| Message ID | 20210701175231.1734589-1-rmoar@google.com |
|---|---|
| State | Accepted |
| Commit | ed01ad3a2fac8fff63f441ead4f8653da053c65b |
| Headers | show |
| Series | [v2] kunit: tool: Fix error messages for cases of no tests and wrong TAP header | expand |
On Thu, Jul 1, 2021 at 10:52 AM Rae Moar <rmoar@google.com> wrote: > > This patch addresses misleading error messages reported by kunit_tool in > two cases. First, in the case of TAP output having an incorrect header > format or missing a header, the parser used to output an error message of > 'no tests run!'. Now the parser outputs an error message of 'could not > parse test results!'. > > As an example: > > Before: > $ ./tools/testing/kunit/kunit.py parse /dev/null > [ERROR] no tests run! > ... > > After: > $ ./tools/testing/kunit/kunit.py parse /dev/null > [ERROR] could not parse test results! > ... > > Second, in the case of TAP output with the correct header but no > tests, the parser used to output an error message of 'could not parse > test results!'. Now the parser outputs an error message of 'no tests > run!'. > > As an example: > > Before: > $ echo -e 'TAP version 14\n1..0' | ./tools/testing/kunit/kunit.py parse > [ERROR] could not parse test results! > > After: > $ echo -e 'TAP version 14\n1..0' | ./tools/testing/kunit/kunit.py parse > [ERROR] no tests run! > > Additionally, this patch also corrects the tests in kunit_tool_test.py > and adds a test to check the error in the case of TAP output with the > correct header but no tests. > > Signed-off-by: Rae Moar <rmoar@google.com> > Reviewed-by: David Gow <davidgow@google.com> > Reviewed-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py index c3c524b79db8..b88db3f51dc5 100644 --- a/tools/testing/kunit/kunit_parser.py +++ b/tools/testing/kunit/kunit_parser.py @@ -338,9 +338,11 @@ def bubble_up_suite_errors(test_suites: Iterable[TestSuite]) -> TestStatus: def parse_test_result(lines: LineStream) -> TestResult: consume_non_diagnostic(lines) if not lines or not parse_tap_header(lines): - return TestResult(TestStatus.NO_TESTS, [], lines) + return TestResult(TestStatus.FAILURE_TO_PARSE_TESTS, [], lines) expected_test_suite_num = parse_test_plan(lines) - if not expected_test_suite_num: + if expected_test_suite_num == 0: + return TestResult(TestStatus.NO_TESTS, [], lines) + elif expected_test_suite_num is None: return TestResult(TestStatus.FAILURE_TO_PARSE_TESTS, [], lines) test_suites = [] for i in range(1, expected_test_suite_num + 1): diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py index bdae0e5f6197..75045aa0f8a1 100755 --- a/tools/testing/kunit/kunit_tool_test.py +++ b/tools/testing/kunit/kunit_tool_test.py @@ -157,8 +157,18 @@ class KUnitParserTest(unittest.TestCase): kunit_parser.TestStatus.FAILURE, result.status) + def test_no_header(self): + empty_log = test_data_path('test_is_test_passed-no_tests_run_no_header.log') + with open(empty_log) as file: + result = kunit_parser.parse_run_tests( + kunit_parser.extract_tap_lines(file.readlines())) + self.assertEqual(0, len(result.suites)) + self.assertEqual( + kunit_parser.TestStatus.FAILURE_TO_PARSE_TESTS, + result.status) + def test_no_tests(self): - empty_log = test_data_path('test_is_test_passed-no_tests_run.log') + empty_log = test_data_path('test_is_test_passed-no_tests_run_with_header.log') with open(empty_log) as file: result = kunit_parser.parse_run_tests( kunit_parser.extract_tap_lines(file.readlines())) @@ -173,7 +183,7 @@ class KUnitParserTest(unittest.TestCase): with open(crash_log) as file: result = kunit_parser.parse_run_tests( kunit_parser.extract_tap_lines(file.readlines())) - print_mock.assert_any_call(StrContains('no tests run!')) + print_mock.assert_any_call(StrContains('could not parse test results!')) print_mock.stop() file.close() @@ -309,7 +319,7 @@ class KUnitJsonTest(unittest.TestCase): result["sub_groups"][1]["test_cases"][0]) def test_no_tests_json(self): - result = self._json_for('test_is_test_passed-no_tests_run.log') + result = self._json_for('test_is_test_passed-no_tests_run_with_header.log') self.assertEqual(0, len(result['sub_groups'])) class StrContains(str): diff --git a/tools/testing/kunit/test_data/test_is_test_passed-no_tests_run.log b/tools/testing/kunit/test_data/test_is_test_passed-no_tests_run_no_header.log similarity index 100% rename from tools/testing/kunit/test_data/test_is_test_passed-no_tests_run.log rename to tools/testing/kunit/test_data/test_is_test_passed-no_tests_run_no_header.log diff --git a/tools/testing/kunit/test_data/test_is_test_passed-no_tests_run_with_header.log b/tools/testing/kunit/test_data/test_is_test_passed-no_tests_run_with_header.log new file mode 100644 index 000000000000..5f48ee659d40 --- /dev/null +++ b/tools/testing/kunit/test_data/test_is_test_passed-no_tests_run_with_header.log @@ -0,0 +1,2 @@ +TAP version 14 +1..0