[debbugs-tracker] bug#26709: closed (Tests failing.)

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Your message dated Sat, 29 Apr 2017 20:59:24 -0700
with message-id <address@hidden>
and subject line Re: bug#26709: Tests failing.
has caused the debbugs.gnu.org bug report #26709,
regarding Tests failing.
to be marked as done.

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26709: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=26709
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> --- Begin Message ---
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> Subject: 
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> Tests failing.
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> Date: 
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> Sat, 29 Apr 2017 11:37:27 +0300
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> I've tried to improve tests coverage, so I've built and ran tests using following commands:
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> ./configure CFLAGS="-g -fprofile-arcs -ftest-coverage"
> make -j8
> sudo make check -j8
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> After that I got FAIL on tests/mv/sticky-to-xpart and tests/rm/fail-2eperm.
>
> Best regards,
> Grigory Reznikov.
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>
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> --- End Message ---
> --- Begin Message ---
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> Subject: 
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> Re: bug#26709: Tests failing.
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> Date: 
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> Sat, 29 Apr 2017 20:59:24 -0700
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> User-agent: 
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> Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0
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> On 29/04/17 01:37, Григорий Резников wrote:
> > 
> > I've tried to improve tests coverage, so I've built and ran tests using 
> > following commands:
> > 
> > ./configure CFLAGS="-g -fprofile-arcs -ftest-coverage"
> > make -j8
> > sudo make check -j8
> > 
> > After that I got FAIL on tests/mv/sticky-to-xpart and tests/rm/fail-2eperm.
>
> Note there was a recently exposed race due to the extra steps to write the 
> coverage files.
> http://git.sv.gnu.org/gitweb/?p=coreutils.git;a=commitdiff;h=v8.26-36-gc95c0a0
> But your case is a permissions issue as the two root tests in question operate
> as the "nobody" user by default, and thus can't rewrite the coverage files.
>
> Note I can reproduce with `make coverage` (which uses these settings):
> https://github.com/coreutils/gnulib/blob/94386a13/top/maint.mk#L1483-L1508
>
> To avoid the issue you can use the NON_ROOT_USERNAME setting as described at:
> https://github.com/coreutils/coreutils/blob/7ea15a57/README#L116-L136
>
> So a recipe to generate coverage is:
>
>   $ make -j8 coverage
>     Overall coverage rate:
>       lines......: 81.4% (43883 of 53881 lines)
>       functions..: 89.5% (2335 of 2608 functions)
>   $ sudo make -j8 build-coverage NON_ROOT_USERNAME=$USER SUBDIRS=.
>   $ make gen-coverage
>     Overall coverage rate:
>       lines......: 82.5% (44476 of 53881 lines)
>       functions..: 90.9% (2370 of 2608 functions)
>
> You can view the html report with:
>   xdg-open doc/coverage/index.html
>
> I've updated the HACKING instructions as above and pushed.
>
> cheers,
> Pádraig.
>
>
> --- End Message ---