From patchwork Mon Dec 16 22:05:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 11295415 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6AD5C138D for ; Mon, 16 Dec 2019 22:07:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 34BC72176D for ; Mon, 16 Dec 2019 22:07:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="PoZWzgWw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727763AbfLPWHD (ORCPT ); Mon, 16 Dec 2019 17:07:03 -0500 Received: from mail-pl1-f201.google.com ([209.85.214.201]:33717 "EHLO mail-pl1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727802AbfLPWHD (ORCPT ); Mon, 16 Dec 2019 17:07:03 -0500 Received: by mail-pl1-f201.google.com with SMTP id bd7so1040643plb.0 for ; Mon, 16 Dec 2019 14:07:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=Okrb9rHJOSAwXic7+h2dqG6fsBBwkjlDB5IhnYj28lc=; b=PoZWzgWw1COthpkjvpOPoZMVnNL7EbyJBjKnF5h5ebhlahg7EO1ofCuqQyjYp9HeTw m2h+5dX3WRBxkQg52ozkN+0oW8260UNB9rJvCXhRcF5l2ZAEi6itglBJ/zA1T3+ZKpO5 vyuVyrFnLzXK485fnsQxvE/4EK9lhZwonTsrjH3B6ocNiHu+UvsHYjrFvXSY17E5OL6p MjBY+Vw6/4tH15sgb51ab9afIxOj+yW/iJYivlCcisPom8guNlcln7c/MHbi9KClA5+y 7CGNCI+zDqL1XjKB+BevStLinv6jb8hQXGJ7LEL7BaemNbhQDyFwDU0DhdfLoJreEwkA Vq9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=Okrb9rHJOSAwXic7+h2dqG6fsBBwkjlDB5IhnYj28lc=; b=lm4EaKzGH95e7TYSH1yL1LEfO91r8vtBVL2o3dk/8UWwEK95wnclHEVytUtCs7Wzy4 mFalBR0w8A5YrOkX/VOs5YfD1HL1xXTcbM9LMTC+FUbl3vA2at6ZZ1LqI6ChcFYSghLo GVaBq4laMRXIhggJB8Bca/keP9BUd+4rOz2w9F0f1Tr1BgMw3RTVYmG1sECHuU8tEivb NWw9QUdfbbF6bZBYmZceCPzu2Y+iKuXPFGgov3kZzrJUmWhgubC/5CQzAVIvlSvbqtLz PxZoLHEytQQcsKpNHf7kUJq7iCAxnexUh1SmUonoaMLYTCGLS2h9N/k17uvXtwqOl76e 5xLA== X-Gm-Message-State: APjAAAWZyhUNC38Bv6wv+nhtK81qflq3X/zaxUNi4v40LnDSIsX46WAA tTTdcPiIGUSpvGKv8uLxkffQrSQ8Z6v1QEEu0e+8Yw== X-Google-Smtp-Source: APXvYqyICt9rsVwVg4Ooa0/vkucGnjbg8ET8IRydP2Mj9NlUQrpyIjCPvKiaaZkPt0F4U+I2RDuZKXxv4R/1LA1oPX5rqw== X-Received: by 2002:a63:1402:: with SMTP id u2mr20963214pgl.224.1576534022230; Mon, 16 Dec 2019 14:07:02 -0800 (PST) Date: Mon, 16 Dec 2019 14:05:54 -0800 In-Reply-To: <20191216220555.245089-1-brendanhiggins@google.com> Message-Id: <20191216220555.245089-6-brendanhiggins@google.com> Mime-Version: 1.0 References: <20191216220555.245089-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.24.1.735.g03f4e72817-goog Subject: [RFC v1 5/6] kunit: test: add test plan to KUnit TAP format From: Brendan Higgins To: jdike@addtoit.com, richard@nod.at, anton.ivanov@cambridgegreys.com, arnd@arndb.de, keescook@chromium.org, skhan@linuxfoundation.org, alan.maguire@oracle.com, yzaikin@google.com, davidgow@google.com, akpm@linux-foundation.org, rppt@linux.ibm.com Cc: gregkh@linuxfoundation.org, sboyd@kernel.org, logang@deltatee.com, mcgrof@kernel.org, knut.omang@oracle.com, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, Brendan Higgins Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org 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 Reviewed-by: Stephen Boyd --- lib/kunit/executor.c | 15 ++++ lib/kunit/test.c | 11 --- tools/testing/kunit/kunit_parser.py | 74 ++++++++++++++++--- .../test_is_test_passed-all_passed.log | 1 + .../test_data/test_is_test_passed-crash.log | 1 + .../test_data/test_is_test_passed-failure.log | 1 + 6 files changed, 80 insertions(+), 23 deletions(-) diff --git a/lib/kunit/executor.c b/lib/kunit/executor.c index ca880224c0bab..d5f1d07f2f817 100644 --- a/lib/kunit/executor.c +++ b/lib/kunit/executor.c @@ -17,11 +17,26 @@ extern struct kunit_suite *__kunit_suites_start[]; extern struct kunit_suite *__kunit_suites_end[]; +static void kunit_print_tap_header(void) +{ + size_t num_of_suites; + + for (num_of_suites = 0; + num_of_suites + __kunit_suites_start < __kunit_suites_end; + ++num_of_suites) + ; + + pr_info("TAP version 14\n"); + pr_info("1..