Github user fangshil commented on a diff in the pull request: https://github.com/apache/spark/pull/21276#discussion_r187540452 --- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala --- @@ -2715,6 +2715,66 @@ private[spark] object Utils extends Logging { HashCodes.fromBytes(secretBytes).toString() } + /** + * A safer version than scala obj's getClass.getSimpleName and Utils.getFormattedClassName + * which may throw Malformed class name error. + * This method mimicks scalatest's getSimpleNameOfAnObjectsClass. + */ + def getSimpleName(fullyQualifiedName: String): String = { + stripDollars(parseSimpleName(fullyQualifiedName)) + } + + /** + * Remove the packages from full qualified class name + */ + private def parseSimpleName(fullyQualifiedName: String): String = { --- End diff -- this method was copied from scalatest. I think it makes sense to update in this cleaner way
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