netdev - [RFC 6/7] selftests: kselftest_harness: let ksft_test_result

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Date: Thu, 15 Feb 2024 16:41:21 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: jakub@...udflare.com
Cc: shuah@...nel.org,
	keescook@...omium.org,
	linux-kselftest@...r.kernel.org,
	netdev@...r.kernel.org,
	Jakub Kicinski <kuba@...nel.org>
Subject: [RFC 6/7] selftests: kselftest_harness: let ksft_test_result_code() handle line termination

According to the spec we should always print a # if we add
a diagnostic message. Having the caller pass in the new line
as part of diagnostic message makes handling this a bit
counter-intuitive.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
 tools/testing/selftests/kselftest.h         | 5 +++++
 tools/testing/selftests/kselftest_harness.h | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index 25e29626566e..541bf192e30e 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -287,10 +287,15 @@ void ksft_test_result_code(int exit_code, const char *test_name,
 		break;
 	}
 
+	/* Docs seem to call for double space if directive is absent */
+	if (!directive[0] && msg[0])
+		directive = " #  ";
+
 	va_start(args, msg);
 	printf("%s %u %s%s", tap_code, ksft_test_num(), test_name, directive);
 	errno = saved_errno;
 	vprintf(msg, args);
+	printf("\n");
 	va_end(args);
 }
 
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index beae50fd5ac3..5fca75e180b8 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -1179,7 +1179,7 @@ void __run_test(struct __fixture_metadata *f,
 
 	if (t->exit_code == KSFT_SKIP || t->exit_code == KSFT_XFAIL)
 		ksft_test_result_code(t->exit_code, test_name,
-				      "%s\n", diagnostic);
+				      "%s", diagnostic);
 	else
 		ksft_test_result(__test_passed(t), "%s\n", test_name);
 }
-- 
2.43.0