The term “Five-Year Plan” is a bitter joke, referring to the announcements by the Soviet Union about how they were going to reach some specified level of production of heavy industry, which would notoriously be followed by some combination of … Continue reading → …

Expanded mutator library, improved reporting, and parallel execution for mutation testing in R.

Continue reading: muttest 0.2.0: More Mutators, Better Reporting, and Parallel …

After being a member of Stack Overflow for more than 15 years, I have finally decided to leave it behind. I’ve complained about it in once in 2017 and again in 2018. The similar frustration still occurred earlier this month, which became the last straw to me. I’m not going to tolerate this site anymore.

For the record, one gatekeeper who closed the question asked:

What’s the point of reopening this question? …

Back in 2013, I wrote about testing R packages when I first released testit. Thirteen years later, I still believe that unit testing should be nothing more than “tell me if something unexpected happened.” Recently I converted a large testthat test suite to testit, and I thought I’d share a practical guide for anyone considering the same move.

Migration guide

The file structure

…