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kunit: tool: use dataclass instead of collections.namedtuple 

namedtuple is a terse way of defining a collection of fields.
However, it does not allow us to annotate the type of these fields.
It also doesn't let us have any sort of inheritance between types.

Since commit df4b0807ca ("kunit: tool: Assert the version
requirement"), kunit.py has asserted that it's running on python >=3.7.

So in that case use a 3.7 feature, dataclasses, to replace these.

Changes in detail:
* Make KunitExecRequest contain all the fields needed for exec_tests
* Use inheritance to dedupe fields
  * also allows us to e.g. pass a KUnitRequest in as a KUnitParseRequest
  * this has changed around the order of some fields
* Use named arguments when constructing all request objects in kunit.py
  * This is to prevent accidentally mixing up fields, etc.

Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Daniel Latypov 2021-12-14 11:26:11 -08:00 committed by Shuah Khan
parent 7fa7ffcf9b
commit db1679813f
2 changed files with 75 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

139
tools/testing/kunit/kunit.py
View File

@ -15,38 +15,57 @@ import time
assert sys.version_info >= (3, 7), "Python version is too old"
from collections import namedtuple
from dataclasses import dataclass
from enum import Enum, auto
from typing import Iterable, Sequence, List
from typing import Any, Iterable, Sequence, List, Optional
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',
'filter_glob', 'kernel_args', 'run_isolated'])
KunitParseRequest = namedtuple('KunitParseRequest',
['raw_output', 'build_dir', 'json'])
KunitRequest = namedtuple('KunitRequest', ['raw_output','timeout', 'jobs',
'build_dir', 'alltests', 'filter_glob',
'kernel_args', 'run_isolated', '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()
@dataclass
class KunitResult:
status: KunitStatus
result: Any
elapsed_time: float
@dataclass
class KunitConfigRequest:
build_dir: str
make_options: Optional[List[str]]
@dataclass
class KunitBuildRequest(KunitConfigRequest):
jobs: int
alltests: bool
@dataclass
class KunitParseRequest:
raw_output: Optional[str]
build_dir: str
json: Optional[str]
@dataclass
class KunitExecRequest(KunitParseRequest):
timeout: int
alltests: bool
filter_glob: str
kernel_args: Optional[List[str]]
run_isolated: Optional[str]
@dataclass
class KunitRequest(KunitExecRequest, KunitBuildRequest):
pass
KernelDirectoryPath = sys.argv[0].split('tools/testing/kunit/')[0]
def get_kernel_root_path() -> str:
path = sys.argv[0] if not __file__ else __file__
parts = os.path.realpath(path).split('tools/testing/kunit')
@ -121,8 +140,7 @@ def _suites_from_test_list(tests: List[str]) -> List[str]:
def exec_tests(linux: kunit_kernel.LinuxSourceTree, request: KunitExecRequest,
parse_request: KunitParseRequest) -> KunitResult:
def exec_tests(linux: kunit_kernel.LinuxSourceTree, request: KunitExecRequest) -> KunitResult:
filter_globs = [request.filter_glob]
if request.run_isolated:
tests = _list_tests(linux, request)
@ -147,7 +165,7 @@ def exec_tests(linux: kunit_kernel.LinuxSourceTree, request: KunitExecRequest,
filter_glob=filter_glob,
build_dir=request.build_dir)
result = parse_tests(parse_request, run_result)
result = parse_tests(request, run_result)
# run_kernel() doesn't block on the kernel exiting.
# That only happens after we get the last line of output from `run_result`.
# So exec_time here actually contains parsing + execution time, which is fine.
@ -217,27 +235,15 @@ 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)
config_result = config_tests(linux, 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)
build_result = build_tests(linux, request)
if build_result.status != KunitStatus.SUCCESS:
return build_result
exec_request = KunitExecRequest(request.timeout, request.build_dir,
request.alltests, request.filter_glob,
request.kernel_args, request.run_isolated)
parse_request = KunitParseRequest(request.raw_output,
request.build_dir,
request.json)
exec_result = exec_tests(linux, exec_request, parse_request)
exec_result = exec_tests(linux, request)
run_end = time.time()
@ -413,16 +419,16 @@ def main(argv, linux=None):
cross_compile=cli_args.cross_compile,
qemu_config_path=cli_args.qemu_config)
request = KunitRequest(cli_args.raw_output,
cli_args.timeout,
cli_args.jobs,
cli_args.build_dir,
cli_args.alltests,
cli_args.filter_glob,
cli_args.kernel_args,
cli_args.run_isolated,
cli_args.json,
cli_args.make_options)
request = KunitRequest(build_dir=cli_args.build_dir,
make_options=cli_args.make_options,
jobs=cli_args.jobs,
alltests=cli_args.alltests,
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)
@ -439,8 +445,8 @@ def main(argv, linux=None):
cross_compile=cli_args.cross_compile,
qemu_config_path=cli_args.qemu_config)
request = KunitConfigRequest(cli_args.build_dir,
cli_args.make_options)
request = KunitConfigRequest(build_dir=cli_args.build_dir,
make_options=cli_args.make_options)
result = config_tests(linux, request)
kunit_parser.print_with_timestamp((
'Elapsed time: %.3fs\n') % (
@ -456,10 +462,10 @@ def main(argv, linux=None):
cross_compile=cli_args.cross_compile,
qemu_config_path=cli_args.qemu_config)
request = KunitBuildRequest(cli_args.jobs,
cli_args.build_dir,
cli_args.alltests,
cli_args.make_options)
request = KunitBuildRequest(build_dir=cli_args.build_dir,
make_options=cli_args.make_options,
jobs=cli_args.jobs,
alltests=cli_args.alltests)
result = build_tests(linux, request)
kunit_parser.print_with_timestamp((
'Elapsed time: %.3fs\n') % (
@ -475,16 +481,15 @@ def main(argv, linux=None):
cross_compile=cli_args.cross_compile,
qemu_config_path=cli_args.qemu_config)
exec_request = KunitExecRequest(cli_args.timeout,
cli_args.build_dir,
cli_args.alltests,
cli_args.filter_glob,
cli_args.kernel_args,
cli_args.run_isolated)
parse_request = KunitParseRequest(cli_args.raw_output,
cli_args.build_dir,
cli_args.json)
result = exec_tests(linux, exec_request, parse_request)
exec_request = KunitExecRequest(raw_output=cli_args.raw_output,
build_dir=cli_args.build_dir,
json=cli_args.json,
timeout=cli_args.timeout,
alltests=cli_args.alltests,
filter_glob=cli_args.filter_glob,
kernel_args=cli_args.kernel_args,
run_isolated=cli_args.run_isolated)
result = exec_tests(linux, exec_request)
kunit_parser.print_with_timestamp((
'Elapsed time: %.3fs\n') % (result.elapsed_time))
if result.status != KunitStatus.SUCCESS:
@ -496,9 +501,9 @@ def main(argv, linux=None):
else:
with open(cli_args.file, 'r', errors='backslashreplace') as f:
kunit_output = f.read().splitlines()
request = KunitParseRequest(cli_args.raw_output,
None,
cli_args.json)
request = KunitParseRequest(raw_output=cli_args.raw_output,
build_dir='',
json=cli_args.json)
result = parse_tests(request, kunit_output)
if result.status != KunitStatus.SUCCESS:
sys.exit(1)

