Github user NicoK commented on a diff in the pull request: https://github.com/apache/flink/pull/4533#discussion_r153456919 --- Diff: flink-runtime/src/test/java/org/apache/flink/runtime/io/network/netty/PartitionRequestClientHandlerTest.java --- @@ -122,21 +136,33 @@ public void testReceiveEmptyBuffer() throws Exception { */ @Test public void testReceiveBuffer() throws Exception { - final Buffer buffer = TestBufferFactory.createBuffer(); - final RemoteInputChannel inputChannel = mock(RemoteInputChannel.class); - when(inputChannel.getInputChannelId()).thenReturn(new InputChannelID()); - when(inputChannel.requestBuffer()).thenReturn(buffer); - - final int backlog = 2; - final BufferResponse bufferResponse = createBufferResponse( - TestBufferFactory.createBuffer(), 0, inputChannel.getInputChannelId(), backlog); - - final CreditBasedClientHandler client = new CreditBasedClientHandler(); - client.addInputChannel(inputChannel); - - client.channelRead(mock(ChannelHandlerContext.class), bufferResponse); - - verify(inputChannel, times(1)).onBuffer(buffer, 0, backlog); + final NetworkBufferPool networkBufferPool = new NetworkBufferPool(10, 32, MemoryType.HEAP); + final SingleInputGate inputGate = createSingleInputGate(); + final RemoteInputChannel inputChannel = spy(createRemoteInputChannel(inputGate)); + inputGate.setInputChannel(inputChannel.getPartitionId().getPartitionId(), inputChannel); + try { + final BufferPool bufferPool = networkBufferPool.createBufferPool(8, 8); + inputGate.setBufferPool(bufferPool); + inputGate.assignExclusiveSegments(networkBufferPool, 2); + + final int backlog = 2; + final BufferResponse bufferResponse = createBufferResponse( + inputChannel.requestBuffer(), 0, inputChannel.getInputChannelId(), backlog); + + final CreditBasedClientHandler handler = new CreditBasedClientHandler(); + handler.addInputChannel(inputChannel); + + handler.channelRead(mock(ChannelHandlerContext.class), bufferResponse); + + verify(inputChannel, times(1)).onBuffer(any(Buffer.class), anyInt(), anyInt()); + verify(inputChannel, times(1)).onSenderBacklog(backlog); + } finally { + // Release all the buffer resources + inputChannel.releaseAllResources(); --- End diff -- call `inputGate.releaseAllResources();` instead
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