Jian Li | e4f1216 | 2016-09-13 00:09:09 +0900 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2016-present 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.lisp.ctl; |
| 17 | |
| 18 | import com.google.common.collect.Lists; |
| 19 | import io.netty.buffer.ByteBuf; |
| 20 | import io.netty.buffer.Unpooled; |
| 21 | import org.junit.Test; |
| 22 | import org.onosproject.lisp.msg.protocols.LispMapNotify; |
| 23 | import org.onosproject.lisp.msg.protocols.LispMapRegister; |
| 24 | import org.onosproject.lisp.msg.protocols.LispMapReply; |
| 25 | import org.onosproject.lisp.msg.protocols.LispMapRequest; |
| 26 | |
| 27 | import java.util.List; |
| 28 | |
| 29 | import static org.hamcrest.MatcherAssert.assertThat; |
| 30 | import static org.hamcrest.Matchers.instanceOf; |
| 31 | import static org.hamcrest.Matchers.is; |
| 32 | |
| 33 | /** |
| 34 | * Tests for LISP message decoder. |
| 35 | */ |
| 36 | public class LispMessageDecoderTest { |
| 37 | |
| 38 | private static final int TYPE_SHIFT_BIT = 4; |
| 39 | private static final byte MAP_REQUEST = 1; |
| 40 | private static final byte MAP_REPLY = 2; |
| 41 | private static final byte MAP_REGISTER = 3; |
| 42 | private static final byte MAP_NOTIFY = 4; |
| 43 | |
| 44 | |
| 45 | private ByteBuf getLispMapRequestBuffer() { |
| 46 | ByteBuf buffer = Unpooled.buffer(); |
| 47 | |
| 48 | // specify message type |
| 49 | buffer.writeByte(MAP_REQUEST << TYPE_SHIFT_BIT); |
| 50 | |
| 51 | // fill up message payload |
| 52 | // second byte denotes the number of RLOCs |
| 53 | byte[] messageData = {0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; |
| 54 | byte[] eidData = {0x0, 0x1, 0x0, 0x0, 0x0, 0x0}; |
| 55 | byte[] rlocData = {0x0, 0x1, 0x0, 0x0, 0x0, 0x0}; |
| 56 | buffer.writeBytes(messageData); |
| 57 | buffer.writeBytes(eidData); |
| 58 | buffer.writeBytes(rlocData); |
| 59 | return buffer; |
| 60 | } |
| 61 | |
| 62 | private ByteBuf getLispMapReplyBuffer() { |
| 63 | ByteBuf buffer = Unpooled.buffer(); |
| 64 | |
| 65 | // specify message type |
| 66 | buffer.writeByte(MAP_REPLY << TYPE_SHIFT_BIT); |
| 67 | |
| 68 | // fill up message payload |
| 69 | byte[] messageData = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; |
| 70 | buffer.writeBytes(messageData); |
| 71 | return buffer; |
| 72 | } |
| 73 | |
| 74 | private ByteBuf getLispMapRegisterBuffer() { |
| 75 | ByteBuf buffer = Unpooled.buffer(); |
| 76 | |
| 77 | // specify message type |
| 78 | buffer.writeByte(MAP_REGISTER << TYPE_SHIFT_BIT); |
| 79 | |
| 80 | // fill up message payload |
| 81 | byte[] messageData = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; |
| 82 | byte[] keyId = {0x0, 0x1}; |
| 83 | |
| 84 | // assume that we have auth data which has 2 bytes size |
| 85 | byte[] authDataLength = {0x0, 0x2}; |
| 86 | byte[] authData = {0x0, 0x0}; |
| 87 | |
| 88 | buffer.writeBytes(messageData); |
| 89 | buffer.writeBytes(keyId); |
| 90 | buffer.writeBytes(authDataLength); |
| 91 | buffer.writeBytes(authData); |
| 92 | return buffer; |
| 93 | } |
| 94 | |
| 95 | private ByteBuf getLispMapNotifyBuffer() { |
| 96 | ByteBuf buffer = Unpooled.buffer(); |
| 97 | |
| 98 | // specify message type |
| 99 | buffer.writeByte(MAP_NOTIFY << TYPE_SHIFT_BIT); |
| 100 | |
| 101 | // fill up message payload |
| 102 | byte[] messageData = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; |
| 103 | byte[] keyId = {0x0, 0x1}; |
| 104 | |
| 105 | // assume that we have auth data which has 2 bytes size |
| 106 | byte[] authDataLength = {0x0, 0x2}; |
| 107 | byte[] authData = {0x0, 0x0}; |
| 108 | |
| 109 | buffer.writeBytes(messageData); |
| 110 | buffer.writeBytes(keyId); |
| 111 | buffer.writeBytes(authDataLength); |
| 112 | buffer.writeBytes(authData); |
| 113 | |
| 114 | return buffer; |
| 115 | } |
| 116 | |
| 117 | @Test(expected = IllegalArgumentException.class) |
| 118 | public void testDecodeNoChannel() throws Exception { |
| 119 | LispMessageDecoder decoder = new LispMessageDecoder(); |
| 120 | |
| 121 | List<Object> list = Lists.newArrayList(); |
| 122 | decoder.decode(new ChannelHandlerContextAdapter(), Unpooled.buffer(), list); |
| 123 | } |
| 124 | |
| 125 | @Test |
| 126 | public void testDecode() throws Exception { |
| 127 | LispMessageDecoder decoder = new LispMessageDecoder(); |
| 128 | ByteBuf requestBuff = getLispMapRequestBuffer(); |
| 129 | ByteBuf replyBuff = getLispMapReplyBuffer(); |
| 130 | ByteBuf registerBuff = getLispMapRegisterBuffer(); |
| 131 | ByteBuf notifyBuff = getLispMapNotifyBuffer(); |
| 132 | |
| 133 | List<Object> list = Lists.newArrayList(); |
| 134 | decoder.decode(new ChannelHandlerContextAdapter(), requestBuff, list); |
| 135 | decoder.decode(new ChannelHandlerContextAdapter(), replyBuff, list); |
| 136 | decoder.decode(new ChannelHandlerContextAdapter(), registerBuff, list); |
| 137 | decoder.decode(new ChannelHandlerContextAdapter(), notifyBuff, list); |
| 138 | |
| 139 | assertThat(list.size(), is(4)); |
| 140 | assertThat(list.get(0), is(instanceOf(LispMapRequest.class))); |
| 141 | assertThat(list.get(1), is(instanceOf(LispMapReply.class))); |
| 142 | assertThat(list.get(2), is(instanceOf(LispMapRegister.class))); |
| 143 | assertThat(list.get(3), is(instanceOf(LispMapNotify.class))); |
| 144 | } |
| 145 | } |