Re: [PATCH v2 1/4] kselftest: add TAP13 conformant versions of ksft_* functions

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On 06/13/2017 01:05 PM, Alice Ferrazzi wrote:
> 
> 
> On Wed, Jun 14, 2017 at 3:52 AM, Shuah Khan <shuah@xxxxxxxxxx <mailto:shuah@xxxxxxxxxx>> wrote:
> 
>     Hi Paul,
> 
>     On 06/13/2017 11:54 AM, Paul Elder wrote:
>     > On 06/12/2017 03:56 PM, Greg Kroah-Hartman wrote:
>     >> From: Paul Elder <paul.elder@xxxxxxxx <mailto:paul.elder@xxxxxxxx>>
>     >>
>     >> Add TAP13 conformat output functions to kselftest.h.
>     >>
>     >> Also add exit functions that output TAP13 exiting text, as well as
>     >> functions to keep track of testing progress.
>     >>
>     >> Signed-off-by: Paul Elder <paul.elder@xxxxxxxx <mailto:paul.elder@xxxxxxxx>>
>     >> Signed-off-by: Alice Ferrazzi <alice.ferrazzi@xxxxxxxxx <mailto:alice.ferrazzi@xxxxxxxxx>>
>     >> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx <mailto:gregkh@xxxxxxxxxxxxxxxxxxx>>
>     >> ---
>     >> v2: Just use the standard function names, no _tap suffix - Alice
>     >>
>     >>  tools/testing/selftests/kselftest.h | 52 ++++++++++++++++++++++++++++++++++---
>     >>  1 file changed, 48 insertions(+), 4 deletions(-)
>     >>
>     >> diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
>     >> index ef1c80d67ac7..1d874a50d957 100644
>     >> --- a/tools/testing/selftests/kselftest.h
>     >> +++ b/tools/testing/selftests/kselftest.h
>     >> @@ -31,38 +31,82 @@ struct ksft_count {
>     >>
>     >>  static struct ksft_count ksft_cnt;
>     >>
>     >> +static inline int ksft_test_num(void)
>     >> +{
>     >> +    return ksft_cnt.ksft_pass + ksft_cnt.ksft_fail +
>     >> +            ksft_cnt.ksft_xfail + ksft_cnt.ksft_xpass +
>     >> +            ksft_cnt.ksft_xskip;
>     >> +}
>     >> +
>     >>  static inline void ksft_inc_pass_cnt(void) { ksft_cnt.ksft_pass++; }
>     >>  static inline void ksft_inc_fail_cnt(void) { ksft_cnt.ksft_fail++; }
>     >>  static inline void ksft_inc_xfail_cnt(void) { ksft_cnt.ksft_xfail++; }
>     >>  static inline void ksft_inc_xpass_cnt(void) { ksft_cnt.ksft_xpass++; }
>     >>  static inline void ksft_inc_xskip_cnt(void) { ksft_cnt.ksft_xskip++; }
>     >>
>     >> +static inline void ksft_print_header(void)
>     >> +{
>     >> +    printf("TAP version 13\n");
>     >> +}
>     >> +
>     >>  static inline void ksft_print_cnts(void)
>     >>  {
>     >> -    printf("Pass: %d Fail: %d Xfail: %d Xpass: %d, Xskip: %d\n",
>     >> -            ksft_cnt.ksft_pass, ksft_cnt.ksft_fail,
>     >> -            ksft_cnt.ksft_xfail, ksft_cnt.ksft_xpass,
>     >> -            ksft_cnt.ksft_xskip);
>     >> +    printf("1..%d\n", ksft_test_num());
>     >> +}
>     >> +
>     >> +static inline void ksft_test_result_pass(const char *msg)
>     >> +{
>     >> +    ksft_cnt.ksft_pass++;
>     >> +    printf("ok %d %s\n", ksft_test_num(), msg);
>     >> +}
>     >> +
>     >> +static inline void ksft_test_result_fail(const char *msg)
>     >> +{
>     >> +    ksft_cnt.ksft_fail++;
>     >> +    printf("not ok %d %s\n", ksft_test_num(), msg);
>     >> +}
>     >> +
>     >> +static inline void ksft_test_result_skip(const char *msg)
>     >> +{
>     >> +    ksft_cnt.ksft_xskip++;
>     >> +    printf("ok %d # skip %s\n", ksft_test_num(), msg);
>     >>  }
>     >
>     > I just realized; the test count increments within the these three functions
>     > (the ksft_test_result_* functions) should use the actual incrementor function
>     > calls (ksft_inc_*_cnt) instead of directly incrementing them, shouldn't they?
> 
>     I added the increment functions for flexibility. If a test
>     chooses to increment individual pass/fail/xfai/xpass counts
>     and then print summary.
> 
>     >
>     > Although I suppose it's readable enough that it's fine
>     >
>     > As far as I can tell as long as we have these ksft_test_result_* functions
>     > that increment the test count *and* output the test result, the incrementor
>     > functions aren't going to be used a lot, if ever.
>     >
>     > Thoughts?
>     >
>     > Also what's the difference between fail/xfail and pass/xpass?
> 
>     xfail means that the test ix expected to fail but passed
>     xpass means that the test is expected pass, but failed.
> 
> 
> With TAP 13 output there is no xfail or xpass format.
> 
> Is probably like
> ok 1 Correctly failed
> 
> This mean that we can think to remove xfail and xpass ?

Possibly - We can make that call later on whetherto remove or not.

-- Shuah
>  
> 
> 
>     thanks,
>     -- Shuah
>     >
>     > Thank you,
>     >
>     > Paul
>     >
>     >>  static inline int ksft_exit_pass(void)
>     >>  {
>     >> +    ksft_print_cnts();
>     >>      exit(KSFT_PASS);
>     >>  }
>     >> +
>     >>  static inline int ksft_exit_fail(void)
>     >>  {
>     >> +    printf("Bail out!\n");
>     >> +    ksft_print_cnts();
>     >>      exit(KSFT_FAIL);
>     >>  }
>     >> +
>     >> +static inline int ksft_exit_fail_msg(const char *msg)
>     >> +{
>     >> +    printf("Bail out! %s\n", msg);
>     >> +    ksft_print_cnts();
>     >> +    exit(KSFT_FAIL);
>     >> +}
>     >> +
>     >>  static inline int ksft_exit_xfail(void)
>     >>  {
>     >> +    ksft_print_cnts();
>     >>      exit(KSFT_XFAIL);
>     >>  }
>     >> +
>     >>  static inline int ksft_exit_xpass(void)
>     >>  {
>     >> +    ksft_print_cnts();
>     >>      exit(KSFT_XPASS);
>     >>  }
>     >> +
>     >>  static inline int ksft_exit_skip(void)
>     >>  {
>     >> +    ksft_print_cnts();
>     >>      exit(KSFT_SKIP);
>     >>  }
>     >>
>     >>
>     >
>     >
> 
> 
> thanks,
> Alice
> 
> -- 
> アリス フェッラッツィ
> Alice Ferrazzi
> 
> Gentoo Kernel Project Leader
> Mail: Alice Ferrazzi <alice.ferrazzi@xxxxxxxxx <mailto:alice.ferrazzi@xxxxxxxxx>>
> PGP: 2E4E 0856 461C 0585 1336 F496 5621 A6B2 8638 781A

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