[jira] [Created] (SPARK-31844) DAGSchedulerSuite: For the pattern of failed + assert, extract the general method

["jiaan.geng (Jira)" <ji...@apache.org>]

jiaan.geng created SPARK-31844:
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             Summary: DAGSchedulerSuite: For the pattern of failed + assert, extract the general method
                 Key: SPARK-31844
                 URL: https://issues.apache.org/jira/browse/SPARK-31844
             Project: Spark
          Issue Type: Sub-task
          Components: Spark Core
    Affects Versions: 3.1.0
            Reporter: jiaan.geng


DAGSchedulerSuite exists many test case(e.g. trivial job failure | run shuffle with map stage failure) contains the pattern of failed + assert, such as:

{code:java}
  test("trivial job failure") {
    submit(new MyRDD(sc, 1, Nil), Array(0))
    failed(taskSets(0), "some failure")
    assert(failure.getMessage === "Job aborted due to stage failure: some failure")
    assert(sparkListener.failedStages === Seq(0))
    assertDataStructuresEmpty()
  }
{code}
We should extract the general method like failedAndCheck(taskSet: TaskSet, message: String, predicate)




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