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Message-Id: <20200611224028.3275174-6-keescook@chromium.org>
Date: Thu, 11 Jun 2020 15:40:26 -0700
From: Kees Cook <keescook@...omium.org>
To: Shuah Khan <shuah@...nel.org>
Cc: Kees Cook <keescook@...omium.org>,
Andy Lutomirski <luto@...capital.net>,
Will Drewry <wad@...omium.org>,
linux-kselftest@...r.kernel.org,
Christian Brauner <christian@...uner.io>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-kernel@...r.kernel.org
Subject: [PATCH 5/7] selftests/harness: Switch to TAP output
Using the kselftest_harness.h would result in non-TAP test reporting,
which didn't make much sense given that all the requirements for using
the low-level API were met. Switch to using ksft_*() helpers while
retaining as much of a human-readability as possible.
Cc: Shuah Khan <shuah@...nel.org>
Cc: Andy Lutomirski <luto@...capital.net>
Cc: Will Drewry <wad@...omium.org>
Cc: linux-kselftest@...r.kernel.org
Signed-off-by: Kees Cook <keescook@...omium.org>
---
tools/testing/selftests/kselftest.h | 5 +-
tools/testing/selftests/kselftest_harness.h | 52 ++++++++++++---------
2 files changed, 33 insertions(+), 24 deletions(-)
diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index 5716cbb9eecc..3f0d236ca2e4 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -1,7 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
- * kselftest.h: kselftest framework return codes to include from
- * selftests.
+ * kselftest.h: low-level kselftest framework to include from
+ * selftest programs. When possible, please use
+ * kselftest_harness.h instead.
*
* Copyright (c) 2014 Shuah Khan <shuahkh@....samsung.com>
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index c9f03ef93338..f8f7e47c739a 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -50,7 +50,9 @@
#ifndef __KSELFTEST_HARNESS_H
#define __KSELFTEST_HARNESS_H
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
#include <asm/types.h>
#include <errno.h>
#include <stdbool.h>
@@ -62,6 +64,8 @@
#include <sys/wait.h>
#include <unistd.h>
+#include "kselftest.h"
+
#define TEST_TIMEOUT_DEFAULT 30
/* Utilities exposed to the test definitions */
@@ -104,7 +108,7 @@
/* Unconditional logger for internal use. */
#define __TH_LOG(fmt, ...) \
- fprintf(TH_LOG_STREAM, "%s:%d:%s:" fmt "\n", \
+ fprintf(TH_LOG_STREAM, "# %s:%d:%s:" fmt "\n", \
__FILE__, __LINE__, _metadata->name, ##__VA_ARGS__)
/**
@@ -119,7 +123,7 @@
*/
#define XFAIL(statement, fmt, ...) do { \
if (TH_LOG_ENABLED) { \
- fprintf(TH_LOG_STREAM, "[ XFAIL! ] " fmt "\n", \
+ fprintf(TH_LOG_STREAM, "# XFAIL " fmt "\n", \
##__VA_ARGS__); \
} \
/* TODO: find a way to pass xfail to test runner process. */ \
@@ -813,12 +817,12 @@ static void __timeout_handler(int sig, siginfo_t *info, void *ucontext)
/* Sanity check handler execution environment. */
if (!t) {
fprintf(TH_LOG_STREAM,
- "no active test in SIGALRM handler!?\n");
+ "# no active test in SIGALRM handler!?\n");
abort();
}
if (sig != SIGALRM || sig != info->si_signo) {
fprintf(TH_LOG_STREAM,
- "%s: SIGALRM handler caught signal %d!?\n",
+ "# %s: SIGALRM handler caught signal %d!?\n",
t->name, sig != SIGALRM ? sig : info->si_signo);
abort();
}
@@ -839,7 +843,7 @@ void __wait_for_test(struct __test_metadata *t)
if (sigaction(SIGALRM, &action, &saved_action)) {
t->passed = 0;
fprintf(TH_LOG_STREAM,
- "%s: unable to install SIGALRM handler\n",
