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author | Brendan Higgins <brendanhiggins@google.com> | 2020-08-04 13:47:44 -0700 |
---|---|---|
committer | Shuah Khan <skhan@linuxfoundation.org> | 2020-10-09 14:37:49 -0600 |
commit | 45dcbb6f5ef78b0a9c1b91bea2f6f227642a65aa (patch) | |
tree | 3b1166347c5ae73bf8f4b7101651a1bb633474db /tools | |
parent | 8c0d884986ba22f1020be9c02e41c030890ee8f2 (diff) | |
download | linux-45dcbb6f5ef78b0a9c1b91bea2f6f227642a65aa.tar.gz linux-45dcbb6f5ef78b0a9c1b91bea2f6f227642a65aa.tar.bz2 linux-45dcbb6f5ef78b0a9c1b91bea2f6f227642a65aa.zip |
kunit: test: add test plan to KUnit TAP format
TAP 14 allows an optional test plan to be emitted before the start of
the start of testing[1]; this is valuable because it makes it possible
for a test harness to detect whether the number of tests run matches the
number of tests expected to be run, ensuring that no tests silently
failed.
Link[1]: https://github.com/isaacs/testanything.github.io/blob/tap14/tap-version-14-specification.md#the-plan
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to 'tools')
4 files changed, 65 insertions, 14 deletions
diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py index f13e0c0d6663..8019e3dd4c32 100644 --- a/tools/testing/kunit/kunit_parser.py +++ b/tools/testing/kunit/kunit_parser.py @@ -45,10 +45,11 @@ class TestStatus(Enum): FAILURE = auto() TEST_CRASHED = auto() NO_TESTS = auto() + FAILURE_TO_PARSE_TESTS = auto() kunit_start_re = re.compile(r'TAP version [0-9]+$') kunit_end_re = re.compile('(List of all partitions:|' - 'Kernel panic - not syncing: VFS:|reboot: System halted)') + 'Kernel panic - not syncing: VFS:)') def isolate_kunit_output(kernel_output): started = False @@ -109,7 +110,7 @@ OkNotOkResult = namedtuple('OkNotOkResult', ['is_ok','description', 'text']) OK_NOT_OK_SUBTEST = re.compile(r'^[\s]+(ok|not ok) [0-9]+ - (.*)$') -OK_NOT_OK_MODULE = re.compile(r'^(ok|not ok) [0-9]+ - (.*)$') +OK_NOT_OK_MODULE = re.compile(r'^(ok|not ok) ([0-9]+) - (.*)$') def parse_ok_not_ok_test_case(lines: List[str], test_case: TestCase) -> bool: save_non_diagnositic(lines, test_case) @@ -197,7 +198,9 @@ def max_status(left: TestStatus, right: TestStatus) -> TestStatus: else: return TestStatus.SUCCESS -def parse_ok_not_ok_test_suite(lines: List[str], test_suite: TestSuite) -> bool: +def parse_ok_not_ok_test_suite(lines: List[str], + test_suite: TestSuite, + expected_suite_index: int) -> bool: consume_non_diagnositic(lines) if not lines: test_suite.status = TestStatus.TEST_CRASHED @@ -210,6 +213,12 @@ def parse_ok_not_ok_test_suite(lines: List[str], test_suite: TestSuite) -> bool: test_suite.status = TestStatus.SUCCESS else: test_suite.status = TestStatus.FAILURE + suite_index = int(match.group(2)) + if suite_index != expected_suite_index: + print_with_timestamp( + red('[ERROR] ') + 'expected_suite_index ' + + str(expected_suite_index) + ', but got ' + + str(suite_index)) return True else: return False @@ -222,7 +231,7 @@ def bubble_up_test_case_errors(test_suite: TestSuite) -> TestStatus: max_test_case_status = bubble_up_errors(lambda x: x.status, test_suite.cases) return max_status(max_test_case_status, test_suite.status) -def parse_test_suite(lines: List[str]) -> TestSuite: +def parse_test_suite(lines: List[str], expected_suite_index: int) -> TestSuite: if not lines: return None consume_non_diagnositic(lines) @@ -241,7 +250,7 @@ def parse_test_suite(lines: List[str]) -> TestSuite: break test_suite.cases.append(test_case) expected_test_case_num -= 1 - if parse_ok_not_ok_test_suite(lines, test_suite): + if parse_ok_not_ok_test_suite(lines, test_suite, expected_suite_index): test_suite.status = bubble_up_test_case_errors(test_suite) return test_suite elif not lines: @@ -261,6 +270,17 @@ def parse_tap_header(lines: List[str]) -> bool: else: return False +TEST_PLAN = re.compile(r'[0-9]+\.\.