tests/testthat/test_parallelStart.R

In parallelMap: Unified Interface to Parallelization Back-Ends

context("parallelStart")

# FIXME: I do NOT know why this blocks in R CMD check
if (interactive()) {

  test_that("parallelStart finds regged level", {
    oldopt = getOption("warn")
    options(warn = 2L)
    parallelRegisterLevels(levels = "bla")
    parallelStartSocket(level = "custom.bla", cpus = 2L)
    parallelStop()
    # remove regged level again for clean state
    options(parallelMap.registered.levels = list())
    options(warn = oldopt)
  })

}