bad1 <- system.file("bad1", package = "goodpractice") test_that("extra check", { simple_truefalse_not_tf <- make_check( description = "TRUE and FALSE is used, not T and F", gp = "avoid 'T' and 'F', use 'TRUE' and 'FALSE' instead.", check = function(state) { length(tools::checkTnF(dir = state$path)) == 0 } ) res <- gp(bad1, checks = "simple_tf", extra_checks = list(simple_tf = simple_truefalse_not_tf)) expect_equal(checks(res), "simple_tf") expect_false(results(res)$result) }) test_that("extra prep and check pair", { url_prep <- function(path, quiet) { desc::description$new(path) } url_chk <- make_check( description = "URL field in DESCRIPTION", tags = character(), preps = "desc", gp = "have a URL field in DESCRIPTION", check = function(state) state$desc$has_fields("URL") ) res <- gp(bad1, checks = c("no_description_depends", "url"), extra_preps = list(desc = make_prep("desc", url_prep)), extra_checks = list(url = url_chk)) expect_equal(checks(res), c("no_description_depends", "url")) expect_equal(results(res)$result, rep(FALSE, 2)) })