Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/5030#discussion_r29555715
--- Diff: core/src/test/scala/org/apache/spark/FileSuite.scala ---
@@ -169,6 +169,27 @@ class FileSuite extends FunSuite with
LocalSparkContext {
assert(output.collect().toList === List(1, 2, 3, 4))
}
+ test("object files compressed") {
+ sc = new SparkContext("local", "test")
+ val normalDir = new File(tempDir, "output_normal").getAbsolutePath
+ val compressedOutputDir = new File(tempDir,
"output_compressed").getAbsolutePath
+ val codec = new DefaultCodec()
+
+ val nums = sc.makeRDD(1 to 4)
+ nums.saveAsObjectFile(normalDir)
+ nums.saveAsObjectFile(compressedOutputDir, classOf[DefaultCodec])
+
+ // Try reading the output back as an object file
+ val normalFile = new File(normalDir, "part-00000")
+ val normalContent = sc.objectFile[Int](normalDir)
+ assert(normalContent.collect().toList === List(1, 2, 3, 4))
+
+ val compressedFile = new File(compressedOutputDir, "part-00000" +
codec.getDefaultExtension)
--- End diff --
Does this really test if the file is compressed though? It shows it's
readable, at least.
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