| /* |
| * 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.jboss.netty.buffer.ChannelBuffer; |
| import org.jboss.netty.buffer.ChannelBuffers; |
| import org.junit.Test; |
| import org.onosproject.core.netty.ChannelAdapter; |
| import org.onosproject.openflow.ChannelHandlerContextAdapter; |
| import org.projectfloodlight.openflow.protocol.OFHello; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.instanceOf; |
| import static org.hamcrest.Matchers.notNullValue; |
| import static org.hamcrest.Matchers.nullValue; |
| |
| /** |
| * Tests for the OpenFlow message decoder. |
| */ |
| public class OFMessageDecoderTest { |
| |
| static class ConnectedChannel extends ChannelAdapter { |
| @Override |
| public boolean isConnected() { |
| return true; |
| } |
| } |
| |
| private ChannelBuffer getHelloMessageBuffer() { |
| // OFHello, OF version 1, xid of 0, total of 8 bytes |
| byte[] messageData = {0x1, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0}; |
| ChannelBuffer channelBuffer = ChannelBuffers.dynamicBuffer(); |
| channelBuffer.writeBytes(messageData); |
| return channelBuffer; |
| } |
| |
| /** |
| * 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 = new OFMessageDecoder(); |
| ChannelBuffer channelBuffer = getHelloMessageBuffer(); |
| Object message = |
| decoder.decode(new ChannelHandlerContextAdapter(), |
| new ChannelAdapter(), |
| channelBuffer); |
| assertThat(message, nullValue()); |
| } |
| |
| /** |
| * Tests decoding a message. |
| * |
| * @throws Exception when an exception is thrown from the decoder |
| */ |
| @Test |
| public void testDecode() throws Exception { |
| OFMessageDecoder decoder = new OFMessageDecoder(); |
| ChannelBuffer channelBuffer = getHelloMessageBuffer(); |
| Object message = |
| decoder.decode(new ChannelHandlerContextAdapter(), |
| new ConnectedChannel(), |
| channelBuffer); |
| assertThat(message, notNullValue()); |
| assertThat(message, instanceOf(OFHello.class)); |
| } |
| |
| } |