tillrohrmann commented on a change in pull request #8242: [FLINK-6227][network] Introduce the DataConsumptionException for downstream task failure URL: https://github.com/apache/flink/pull/8242#discussion_r280481421
########## File path: flink-runtime/src/test/java/org/apache/flink/runtime/io/network/partition/consumer/LocalInputChannelTest.java ########## @@ -389,25 +401,80 @@ public void testGetNextAfterPartitionReleased() throws Exception { try { channel.getNextBuffer(); fail("Did not throw expected CancelTaskException"); - } catch (CancelTaskException ignored) { + } catch (DataConsumptionException ignored) { } channel.releaseAllResources(); assertFalse(channel.getNextBuffer().isPresent()); } + /** + * Tests the {@link PartitionNotFoundException} is thrown during requesting partition and + * wrapped into {@link DataConsumptionException}. + */ + @Test + public void testDataConsumptionExceptionDuringPartitionRequest() throws Exception { + Tuple2<Integer, Integer> backoff = new Tuple2<>(0, 0); + + ResultPartitionManager partitionManager = new ResultPartitionManager(); + + ResultPartitionID partitionId = new ResultPartitionID(); + + LocalInputChannel ch = createLocalInputChannel( + InputChannelTestUtils.createSingleInputGate(1), partitionId, partitionManager, backoff); + + try { + ch.requestSubpartition(0); + fail("Did not throw expected DataConsumptionException"); + } catch (IOException ex) { + assertTrue(ExceptionUtils.findThrowable(ex, PartitionNotFoundException.class).isPresent()); + verifyDataConsumptionException(partitionId, ex); + } + } + + /** + * Tests the {@link DataConsumptionException} is wrapped when {@link ResultSubpartitionView#getNextBuffer()} + * throws an exception. + */ + @Test + public void testDataConsumptionExceptionDuringGetNextBuffer() throws Exception { + Tuple2<Integer, Integer> backoff = new Tuple2<>(0, 0); + + ResultSubpartitionView view = mock(ResultSubpartitionView.class); + when(view.getNextBuffer()).thenThrow(new IOException("Expected test exception")); + + ResultPartitionManager partitionManager = mock(ResultPartitionManager.class); + when(partitionManager + .createSubpartitionView(any(ResultPartitionID.class), anyInt(), any(BufferAvailabilityListener.class))) + .thenReturn(view); Review comment: Same here. Is it possible to do it without mocking? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services