Winston,
Thanks for the pointer. Hadley made the same suggestion. One thing I was
looking to do though was have something like this automated, so it would be
nice to have a return value instead of just results written to files. That's
one nice thing about the testInstalledPackage function, despite the issue with
the test harness. Any additional pointers are greatly appreciated.
Warm Regards,
Brian Rowe
â¢â¢â¢â¢â¢
Brian Lee Yung Rowe
Founder, Zato Novo
Professor
On Jan 27, 2014, at 12:52 PM, Winston Chang <winstoncha...@gmail.com> wrote:
> On Wed, Jan 22, 2014 at 10:55 AM, Brian Lee Yung Rowe <r...@muxspace.com>
> wrote:
>> Hello,
>>
>> I'm writing a script that automates the testing of reverse dependencies of a
>> package. I found the function testInstalledPackage in the tools package,
>> which seems to do what I want. However, when I use it for a source package
>> that was installed with --install-tests, I've noticed that only the actual
>> test files (e.g. located in inst/tests) are available and run. In other
>> words the test harness script (e.g. in tests) is not copied, so any wiring
>> to run tests isn't available when running testInstalledPackage.
>>
>> I tried loading the required packages (i.e. the installed package to retest
>> plus the testing frameworks RUnit, testthat), but since testInstalledPackage
>> makes an external call to R CMD BATCH, any packages loaded in my current
>> environment have no effect on the tests. The only workaround that I've come
>> up with is to add require statements to the top of each test file, but this
>> is a bit onerous.
>>
>> My question is whether
>> 1) there is a technique to force the test harness script (e.g.
>> tests/run_tests.R, tests/doRUnit.R) to be copied into the installed source
>> package, or
>> 2) there is a way to have testInstalledPackage force the loading of required
>> packages prior to executing test scripts, or
>> 3) has someone already done this?
>
>
> I can answer (3). devtools already has a function that does this:
> library(devtools)
> revdep_check('mypackage')
>
> It's basically a wrapper for the revdep and check_cran functions from
> devtools. In the development version of devtools (on Github) there are some
> changes to improve the output of these functions.
>
> -Winston
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