blob: 21516e293d1711462af704366f7e1b8512325e44 [file] [log] [blame]
#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0
#
# A thin wrapper on top of the KUnit Kernel
#
# Copyright (C) 2019, Google LLC.
# Author: Felix Guo <felixguoxiuping@gmail.com>
# Author: Brendan Higgins <brendanhiggins@google.com>
import argparse
import sys
import os
import time
from collections import namedtuple
from enum import Enum, auto
import kunit_config
import kunit_json
import kunit_kernel
import kunit_parser
KunitResult = namedtuple('KunitResult', ['status','result','elapsed_time'])
KunitConfigRequest = namedtuple('KunitConfigRequest',
['build_dir', 'make_options'])
KunitBuildRequest = namedtuple('KunitBuildRequest',
['jobs', 'build_dir', 'alltests',
'make_options'])
KunitExecRequest = namedtuple('KunitExecRequest',
['timeout', 'build_dir', 'alltests'])
KunitParseRequest = namedtuple('KunitParseRequest',
['raw_output', 'input_data', 'build_dir', 'json'])
KunitRequest = namedtuple('KunitRequest', ['raw_output','timeout', 'jobs',
'build_dir', 'alltests', 'json',
'make_options'])
KernelDirectoryPath = sys.argv[0].split('tools/testing/kunit/')[0]
class KunitStatus(Enum):
SUCCESS = auto()
CONFIG_FAILURE = auto()
BUILD_FAILURE = auto()
TEST_FAILURE = auto()
def get_kernel_root_path():
parts = sys.argv[0] if not __file__ else __file__
parts = os.path.realpath(parts).split('tools/testing/kunit')
if len(parts) != 2:
sys.exit(1)
return parts[0]
def config_tests(linux: kunit_kernel.LinuxSourceTree,
request: KunitConfigRequest) -> KunitResult:
kunit_parser.print_with_timestamp('Configuring KUnit Kernel ...')
config_start = time.time()
success = linux.build_reconfig(request.build_dir, request.make_options)
config_end = time.time()
if not success:
return KunitResult(KunitStatus.CONFIG_FAILURE,
'could not configure kernel',
config_end - config_start)
return KunitResult(KunitStatus.SUCCESS,
'configured kernel successfully',
config_end - config_start)
def build_tests(linux: kunit_kernel.LinuxSourceTree,
request: KunitBuildRequest) -> KunitResult:
kunit_parser.print_with_timestamp('Building KUnit Kernel ...')
build_start = time.time()
success = linux.build_um_kernel(request.alltests,
request.jobs,
request.build_dir,
request.make_options)
build_end = time.time()
if not success:
return KunitResult(KunitStatus.BUILD_FAILURE,
'could not build kernel',
build_end - build_start)
if not success:
return KunitResult(KunitStatus.BUILD_FAILURE,
'could not build kernel',
build_end - build_start)
return KunitResult(KunitStatus.SUCCESS,
'built kernel successfully',
build_end - build_start)
def exec_tests(linux: kunit_kernel.LinuxSourceTree,
request: KunitExecRequest) -> KunitResult:
kunit_parser.print_with_timestamp('Starting KUnit Kernel ...')
test_start = time.time()
result = linux.run_kernel(
timeout=None if request.alltests else request.timeout,
build_dir=request.build_dir)
test_end = time.time()
return KunitResult(KunitStatus.SUCCESS,
result,
test_end - test_start)
def parse_tests(request: KunitParseRequest) -> KunitResult:
parse_start = time.time()
test_result = kunit_parser.TestResult(kunit_parser.TestStatus.SUCCESS,
[],
'Tests not Parsed.')
if request.raw_output:
kunit_parser.raw_output(request.input_data)
else:
test_result = kunit_parser.parse_run_tests(request.input_data)
parse_end = time.time()
if request.json:
json_obj = kunit_json.get_json_result(
test_result=test_result,
def_config='kunit_defconfig',
build_dir=request.build_dir,
json_path=request.json)
if request.json == 'stdout':
print(json_obj)
if test_result.status != kunit_parser.TestStatus.SUCCESS:
return KunitResult(KunitStatus.TEST_FAILURE, test_result,
parse_end - parse_start)
return KunitResult(KunitStatus.SUCCESS, test_result,
parse_end - parse_start)
def run_tests(linux: kunit_kernel.LinuxSourceTree,
request: KunitRequest) -> KunitResult:
run_start = time.time()
config_request = KunitConfigRequest(request.build_dir,
request.make_options)
config_result = config_tests(linux, config_request)
if config_result.status != KunitStatus.SUCCESS:
return config_result
build_request = KunitBuildRequest(request.jobs, request.build_dir,
request.alltests,
request.make_options)
build_result = build_tests(linux, build_request)
if build_result.status != KunitStatus.SUCCESS:
return build_result
exec_request = KunitExecRequest(request.timeout, request.build_dir,
request.alltests)
exec_result = exec_tests(linux, exec_request)
if exec_result.status != KunitStatus.SUCCESS:
return exec_result
parse_request = KunitParseRequest(request.raw_output,
exec_result.result,
request.build_dir,
request.json)
parse_result = parse_tests(parse_request)
run_end = time.time()
kunit_parser.print_with_timestamp((
'Elapsed time: %.3fs total, %.3fs configuring, %.3fs ' +
'building, %.3fs running\n') % (
run_end - run_start,
config_result.elapsed_time,
build_result.elapsed_time,
exec_result.elapsed_time))
return parse_result
def add_common_opts(parser):
parser.add_argument('--build_dir',
help='As in the make command, it specifies the build '
'directory.',
type=str, default='.kunit', metavar='build_dir')
parser.add_argument('--make_options',
help='X=Y make option, can be repeated.',
action='append')
parser.add_argument('--alltests',
help='Run all KUnit tests through allyesconfig',
action='store_true')
def add_build_opts(parser):
parser.add_argument('--jobs',
help='As in the make command, "Specifies the number of '
'jobs (commands) to run simultaneously."',
type=int, default=8, metavar='jobs')
def add_exec_opts(parser):
parser.add_argument('--timeout',
help='maximum number of seconds to allow for all tests '
'to run. This does not include time taken to build the '
'tests.',
type=int,
default=300,
metavar='timeout')
def add_parse_opts(parser):
parser.add_argument('--raw_output', help='don\'t format output from kernel',
action='store_true')
parser.add_argument('--json',
nargs='?',
help='Stores test results in a JSON, and either '
'prints to stdout or saves to file if a '
'filename is specified',
type=str, const='stdout', default=None)
def main(argv, linux=None):
parser = argparse.ArgumentParser(
description='Helps writing and running KUnit tests.')
