guozhangwang commented on code in PR #12387:
URL: https://github.com/apache/kafka/pull/12387#discussion_r924732715
##########
streams/src/test/java/org/apache/kafka/streams/processor/internals/DefaultStateUpdaterTest.java:
##########
@@ -723,6 +723,106 @@ private void shouldNotPauseTaskInRemovedTasks(final Task
task) throws Exception
verifyPausedTasks();
}
+ @Test
+ public void shouldResumeActiveStatefulTask() throws Exception {
+ final StreamTask task =
createActiveStatefulTaskInStateRestoring(TASK_0_0,
Collections.singletonList(TOPIC_PARTITION_A_0));
+ shouldResumeStatefulTask(task);
+ verify(changelogReader, times(2)).enforceRestoreActive();
+ }
+
+ @Test
+ public void shouldResumeStandbyTask() throws Exception {
+ final StandbyTask task = createStandbyTaskInStateRunning(TASK_0_0,
Collections.singletonList(TOPIC_PARTITION_A_0));
+ shouldResumeStatefulTask(task);
+ verify(changelogReader, times(2)).transitToUpdateStandby();
+ }
+
+ private void shouldResumeStatefulTask(final Task task) throws Exception {
+ stateUpdater.start();
+ stateUpdater.add(task);
+
+ stateUpdater.pause(task.id());
+
+ verifyPausedTasks(task);
+ verifyUpdatingTasks();
+
+ stateUpdater.resume(task.id());
+
+ verifyPausedTasks();
+ verifyUpdatingTasks(task);
+ }
+
+ @Test
+ public void shouldIgnoreResumingNotPausedTasks() throws Exception {
Review Comment:
ack.
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