Github user olarayej commented on a diff in the pull request:
https://github.com/apache/spark/pull/9613#discussion_r44740561
--- Diff: R/pkg/inst/tests/test_sparkSQL.R ---
@@ -1525,6 +1525,22 @@ test_that("Method coltypes() to get R's data types
of a DataFrame", {
expect_equal(coltypes(x), "map<string,string>")
})
+test_that("Method str()", {
+ # Structure of Iiris
+ iris2 <- iris
+ iris2$col <- TRUE
+ irisDF2 <- createDataFrame(sqlContext, iris2)
+ out <- capture.output(str(irisDF2))
+ expect_equal(length(out), 7)
+
+ # A random dataset with many columns
+ x <- runif(200, 1, 10)
+ df <- data.frame(t(as.matrix(data.frame(x,x,x,x,x,x,x,x,x))))
+ DF <- createDataFrame(sqlContext, df)
+ out <- capture.output(str(DF))
+ expect_equal(length(out), 103)
--- End diff --
Thanks for all the suggestions. I will address them soon :-)
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