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context("Reusable handle")
h <- new_handle()
test_that("Perform", {
expect_equal(curl_fetch_memory(httpbin("get"), handle = h)$status, 200)
expect_equal(curl_fetch_memory(httpbin("cookies"), handle = h)$status, 200)
expect_equal(curl_fetch_memory(httpbin("status/418"), handle = h)$status, 418)
})
test_that("Redirect", {
expect_equal(curl_fetch_memory(httpbin("redirect/6"), handle = h)$status, 200)
expect_equal(curl_fetch_memory(httpbin("relative-redirect/6"), handle = h)$status, 200)
expect_equal(curl_fetch_memory(httpbin("absolute-redirect/6"), handle = h)$status, 200)
})
test_that("Cookies", {
expect_equal(curl_fetch_memory(httpbin("cookies/set?foo=123&bar=456"), handle = h)$status, 200)
expect_equal(jsonlite::fromJSON(rawToChar(curl_fetch_memory(httpbin("cookies"), handle = h)$content))$cookies$bar, "456")
expect_equal(curl_fetch_memory(httpbin("cookies/delete?bar"), handle = h)$status, 200)
if(curl::curl_version()$version == "7.62.0") Sys.sleep(1) #workaround for curl bug #3351
expect_null(jsonlite::fromJSON(rawToChar(curl_fetch_memory(httpbin("cookies"), handle = h)$content))$cookies$bar)
})
test_that("Keep-Alive", {
# Connection to httpbin already set in previous tests. Subsequent requests
# should reuse the connection.
# Capture the verbose curl output to look for the connection reuse message
h <- handle_setopt(h, verbose=TRUE,
debugfunction=function(type, msg) cat(readBin(msg, character())))
req <- capture.output(curl_fetch_memory(httpbin("get"), handle=h))
expect_true(any(grepl("existing connection", req)))
handle_setopt(h, verbose=FALSE)
})
test_that("Opening and closing a connection",{
# Create connection
con <- curl(httpbin("cookies"), handle = h)
# Handle is still usable
expect_equal(curl_fetch_memory(httpbin("get"), handle = h)$status, 200)
# Opening the connection locks the handle
open(con)
# Recent versions of libcurl will raise an error
#if(compareVersion(curl_version()$version, "7.37") > 0){
# expect_error(curl_fetch_memory(httpbin("get", handle = h))
#}
expect_equal(jsonlite::fromJSON(readLines(con))$cookies$foo, "123")
# After closing it is free again
close(con)
expect_equal(curl_fetch_memory(httpbin("get"), handle = h)$status, 200)
# Removing the connection also unlocks the handle
con <- curl(httpbin("cookies"), "rb", handle = h)
# Recent versions of libcurl will raise an error
#if(compareVersion(curl_version()$version, "7.37") > 0){
# expect_error(curl_fetch_memory(httpbin("get", handle = h))
#}
close(con)
rm(con)
expect_equal(curl_fetch_memory(httpbin("get"), handle = h)$status, 200)
})
test_that("Downloading to a file", {
tmp <- tempfile()
expect_error(curl_download(httpbin("status/418"), tmp, handle = h))
curl_download(httpbin("get?test=boeboe"), tmp, handle = h)
expect_equal(jsonlite::fromJSON(tmp)$args$test, "boeboe")
curl_download(httpbin("cookies"), tmp, handle = h)
expect_equal(jsonlite::fromJSON(tmp)$cookies$foo, "123")
})
test_that("handle_setopt validates options", {
h <- new_handle()
expect_identical(class(h), "curl_handle")
expect_error(handle_setopt(h, invalid.option="foo"),
"Unknown option: invalid.option")
expect_error(handle_setopt(h, badopt1="foo", badopt2="bar"),
"Unknown options: badopt1, badopt2")
expect_identical(class(handle_setopt(h, username="foo")),
"curl_handle") ## i.e. that's a valid option, so it succeeds
})
test_that("setting request headers", {
h <- new_handle()
expect_length(curl:::handle_getheaders(h), 0)
handle_setheaders(h, foo = 'bar', baz = 'bak')
expect_equal(curl:::handle_getheaders(h), c("foo: bar", "baz: bak", "Expect: "))
handle_setheaders(h, foo = '123')
expect_equal(curl:::handle_getheaders(h), c("foo: 123", "Expect: "))
handle_setopt(h, httpheader = c("test: blabla", "foobar: 123"))
expect_equal(curl:::handle_getheaders(h), c("test: blabla", "foobar: 123"))
handle_setheaders(h)
expect_equal(curl:::handle_getheaders(h), c("Expect: "))
handle_reset(h)
expect_length(curl:::handle_getheaders(h), 0)
})
test_that("Custom vector options", {
h <- new_handle()
x <- c("foo@gmail.com", "bar@jkhk.nl")
handle_setopt(h, mail_rcpt = x)
expect_equal(curl:::handle_getcustom(h), x)
# This leaks a bit
x <- c(x, "jeroen@test.nl")
handle_setopt(h, quote = c("bla"))
handle_setopt(h, mail_rcpt = x)
expect_equal(curl:::handle_getcustom(h), x)
# Test free'ing
handle_setopt(h, quote = NULL)
handle_setopt(h, mail_rcpt = NULL)
handle_reset(h)
handle_setopt(h, quote = c("bla"))
})
test_that("Custom URL parser", {
h <- new_handle(timeout = 1L)
expect_error(curl_fetch_memory('https://httpbin.org/delay/10', handle = h), 'Timeout was reached: [httpbin.org] ', fixed = TRUE)
h <- new_handle(timeout = 1L)
expect_error(curl_fetch_memory('httpbin.org/delay/10', handle = h), 'Timeout was reached: [httpbin.org] ', fixed = TRUE)
})
test_that("Platform specific features", {
if(.Platform$OS.type == 'windows'){
ssl_version <- curl_version()$ssl_version
if(get_windows_build() < 7600 || grepl("openssl", Sys.getenv('CURL_SSL_BACKEND'), TRUE)){
expect_equal(ssl_version, "OpenSSL/1.1.1a (Schannel)")
} else {
expect_equal(ssl_version, "(OpenSSL/1.1.1a) Schannel")
}
} else if(!is.na(curl_options()['unix_socket_path'])){
# This should simply not error
expect_is(new_handle(UNIX_SOCKET_PATH = ""), "curl_handle")
}
})
rm(h)
test_that("GC works", {
gc()
expect_equal(total_handles(), 0L)
})
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