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gerrit.onosproject.org / onos / 6f4899c64c265d42aecc52f2db513d72142903d6 / . / bgp / bgpio / src / test / java / org / onosproject / bgp / BgpNotificationMsgTest.java
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Priyanka B6f4899c2015-10-30 17:12:21 +0530[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 */
16package org.onosproject.bgp;
17
18import static org.hamcrest.MatcherAssert.assertThat;
19import static org.hamcrest.Matchers.instanceOf;
20import static org.hamcrest.core.Is.is;
21
22import org.jboss.netty.buffer.ChannelBuffer;
23import org.jboss.netty.buffer.ChannelBuffers;
24import org.junit.Test;
25import org.onosproject.bgpio.exceptions.BGPParseException;
26import org.onosproject.bgpio.protocol.BGPFactories;
27import org.onosproject.bgpio.protocol.BGPMessage;
28import org.onosproject.bgpio.protocol.BGPMessageReader;
29import org.onosproject.bgpio.protocol.BGPNotificationMsg;
30import org.onosproject.bgpio.types.BGPHeader;
31
32/**
33 * Test for Notification message.
34 */
35public class BgpNotificationMsgTest {
36
37 /**
38 * Notification message with error code, error subcode and data.
39 *
40 * @throws BGPParseException while decoding and encoding notification message
41 */
42 @Test
43 public void bgpNotificationMessageTest1() throws BGPParseException {
44 byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
45 (byte) 0xff, (byte) 0xff,
46 (byte) 0xff, (byte) 0xff,
47 (byte) 0xff, (byte) 0xff,
48 (byte) 0xff, (byte) 0xff,
49 (byte) 0xff, (byte) 0xff,
50 (byte) 0xff, (byte) 0xff,
51 (byte) 0xff, (byte) 0xff, 0x00,
52 0x17, 0x03, 0x02, 0x02,
53 (byte) 0xfe, (byte) 0xb0};
54
55 byte[] testNotificationMsg = {0};
56 ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
57 buffer.writeBytes(notificationMsg);
58
59 BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
60 BGPMessage message = null;
61 BGPHeader bgpHeader = new BGPHeader();
62
63 message = reader.readFrom(buffer, bgpHeader);
64 assertThat(message, instanceOf(BGPNotificationMsg.class));
65
66 ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
67 message.writeTo(buf);
68 testNotificationMsg = buf.array();
69
70 int iReadLen = buf.writerIndex() - 0;
71 testNotificationMsg = new byte[iReadLen];
72 buf.readBytes(testNotificationMsg, 0, iReadLen);
73 assertThat(testNotificationMsg, is(notificationMsg));
74 }
75
76 /**
77 * Notification message without data.
78 *
79 * @throws BGPParseException while decoding and encoding notification message
80 */
81 @Test
82 public void bgpNotificationMessageTest2() throws BGPParseException {
83 byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
84 (byte) 0xff, (byte) 0xff,
85 (byte) 0xff, (byte) 0xff,
86 (byte) 0xff, (byte) 0xff,
87 (byte) 0xff, (byte) 0xff,
88 (byte) 0xff, (byte) 0xff,
89 (byte) 0xff, (byte) 0xff,
90 (byte) 0xff, (byte) 0xff, 0x00,
91 0x15, 0x03, 0x02, 0x00};
92
93 byte[] testNotificationMsg = {0};
94 ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
95 buffer.writeBytes(notificationMsg);
96
97 BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
98 BGPMessage message = null;
99 BGPHeader bgpHeader = new BGPHeader();
100
101 message = reader.readFrom(buffer, bgpHeader);
102 assertThat(message, instanceOf(BGPNotificationMsg.class));
103
104 ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
105 message.writeTo(buf);
106 testNotificationMsg = buf.array();
107
108 int iReadLen = buf.writerIndex() - 0;
109 testNotificationMsg = new byte[iReadLen];
110 buf.readBytes(testNotificationMsg, 0, iReadLen);
111 assertThat(testNotificationMsg, is(notificationMsg));
112 }
113
114 //Negative scenarios
115 /**
116 * Notification message with wrong maker value.
