Re: [Rd] test suites for packages

From: Uwe Ligges <ligges_at_statistik.tu-dortmund.de>
Date: Thu, 17 May 2012 18:08:47 +0200

On 17.05.2012 17:56, Matthew Dowle wrote:
> Uwe Ligges<ligges<at> statistik.tu-dortmund.de> writes:
>>
>> On 17.05.2012 16:52, Brian G. Peterson wrote:
>>> On Thu, 2012-05-17 at 16:32 +0200, Uwe Ligges wrote:
>>>> Yes: R CMD check does the trick. See Writing R Extension and read
>>>> about a package's test directory. I prefer frameworks that do not
>>>> obfuscate failing test results on the CRAN check farm (as most other
>>>> frameworks I have seen).
>>>
>>> Uwe: I don't think that's completely fair. RUnit and testthat tests
>>> can be configured to be called from the R package tests directory, so
>>> that they are run during R CMD check.
>>>
>>> They don't *need* to be configured that way, so perhaps that's what
>>> you're talking about.
>>
>> I am talking about the problem that relevant output of test failures
>> that may help to identify the problem is frequently not shown in the
>> output of R CMD check when such frameworks are used - that is a major
>> nuisance for CRAN automatisms.
>
> Not sure, but could it be that in some cases the output of test failures is
> there, but chopped off since CRAN displays the 13 line tail? At least that's
> what I've experienced, and reported, and asked to be increased in the past.
> Often the first error causes a cascade, so it's the head you need to see, not
> the tail. If I've got that right, how about a much larger limit than 13, say
> 1000. Or the first 50 and last 50 lines of output.

R always reports the whole diffs of the tests.

Uwe

>
> Matthew
>
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