skip_connection("livy-proxy")
skip_unless_livy()
skip_on_arrow_devel()
num_open_fds <- function(port) {
n <- system2(
"bash",
args = c("-c", paste0("'lsof -t -i:", as.integer(port), " | wc -l'")),
stdout = TRUE
)
as.integer(n)
}
test_that("Livy connection works with HTTP proxy", {
sc <- testthat_spark_connection()
proxy_port <- 9999
np <- num_open_fds(proxy_port)
if(np > 0) {
handle <- local_tcp_proxy(proxy_port = proxy_port, dest_port = 8998)
expect_equal(np, 1)
config <- livy_config(proxy = httr::use_proxy("localhost", proxy_port))
version <- testthat_spark_env_version()
sc <- spark_connect(
"http://localhost",
method = "livy",
config = config,
version = version
)
expect_gte(num_open_fds(proxy_port), 2)
expect_equivalent(sdf_len(sc, 10) %>% collect(), dplyr::tibble(id = seq(10)))
spark_disconnect(sc)
}
})
test_clear_cache()
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