Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/16330#discussion_r105565957
--- Diff: R/pkg/inst/tests/testthat/test_sparkSQL.R ---
@@ -2897,6 +2898,27 @@ test_that("Collect on DataFrame when NAs exists at
the top of a timestamp column
expect_equal(class(ldf3$col3), c("POSIXct", "POSIXt"))
})
+compare_list <- function(list1, list2) {
+ # get testthat to show the diff by first making the 2 lists equal in
length
+ expect_equal(length(list1), length(list2))
+ l <- max(length(list1), length(list2))
+ length(list1) <- l
+ length(list2) <- l
+ expect_equal(sort(list1, na.last = TRUE), sort(list2, na.last = TRUE))
+}
+
+# This should always be the last test in this test file.
+test_that("No extra files are created in SPARK_HOME by starting session
and making calls", {
+ # Check that it is not creating any extra file.
+ # Does not check the tempdir which would be cleaned up after.
+ filesAfter <- list.files(path = file.path(Sys.getenv("SPARK_HOME"),
"R"), all.files = TRUE)
+
+ expect_true(length(sparkHomeFileBefore) > 0)
+ compare_list(sparkHomeFileBefore, filesBefore)
--- End diff --
updated/
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