Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/12797#discussion_r61774969
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/streaming/ProcessingTimeExecutorSuite.scala
---
@@ -21,19 +21,41 @@ import java.util.concurrent.{CountDownLatch, TimeUnit}
import org.apache.spark.SparkFunSuite
import org.apache.spark.sql.ProcessingTime
-import org.apache.spark.util.ManualClock
+import org.apache.spark.util.{Clock, ManualClock, SystemClock}
class ProcessingTimeExecutorSuite extends SparkFunSuite {
test("nextBatchTime") {
val processingTimeExecutor =
ProcessingTimeExecutor(ProcessingTime(100))
+ assert(processingTimeExecutor.nextBatchTime(0) === 100)
assert(processingTimeExecutor.nextBatchTime(1) === 100)
assert(processingTimeExecutor.nextBatchTime(99) === 100)
- assert(processingTimeExecutor.nextBatchTime(100) === 100)
+ assert(processingTimeExecutor.nextBatchTime(100) === 200)
assert(processingTimeExecutor.nextBatchTime(101) === 200)
assert(processingTimeExecutor.nextBatchTime(150) === 200)
}
+ private def testNextBatchTimeAgainstClock(clock: Clock) {
+ val IntervalMS = 100
+ val processingTimeExecutor =
ProcessingTimeExecutor(ProcessingTime(IntervalMS), clock)
+
+ val ITERATION = 10
+ var nextBatchTime: Long = 0
+ for (it <- 1 to ITERATION)
+ nextBatchTime = processingTimeExecutor.nextBatchTime(nextBatchTime)
+
+ // nextBatchTime should be 1000
+ assert(nextBatchTime === IntervalMS * ITERATION)
--- End diff --
What is this checking that isn't checked by `test("nextBatchTime")` above?
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