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Date: Thu, 27 May 2021 16:22:15 +0800
From: David Gow <davidgow@...gle.com>
To: Daniel Latypov <dlatypov@...gle.com>
Cc: Brendan Higgins <brendanhiggins@...gle.com>,
Alan Maguire <alan.maguire@...cle.com>,
Shuah Khan <skhan@...uxfoundation.org>,
Marco Elver <elver@...gle.com>,
KUnit Development <kunit-dev@...glegroups.com>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] kunit: tool: Support skipped tests in kunit_tool
On Thu, May 27, 2021 at 3:10 AM Daniel Latypov <dlatypov@...gle.com> wrote:
>
> On Wed, May 26, 2021 at 1:11 AM 'David Gow' via KUnit Development
> <kunit-dev@...glegroups.com> wrote:
> >
> > Add support for the SKIP directive to kunit_tool's TAP parser.
> >
> > Skipped tests now show up as such in the printed summary. The number of
> > skipped tests is counted, and if all tests in a suite are skipped, the
> > suite is also marked as skipped. Otherwise, skipped tests do affect the
> > suite result.
> >
> > Example output:
> > [00:22:34] ======== [SKIPPED] example_skip ========
> > [00:22:34] [SKIPPED] example_skip_test # SKIP this test should be skipped
> > [00:22:34] [SKIPPED] example_mark_skipped_test # SKIP this test should be skipped
> > [00:22:34] ============================================================
> > [00:22:34] Testing complete. 2 tests run. 0 failed. 0 crashed. 2 skipped.
> >
> > Signed-off-by: David Gow <davidgow@...gle.com>
> > ---
> > tools/testing/kunit/kunit_parser.py | 47 +++++++++++++++++++-------
> > tools/testing/kunit/kunit_tool_test.py | 22 ++++++++++++
>
> This seems to be missing the added test files.
>
Whoops, yes: I'll add these back in v2.
> > 2 files changed, 57 insertions(+), 12 deletions(-)
> >
> > diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py
> > index e8bcc139702e..6b5dd26b479d 100644
> > --- a/tools/testing/kunit/kunit_parser.py
> > +++ b/tools/testing/kunit/kunit_parser.py
> > @@ -43,6 +43,7 @@ class TestCase(object):
> > class TestStatus(Enum):
> > SUCCESS = auto()
> > FAILURE = auto()
> > + SKIPPED = auto()
> > TEST_CRASHED = auto()
> > NO_TESTS = auto()
> > FAILURE_TO_PARSE_TESTS = auto()
> > @@ -108,6 +109,8 @@ def save_non_diagnostic(lines: List[str], test_case: TestCase) -> None:
> >
> > OkNotOkResult = namedtuple('OkNotOkResult', ['is_ok','description', 'text'])
> >
> > +OK_NOT_OK_SKIP = re.compile(r'^[\s]*(ok|not ok) [0-9]+ - (.*) # SKIP(.*)$')
> > +
> > OK_NOT_OK_SUBTEST = re.compile(r'^[\s]+(ok|not ok) [0-9]+ - (.*)$')
> >
> > OK_NOT_OK_MODULE = re.compile(r'^(ok|not ok) ([0-9]+) - (.*)$')
> > @@ -125,6 +128,10 @@ def parse_ok_not_ok_test_case(lines: List[str], test_case: TestCase) -> bool:
> > if match:
> > test_case.log.append(lines.pop(0))
> > test_case.name = match.group(2)
> > + skip_match = OK_NOT_OK_SKIP.match(line)
> > + if skip_match:
> > + test_case.status = TestStatus.SKIPPED
> > + return True
> > if test_case.status == TestStatus.TEST_CRASHED:
> > return True
> > if match.group(1) == 'ok':
> > @@ -188,16 +195,16 @@ def parse_subtest_plan(lines: List[str]) -> Optional[int]:
> > return None
> >
> > def max_status(left: TestStatus, right: TestStatus) -> TestStatus:
> > - if left == TestStatus.TEST_CRASHED or right == TestStatus.TEST_CRASHED:
> > + if left == right:
> > + return left
> > + elif left == TestStatus.TEST_CRASHED or right == TestStatus.TEST_CRASHED:
> > return TestStatus.TEST_CRASHED
> > elif left == TestStatus.FAILURE or right == TestStatus.FAILURE:
> > return TestStatus.FAILURE
> > - elif left != TestStatus.SUCCESS:
> > - return left
> > - elif right != TestStatus.SUCCESS:
> > + elif left == TestStatus.SKIPPED:
> > return right
> > else:
> > - return TestStatus.SUCCESS
> > + return left
> >
> > def parse_ok_not_ok_test_suite(lines: List[str],
> > test_suite: TestSuite,
> > @@ -214,6 +221,9 @@ def parse_ok_not_ok_test_suite(lines: List[str],
> > test_suite.status = TestStatus.SUCCESS
> > else:
> > test_suite.status = TestStatus.FAILURE
> > + skip_match = OK_NOT_OK_SKIP.match(line)
> > + if skip_match:
> > + test_suite.status = TestStatus.SKIPPED
> > suite_index = int(match.group(2))
> > if suite_index != expected_suite_index:
> > print_with_timestamp(
> > @@ -224,8 +234,8 @@ def parse_ok_not_ok_test_suite(lines: List[str],
> > else:
> > return False
> >
> > -def bubble_up_errors(statuses: Iterable[TestStatus]) -> TestStatus:
> > - return reduce(max_status, statuses, TestStatus.SUCCESS)
> > +def bubble_up_errors(status_list: Iterable[TestStatus]) -> TestStatus:
> > + return reduce(max_status, status_list, TestStatus.SKIPPED)
> >
> > def bubble_up_test_case_errors(test_suite: TestSuite) -> TestStatus:
> > max_test_case_status = bubble_up_errors(x.status for x in test_suite.cases)
> > @@ -315,9 +325,12 @@ def print_and_count_results(test_result: TestResult) -> Tuple[int, int, int]:
>
> Btw, this type annotation is out of date.
