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Date: Wed, 25 Jan 2023 14:56:53 +0800
From: David Gow <davidgow@...gle.com>
To: Alexander Pantyukhin <apantykhin@...il.com>
Cc: dlatypov@...gle.com, brendan.higgins@...ux.dev,
linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [PATCH] tools/testing/kunit/kunit.py extract handlers
On Sun, 22 Jan 2023 at 05:27, Alexander Pantyukhin <apantykhin@...il.com> wrote:
>
> The main function contains a wide if-elif block that handles different
> subcommands. It's possible to make code refactoring to extract
> subcommands handlers.
>
> Signed-off-by: Alexander Pantyukhin <apantykhin@...il.com>
> ---
Thanks -- this is a much nicer way of doing things!
Reviewed-by: David Gow <davidgow@...gle.com>
Cheers,
-- David
> tools/testing/kunit/kunit.py | 167 ++++++++++++++++++++---------------
> 1 file changed, 96 insertions(+), 71 deletions(-)
>
> diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
> index 43fbe96318fe..8cd818867504 100755
> --- a/tools/testing/kunit/kunit.py
> +++ b/tools/testing/kunit/kunit.py
> @@ -395,6 +395,95 @@ def tree_from_args(cli_args: argparse.Namespace) -> kunit_kernel.LinuxSourceTree
> extra_qemu_args=qemu_args)
>
>
> +def run_handler(cli_args):
> + if not os.path.exists(cli_args.build_dir):
> + os.mkdir(cli_args.build_dir)
> +
> + linux = tree_from_args(cli_args)
> + request = KunitRequest(build_dir=cli_args.build_dir,
> + make_options=cli_args.make_options,
> + jobs=cli_args.jobs,
> + raw_output=cli_args.raw_output,
> + json=cli_args.json,
> + timeout=cli_args.timeout,
> + filter_glob=cli_args.filter_glob,
> + kernel_args=cli_args.kernel_args,
> + run_isolated=cli_args.run_isolated)
> + result = run_tests(linux, request)
> + if result.status != KunitStatus.SUCCESS:
> + sys.exit(1)
> +
> +
> +def config_handler(cli_args):
> + if cli_args.build_dir and (
> + not os.path.exists(cli_args.build_dir)):
> + os.mkdir(cli_args.build_dir)
> +
> + linux = tree_from_args(cli_args)
> + request = KunitConfigRequest(build_dir=cli_args.build_dir,
> + make_options=cli_args.make_options)
> + result = config_tests(linux, request)
> + stdout.print_with_timestamp((
> + 'Elapsed time: %.3fs\n') % (
> + result.elapsed_time))
> + if result.status != KunitStatus.SUCCESS:
> + sys.exit(1)
> +
> +
> +def build_handler(cli_args):
> + linux = tree_from_args(cli_args)
> + request = KunitBuildRequest(build_dir=cli_args.build_dir,
> + make_options=cli_args.make_options,
> + jobs=cli_args.jobs)
> + result = config_and_build_tests(linux, request)
> + stdout.print_with_timestamp((
> + 'Elapsed time: %.3fs\n') % (
> + result.elapsed_time))
> + if result.status != KunitStatus.SUCCESS:
> + sys.exit(1)
> +
> +
> +def exec_handler(cli_args):
> + linux = tree_from_args(cli_args)
> + exec_request = KunitExecRequest(raw_output=cli_args.raw_output,
> + build_dir=cli_args.build_dir,
> + json=cli_args.json,
> + timeout=cli_args.timeout,
> + filter_glob=cli_args.filter_glob,
> + kernel_args=cli_args.kernel_args,
> + run_isolated=cli_args.run_isolated)
> + result = exec_tests(linux, exec_request)
> + stdout.print_with_timestamp((
> + 'Elapsed time: %.3fs\n') % (result.elapsed_time))
> + if result.status != KunitStatus.SUCCESS:
> + sys.exit(1)
> +
> +
> +def parse_handler(cli_args):
> + if cli_args.file is None:
> + sys.stdin.reconfigure(errors='backslashreplace') # pytype: disable=attribute-error
> + kunit_output = sys.stdin
> + else:
> + with open(cli_args.file, 'r', errors='backslashreplace') as f:
> + kunit_output = f.read().splitlines()
> + # We know nothing about how the result was created!
