uncorrecatble testcase.
        - Attributes:
              - start_block : starting block of to perform IO.
              - test_log_dir : directory for logs, temp files.
    """

    def setUp(self):
        """ Constructor TestNVMeUncor """
        super().setUp()
        if self.is_windows():
            self.skipTest("Write Uncorrectable command not supported by Windows")
        self.start_block = 1023
        self.setup_log_dir(self.__class__.__name__)
        self.write_file = self.test_log_dir + "/" + self.write_file
        self.read_file = self.test_log_dir + "/" + self.read_file
        self.create_data_file(self.write_file, self.data_size, "15")
        open(self.read_file, 'a').close()
        oncs = to_decimal(self.get_id_ctrl_field_value("oncs"))
        if not oncs & (1 << 1):
            self.skipTest("write-uncor is not supported by this controller")

    def tearDown(self):
        """ Post Section for TestNVMeUncor """
        super().tearDown()

    def write_uncor(self):
        """ Wrapper for nvme write uncorrectable
            - Args:
                - None
            - Returns:
                - return code of nvme write uncorrectable command.
        """
        write_uncor_cmd = f"{self.nvme_bin} write-uncor {self.ns1} " + \
            f"--start-block={str(self.start_block)} " + \
            f"--block-count={str(self.block_count)}"
        return self.exec_cmd(write_uncor_cmd)

    def test_write_uncor(self):
        """ Testcase main """
        self.assertEqual(self.nvme_read(), 0)
        self.assertEqual(self.write_uncor(), 0)
        self.assertNotEqual(self.nvme_read(), 0)
        self.assertEqual(self.nvme_write(), 0)
        self.assertEqual(self.nvme_read(), 0)