Ray Milkey | 4bf8a58 | 2015-11-04 08:26:19 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.openflow.controller.impl; |
| 17 | |
| 18 | |
| 19 | import org.jboss.netty.buffer.ChannelBuffer; |
| 20 | import org.jboss.netty.buffer.ChannelBuffers; |
| 21 | import org.junit.Test; |
Ray Milkey | d931a9b | 2016-03-02 17:01:30 -0800 | [diff] [blame] | 22 | import org.onosproject.core.netty.ChannelAdapter; |
Ray Milkey | 4bf8a58 | 2015-11-04 08:26:19 -0800 | [diff] [blame] | 23 | import org.onosproject.openflow.ChannelHandlerContextAdapter; |
| 24 | import org.projectfloodlight.openflow.protocol.OFHello; |
| 25 | |
| 26 | import static org.hamcrest.MatcherAssert.assertThat; |
| 27 | import static org.hamcrest.Matchers.instanceOf; |
| 28 | import static org.hamcrest.Matchers.notNullValue; |
| 29 | import static org.hamcrest.Matchers.nullValue; |
| 30 | |
| 31 | /** |
| 32 | * Tests for the OpenFlow message decoder. |
| 33 | */ |
| 34 | public class OFMessageDecoderTest { |
| 35 | |
| 36 | static class ConnectedChannel extends ChannelAdapter { |
| 37 | @Override |
| 38 | public boolean isConnected() { |
| 39 | return true; |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | private ChannelBuffer getHelloMessageBuffer() { |
| 44 | // OFHello, OF version 1, xid of 0, total of 8 bytes |
| 45 | byte[] messageData = {0x1, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0}; |
| 46 | ChannelBuffer channelBuffer = ChannelBuffers.dynamicBuffer(); |
| 47 | channelBuffer.writeBytes(messageData); |
| 48 | return channelBuffer; |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Tests decoding a message on a closed channel. |
| 53 | * |
| 54 | * @throws Exception when an exception is thrown from the decoder |
| 55 | */ |
| 56 | @Test |
| 57 | public void testDecodeNoChannel() throws Exception { |
| 58 | OFMessageDecoder decoder = new OFMessageDecoder(); |
| 59 | ChannelBuffer channelBuffer = getHelloMessageBuffer(); |
| 60 | Object message = |
| 61 | decoder.decode(new ChannelHandlerContextAdapter(), |
| 62 | new ChannelAdapter(), |
| 63 | channelBuffer); |
| 64 | assertThat(message, nullValue()); |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Tests decoding a message. |
| 69 | * |
| 70 | * @throws Exception when an exception is thrown from the decoder |
| 71 | */ |
| 72 | @Test |
| 73 | public void testDecode() throws Exception { |
| 74 | OFMessageDecoder decoder = new OFMessageDecoder(); |
| 75 | ChannelBuffer channelBuffer = getHelloMessageBuffer(); |
| 76 | Object message = |
| 77 | decoder.decode(new ChannelHandlerContextAdapter(), |
| 78 | new ConnectedChannel(), |
| 79 | channelBuffer); |
| 80 | assertThat(message, notNullValue()); |
| 81 | assertThat(message, instanceOf(OFHello.class)); |
| 82 | } |
| 83 | |
| 84 | } |