| # 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 os |
| |
| from .testcase import QemuSystemTest |
| from .cmd import run_cmd, wait_for_console_pattern |
| from .utils import archive_extract |
| |
| 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 extract_from_deb(self, deb_path, path): |
| """ |
| Extracts a file from a deb package into the test workdir |
| |
| :param deb_path: path to the deb archive |
| :param path: path within the deb archive of the file to be extracted |
| :returns: path of the extracted file |
| """ |
| cwd = os.getcwd() |
| os.chdir(self.workdir) |
| (stdout, stderr, ret) = run_cmd(['ar', 't', deb_path]) |
| file_path = stdout.split()[2] |
| run_cmd(['ar', 'x', deb_path, file_path]) |
| archive_extract(file_path, self.workdir) |
| os.chdir(cwd) |
| # Return complete path to extracted file. Because callers to |
| # extract_from_deb() specify 'path' with a leading slash, it is |
| # necessary to use os.path.relpath() as otherwise os.path.join() |
| # interprets it as an absolute path and drops the self.workdir part. |
| return os.path.normpath(os.path.join(self.workdir, |
| os.path.relpath(path, '/'))) |
| |