([0-9]+)') + +def parse_test_plan(lines: List[str]) -> int: + consume_non_diagnositic(lines) + match = TEST_PLAN.match(lines[0]) + if match: + lines.pop(0) + return int(match.group(1)) + else: + return None + def bubble_up_suite_errors(test_suite_list: List[TestSuite]) -> TestStatus: return bubble_up_errors(lambda x: x.status, test_suite_list) @@ -268,20 +288,33 @@ def parse_test_result(lines: List[str]) -> TestResult: consume_non_diagnositic(lines) if not lines or not parse_tap_header(lines): return TestResult(TestStatus.NO_TESTS, [], lines) + expected_test_suite_num = parse_test_plan(lines) + if not expected_test_suite_num: + return TestResult(TestStatus.FAILURE_TO_PARSE_TESTS, [], lines) test_suites = [] - test_suite = parse_test_suite(lines) - while test_suite: - test_suites.append(test_suite) - test_suite = parse_test_suite(lines) - return TestResult(bubble_up_suite_errors(test_suites), test_suites, lines) + for i in range(1, expected_test_suite_num + 1): + test_suite = parse_test_suite(lines, i) + if test_suite: + test_suites.append(test_suite) + else: + print_with_timestamp( + red('[ERROR] ') + ' expected ' + + str(expected_test_suite_num) + + ' test suites, but got ' + str(i - 2)) + break + test_suite = parse_test_suite(lines, -1) + if test_suite: + print_with_timestamp(red('[ERROR] ') + + 'got unexpected test suite: ' + test_suite.name) + if test_suites: + return TestResult(bubble_up_suite_errors(test_suites), test_suites, lines) + else: + return TestResult(TestStatus.NO_TESTS, [], lines) -def parse_run_tests(kernel_output) -> TestResult: +def print_and_count_results(test_result: TestResult) -> None: total_tests = 0 failed_tests = 0 crashed_tests = 0 - test_result = parse_test_result(list(isolate_kunit_output(kernel_output))) - if test_result.status == TestStatus.NO_TESTS: - print_with_timestamp(red('[ERROR] ') + 'no kunit output detected') for test_suite in test_result.suites: if test_suite.status == TestStatus.SUCCESS: print_suite_divider(green('[PASSED] ') + test_suite.name) @@ -303,6 +336,21 @@ def parse_run_tests(kernel_output) -> TestResult: 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 + +def parse_run_tests(kernel_output) -> TestResult: + total_tests = 0 + failed_tests = 0 + crashed_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!')) + 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) = print_and_count_results(test_result) print_with_timestamp(DIVIDER) fmt = green if test_result.status == TestStatus.SUCCESS else red print_with_timestamp( diff --git a/tools/testing/kunit/test_data/test_is_test_passed-all_passed.log b/tools/testing/kunit/test_data/test_is_test_passed-all_passed.log index 62ebc0288355..bc0dc8fe35b7 100644 --- a/tools/testing/kunit/test_data/test_is_test_passed-all_passed.log +++ b/tools/testing/kunit/test_data/test_is_test_passed-all_passed.log @@ -1,4 +1,5 @@ TAP version 14 +1..2 # Subtest: sysctl_test 1..8 # sysctl_test_dointvec_null_tbl_data: sysctl_test_dointvec_null_tbl_data passed diff --git a/tools/testing/kunit/test_data/test_is_test_passed-crash.log b/tools/testing/kunit/test_data/test_is_test_passed-crash.log index 0b249870c8be..4d97f6708c4a 100644 --- a/tools/testing/kunit/test_data/test_is_test_passed-crash.log +++ b/tools/testing/kunit/test_data/test_is_test_passed-crash.log @@ -1,6 +1,7 @@ printk: console [tty0] enabled printk: console [mc-1] enabled TAP version 14 +1..2 # Subtest: sysctl_test 1..8 # sysctl_test_dointvec_null_tbl_data: sysctl_test_dointvec_null_tbl_data passed diff --git a/tools/testing/kunit/test_data/test_is_test_passed-failure.log b/tools/testing/kunit/test_data/test_is_test_passed-failure.log index 9e89d32d5667..7a416497e3be 100644 --- a/tools/testing/kunit/test_data/test_is_test_passed-failure.log +++ b/tools/testing/kunit/test_data/test_is_test_passed-failure.log @@ -1,4 +1,5 @@ TAP version 14 +1..2 # Subtest: sysctl_test 1..8 # sysctl_test_dointvec_null_tbl_data: sysctl_test_dointvec_null_tbl_data passed |