I’m currently refactoring test files in a package. Beside some automatic refactoring, I am also manually updating lines of code. Here are some tips (or pet peeves, based on how I look at it / how tired I am 😁)

Prequel: please read the R packages book

The new edition of the R Packages book by Hadley Wickham and Jenny Bryan features three chapters on testing, all well worth a read. The &ldquo …