Oops: will fix and/or replace with the below.
> But I think an ever growing Tuple is too cumbersome, how about this?
>
Yeah, this does seem cleaner: I'll put this or something like it in v2.
> diff --git a/tools/testing/kunit/kunit_parser.py
> b/tools/testing/kunit/kunit_parser.py
> index 6b5dd26b479d..055ee1e4d19d 100644
> --- a/tools/testing/kunit/kunit_parser.py
> +++ b/tools/testing/kunit/kunit_parser.py
> @@ -6,6 +6,7 @@
> # Author: Felix Guo <felixguoxiuping@...il.com>
> # Author: Brendan Higgins <brendanhiggins@...gle.com>
>
> +from dataclasses import dataclass
> import re
>
> from collections import namedtuple
> @@ -321,11 +322,19 @@ def parse_test_result(lines: List[str]) -> TestResult:
> else:
> return TestResult(TestStatus.NO_TESTS, [], lines)
>
> -def print_and_count_results(test_result: TestResult) -> Tuple[int, int, int]:
> - total_tests = 0
> - failed_tests = 0
> - crashed_tests = 0
> - skipped_tests = 0
> +# Note: This would require Python 3.7. We currently only required
> 3.6 (enum.auto). We can do it by hand to avoid that, if we want.
Hmm... I'm generally loath to increase the version requirement for
something this simple, so might look into doing a version of this
without the dataclass.
> +@...aclass
> +class TestCounts:
> + passed: int = 0
> + failed: int = 0
> + skipped: int = 0
> + crashed: int = 0
> +
> + def total(self) -> int:
> + return self.passed + self.failed + self.skipped + self.crashed
> +
> +def print_and_count_results(test_result: TestResult) -> TestCounts:
> + counts = TestCounts()
> for test_suite in test_result.suites:
> if test_suite.status == TestStatus.SUCCESS:
> print_suite_divider(green('[PASSED] ') +
> test_suite.name)
> @@ -336,39 +345,33 @@ def print_and_count_results(test_result:
> TestResult) -> Tuple[int, int, int]:
> else:
> print_suite_divider(red('[FAILED] ') + test_suite.name)
> for test_case in test_suite.cases:
> - total_tests += 1
> if test_case.status == TestStatus.SUCCESS:
> + counts.passed += 1
> print_with_timestamp(green('[PASSED]
> ') + test_case.name)
> elif test_case.status == TestStatus.SKIPPED:
> - skipped_tests += 1
> + counts.skipped += 1
> print_with_timestamp(yellow('[SKIPPED]
> ') + test_case.name)
> elif test_case.status == TestStatus.TEST_CRASHED:
> - crashed_tests += 1
> + counts.crashed += 1
> print_with_timestamp(red('[CRASHED] '
> + test_case.name))
> print_log(map(yellow, test_case.log))
> print_with_timestamp('')
> else:
> - failed_tests += 1
> + counts.failed += 1
> print_with_timestamp(red('[FAILED] ')
> + test_case.name)
> print_log(map(yellow, test_case.log))
> print_with_timestamp('')
> - return total_tests, failed_tests, crashed_tests, skipped_tests
> + return counts
>
> def parse_run_tests(kernel_output) -> TestResult:
> - total_tests = 0
> - failed_tests = 0
> - crashed_tests = 0
> - skipped_tests = 0
> + counts = TestCounts()
> test_result =
> parse_test_result(list(isolate_kunit_output(kernel_output)))
> if test_result.status == TestStatus.NO_TESTS:
> print(red('[ERROR] ') + yellow('no tests run!'))
> elif test_result.status == TestStatus.FAILURE_TO_PARSE_TESTS:
> print(red('[ERROR] ') + yellow('could not parse test results!'))
