[Rcpp-devel] testthat + sourceCpp
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/
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