Nothing
# skip_on_cran()
hb <- function(x = NULL) if (is.null(x)) base_url else paste0(base_url, x)
# check various httpbin servers
urls <- c(
"https://hb.opencpu.org",
"https://nghttp2.org/httpbin",
"https://httpbin.org",
"http://httpbin.org"
)
h <- curl::new_handle(timeout = 10, failonerror = FALSE)
out <- list()
for (i in seq_along(urls)) {
tryCatch({
out[[i]] <- curl::curl_fetch_memory(urls[i], handle = h)
}, error = function(e)
message(urls[i], " is down ", e$message)
)
}
codes <- vapply(out, "[[", 1, "status_code")
if (!any(codes == 200)) stop("all httpbin servers down")
base_url <- urls[codes == 200][1]
cat(paste0("using base url for tests: ", base_url), sep = "\n")
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