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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
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package org.apache.flink.runtime.io.network.netty;
import io.netty.channel.embedded.EmbeddedChannel;
import org.apache.flink.runtime.execution.CancelTaskException;
import org.apache.flink.runtime.io.network.partition.BufferAvailabilityListener;
import org.apache.flink.runtime.io.network.partition.ResultPartitionID;
import org.apache.flink.runtime.io.network.partition.ResultPartitionProvider;
import org.apache.flink.runtime.io.network.partition.ResultSubpartitionView;
import org.apache.flink.runtime.io.network.partition.consumer.InputChannelID;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class PartitionRequestQueueTest {
@Test
public void testProducerFailedException() throws Exception {
PartitionRequestQueue queue = new PartitionRequestQueue();
ResultPartitionProvider partitionProvider = mock(ResultPartitionProvider.class);
ResultPartitionID rpid = new ResultPartitionID();
ResultSubpartitionView view = mock(ResultSubpartitionView.class);
when(view.isReleased()).thenReturn(true);
when(view.getFailureCause()).thenReturn(new RuntimeException("Expected test exception"));
when(partitionProvider.createSubpartitionView(
eq(rpid),
eq(0),
any(BufferAvailabilityListener.class))).thenReturn(view);
EmbeddedChannel ch = new EmbeddedChannel(queue);
SequenceNumberingViewReader seqView = new SequenceNumberingViewReader(new InputChannelID(), queue);
seqView.requestSubpartitionView(partitionProvider, rpid, 0);
// Enqueue the erroneous view
queue.notifyReaderNonEmpty(seqView);
ch.runPendingTasks();
// Read the enqueued msg
Object msg = ch.readOutbound();
assertEquals(msg.getClass(), NettyMessage.ErrorResponse.class);
NettyMessage.ErrorResponse err = (NettyMessage.ErrorResponse) msg;
assertTrue(err.cause instanceof CancelTaskException);
}
}