zhijiangW commented on a change in pull request #12664:
URL: https://github.com/apache/flink/pull/12664#discussion_r440597301
##########
File path:
flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/tasks/SubtaskCheckpointCoordinatorTest.java
##########
@@ -218,6 +230,67 @@ public void testNotifyCheckpointAbortedBeforeAsyncPhase()
throws Exception {
assertEquals(0,
subtaskCheckpointCoordinator.getAsyncCheckpointRunnableSize());
}
+ @Test
+ public void
testDownstreamReceiveCancelCheckpointMarkerOnUpstreamAbortedInSyncPhase()
throws Exception {
+ final OneInputStreamTaskTestHarness<String, String> testHarness
=
+ new OneInputStreamTaskTestHarness<>(
+ OneInputStreamTask::new,
+ 1, 1,
+ BasicTypeInfo.STRING_TYPE_INFO,
+ BasicTypeInfo.STRING_TYPE_INFO);
+
+ testHarness.setupOutputForSingletonOperatorChain();
+ StreamConfig streamConfig = testHarness.getStreamConfig();
+ streamConfig.setStreamOperator(new MapOperator());
+
+ testHarness.invoke();
+ testHarness.waitForTaskRunning();
+
+ TestTaskStateManager stateManager = new TestTaskStateManager();
+ MockEnvironment mockEnvironment =
MockEnvironment.builder().setTaskStateManager(stateManager).build();
+ SubtaskCheckpointCoordinatorImpl subtaskCheckpointCoordinator =
(SubtaskCheckpointCoordinatorImpl) new MockSubtaskCheckpointCoordinatorBuilder()
+ .setEnvironment(mockEnvironment)
+ .setUnalignedCheckpointEnabled(true)
+ .build();
+
+ final TestPooledBufferProvider bufferProvider = new
TestPooledBufferProvider(Integer.MAX_VALUE, 4096);
+ ArrayList<Object> recordOrEvents = new ArrayList<>();
+ StreamElementSerializer<String> stringStreamElementSerializer =
new StreamElementSerializer<>(StringSerializer.INSTANCE);
+ RecordOrEventCollectingResultPartitionWriter<StreamElement>
resultPartitionWriter = new
RecordOrEventCollectingResultPartitionWriter<>(recordOrEvents, bufferProvider,
stringStreamElementSerializer);
+
mockEnvironment.addOutputs(Collections.singletonList(resultPartitionWriter));
+
+ OneInputStreamTask<String, String> task = testHarness.getTask();
+ final OperatorChain<String, OneInputStreamOperator<String,
String>> operatorChain = new OperatorChain<>(task,
StreamTask.createRecordWriterDelegate(streamConfig, mockEnvironment));
+ long checkpointId = 42L;
+ // notify checkpoint aborted before execution.
+
subtaskCheckpointCoordinator.notifyCheckpointAborted(checkpointId,
operatorChain, () -> true);
+
subtaskCheckpointCoordinator.getChannelStateWriter().start(checkpointId,
CheckpointOptions.forCheckpointWithDefaultLocation());
+ subtaskCheckpointCoordinator.checkpointState(
+ new CheckpointMetaData(checkpointId,
System.currentTimeMillis()),
+ CheckpointOptions.forCheckpointWithDefaultLocation(),
+ new CheckpointMetrics(),
+ operatorChain,
+ () -> true);
+
+ assertEquals(1, recordOrEvents.size());
+ Object recordOrEvent = recordOrEvents.get(0);
+ // ensure CancelCheckpointMarker is broadcast downstream.
+ assertTrue(recordOrEvent instanceof CancelCheckpointMarker);
+ assertEquals(checkpointId, ((CancelCheckpointMarker)
recordOrEvent).getCheckpointId());
+ }
Review comment:
We should make sure the internal task thread inside
`StreamTaskTestHarness` exit at last to avoid remaining thread after test
finishes?
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