context("https") test_that("https is exported, not http", { bib <- system.file("bib/Kisung_Rdpack_21.bib", package = "rbibutils") bib_Rdpack_21 <- readBib(bib) # could extract the url field also with: bib_Rdpack_21[["example", "url"]] expect_true(grepl("https://arxiv.org/abs/1310.8110", bib_Rdpack_21["example"]$url)) })