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Added a TaskSetManager unit test. #1024

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Added a TaskSetManager unit test. #1024

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16 changes: 16 additions & 0 deletions core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala
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Expand Up @@ -141,6 +141,22 @@ class TaskSetManagerSuite extends FunSuite with LocalSparkContext with Logging {
assert(sched.finishedManagers.contains(manager))
}

test("skip unsatisfiable locality levels") {
sc = new SparkContext("local", "test")
val sched = new FakeTaskScheduler(sc, ("execA", "host1"), ("execC", "host2"))
val taskSet = FakeTask.createTaskSet(1, Seq(TaskLocation("host1", "execB")))
val clock = new FakeClock
val manager = new TaskSetManager(sched, taskSet, MAX_TASK_FAILURES, clock)

// An executor that is not NODE_LOCAL should be rejected.
assert(manager.resourceOffer("execC", "host2", ANY) === None)

// Because there are no alive PROCESS_LOCAL executors, the base locality level should be
// NODE_LOCAL. So, we should schedule the task on this offered NODE_LOCAL executor before
// any of the locality wait timers expire.
assert(manager.resourceOffer("execA", "host1", ANY).get.index === 0)
}

test("basic delay scheduling") {
sc = new SparkContext("local", "test")
val sched = new FakeTaskScheduler(sc, ("exec1", "host1"), ("exec2", "host2"))
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