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# Test class for testing the boot process of a Linux kernel
#
# 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 hashlib
import urllib.request
from .cmd import wait_for_console_pattern, exec_command_and_wait_for_pattern
from .testcase import QemuSystemTest
from .utils import get_usernet_hostfwd_port
class LinuxKernelTest(QemuSystemTest):
KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
def wait_for_console_pattern(self, success_message, vm=None):
wait_for_console_pattern(self, success_message,
failure_message='Kernel panic - not syncing',
vm=vm)
def launch_kernel(self, kernel, initrd=None, dtb=None, console_index=0,
wait_for=None):
self.vm.set_console(console_index=console_index)
self.vm.add_args('-kernel', kernel)
if initrd:
self.vm.add_args('-initrd', initrd)
if dtb:
self.vm.add_args('-dtb', dtb)
self.vm.launch()
if wait_for:
self.wait_for_console_pattern(wait_for)
def check_http_download(self, filename, hashsum, guestport=8080,
pythoncmd='python3 -m http.server'):
exec_command_and_wait_for_pattern(self,
f'{pythoncmd} {guestport} & sleep 1',
f'Serving HTTP on 0.0.0.0 port {guestport}')
hl = hashlib.sha256()
hostport = get_usernet_hostfwd_port(self.vm)
url = f'http://localhost:{hostport}{filename}'
self.log.info(f'Downloading {url} ...')
with urllib.request.urlopen(url) as response:
while True:
chunk = response.read(1 << 20)
if not chunk:
break
hl.update(chunk)
digest = hl.hexdigest()
self.log.info(f'sha256sum of download is {digest}.')
self.assertEqual(digest, hashsum)
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