| /* |
| * Copyright 2015-present Open Networking Laboratory |
| * |
| * Licensed 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.onosproject.openflow.controller.impl; |
| |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onosproject.openflow.ChannelAdapter; |
| import org.onosproject.openflow.ChannelHandlerContextAdapter; |
| import org.projectfloodlight.openflow.protocol.OFHello; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.ByteBufAllocator; |
| import io.netty.channel.Channel; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.instanceOf; |
| import static org.hamcrest.Matchers.is; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Tests for the OpenFlow message decoder. |
| */ |
| public class OFMessageDecoderTest { |
| |
| private ByteBuf buf; |
| |
| private ByteBuf getHelloMessageBuffer() { |
| // OFHello, OF version 1, xid of 0, total of 8 bytes |
| byte[] messageData = {0x1, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0}; |
| buf.writeBytes(messageData); |
| return buf; |
| } |
| |
| @Before |
| public void setUp() { |
| buf = ByteBufAllocator.DEFAULT.buffer(); |
| } |
| |
| @After |
| public void tearDown() { |
| buf.release(); |
| } |
| |
| |
| /** |
| * Tests decoding a message on a closed channel. |
| * |
| * @throws Exception when an exception is thrown from the decoder |
| */ |
| @Test |
| public void testDecodeNoChannel() throws Exception { |
| OFMessageDecoder decoder = OFMessageDecoder.getInstance(); |
| ByteBuf channelBuffer = getHelloMessageBuffer(); |
| List<Object> out = new ArrayList<>(); |
| decoder.decode(new ChannelHandlerContextAdapter(), |
| channelBuffer, |
| out); |
| assertThat(out.size(), is(0)); |
| } |
| |
| /** |
| * Tests decoding a message. |
| * |
| * @throws Exception when an exception is thrown from the decoder |
| */ |
| @Test |
| public void testDecode() throws Exception { |
| OFMessageDecoder decoder = OFMessageDecoder.getInstance(); |
| ByteBuf channelBuffer = getHelloMessageBuffer(); |
| List<Object> out = new ArrayList<>(); |
| decoder.decode(new ActiveChannelHandlerContextAdapter(), |
| channelBuffer, |
| out); |
| assertThat(out.size(), is(1)); |
| assertThat(out.get(0), instanceOf(OFHello.class)); |
| } |
| |
| public class ActiveChannelHandlerContextAdapter |
| extends ChannelHandlerContextAdapter { |
| |
| @Override |
| public Channel channel() { |
| return new ChannelAdapter() { |
| @Override |
| public boolean isActive() { |
| return true; |
| } |
| }; |
| } |
| |
| } |
| |
| } |