Re: [Rd] Package Unit Testing

From: Gregor Gorjanc <gregor.gorjanc_at_bfro.uni-lj.si>
Date: Mon 24 Jul 2006 - 23:47:18 GMT

Martin Maechler <maechler <at> stat.math.ethz.ch> writes:

>
> >>>>> "miguel" == miguel manese <jjonphl <at> gmail.com>
> >>>>> on Mon, 3 Jul 2006 09:43:12 +0800 writes:
>
> miguel> Hello, Do we have like an official unit testing
> miguel> framework for packages? Like we do R CMD check, and
> miguel> say the scripts in <pkg>/test are executed?
>
> yes. Just it's "./tests", not './test'.
>
> More specifically, all ./tests/*.R are executed and for those
> foobar.R for which there's a foobar.Rout.save file,
> the output is (R CMD Rdiff)ed agains the result of running foobar.R
>
> All this should be pretty obvious from the manual
> "Writing R Extensions".
> What was it in there that was not clear enough?

I just tried to find relevant information and searched the whole Writing R Extensions manual on word test. I have find information Martin stated above, but failed to find how *.Rout.save should be created. I think that manual should say that. Did I miss something obvious? I am also not able to find Rdiff COMMAND in man page of R under Debian.

Browsing a bit in sources reveals that *.Rout.save is copy of R session (starts with "welcome" text and later one code and output is there). But how does one generate such a file? Additionally, does testing also test the first "welcome" text - different version of R haave a bit different "welcome" text and that should be an error then or ...

Thanks!

Gregor



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