Github user shivaram commented on a diff in the pull request:
https://github.com/apache/spark/pull/12426#discussion_r61354381
--- Diff: R/pkg/inst/tests/testthat/test_context.R ---
@@ -141,3 +141,8 @@ test_that("sparkJars sparkPackages as comma-separated
strings", {
expect_that(processSparkJars(f), not(gives_warning()))
expect_match(processSparkJars(f), f)
})
+
+test_that("sparkLapply should perform simple transforms", {
+ doubled <- spark.lapply(1:10, function(x){2 * x})
+ expect_equal(doubled, as.list(2 * 1:10))
+})
--- End diff --
Would be good to add a test where we capture some environment variables
and/or use a package. Also we should update
https://github.com/apache/spark/blob/master/docs/sparkr.md but we can open
another JIRA for that I guess.
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