Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/9143#discussion_r43972887
--- Diff:
streaming/src/test/scala/org/apache/spark/streaming/util/WriteAheadLogSuite.scala
---
@@ -102,6 +100,180 @@ class WriteAheadLogSuite extends SparkFunSuite with
BeforeAndAfter {
}
}
+ test("WriteAheadLogUtils - wrap WriteAheadLog in BatchedWriteAheadLog
when batching is enabled") {
+ def getBatchedSparkConf: SparkConf =
+ new
SparkConf().set("spark.streaming.driver.writeAheadLog.allowBatching", "true")
+
+ val emptyConf = getBatchedSparkConf
+ assertDriverLogClass[FileBasedWriteAheadLog](emptyConf, isBatched =
true)
+ assertReceiverLogClass[FileBasedWriteAheadLog](emptyConf)
+
+ // Verify setting driver WAL class
+ val conf1 =
getBatchedSparkConf.set("spark.streaming.driver.writeAheadLog.class",
+ classOf[MockWriteAheadLog0].getName())
+ assertDriverLogClass[MockWriteAheadLog0](conf1, isBatched = true)
+ assertReceiverLogClass[FileBasedWriteAheadLog](conf1)
+
+ // Verify receivers are not wrapped
+ val receiverWALConf =
getBatchedSparkConf.set("spark.streaming.receiver.writeAheadLog.class",
+ classOf[MockWriteAheadLog0].getName())
+ assertDriverLogClass[FileBasedWriteAheadLog](receiverWALConf,
isBatched = true)
+ assertReceiverLogClass[MockWriteAheadLog0](receiverWALConf)
+ }
+}
+
+/** Common tests for WriteAheadLogs that we would like to test with
different configurations. */
+abstract class CommonWriteAheadLogTests(
+ allowBatching: Boolean,
+ closeFileAfterWrite: Boolean,
+ testTag: String = "")
+ extends SparkFunSuite with BeforeAndAfter {
+
+ import WriteAheadLogSuite._
+
+ val hadoopConf = new Configuration()
--- End diff --
Make all of these protected or private according to requirements.
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