/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file 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
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.network;
import io.netty.channel.embedded.EmbeddedChannel;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import org.apache.spark.network.protocol.Message;
import org.apache.spark.network.protocol.StreamChunkId;
import org.apache.spark.network.protocol.ChunkFetchRequest;
import org.apache.spark.network.protocol.ChunkFetchFailure;
import org.apache.spark.network.protocol.ChunkFetchSuccess;
import org.apache.spark.network.protocol.RpcRequest;
import org.apache.spark.network.protocol.RpcFailure;
import org.apache.spark.network.protocol.RpcResponse;
import org.apache.spark.network.protocol.MessageDecoder;
import org.apache.spark.network.protocol.MessageEncoder;
import org.apache.spark.network.util.NettyUtils;
public class ProtocolSuite {
private void testServerToClient(Message msg) {
EmbeddedChannel serverChannel = new EmbeddedChannel(new MessageEncoder());
serverChannel.writeOutbound(msg);
EmbeddedChannel clientChannel = new EmbeddedChannel(
NettyUtils.createFrameDecoder(), new MessageDecoder());
while (!serverChannel.outboundMessages().isEmpty()) {
clientChannel.writeInbound(serverChannel.readOutbound());
}
assertEquals(1, clientChannel.inboundMessages().size());
assertEquals(msg, clientChannel.readInbound());
}
private void testClientToServer(Message msg) {
EmbeddedChannel clientChannel = new EmbeddedChannel(new MessageEncoder());
clientChannel.writeOutbound(msg);
EmbeddedChannel serverChannel = new EmbeddedChannel(
NettyUtils.createFrameDecoder(), new MessageDecoder());
while (!clientChannel.outboundMessages().isEmpty()) {
serverChannel.writeInbound(clientChannel.readOutbound());
}
assertEquals(1, serverChannel.inboundMessages().size());
assertEquals(msg, serverChannel.readInbound());
}
@Test
public void requests() {
testClientToServer(new ChunkFetchRequest(new StreamChunkId(1, 2)));
testClientToServer(new RpcRequest(12345, new byte[0]));
testClientToServer(new RpcRequest(12345, new byte[100]));
}
@Test
public void responses() {
testServerToClient(new ChunkFetchSuccess(new StreamChunkId(1, 2), new TestManagedBuffer(10)));
testServerToClient(new ChunkFetchSuccess(new StreamChunkId(1, 2), new TestManagedBuffer(0)));
testServerToClient(new ChunkFetchFailure(new StreamChunkId(1, 2), "this is an error"));
testServerToClient(new ChunkFetchFailure(new StreamChunkId(1, 2), ""));
testServerToClient(new RpcResponse(12345, new byte[0]));
testServerToClient(new RpcResponse(12345, new byte[1000]));
testServerToClient(new RpcFailure(0, "this is an error"));
testServerToClient(new RpcFailure(0, ""));
}
}