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Acceptance tests: add Linux initrd checking test 

QEMU used to exits with a not accurate error message when
an initrd > 2GiB was passed. That was fixed on patch:

	commit f3839fda57
	Author: Li Zhijian <lizhijian@cn.fujitsu.com>
	Date:   Thu Sep 13 18:07:13 2018 +0800

    	change get_image_size return type to int64_t

This change adds a regression test for that fix. It starts
QEMU with a 2GiB dummy initrd, and checks that it evaluates the
file size correctly and prints an accurate message.

Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Caio Carrara <ccarrara@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20181109182153.5390-1-wainersm@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Wainer dos Santos Moschetta 2018-11-09 13:21:53 -05:00 committed by Eduardo Habkost
parent 54f96b4553
commit 82d4c923a5
1 changed files with 48 additions and 0 deletions
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48
tests/acceptance/linux_initrd.py Normal file
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# Linux initrd acceptance test.
#
# Copyright (c) 2018 Red Hat, Inc.
#
# Author:
# Wainer dos Santos Moschetta <wainersm@redhat.com>
#
# This work is licensed under the terms of the GNU GPL, version 2 or
# later. See the COPYING file in the top-level directory.
import tempfile
from avocado.utils.process import run
from avocado_qemu import Test
class LinuxInitrd(Test):
"""
Checks QEMU evaluates correctly the initrd file passed as -initrd option.
:avocado: enable
:avocado: tags=x86_64
"""
timeout = 60
def test_with_2gib_file_should_exit_error_msg(self):
"""
Pretends to boot QEMU with an initrd file with size of 2GiB
and expect it exits with error message.
"""
kernel_url = ('https://mirrors.kernel.org/fedora/releases/28/'
'Everything/x86_64/os/images/pxeboot/vmlinuz')
kernel_hash = '238e083e114c48200f80d889f7e32eeb2793e02a'
kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
max_size = 2 * (1024 ** 3) - 1
with tempfile.NamedTemporaryFile() as initrd:
initrd.seek(max_size)
initrd.write(b'\0')
initrd.flush()
cmd = "%s -kernel %s -initrd %s" % (self.qemu_bin, kernel_path,
initrd.name)
res = run(cmd, ignore_status=True)
self.assertEqual(res.exit_status, 1)
expected_msg = r'.*initrd is too large.*max: \d+, need %s.*' % (
max_size + 1)
self.assertRegex(res.stderr_text, expected_msg)