Github user kayousterhout commented on a diff in the pull request:
https://github.com/apache/spark/pull/14079#discussion_r86606779
--- Diff:
core/src/test/scala/org/apache/spark/scheduler/BlacklistTrackerSuite.scala ---
@@ -17,10 +17,299 @@
package org.apache.spark.scheduler
-import org.apache.spark.{SparkConf, SparkFunSuite}
+import org.mockito.Mockito.when
+import org.scalatest.BeforeAndAfterEach
+import org.scalatest.mock.MockitoSugar
+
+import org.apache.spark._
import org.apache.spark.internal.config
+import org.apache.spark.util.ManualClock
+
+class BlacklistTrackerSuite extends SparkFunSuite with BeforeAndAfterEach
with MockitoSugar
+ with LocalSparkContext {
+
+ private val clock = new ManualClock(0)
+
+ private var blacklist: BlacklistTracker = _
+ private var scheduler: TaskSchedulerImpl = _
+ private var conf: SparkConf = _
+
+ override def afterEach(): Unit = {
+ if (blacklist != null) {
+ blacklist = null
+ }
+ if (scheduler != null) {
+ scheduler.stop()
+ scheduler = null
+ }
+ super.afterEach()
+ }
+
+ val allExecutorAndHostIds = (('A' to 'Z').map("host" + _) ++ (1 to
100).map{_.toString}).toSet
+
+ /**
+ * Its easier to write our tests as if we could directly look at the
sets of nodes & executors in
+ * the blacklist. However the api doesn't expose a set (for
thread-safety), so this is a simple
+ * way to test something similar, since we know the universe of values
that might appear in these
+ * sets.
+ */
+ def assertEquivalentToSet(f: String => Boolean, expected: Set[String]):
Unit = {
+ allExecutorAndHostIds.foreach { opt =>
--- End diff --
opt is a little confusing here, since it's not an option? what about id
instead?
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