Github user squito commented on a diff in the pull request: https://github.com/apache/spark/pull/5636#discussion_r37780181 --- Diff: core/src/test/scala/org/apache/spark/scheduler/DAGSchedulerSuite.scala --- @@ -473,6 +473,280 @@ class DAGSchedulerSuite assertDataStructuresEmpty() } + // Helper function to validate state when creating tests for task failures + def checkStageId(stageId: Int, attempt: Int, stageAttempt: TaskSet) { + assert(stageAttempt.stageId === stageId) + assert(stageAttempt.stageAttemptId == attempt) + } + + def makeCompletions(stageAttempt: TaskSet, reduceParts: Int): Seq[(Success.type, MapStatus)] = { + stageAttempt.tasks.zipWithIndex.map { case (task, idx) => + (Success, makeMapStatus("host" + ('A' + idx).toChar, reduceParts)) + }.toSeq + } + + def setupStageAbortTest(sc: SparkContext) { + sc.listenerBus.addListener(new EndListener()) + ended = false + jobResult = null + } + + // Create a new Listener to confirm that the listenerBus sees the JobEnd message + // when we abort the stage. This message will also be consumed by the EventLoggingListener + // so this will propagate up to the user. + var ended = false + var jobResult : JobResult = null + + class EndListener extends SparkListener { + override def onJobEnd(jobEnd: SparkListenerJobEnd): Unit = { + jobResult = jobEnd.jobResult + ended = true + } + } + + // Helper functions to extract commonly used code in Fetch Failure test cases + /** + * Common code to get the next stage attempt, confirm it's the one we expect, and complete it + * succesfullly. + * + * @param stageId - The current stageId + * @param attemptIdx - The current attempt count + * @param numShufflePartitions - The number of partitions in the next stage + */ + def completeNextShuffleMapSuccesfully(stageId: Int, attemptIdx: Int, + numShufflePartitions: Int): Unit = { --- End diff -- nit: multiline format, each arg on its own line ```scala def completeNextShuffleMapSuccessfully( stageId: Int, attemptIdx: Int, numShufflePartitions: Int): Unit = { ```
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