From patchwork Fri Feb 28 01:20:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 11411353 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 2A8F917E0 for ; Fri, 28 Feb 2020 01:21:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0100D246AE for ; Fri, 28 Feb 2020 01:21:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="kMCnPefE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730668AbgB1BVO (ORCPT ); Thu, 27 Feb 2020 20:21:14 -0500 Received: from mail-yw1-f74.google.com ([209.85.161.74]:34507 "EHLO mail-yw1-f74.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730662AbgB1BVL (ORCPT ); Thu, 27 Feb 2020 20:21:11 -0500 Received: by mail-yw1-f74.google.com with SMTP id o1so2595284ywl.1 for ; Thu, 27 Feb 2020 17:21:08 -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=PLTBxyerPi61VOCjyv+TPa3h4yiHHMfUoC17UPRMggY=; b=kMCnPefEIl8HdfN8MA1lHtN+Ng5kiZzhHT+ke4XvEl9H8Ygf9GJcTal2XIamCTFTbS wFsa0lQR8cTwJIPlOEeT++5OJHQ7xhpiDP966QIjrWA9fntiRg47uHs9Vg6knR4prMj/ qtqXgOGcpCVTs2QoqM+S5WbbFjuTvAn8ucrCErkYLpXLJrQjEjHL28GLm35KoIn8UKGb uNFOItiShsCq1Yx4+1HqpsgZW/AyY7hs7UeuypvLyzzTHLwlvPBCjFX1fVjI2hkTJhSY 3lyFd1U7IRIlnucQ/rDVMJFVy35ra0IGepGEN56ZPTviRTpxIZNtLFQf8oWTttRwHyCM aJag== 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=PLTBxyerPi61VOCjyv+TPa3h4yiHHMfUoC17UPRMggY=; b=K4czt7zMjGc7LuGNW0J1ggwt9fjQCcKQIptmLjGdPbvKA4aCOAHcsNoYxPgrzl1nQ/ Pbd1L6hwFXUH/gafDN/szfxdHPp+R7SCEspIRzkLB/KjJjzYaz17Y9572l6d9iEnJNaA /HDoL/5232yq4XDgasGkYuOdFPoUkytWHG3oos2zZOysnQHVrtSIgyQsYIsmW7pppCco YXgwEKd/IITM69ETz69rQpQLOIvws5MewMBXx3MG4Xg2Cjh/Eo3H1lMhA/ryLLtvGd9O Q0z8h/Lmg0dr3VhhPiNmKtPwDHqBTwuEIAWFxsVCji9PnJd6cp6MFJ4Ip8zCrkYSGXTW myvQ== X-Gm-Message-State: APjAAAUJxskTbGG+OYQd99qklfHbDvPV5JyXZL55YFJskecsx6t5gQJb L6MaAQqNcdEpskaJw7ctRnKNglMsz9blf47vYaYQ1A== X-Google-Smtp-Source: APXvYqyTcd0alDtSswfI7dznn3gjEf5mlQrgZgLLcbRCPc6A3iDO+DtHytetlICWtdtynHPFuTB9cwf5wBQAb8llZeiE3A== X-Received: by 2002:a0d:cad3:: with SMTP id m202mr2353504ywd.264.1582852868267; Thu, 27 Feb 2020 17:21:08 -0800 (PST) Date: Thu, 27 Feb 2020 17:20:34 -0800 In-Reply-To: <20200228012036.15682-1-brendanhiggins@google.com> Message-Id: <20200228012036.15682-6-brendanhiggins@google.com> Mime-Version: 1.0 References: <20200228012036.15682-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.25.1.481.gfbce0eb801-goog Subject: [PATCH v3 5/7] 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, frowand.list@gmail.com Cc: gregkh@linuxfoundation.org, sboyd@kernel.org, logang@deltatee.com, mcgrof@kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-doc@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 | 17 +++++ 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, 82 insertions(+), 23 deletions(-) diff --git a/lib/kunit/executor.c b/lib/kunit/executor.c index b75a46c560847..7fd16feff157e 100644 --- a/lib/kunit/executor.c +++ b/lib/kunit/executor.c @@ -11,11 +11,28 @@ extern struct kunit_suite * const * const __kunit_suites_end[]; #if IS_BUILTIN(CONFIG_KUNIT) +static void kunit_print_tap_header(void) +{ + struct kunit_suite * const * const *suites, * const *subsuite; + int num_of_suites = 0; + + for (suites = __kunit_suites_start; + suites < __kunit_suites_end; + suites++) + for (subsuite = *suites; *subsuite != NULL; subsuite++) + num_of_suites++; + + pr_info("TAP version 14\n"); + pr_info("1..%d\n", num_of_suites); +} + int kunit_run_all_tests(void) { struct kunit_suite * const * const *suites, * const *subsuite; bool has_test_failed = false; + kunit_print_tap_header(); + for (suites = __kunit_suites_start; suites < __kunit_suites_end; suites++) { diff --git a/lib/kunit/test.c b/lib/kunit/test.c index 9242f932896c7..da56b94261b43 100644 --- a/lib/kunit/test.c +++ b/lib/kunit/test.c @@ -18,16 +18,6 @@ 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; @@ -41,7 +31,6 @@ 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