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kunit: tool: surface and address more typing issues

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The authors of this tool were more familiar with a different
type-checker, https://github.com/google/pytype.

That's open source, but mypy seems more prevalent (and runs faster).
And unlike pytype, mypy doesn't try to infer types so it doesn't check
unanotated functions.

So annotate ~all functions in kunit tool to increase type-checking
coverage.
Note: per https://www.python.org/dev/peps/pep-0484/, `__init__()` should
be annotated as `-> None`.

Doing so makes mypy discover a number of new violations.
Exclude main() since we reuse `request` for the different types of
requests, which mypy isn't happy about.

This commit fixes all but one error, where `TestSuite.status` might be
None.

Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Tested-by: Brendan Higgins <brendanhiggins@google.com>
Acked-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Daniel Latypov
2021-01-14 16:39:11 -08:00
committed by Shuah Khan
parent 8db50be262
commit 09641f7c7d
5 changed files with 54 additions and 52 deletions
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14
tools/testing/kunit/kunit.py
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@@ -43,9 +43,9 @@ class KunitStatus(Enum):
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')
def get_kernel_root_path() -> str:
path = sys.argv[0] if not __file__ else __file__
parts = os.path.realpath(path).split('tools/testing/kunit')
if len(parts) != 2:
sys.exit(1)
return parts[0]
@@ -171,7 +171,7 @@ def run_tests(linux: kunit_kernel.LinuxSourceTree,
exec_result.elapsed_time))
return parse_result
def add_common_opts(parser):
def add_common_opts(parser) -> None:
parser.add_argument('--build_dir',
help='As in the make command, it specifies the build '
'directory.',
@@ -183,13 +183,13 @@ def add_common_opts(parser):
help='Run all KUnit tests through allyesconfig',
action='store_true')
def add_build_opts(parser):
def add_build_opts(parser) -> None:
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):
def add_exec_opts(parser) -> None:
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 '
@@ -198,7 +198,7 @@ def add_exec_opts(parser):
default=300,
metavar='timeout')
def add_parse_opts(parser):
def add_parse_opts(parser) -> None:
parser.add_argument('--raw_output', help='don\'t format output from kernel',
action='store_true')
parser.add_argument('--json',