[Rd] R test coverage

[Lluís Revilla]

Hi Jim,

Thanks for the info.
I disregarded covr in my search results as I thought it would only apply to
packages outside base and recommended.
The code is pure R code so it might work, but it reads a file so it might
involve some C code.

Thanks!

Lluís

On Mon, 27 Nov 2023 at 20:11, Jim Hester <james.f.hester using gmail.com> wrote:

> It should be possible to use covr to do this, see this old issue
> (https://github.com/r-lib/covr/issues/59). However interpreting the
> results can prove challenging as naturally covr uses functions
> from the base internally. Unfortunately the base and many of the
> internal and recommended packages have somewhat bespoke installation,
> so it would likely take some additional work on your end to get
> reporting working. I had thought of doing this at one point, but
> wasn't sure there would be any audience for the results, so did not
> pursue it further.
>
> For measuring coverage of the C code in the R runtime alone you could
> use gcov and run the test suite, which depending on your contribution
> may be the most informative route.
>
> (replying for the list, accidentally replied only to Lluís the first time)
>
> On Mon, Nov 27, 2023 at 10:15 AM Lluís Revilla <lluis.revilla using gmail.com>
> wrote:
> >
> > Hi all,
> >
> > I recently proposed a change in R that has led to the addition of new
> code
> > to the R source code.
> >
> > The code added, as far as I know, has no tests and it might affect many
> > packages in CRAN.
> > I was wondering if adding a test would be helpful or it is already
> covered
> > by some other test.
> > Which brought me to the question: what is the coverage of R checks
> > (check-devel)?
> >
> > My searches in the mailing list or other places didn't return anything
> > close to it.
> > But I am curious if someone has already done this and how.
> >
> > Many thanks,
> >
> > Lluís
> >
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