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[SPARK-16251][SPARK-20200][Core][Test]Flaky test: org.apache.spark.rdd.LocalCheckpointSuite.missing checkpoint block fails with informative message #18314

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[SPARK-16251][SPARK-20200][Core][Test]Flaky test: org.apache.spark.rdd.LocalCheckpointSuite.missing checkpoint block fails with informative message #18314

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7515a5b
fix flaky test case.
jiangxb1987 Jun 15, 2017
4c792b9
use isEmpty instead of equal to 0
jiangxb1987 Jun 15, 2017
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8 changes: 8 additions & 0 deletions core/src/test/scala/org/apache/spark/rdd/LocalCheckpointSuite.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,10 @@

package org.apache.spark.rdd

import scala.concurrent.duration._

import org.scalatest.concurrent.Eventually.{eventually, interval, timeout}

import org.apache.spark.{LocalSparkContext, SparkContext, SparkException, SparkFunSuite}
import org.apache.spark.storage.{RDDBlockId, StorageLevel}

Expand Down Expand Up @@ -168,6 +172,10 @@ class LocalCheckpointSuite extends SparkFunSuite with LocalSparkContext {
// Collecting the RDD should now fail with an informative exception
val blockId = RDDBlockId(rdd.id, numPartitions - 1)
bmm.removeBlock(blockId)
// Wait until the block has been removed successfully.
eventually(timeout(1 seconds), interval(100 milliseconds)) {
assert(bmm.getBlockStatus(blockId).isEmpty)
}
try {
rdd.collect()
fail("Collect should have failed if local checkpoint block is removed...")
Expand Down