Ngone51 commented on a change in pull request #27004: [SPARK-30348][CORE] Fix
flaky test failure on "MasterSuite.SPARK-27510: Master should avoid ..."
URL: https://github.com/apache/spark/pull/27004#discussion_r361354710
##########
File path: core/src/test/scala/org/apache/spark/deploy/master/MasterSuite.scala
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@@ -97,13 +97,40 @@ class MockWorker(master: RpcEndpointRef, conf: SparkConf =
new SparkConf) extend
}
}
-class MockExecutorLaunchFailWorker(master: RpcEndpointRef, conf: SparkConf =
new SparkConf)
- extends MockWorker(master, conf) {
+// This class is designed to handle the lifecycle of only one application.
+class MockExecutorLaunchFailWorker(master: Master, conf: SparkConf = new
SparkConf)
+ extends MockWorker(master.self, conf) with Eventually {
+
+ val appRegistered = new CountDownLatch(1)
+ val launchExecutorReceived = new CountDownLatch(1)
+ val appIdsToLaunchExecutor = new mutable.HashSet[String]
var failedCnt = 0
+
override def receive: PartialFunction[Any, Unit] = {
+ case LaunchDriver(driverId, desc, resources_) =>
+ drivers += driverId
+ driverResources(driverId) = resources_.map(r => (r._1,
r._2.addresses.toSet))
Review comment:
Looks like `drivers`/`driverResources` is useless here.
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