Nothing
# NOTE: See `test-spark.R`
# # Spark objects are too large, so we create them on the fly
# # Source: https://github.com/rstudio/sparklyr
# spark_install_winutils <- function(version) {
# hadoop_version <- if (version < "2.0.0") "2.6" else "2.7"
# spark_dir <- paste("spark-", version, "-bin-hadoop", hadoop_version, sep = "")
# winutils_dir <- file.path(Sys.getenv("LOCALAPPDATA"), "spark", spark_dir, "tmp", "hadoop", "bin", fsep = "\\")
#
# if (!dir.exists(winutils_dir)) {
# message("Installing winutils...")
#
# dir.create(winutils_dir, recursive = TRUE)
# winutils_path <- file.path(winutils_dir, "winutils.exe", fsep = "\\")
#
# download.file(
# "https://github.com/steveloughran/winutils/raw/master/hadoop-2.6.0/bin/winutils.exe",
# winutils_path,
# mode = "wb"
# )
#
# message("Installed winutils in ", winutils_path)
# }
# }
#
# testthat_spark_connection <- function() {
# if (!exists(".testthat_latest_spark", envir = .GlobalEnv))
# assign(".testthat_latest_spark", "2.3.0", envir = .GlobalEnv)
# livy_version <- Sys.getenv("LIVY_VERSION")
# if (nchar(livy_version) > 0)
# testthat_livy_connection()
# else
# testthat_shell_connection()
# }
#
# testthat_livy_connection <- function() {
# version <- Sys.getenv("SPARK_VERSION", unset = testthat_latest_spark())
# livy_version <- Sys.getenv("LIVY_VERSION", "0.5.0")
#
# if (exists(".testthat_spark_connection", envir = .GlobalEnv)) {
# spark_disconnect_all()
# remove(".testthat_spark_connection", envir = .GlobalEnv)
# Sys.sleep(3)
# }
#
# spark_installed <- spark_installed_versions()
# if (nrow(spark_installed[spark_installed$spark == version, ]) == 0) {
# spark_install(version)
# }
#
# if (nrow(livy_installed_versions()) == 0) {
# cat("Installing Livy.")
# livy_install(livy_version, spark_version = version, )
# cat("Livy installed.")
# }
#
# expect_gt(nrow(livy_installed_versions()), 0)
#
# # generate connection if none yet exists
# connected <- FALSE
# if (exists(".testthat_livy_connection", envir = .GlobalEnv)) {
# sc <- get(".testthat_livy_connection", envir = .GlobalEnv)
# connected <- TRUE
# }
#
# if (Sys.getenv("INSTALL_WINUTILS") == "true") {
# spark_install_winutils(version)
# }
#
# if (!connected) {
# livy_service_start(
# version = livy_version,
# spark_version = version,
# stdout = FALSE,
# stderr = FALSE)
#
# sc <- spark_connect(
# master = "http://localhost:8998",
# method = "livy",
# config = list(
# sparklyr.verbose = TRUE,
# sparklyr.connect.timeout = 120,
# sparklyr.log.invoke = "cat"
# ),
# sources = TRUE
# )
#
# assign(".testthat_livy_connection", sc, envir = .GlobalEnv)
# }
#
# get(".testthat_livy_connection", envir = .GlobalEnv)
# }
#
#
# testthat_shell_connection <- function() {
# version <- Sys.getenv("SPARK_VERSION", unset = testthat_latest_spark())
#
# if (exists(".testthat_livy_connection", envir = .GlobalEnv)) {
# spark_disconnect_all()
# Sys.sleep(3)
# livy_service_stop()
# remove(".testthat_livy_connection", envir = .GlobalEnv)
# }
#
# spark_installed <- spark_installed_versions()
# if (nrow(spark_installed[spark_installed$spark == version, ]) == 0) {
# options(sparkinstall.verbose = TRUE)
# spark_install(version)
# }
#
# stopifnot(nrow(spark_installed_versions()) > 0)
#
# # generate connection if none yet exists
# connected <- FALSE
# if (exists(".testthat_spark_connection", envir = .GlobalEnv)) {
# sc <- get(".testthat_spark_connection", envir = .GlobalEnv)
# connected <- connection_is_open(sc)
# }
#
# if (Sys.getenv("INSTALL_WINUTILS") == "true") {
# spark_install_winutils(version)
# }
#
# if (!connected) {
# config <- spark_config()
#
# options(sparklyr.sanitize.column.names.verbose = TRUE)
# options(sparklyr.verbose = TRUE)
# options(sparklyr.na.omit.verbose = TRUE)
# options(sparklyr.na.action.verbose = TRUE)
#
# config[["sparklyr.shell.driver-memory"]] <- "3G"
# config[["sparklyr.apply.env.foo"]] <- "env-test"
#
# setwd(tempdir())
# sc <- spark_connect(master = "local", version = version, config = config)
# assign(".testthat_spark_connection", sc, envir = .GlobalEnv)
# }
#
# # retrieve spark connection
# get(".testthat_spark_connection", envir = .GlobalEnv)
# }
#
# testthat_latest_spark <- function() get(".testthat_latest_spark", envir = .GlobalEnv)
#
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.