> else:
> - (total_tests,
> - failed_tests,
> - crashed_tests,
> - skipped_tests) = print_and_count_results(test_result)
> + counts = print_and_count_results(test_result)
> print_with_timestamp(DIVIDER)
> if test_result.status == TestStatus.SUCCESS:
> fmt = green
> @@ -378,5 +381,5 @@ def parse_run_tests(kernel_output) -> TestResult:
> fmt =red
> print_with_timestamp(
> fmt('Testing complete. %d tests run. %d failed. %d
> crashed. %d skipped.' %
> - (total_tests, failed_tests, crashed_tests, skipped_tests)))
> + (counts.total(), counts.failed, counts.crashed,
> counts.skipped)))
> return test_result
>
> > total_tests = 0
> > failed_tests = 0
> > crashed_tests = 0
> > + skipped_tests = 0
> > for test_suite in test_result.suites:
> > if test_suite.status == TestStatus.SUCCESS:
> > print_suite_divider(green('[PASSED] ') + test_suite.name)
> > + elif test_suite.status == TestStatus.SKIPPED:
> > + print_suite_divider(yellow('[SKIPPED] ') + test_suite.name)
> > elif test_suite.status == TestStatus.TEST_CRASHED:
> > print_suite_divider(red('[CRASHED] ' + test_suite.name))
> > else:
> > @@ -326,6 +339,9 @@ def print_and_count_results(test_result: TestResult) -> Tuple[int, int, int]:
> > total_tests += 1
> > if test_case.status == TestStatus.SUCCESS:
> > print_with_timestamp(green('[PASSED] ') + test_case.name)
> > + elif test_case.status == TestStatus.SKIPPED:
> > + skipped_tests += 1
> > + print_with_timestamp(yellow('[SKIPPED] ') + test_case.name)
> > elif test_case.status == TestStatus.TEST_CRASHED:
> > crashed_tests += 1
> > print_with_timestamp(red('[CRASHED] ' + test_case.name))
> > @@ -336,12 +352,13 @@ def print_and_count_results(test_result: TestResult) -> Tuple[int, int, int]:
> > print_with_timestamp(red('[FAILED] ') + test_case.name)
> > print_log(map(yellow, test_case.log))
> > print_with_timestamp('')
> > - return total_tests, failed_tests, crashed_tests
> > + return total_tests, failed_tests, crashed_tests, skipped_tests
> >
> > def parse_run_tests(kernel_output) -> TestResult:
> > total_tests = 0
> > failed_tests = 0
> > crashed_tests = 0
> > + skipped_tests = 0
> > test_result = parse_test_result(list(isolate_kunit_output(kernel_output)))
> > if test_result.status == TestStatus.NO_TESTS:
> > print(red('[ERROR] ') + yellow('no tests run!'))
> > @@ -350,10 +367,16 @@ def parse_run_tests(kernel_output) -> TestResult:
> > else:
> > (total_tests,
> > failed_tests,
> > - crashed_tests) = print_and_count_results(test_result)
> > + crashed_tests,
> > + skipped_tests) = print_and_count_results(test_result)
> > print_with_timestamp(DIVIDER)
> > - fmt = green if test_result.status == TestStatus.SUCCESS else red
> > + if test_result.status == TestStatus.SUCCESS:
> > + fmt = green
> > + elif test_result.status == TestStatus.SKIPPED:
> > + fmt = yellow
> > + else:
> > + fmt =red
> > print_with_timestamp(
> > - fmt('Testing complete. %d tests run. %d failed. %d crashed.' %
> > - (total_tests, failed_tests, crashed_tests)))
> > + fmt('Testing complete. %d tests run. %d failed. %d crashed. %d skipped.' %
> > + (total_tests, failed_tests, crashed_tests, skipped_tests)))
> > return test_result
> > diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py
> > index 2e809dd956a7..a51e70cafcc1 100755
> > --- a/tools/testing/kunit/kunit_tool_test.py
> > +++ b/tools/testing/kunit/kunit_tool_test.py
> > @@ -183,6 +183,28 @@ class KUnitParserTest(unittest.TestCase):
> > kunit_parser.TestStatus.TEST_CRASHED,
> > result.status)
> >
> > + def test_skipped_test(self):
> > + skipped_log = test_data_path('test_skip_tests.log')
> > + file = open(skipped_log)
> > + result = kunit_parser.parse_run_tests(file.readlines())
> > +
> > + # A skipped test does not fail the whole suite.
> > + self.assertEqual(
> > + kunit_parser.TestStatus.SUCCESS,
> > + result.status)
> > + file.close()
> > +
> > + def test_skipped_all_tests(self):
> > + skipped_log = test_data_path('test_skip_all_tests.log')
> > + file = open(skipped_log)
> > + result = kunit_parser.parse_run_tests(file.readlines())
> > +
> > + self.assertEqual(
> > + kunit_parser.TestStatus.SKIPPED,
> > + result.status)
> > + file.close()
> > +
> > +
> > def test_ignores_prefix_printk_time(self):
> > prefix_log = test_data_path('test_config_printk_time.log')
> > with open(prefix_log) as file:
> > --
> > 2.31.1.818.g46aad6cb9e-goog
> >
> > --
> > You received this message because you are subscribed to the Google Groups "KUnit Development" group.
> > To unsubscribe from this group and stop receiving emails from it, send an email to kunit-dev+unsubscribe@...glegroups.com.
> > To view this discussion on the web visit https://groups.google.com/d/msgid/kunit-dev/20210526081112.3652290-2-davidgow%40google.com.
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