117 *
118 * @throws BGPParseException while decoding and encoding notification message
119 */
120 @Test(expected = BGPParseException.class)
121 public void bgpNotificationMessageTest3() throws BGPParseException {
122 byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
123 (byte) 0xff, (byte) 0xff,
124 (byte) 0xff, (byte) 0xff,
125 (byte) 0xff, (byte) 0xff,
126 (byte) 0xff, (byte) 0xff,
127 0x01, (byte) 0xff,
128 (byte) 0xff, (byte) 0xff,
129 (byte) 0xff, (byte) 0xff, 0x00,
130 0x15, 0x03, 0x02, 0x00};
131
132 byte[] testNotificationMsg = {0};
133 ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
134 buffer.writeBytes(notificationMsg);
135
136 BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
137 BGPMessage message = null;
138 BGPHeader bgpHeader = new BGPHeader();
139
140 message = reader.readFrom(buffer, bgpHeader);
141 assertThat(message, instanceOf(BGPNotificationMsg.class));
142
143 ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
144 message.writeTo(buf);
145 testNotificationMsg = buf.array();
146
147 int iReadLen = buf.writerIndex() - 0;
148 testNotificationMsg = new byte[iReadLen];
149 buf.readBytes(testNotificationMsg, 0, iReadLen);
150 assertThat(testNotificationMsg, is(notificationMsg));
151 }
152
153 /**
154 * Notification message without error subcode.
155 *
156 * @throws BGPParseException while decoding and encoding notification message
157 */
158 @Test(expected = BGPParseException.class)
159 public void bgpNotificationMessageTest4() throws BGPParseException {
160 byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
161 (byte) 0xff, (byte) 0xff,
162 (byte) 0xff, (byte) 0xff,
163 (byte) 0xff, (byte) 0xff,
164 (byte) 0xff, (byte) 0xff,
165 (byte) 0xff, (byte) 0xff,
166 (byte) 0xff, (byte) 0xff,
167 (byte) 0xff, (byte) 0xff, 0x00,
168 0x14, 0x03, 0x02};
169
170 byte[] testNotificationMsg = {0};
171 ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
172 buffer.writeBytes(notificationMsg);
173
174 BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
175 BGPMessage message = null;
176 BGPHeader bgpHeader = new BGPHeader();
177
178 message = reader.readFrom(buffer, bgpHeader);
179 assertThat(message, instanceOf(BGPNotificationMsg.class));
180
181 ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
182 message.writeTo(buf);
183 testNotificationMsg = buf.array();
184
185 int iReadLen = buf.writerIndex() - 0;
186 testNotificationMsg = new byte[iReadLen];
187 buf.readBytes(testNotificationMsg, 0, iReadLen);
188 assertThat(testNotificationMsg, is(notificationMsg));
189 }
190
191 /**
192 * Notification message with wrong message length.
193 *
194 * @throws BGPParseException while decoding and encoding notification message
195 */
196 @Test(expected = BGPParseException.class)
197 public void bgpNotificationMessageTest5() throws BGPParseException {
198 byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
199 (byte) 0xff, (byte) 0xff,
200 (byte) 0xff, (byte) 0xff,
201 (byte) 0xff, (byte) 0xff,
202 (byte) 0xff, (byte) 0xff,
203 (byte) 0xff, (byte) 0xff,
204 (byte) 0xff, (byte) 0xff,
205 (byte) 0xff, (byte) 0xff, 0x00,
206 0x14, 0x03, 0x02, 0x02};
207
208 byte[] testNotificationMsg = {0};
209 ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
210 buffer.writeBytes(notificationMsg);
211
212 BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
213 BGPMessage message = null;
214 BGPHeader bgpHeader = new BGPHeader();
215
216 message = reader.readFrom(buffer, bgpHeader);
217 assertThat(message, instanceOf(BGPNotificationMsg.class));
218
219 ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
220 message.writeTo(buf);
221 testNotificationMsg = buf.array();
222
223 int iReadLen = buf.writerIndex() - 0;
224 testNotificationMsg = new byte[iReadLen];
225 buf.readBytes(testNotificationMsg, 0, iReadLen);
226 assertThat(testNotificationMsg, is(notificationMsg));
227 }
228}