On 04/27/2018 03:55 PM, Mathieu Desnoyers wrote:
> Within run_tests target, the whole script needs to be executed within
> the same shell and not as separate subshells, so the initial test_num
> variable set to 0 is still present when executing "test_num=`echo
> $$test_num+1 | bc`;".
>
> Demonstration of the issue (make run_tests):
>
> TAP version 13
> (standard_in) 1: syntax error
> selftests: basic_test
> ========================================
> ok 1.. selftests: basic_test [PASS]
> (standard_in) 1: syntax error
> selftests: basic_percpu_ops_test
> ========================================
> ok 1.. selftests: basic_percpu_ops_test [PASS]
> (standard_in) 1: syntax error
> selftests: param_test
> ========================================
> ok 1.. selftests: param_test [PASS]
>
> With fix applied:
>
> TAP version 13
> selftests: basic_test
> ========================================
> ok 1..1 selftests: basic_test [PASS]
> selftests: basic_percpu_ops_test
> ========================================
> ok 1..2 selftests: basic_percpu_ops_test [PASS]
> selftests: param_test
> ========================================
> ok 1..3 selftests: param_test [PASS]
>
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
> Fixes: 1f87c7c15d7 ("selftests: lib.mk: change RUN_TESTS to print messages in TAP13 format")
> CC: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
> CC: linux-kselftest@xxxxxxxxxxxxxxx
> ---
> tools/testing/selftests/lib.mk | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
> index 195e9d4739a9..c1b1a4dc6a96 100644
> --- a/tools/testing/selftests/lib.mk
> +++ b/tools/testing/selftests/lib.mk
> @@ -20,10 +20,10 @@ all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
>
> .ONESHELL:
> define RUN_TESTS
> - @export KSFT_TAP_LEVEL=`echo 1`;
> - @test_num=`echo 0`;
> - @echo "TAP version 13";
> - @for TEST in $(1); do \
> + @export KSFT_TAP_LEVEL=`echo 1`; \
> + test_num=`echo 0`; \
> + echo "TAP version 13"; \
> + for TEST in $(1); do \
> BASENAME_TEST=`basename $$TEST`; \
> test_num=`echo $$test_num+1 | bc`; \
> echo "selftests: $$BASENAME_TEST"; \
>
Great. Applied to linux-kselftest fixes for 4.17-rc4
thanks,
-- Shuah
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