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Re: Test code coverage

From: Stefan Fuhrmann <stefan.fuhrmann_at_wandisco.com>
Date: Mon, 3 Dec 2012 13:08:27 +0100

On Thu, Nov 29, 2012 at 12:14 AM, Julian Foad <julianfoad_at_btopenworld.com>wrote:

> Hyrum K Wright wrote:
>
> > On Sun, Nov 25, 2012 at 5:17 PM, Stefan Fuhrmann wrote:
> >> I was wondering whether we could have one or two of
> >> our UNIX build bots create a code coverage profile
> >> and make the results available online.
> >>
> >> Here is what I use in my test runner script:
> >>
> >> [[[
> >> env CFLAGS='-fprofile-arcs -ftest-coverage' ./configure
> --disable-shared --enable-maintainer-mode $moreopts
> >>
> >> make -sj 2> /dev/null > /dev/null
> >> make svnserveautocheck PARALLEL=1
> >>
> >> lcov -d . -b . -c -o tests.lcov > lcov.log
> >> genhtml tests.lcov -o html > genhtml.log
> >> ]]]
> >
> >
> > +1 to test coverage stats.
> >
> >
> > We have an ancient patch [...] in tools/dev/gcov.patch. [...]
>
> I attach an updated patch. It uses 'lcov' instead of 'gcov' as Stefan
> suggests, which makes the Makefile target much simpler; and I modeled the
> 'configure' handling on the existing --enable-gprof switch.
>

Looks good.

> The existing --enable-gprof option requires --disable-shared and
> recommends --enable-all-static, and I have just copied that without
> understanding why or whether the same applies to gcov.
>

Given the bindings problem you ran into with an all-static build,
I wonder whether it should rather be the other way around.

I'll probably commit it soon if there are no objections, even though my
> testing has been rather limited, as it seems unlikely to cause problems for
> anyone except those who use it.
>

Since this is a developers only option, it is sufficient if we
know about at least one working configuration.

-- Stefan^2.

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Received on 2012-12-03 13:08:59 CET

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