Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/11030#discussion_r51666865
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/StreamTest.scala ---
@@ -211,37 +264,69 @@ trait StreamTest extends QueryTest with Timeouts {
})
case StopStream =>
- checkState(currentStream != null, "can not stop a stream that
is not running")
- currentStream.stop()
- currentStream = null
+ assert(currentStream != null, "can not stop a stream that is
not running")
+ try failAfter(streamingTimout) {
+ currentStream.stop()
+ assert(!currentStream.microBatchThread.isAlive,
+ s"microbatch thread not stopped")
+ assert(!currentStream.isActive,
+ "query.isActive() is false even after stopping")
+ assert(currentStream.exception.isEmpty,
+ "query.exception() is not empty after clean stop")
+ } catch {
+ case _: InterruptedException =>
+ case _:
org.scalatest.exceptions.TestFailedDueToTimeoutException =>
+ failTest("Timed out while stopping and waiting for
microbatchthread to terminate.")
+ case t: Throwable =>
+ failTest("Error while checking stream failure.", t)
+ } finally {
+ lastStream = currentStream
+ currentStream = null
+ }
--- End diff --
This doesn't need to be in a finally block right?
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