context("List data descendants") testthat::test_that("list_data_descendants() works", { vcr::use_cassette("list_data_descendants", { res <- list_data_descendants("knb-lter-bnz.501.17", as = "xml") }) expect_true(all(class(res) %in% c("xml_document", "xml_node"))) expect_true("dataDescendant" %in% xml2::xml_name(xml2::xml_children(res))) children_found <- xml2::xml_name( xml2::xml_children(xml2::xml_children(res)[1])) children_expected <- c("packageId", "title", "url") expect_true(all(children_found %in% children_expected)) })