Github user shivaram commented on a diff in the pull request:
https://github.com/apache/spark/pull/19657#discussion_r148979924
--- Diff: R/pkg/tests/run-all.R ---
@@ -60,3 +60,22 @@ if (identical(Sys.getenv("NOT_CRAN"), "true")) {
NULL,
"summary")
}
+
+# clean up if Spark was downloaded for the test run
+# get0 not supported before R 3.2.0
+sparkDownloaded <- mget(".sparkDownloaded"[1L],
+ envir = SparkR:::.sparkREnv,
+ inherits = TRUE,
+ ifnotfound = list(FALSE))[[1L]]
+if (sparkDownloaded) {
+ unlink(sparkDownloadedDir, recursive = TRUE, force = TRUE)
+
+ # .cache/spark, or on Windows, LOCALAPPDATA\Apache\Spark\Cache (there
are 3 levels)
+ parentDir <- SparkR:::sparkCachePath()
+ dirs <- list(parentDir, dirname(parentDir), dirname(dirname(parentDir)))
+ lapply(dirs, function(d) {
+ if (length(list.files(d, all.files = TRUE, include.dirs = TRUE, no.. =
TRUE)) == 0) {
--- End diff --
One consequence of this is that if we run `R CMD check --as-cran` we will
do the download twice -- once for the unit tests and once for the vignettes
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