Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/3670#discussion_r23723912
--- Diff: core/src/test/scala/org/apache/spark/SparkContextSuite.scala ---
@@ -72,4 +74,87 @@ class SparkContextSuite extends FunSuite with
LocalSparkContext {
val byteArray2 = converter.convert(bytesWritable)
assert(byteArray2.length === 0)
}
+
+ test("addFile works") {
+ val file = new File("somefile")
+ val absolutePath = file.getAbsolutePath
+ try {
+ val pw = new PrintWriter(file)
+ pw.print("somewords")
+ pw.close()
+ val length = file.length()
+ sc = new SparkContext(new
SparkConf().setAppName("test").setMaster("local"))
+ sc.addFile(file.getAbsolutePath)
+ sc.parallelize(Array(1), 1).map(x => {
+ val gotten = new File(SparkFiles.get(file.getName))
--- End diff --
I guess using `local` doesn't incur serialization? Because this would fail
to serialize `file` in a real cluster.
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