%zd\n", num_of_suites); +} + static bool kunit_run_all_tests(void) { struct kunit_suite **suite; bool has_test_failed = false; + kunit_print_tap_header(); + for (suite = __kunit_suites_start; suite < __kunit_suites_end; ++suite) { diff --git a/lib/kunit/test.c b/lib/kunit/test.c index c83c0fa59cbd7..f8f235f9e466a 100644 --- a/lib/kunit/test.c +++ b/lib/kunit/test.c @@ -16,16 +16,6 @@ static void kunit_set_failure(struct kunit *test) WRITE_ONCE(test->success, false); } -static void kunit_print_tap_version(void) -{ - static bool kunit_has_printed_tap_version; - - if (!kunit_has_printed_tap_version) { - pr_info("TAP version 14\n"); - kunit_has_printed_tap_version = true; - } -} - static size_t kunit_test_cases_len(struct kunit_case *test_cases) { struct kunit_case *test_case; @@ -39,7 +29,6 @@ static size_t kunit_test_cases_len(struct kunit_case *test_cases) static void kunit_print_subtest_start(struct kunit_suite *suite) { - kunit_print_tap_version(); pr_info("\t# Subtest: %s\n", suite->name); pr_info("\t1..%zd\n", kunit_test_cases_len(suite->test_cases)); } diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py index 4ffbae0f67325..78b3bdd03b1e4 100644 --- a/tools/testing/kunit/kunit_parser.py +++ b/tools/testing/kunit/kunit_parser.py @@ -45,6 +45,7 @@ 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]+$') kunit_end_re = re.compile('List of all partitions:') @@ -106,7 +107,7 @@ OkNotOkResult = namedtuple('OkNotOkResult', ['is_ok','description', 'text']) OK_NOT_OK_SUBTEST = re.compile(r'^\t(ok|not ok) [0-9]+ - (.*)$') -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, @@ -196,7 +197,9 @@ 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 @@ -209,6 +212,12 @@ 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 @@ -221,7 +230,7 @@ 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) @@ -240,7 +249,7 @@ def parse_test_suite(lines: List[str]) -> TestSuite: test_suite.cases.append(test_case) test_case = parse_test_case(lines, expected_test_case_num > 0) 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: @@ -260,6 +269,17 @@ 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) @@ -268,19 +288,34 @@ def parse_test_result(lines: List[str]) -> TestResult: return TestResult(TestStatus.NO_TESTS, [], lines) consume_non_diagnositic(lines) if not parse_tap_header(lines): - return None + 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))) for test_suite in test_result.suites: if test_suite.status == TestStatus.SUCCESS: print_suite_divider(green('[PASSED] ') + test_suite.name) @@ -302,6 +337,21 @@ 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 62ebc0288355c..bc0dc8fe35b76 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 0b249870c8be4..4d97f6708c4a5 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 9e89d32d5667a..7a416497e3bec 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