6
tools/testing/kunit/kunit_tool_test.py
View File

@ -691,7 +691,7 @@ class KUnitMainTest(unittest.TestCase):
self.linux_source_mock.run_kernel.return_value = ['TAP version 14', 'init: random output'] + want
got = kunit._list_tests(self.linux_source_mock,
kunit.KunitExecRequest(300, '.kunit', False, 'suite*', None, 'suite'))
kunit.KunitExecRequest(None, '.kunit', None, 300, False, 'suite*', None, 'suite'))
self.assertEqual(got, want)
# Should respect the user's filter glob when listing tests.
@ -706,7 +706,7 @@ class KUnitMainTest(unittest.TestCase):
# Should respect the user's filter glob when listing tests.
mock_tests.assert_called_once_with(mock.ANY,
kunit.KunitExecRequest(300, '.kunit', False, 'suite*.test*', None, 'suite'))
kunit.KunitExecRequest(None, '.kunit', None, 300, False, 'suite*.test*', None, 'suite'))
self.linux_source_mock.run_kernel.assert_has_calls([
mock.call(args=None, build_dir='.kunit', filter_glob='suite.test*', timeout=300),
mock.call(args=None, build_dir='.kunit', filter_glob='suite2.test*', timeout=300),
@ -719,7 +719,7 @@ class KUnitMainTest(unittest.TestCase):
# Should respect the user's filter glob when listing tests.
mock_tests.assert_called_once_with(mock.ANY,
kunit.KunitExecRequest(300, '.kunit', False, 'suite*', None, 'test'))
kunit.KunitExecRequest(None, '.kunit', None, 300, False, 'suite*', None, 'test'))
self.linux_source_mock.run_kernel.assert_has_calls([
mock.call(args=None, build_dir='.kunit', filter_glob='suite.test1', timeout=300),
mock.call(args=None, build_dir='.kunit', filter_glob='suite.test2', timeout=300),