Github user yanboliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/17274#discussion_r107164545
--- Diff: R/pkg/inst/tests/testthat/test_context.R ---
@@ -177,6 +177,12 @@ test_that("add and get file to be downloaded with
Spark job on every node", {
spark.addFile(path)
download_path <- spark.getSparkFiles(filename)
expect_equal(readLines(download_path), words)
+
+ # Test spark.getSparkFiles works well on executors.
+ seq <- seq(from = 1, to = 10, length.out = 5)
+ f <- function(seq) { spark.getSparkFiles(filename) }
+ spark.lapply(seq, f)
--- End diff --
I added check that filename getting from ```spark.getSparkFiles``` should
be consistent with the original filename. We can't check the path, since the
path get from driver and executors may different.
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