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r-lib / testthat

An R 📦 to make testing 😀
https://testthat.r-lib.org
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Installation on R < 4.0 fails on `evaluate` now requiring R >= 4.0 #1969

Open lachlansimpson opened 2 months ago

lachlansimpson commented 2 months ago

Seen in zendesk ticket 106807. Mentioned here: https://github.com/r-lib/evaluate/issues/173#issuecomment-2204831910

Solved by installation of older version using devtools

install.package('devtools')
require('devtools')
install_version("evaluate", version = "0.23", repos = "http://cran.us.r-project.org")
install.packages('testthat')

Ideally testthat installation candidate will install the version of evaluate required per the version of R being run, or testthat have a requirement of R>=4.0 as well.

hadley commented 2 months ago

That version of evaluate hasn't been released yet, so I'm surprised it's causing problems.

hadley commented 2 months ago

Oh it is in the released version; ooops.

hadley commented 2 months ago

Having read through that support log, I'm pretty confident the right fix is to ensuring we're requiring 4.0.0 for testthat, which I believe will happen naturally as part of our release process.

hadley commented 2 months ago

Given that it seems like 3.6 is going to be around for a while, we want to at least reserve the possibility of continuing test some packages on 3.6. That means we should formally declare 3.6 support in testthat and add it to our testing matrix.