Github user shivaram commented on a diff in the pull request:
https://github.com/apache/spark/pull/15010#discussion_r77944380
--- Diff: R/pkg/inst/tests/testthat/test_sparkSQL.R ---
@@ -243,7 +243,15 @@ test_that("read csv as DataFrame", {
expect_equal(count(withoutna2), 3)
expect_equal(count(where(withoutna2, withoutna2$make == "Dummy")), 0)
+ # writing csv file
+ csvPath2 <- tempfile(pattern = "csvtest2", fileext = ".csv")
+ write.df(df2, path = csvPath2, "csv", header = "true")
+ df3 <- read.df(csvPath2, "csv", header = "true")
--- End diff --
We could do this - but I was thinking we could also check if R's `read.csv`
is able to read back the file correctly with headers ?
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