Re: [Rd] Package Unit Testing

From: Torsten Hothorn <Torsten.Hothorn_at_rzmail.uni-erlangen.de>
Date: Tue 25 Jul 2006 - 08:21:01 GMT

On Mon, 24 Jul 2006, Gregor Gorjanc wrote:

> 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?

either R CMD BATCH or simply run R CMD check <pkg> once and copy <pkg>.Rcheck/tests/*.Rout into <pkg>/tests/*Rout.save

> 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 ...

R CMD check takes care of that.

Best,

Torsten

>
> Thanks!
>
> Gregor
>
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>



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