/*
* 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.bgpio.protocol;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.junit.Test;
import org.onosproject.bgpio.exceptions.BgpParseException;
import org.onosproject.bgpio.types.BgpHeader;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.core.Is.is;
/**
* Test for Notification message.
*/
public class BgpNotificationMsgTest {
/**
* Notification message with error code, error subcode and data.
*
* @throws BgpParseException while decoding and encoding notification message
*/
@Test
public void bgpNotificationMessageTest1() throws BgpParseException {
byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff, 0x00,
0x17, 0x03, 0x02, 0x02,
(byte) 0xfe, (byte) 0xb0};
byte[] testNotificationMsg = {0};
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
buffer.writeBytes(notificationMsg);
BgpMessageReader<BgpMessage> reader = BgpFactories.getGenericReader();
BgpMessage message = null;
BgpHeader bgpHeader = new BgpHeader();
message = reader.readFrom(buffer, bgpHeader);
assertThat(message, instanceOf(BgpNotificationMsg.class));
ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
message.writeTo(buf);
testNotificationMsg = buf.array();
int iReadLen = buf.writerIndex() - 0;
testNotificationMsg = new byte[iReadLen];
buf.readBytes(testNotificationMsg, 0, iReadLen);
assertThat(testNotificationMsg, is(notificationMsg));
}
/**
* Notification message without data.
*
* @throws BgpParseException while decoding and encoding notification message
*/
@Test
public void bgpNotificationMessageTest2() throws BgpParseException {
byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff, 0x00,
0x15, 0x03, 0x02, 0x00};
byte[] testNotificationMsg = {0};
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
buffer.writeBytes(notificationMsg);
BgpMessageReader<BgpMessage> reader = BgpFactories.getGenericReader();
BgpMessage message = null;
BgpHeader bgpHeader = new BgpHeader();
message = reader.readFrom(buffer, bgpHeader);
assertThat(message, instanceOf(BgpNotificationMsg.class));
ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
message.writeTo(buf);
testNotificationMsg = buf.array();
int iReadLen = buf.writerIndex() - 0;
testNotificationMsg = new byte[iReadLen];
buf.readBytes(testNotificationMsg, 0, iReadLen);
assertThat(testNotificationMsg, is(notificationMsg));
}
//Negative scenarios
/**
* Notification message with wrong maker value.
*
* @throws BgpParseException while decoding and encoding notification message
*/
@Test(expected = BgpParseException.class)
public void bgpNotificationMessageTest3() throws BgpParseException {
byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
0x01, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff, 0x00,
0x15, 0x03, 0x02, 0x00};
byte[] testNotificationMsg = {0};
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
buffer.writeBytes(notificationMsg);
BgpMessageReader<BgpMessage> reader = BgpFactories.getGenericReader();
BgpMessage message = null;
BgpHeader bgpHeader = new BgpHeader();
message = reader.readFrom(buffer, bgpHeader);
assertThat(message, instanceOf(BgpNotificationMsg.class));
ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
message.writeTo(buf);
testNotificationMsg = buf.array();
int iReadLen = buf.writerIndex() - 0;
testNotificationMsg = new byte[iReadLen];
buf.readBytes(testNotificationMsg, 0, iReadLen);
assertThat(testNotificationMsg, is(notificationMsg));
}
/**
* Notification message without error subcode.
*
* @throws BgpParseException while decoding and encoding notification message
*/
@Test(expected = BgpParseException.class)
public void bgpNotificationMessageTest4() throws BgpParseException {
byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff, 0x00,
0x14, 0x03, 0x02};
byte[] testNotificationMsg = {0};
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
buffer.writeBytes(notificationMsg);
BgpMessageReader<BgpMessage> reader = BgpFactories.getGenericReader();
BgpMessage message = null;
BgpHeader bgpHeader = new BgpHeader();
message = reader.readFrom(buffer, bgpHeader);
assertThat(message, instanceOf(BgpNotificationMsg.class));
ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
message.writeTo(buf);
testNotificationMsg = buf.array();
int iReadLen = buf.writerIndex() - 0;
testNotificationMsg = new byte[iReadLen];
buf.readBytes(testNotificationMsg, 0, iReadLen);
assertThat(testNotificationMsg, is(notificationMsg));
}
/**
* Notification message with wrong message length.
*
* @throws BgpParseException while decoding and encoding notification message
*/
@Test(expected = BgpParseException.class)
public void bgpNotificationMessageTest5() throws BgpParseException {
byte[] notificationMsg = new byte[] {(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff,
(byte) 0xff, (byte) 0xff, 0x00,
0x14, 0x03, 0x02, 0x02};
byte[] testNotificationMsg = {0};
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
buffer.writeBytes(notificationMsg);
BgpMessageReader<BgpMessage> reader = BgpFactories.getGenericReader();
BgpMessage message = null;
BgpHeader bgpHeader = new BgpHeader();
message = reader.readFrom(buffer, bgpHeader);
assertThat(message, instanceOf(BgpNotificationMsg.class));
ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
message.writeTo(buf);
testNotificationMsg = buf.array();
int iReadLen = buf.writerIndex() - 0;
testNotificationMsg = new byte[iReadLen];
buf.readBytes(testNotificationMsg, 0, iReadLen);
assertThat(testNotificationMsg, is(notificationMsg));
}
}