> + metadata = kunit_json.Metadata()
> + request = KunitParseRequest(raw_output=cli_args.raw_output,
> + json=cli_args.json)
> + result, _ = parse_tests(request, metadata, kunit_output)
> + if result.status != KunitStatus.SUCCESS:
> + sys.exit(1)
> +
> +
> +subcommand_handlers_map = {
> + 'run': run_handler,
> + 'config': config_handler,
> + 'build': build_handler,
> + 'exec': exec_handler,
> + 'parse': parse_handler
> +}
> +
> +
> def main(argv):
> parser = argparse.ArgumentParser(
> description='Helps writing and running KUnit tests.')
> @@ -438,78 +527,14 @@ def main(argv):
> if get_kernel_root_path():
> os.chdir(get_kernel_root_path())
>
> - if cli_args.subcommand == 'run':
> - if not os.path.exists(cli_args.build_dir):
> - os.mkdir(cli_args.build_dir)
> -
> - linux = tree_from_args(cli_args)
> - request = KunitRequest(build_dir=cli_args.build_dir,
> - make_options=cli_args.make_options,
> - jobs=cli_args.jobs,
> - raw_output=cli_args.raw_output,
> - json=cli_args.json,
> - timeout=cli_args.timeout,
> - filter_glob=cli_args.filter_glob,
> - kernel_args=cli_args.kernel_args,
> - run_isolated=cli_args.run_isolated)
> - result = run_tests(linux, request)
> - if result.status != KunitStatus.SUCCESS:
> - sys.exit(1)
> - elif cli_args.subcommand == 'config':
> - if cli_args.build_dir and (
> - not os.path.exists(cli_args.build_dir)):
> - os.mkdir(cli_args.build_dir)
> -
> - linux = tree_from_args(cli_args)
> - request = KunitConfigRequest(build_dir=cli_args.build_dir,
> - make_options=cli_args.make_options)
> - result = config_tests(linux, request)
> - stdout.print_with_timestamp((
> - 'Elapsed time: %.3fs\n') % (
> - result.elapsed_time))
> - if result.status != KunitStatus.SUCCESS:
> - sys.exit(1)
> - elif cli_args.subcommand == 'build':
> - linux = tree_from_args(cli_args)
> - request = KunitBuildRequest(build_dir=cli_args.build_dir,
> - make_options=cli_args.make_options,
> - jobs=cli_args.jobs)
> - result = config_and_build_tests(linux, request)
> - stdout.print_with_timestamp((
> - 'Elapsed time: %.3fs\n') % (
> - result.elapsed_time))
> - if result.status != KunitStatus.SUCCESS:
> - sys.exit(1)
> - elif cli_args.subcommand == 'exec':
> - linux = tree_from_args(cli_args)
> - exec_request = KunitExecRequest(raw_output=cli_args.raw_output,
> - build_dir=cli_args.build_dir,
> - json=cli_args.json,
> - timeout=cli_args.timeout,
> - filter_glob=cli_args.filter_glob,
> - kernel_args=cli_args.kernel_args,
> - run_isolated=cli_args.run_isolated)
> - result = exec_tests(linux, exec_request)
> - stdout.print_with_timestamp((
> - 'Elapsed time: %.3fs\n') % (result.elapsed_time))
> - if result.status != KunitStatus.SUCCESS:
> - sys.exit(1)
> - elif cli_args.subcommand == 'parse':
> - if cli_args.file is None:
> - sys.stdin.reconfigure(errors='backslashreplace') # pytype: disable=attribute-error
> - kunit_output = sys.stdin
> - else:
> - with open(cli_args.file, 'r', errors='backslashreplace') as f:
> - kunit_output = f.read().splitlines()
> - # We know nothing about how the result was created!
> - metadata = kunit_json.Metadata()
> - request = KunitParseRequest(raw_output=cli_args.raw_output,
> - json=cli_args.json)
> - result, _ = parse_tests(request, metadata, kunit_output)
> - if result.status != KunitStatus.SUCCESS:
> - sys.exit(1)
> - else:
> + subcomand_handler = subcommand_handlers_map.get(cli_args.subcommand, None)
> +
> + if subcomand_handler is None:
> parser.print_help()
> + return
> +
> + subcomand_handler(cli_args)
> +
>
> if __name__ == '__main__':
> main(sys.argv[1:])
> --
> 2.25.1
>
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