+ "# %s: unable to install SIGALRM handler\n",
t->name);
return;
}
@@ -851,7 +855,7 @@ void __wait_for_test(struct __test_metadata *t)
if (sigaction(SIGALRM, &saved_action, NULL)) {
t->passed = 0;
fprintf(TH_LOG_STREAM,
- "%s: unable to uninstall SIGALRM handler\n",
+ "# %s: unable to uninstall SIGALRM handler\n",
t->name);
return;
}
@@ -860,18 +864,17 @@ void __wait_for_test(struct __test_metadata *t)
if (t->timed_out) {
t->passed = 0;
fprintf(TH_LOG_STREAM,
- "%s: Test terminated by timeout\n", t->name);
+ "# %s: Test terminated by timeout\n", t->name);
} else if (WIFEXITED(status)) {
t->passed = t->termsig == -1 ? !WEXITSTATUS(status) : 0;
if (t->termsig != -1) {
fprintf(TH_LOG_STREAM,
- "%s: Test exited normally "
- "instead of by signal (code: %d)\n",
+ "# %s: Test exited normally instead of by signal (code: %d)\n",
t->name,
WEXITSTATUS(status));
} else if (!t->passed) {
fprintf(TH_LOG_STREAM,
- "%s: Test failed at step #%d\n",
+ "# %s: Test failed at step #%d\n",
t->name,
WEXITSTATUS(status));
}
@@ -879,20 +882,19 @@ void __wait_for_test(struct __test_metadata *t)
t->passed = 0;
if (WTERMSIG(status) == SIGABRT) {
fprintf(TH_LOG_STREAM,
- "%s: Test terminated by assertion\n",
+ "# %s: Test terminated by assertion\n",
t->name);
} else if (WTERMSIG(status) == t->termsig) {
t->passed = 1;
} else {
fprintf(TH_LOG_STREAM,
- "%s: Test terminated unexpectedly "
- "by signal %d\n",
+ "# %s: Test terminated unexpectedly by signal %d\n",
t->name,
WTERMSIG(status));
}
} else {
fprintf(TH_LOG_STREAM,
- "%s: Test ended in some other way [%u]\n",
+ "# %s: Test ended in some other way [%u]\n",
t->name,
status);
}
@@ -908,11 +910,11 @@ void __run_test(struct __fixture_metadata *f,
t->step = 0;
t->no_print = 0;
- printf("[ RUN ] %s%s%s.%s\n",
+ ksft_print_msg(" RUN %s%s%s.%s ...\n",
f->name, variant->name[0] ? "." : "", variant->name, t->name);
t->pid = fork();
if (t->pid < 0) {
- printf("ERROR SPAWNING TEST CHILD\n");
+ ksft_print_msg("ERROR SPAWNING TEST CHILD\n");
t->passed = 0;
} else if (t->pid == 0) {
t->fn(t, variant);
@@ -921,7 +923,9 @@ void __run_test(struct __fixture_metadata *f,
} else {
__wait_for_test(t);
}
- printf("[ %4s ] %s%s%s.%s\n", (t->passed ? "OK" : "FAIL"),
+ ksft_print_msg(" %4s %s%s%s.%s\n", t->passed ? "OK" : "FAIL",
+ f->name, variant->name[0] ? "." : "", variant->name, t->name);
+ ksft_test_result(t->passed, "%s%s%s.%s\n",
f->name, variant->name[0] ? "." : "", variant->name, t->name);
}
@@ -945,8 +949,9 @@ static int test_harness_run(int __attribute__((unused)) argc,
}
}
- /* TODO(wad) add optional arguments similar to gtest. */
- printf("[==========] Running %u tests from %u test cases.\n",
+ ksft_print_header();
+ ksft_set_plan(test_count);
+ ksft_print_msg("Starting %u tests from %u test cases.\n",
test_count, case_count);
for (f = __fixture_list; f; f = f->next) {
for (v = f->variant ?: &no_variant; v; v = v->next) {
@@ -960,9 +965,12 @@ static int test_harness_run(int __attribute__((unused)) argc,
}
}
}
- printf("[==========] %u / %u tests passed.\n", pass_count, count);
- printf("[ %s ]\n", (ret ? "FAILED" : "PASSED"));
- return ret;
+ ksft_print_msg("%s: %u / %u tests passed.\n", ret ? "FAILED" : "PASSED",
+ pass_count, count);
+ ksft_exit(ret == 0);
+
+ /* unreachable */
+ return KSFT_FAIL;
}
static void __attribute__((constructor)) __constructor_order_first(void)
--
2.25.1
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