linux-kernel - [PATCH] selftests: lib.mk: print individual test results to console by default

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Date:   Mon, 30 Oct 2017 18:01:18 -0600
From:   Shuah Khan <shuahkh@....samsung.com>
To:     shuah@...nel.org
Cc:     Shuah Khan <shuahkh@....samsung.com>, mpe@...erman.id.au,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] selftests: lib.mk: print individual test results to console by default

Change run_tests to print individual test results to console by default.
Introduce "summary" option to print individual test results to a file
/tmp/test_name and just print the summary to the console.

This change is necessary to support use-cases where test machines get
rebooted once tests are run and the console log should contain the full
results.

In the following example, individual test results with "summary=1" option
are written to /tmp/kcmp_test

make --silent TARGETS=kcmp kselftest

TAP version 13
selftests: kcmp_test
========================================
pid1:  30126 pid2:  30127 FD:  2 FILES:  2 VM:  1 FS:  2 SIGHAND:  2 IO:
0 SYSVSEM:  0 INV: -1
PASS: 0 returned as expected
PASS: 0 returned as expected
FAIL: 0 expected but -1 returned (Invalid argument)
Pass 2 Fail 1 Xfail 0 Xpass 0 Skip 0 Error 0
1..3
Bail out!
Pass 2 Fail 1 Xfail 0 Xpass 0 Skip 0 Error 0
1..3
Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0
1..0
ok 1..1 selftests: kcmp_test [PASS]

make --silent TARGETS=kcmp summary=1 kselftest
TAP version 13
selftests: kcmp_test
========================================
ok 1..1 selftests: kcmp_test [PASS]

Signed-off-by: Shuah Khan <shuahkh@....samsung.com>
---
 tools/testing/selftests/lib.mk | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index f65886af7c0c..5bef05d6ba39 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -31,7 +31,11 @@ define RUN_TESTS
 			echo "selftests: Warning: file $$BASENAME_TEST is not executable, correct this.";\
 			echo "not ok 1..$$test_num selftests: $$BASENAME_TEST [FAIL]"; \
 		else					\
-			cd `dirname $$TEST` > /dev/null; (./$$BASENAME_TEST > /tmp/$$BASENAME_TEST 2>&1 && echo "ok 1..$$test_num selftests: $$BASENAME_TEST [PASS]") || echo "not ok 1..$$test_num selftests:  $$BASENAME_TEST [FAIL]"; cd - > /dev/null;\
+		if [ "X$(summary)" != "X" ]; then		\
+				cd `dirname $$TEST` > /dev/null; (./$$BASENAME_TEST > /tmp/$$BASENAME_TEST 2>&1 && echo "ok 1..$$test_num selftests: $$BASENAME_TEST [PASS]") || echo "not ok 1..$$test_num selftests:  $$BASENAME_TEST [FAIL]"; cd - > /dev/null;\
+			else				\
+				cd `dirname $$TEST` > /dev/null; (./$$BASENAME_TEST && echo "ok 1..$$test_num selftests: $$BASENAME_TEST [PASS]") || echo "not ok 1..$$test_num selftests:  $$BASENAME_TEST [FAIL]"; cd - > /dev/null;\
+			fi;				\
 		fi;					\
 	done;
 endef
-- 
2.11.0