On 08/02/2015 8:22 AM, Måns Magnusson wrote: > Hi! > > Im currently developing an R package to automatically give students > feedback on programming assignments in R. I use the testthat package as an > engine for the unit testing and do a wrapper to make the automatic marking > easy for the students. > > One function (called mark_my_file() ) will mark the students lab file using > testthat tests and a new (simple) reporter. The problem is that I need to > do the marking of the lab with an empty global environment (due to the > testthat package). > > So my first thought was to: > 1) store the global environement in the temporary directory as an > .Rdata-file > 2) clean the global environment > 3) run the tests > 4) clean the global environment (from the student lab file) > 5) reload the old global environment > > But the problem is that it is not possible to publish packages on CRAN that > modifies the global environment. > > Is there anyone that have any solutions/ideas to this problem? > > The package can be found here: > https://github.com/MansMeg/markmyassignment >
I don't think that testthat requires you to use the global environment. Could you give some example code to show where you think you need it? Someone could probably come up with a different formulation. Duncan Murdoch ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel