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context("Creating a custom API")
test_that("We can create a custom API", {
on.exit(try(disposables::dispose_packages(pkgs)))
pkgs <- disposables::make_packages(
utility123456 = {
set_opt <- function(...) {
pars <- list(...)
names(pars) <- paste0("utility123456::", names(pars))
do.call(pkgconfig::set_config_in,
c(pars, list(.in = parent.frame())))
}
get_opt <- function(key) {
real_key <- paste0("utility123456::", key)
pkgconfig::get_config(real_key)
}
},
pkgA = {
setter <- function() { utility123456::set_opt(key4 = "value_A") }
getter <- function() { utility123456::get_opt("key4") }
},
pkgB = {
setter <- function() { utility123456::set_opt(key4 = "value_B") }
getter <- function() { utility123456::get_opt("key4") }
}
)
pkgA::setter()
pkgB::setter()
expect_equal(pkgA::getter(), "value_A")
expect_equal(pkgB::getter(), "value_B")
})
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