[Rcpp-devel] testthat + sourceCpp

[Tim Keitt]

Figured it out.

My snippet below does _not_ solve the problem of include paths. The key is
to symlink ./inst/include to ./include. After that it works if I call
"devtools::tests()". It fails however with "devtools::check(args =
c('--as-cran'))".

THK

http://www.keittlab.org/

On Wed, Jan 25, 2017 at 5:52 PM, JJ Allaire <jj.allaire at gmail.com> wrote:

> Not 100% sure about this but I think the workaround for using sourceCpp
> within tests is to define R_TESTS="" (that's what we do in Rcpp and
> RcppParallel). Here's the code I'm thinking of: https://github.com/
> RcppCore/Rcpp/blob/master/tests/doRUnit.R#L42-L43
>
> Note that we use RUnit in both of those packages so there could indeed be
> some issue with testthat that we're not aware of.
>
>
> On Wed, Jan 25, 2017 at 2:33 PM, Tim Keitt <tkeitt at utexas.edu> wrote:
>
>> I have a package that compiles C++ at runtime using sourceCpp and I would
>> like to use testthat with the package. Its clear that testthat sets up a
>> non-standard environment and so it is difficult to combine it with
>> sourceCpp. The first hurdle was include paths not working.
>>
>> This bit of code in the test_ file seemed to fix that:
>>
>> ccflags = Sys.getenv("CCFLAGS")
>> ipath = file.path(getwd(), "inst", "include")
>> ccflags = if (nzchar(ccflags)) paste(ccflags, paste0("-I", ipath)) else
>> paste0("-I", ipath)
>> Sys.setenv(CCFLAGS = ccflags)
>>
>> However, once compiled, the object does not load correctly as I cannot
>> call the compiled function. Does anyone have a workaround? (I have searched
>> and not found anything terribly useful.)
>>
>> THK
>>
>> http://www.keittlab.org/
>>
>> _______________________________________________
>> Rcpp-devel mailing list
>> Rcpp-devel at lists.r-forge.r-project.org
>> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
>>
>
>
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