subparser = parser.add_subparsers(dest='subcommand')
# The 'run' command will config, build, exec, and parse in one go.
run_parser = subparser.add_parser('run', help='Runs KUnit tests.')
add_common_opts(run_parser)
add_build_opts(run_parser)
add_exec_opts(run_parser)
add_parse_opts(run_parser)
config_parser = subparser.add_parser('config',
help='Ensures that .config contains all of '
'the options in .kunitconfig')
add_common_opts(config_parser)
build_parser = subparser.add_parser('build', help='Builds a kernel with KUnit tests')
add_common_opts(build_parser)
add_build_opts(build_parser)
exec_parser = subparser.add_parser('exec', help='Run a kernel with KUnit tests')
add_common_opts(exec_parser)
add_exec_opts(exec_parser)
add_parse_opts(exec_parser)
# The 'parse' option is special, as it doesn't need the kernel source
# (therefore there is no need for a build_dir, hence no add_common_opts)
# and the '--file' argument is not relevant to 'run', so isn't in
# add_parse_opts()
parse_parser = subparser.add_parser('parse',
help='Parses KUnit results from a file, '
'and parses formatted results.')
add_parse_opts(parse_parser)
parse_parser.add_argument('file',
help='Specifies the file to read results from.',
type=str, nargs='?', metavar='input_file')
cli_args = parser.parse_args(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)
if not linux:
linux = kunit_kernel.LinuxSourceTree()
linux.create_kunitconfig(cli_args.build_dir)
linux.read_kunitconfig(cli_args.build_dir)
request = KunitRequest(cli_args.raw_output,
cli_args.timeout,
cli_args.jobs,
cli_args.build_dir,
cli_args.alltests,
cli_args.json,
cli_args.make_options)
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)
if not linux:
linux = kunit_kernel.LinuxSourceTree()
linux.create_kunitconfig(cli_args.build_dir)
linux.read_kunitconfig(cli_args.build_dir)
request = KunitConfigRequest(cli_args.build_dir,
cli_args.make_options)
result = config_tests(linux, request)
kunit_parser.print_with_timestamp((
'Elapsed time: %.3fs\n') % (
result.elapsed_time))
if result.status != KunitStatus.SUCCESS:
sys.exit(1)
elif cli_args.subcommand == 'build':
if not linux:
linux = kunit_kernel.LinuxSourceTree()
linux.create_kunitconfig(cli_args.build_dir)
linux.read_kunitconfig(cli_args.build_dir)
request = KunitBuildRequest(cli_args.jobs,
cli_args.build_dir,
cli_args.alltests,
cli_args.make_options)
result = build_tests(linux, request)
kunit_parser.print_with_timestamp((
'Elapsed time: %.3fs\n') % (
result.elapsed_time))
if result.status != KunitStatus.SUCCESS:
sys.exit(1)
elif cli_args.subcommand == 'exec':
if not linux:
linux = kunit_kernel.LinuxSourceTree()
linux.create_kunitconfig(cli_args.build_dir)
linux.read_kunitconfig(cli_args.build_dir)
exec_request = KunitExecRequest(cli_args.timeout,
cli_args.build_dir,
cli_args.alltests)
exec_result = exec_tests(linux, exec_request)
parse_request = KunitParseRequest(cli_args.raw_output,
exec_result.result,
cli_args.build_dir,
cli_args.json)
result = parse_tests(parse_request)
kunit_parser.print_with_timestamp((
'Elapsed time: %.3fs\n') % (
exec_result.elapsed_time))
if result.status != KunitStatus.SUCCESS:
sys.exit(1)
elif cli_args.subcommand == 'parse':
if cli_args.file == None:
kunit_output = sys.stdin
else:
with open(cli_args.file, 'r') as f:
kunit_output = f.read().splitlines()
request = KunitParseRequest(cli_args.raw_output,
kunit_output,
None,
cli_args.json)
result = parse_tests(request)
if result.status != KunitStatus.SUCCESS:
sys.exit(1)
else:
parser.print_help()
if __name__ == '__main__':
main(sys.argv[1:])