[ONOS-2610] Unit test for BGP open message
Change-Id: I9f74a53ff3d888742b6a38553de1fa3a7f881bc9
diff --git a/bgp/bgpio/src/test/java/org/onosproject/bgp/BGPOpenMsgTest.java b/bgp/bgpio/src/test/java/org/onosproject/bgp/BGPOpenMsgTest.java
new file mode 100755
index 0000000..d010857
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+++ b/bgp/bgpio/src/test/java/org/onosproject/bgp/BGPOpenMsgTest.java
@@ -0,0 +1,318 @@
+/*
+ * Copyright 2014-2015 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.bgp;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.hamcrest.core.Is.is;
+
+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.protocol.BGPFactories;
+import org.onosproject.bgpio.protocol.BGPMessage;
+import org.onosproject.bgpio.protocol.BGPMessageReader;
+import org.onosproject.bgpio.protocol.BGPOpenMsg;
+import org.onosproject.bgpio.types.BGPHeader;
+
+/**
+ * Test cases for BGP Open Message.
+ */
+public class BGPOpenMsgTest {
+
+ /**
+ * This test case checks open message without optional parameter.
+ */
+ @Test
+ public void openMessageTest1() throws BGPParseException {
+ //Open message without optional parameter
+ byte[] openMsg = 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, 0x1d, 0x01, 0X04, (byte) 0xfe, 0x09, 0x00,
+ (byte) 0xb4, (byte) 0xc0, (byte) 0xa8, 0x00, 0x0f,
+ 0x00};
+
+ byte[] testOpenMsg;
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(openMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message;
+ BGPHeader bgpHeader = new BGPHeader();
+ message = reader.readFrom(buffer, bgpHeader);
+
+ assertThat(message, instanceOf(BGPOpenMsg.class));
+ ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+ message.writeTo(buf);
+
+ int readLen = buf.writerIndex();
+ testOpenMsg = new byte[readLen];
+ buf.readBytes(testOpenMsg, 0, readLen);
+
+ assertThat(testOpenMsg, is(openMsg));
+ }
+
+ /**
+ * This test case checks open message with Multiprotocol extension
+ * capability.
+ */
+ @Test
+ public void openMessageTest2() throws BGPParseException {
+
+ // OPEN Message (MultiProtocolExtension-CAPABILITY).
+ byte[] openMsg = 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, 0x25,
+ 0x01, //BGP Header
+ 0X04, //Version
+ (byte) 0x00, (byte) 0xc8, // AS Number
+ 0x00, (byte) 0xb4, // Hold time
+ (byte) 0xb6, (byte) 0x02, 0x5d,
+ (byte) 0xc8, // BGP Identifier
+ 0x08, 0x02, 0x06, // Opt Parameter length
+ 0x01, 0x04, 0x00, 0x00, 0x00, (byte) 0xc8}; // Multiprotocol CAPABILITY
+
+ byte[] testOpenMsg;
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(openMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message;
+ BGPHeader bgpHeader = new BGPHeader();
+
+ message = reader.readFrom(buffer, bgpHeader);
+
+ assertThat(message, instanceOf(BGPOpenMsg.class));
+ ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+ message.writeTo(buf);
+
+ int readLen = buf.writerIndex();
+ testOpenMsg = new byte[readLen];
+ buf.readBytes(testOpenMsg, 0, readLen);
+
+ assertThat(testOpenMsg, is(openMsg));
+ }
+
+ /**
+ * This test case checks open message with Four-octet AS number
+ * capability.
+ */
+ @Test
+ public void openMessageTest3() throws BGPParseException {
+
+ // OPEN Message (Four-Octet AS number capability).
+ byte[] openMsg = 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, 0x25,
+ 0x01, //BGPHeader
+ 0X04, //Version
+ (byte) 0x00, (byte) 0xc8, //AS Number
+ 0x00, (byte) 0xb4, //Hold Time
+ (byte) 0xb6, (byte) 0x02, 0x5d,
+ (byte) 0xc8, //BGP Identifier
+ 0x08, 0x02, 0x06, //Opt Parameter Length
+ 0x41, 0x04, 0x00, 0x01, 0x00, 0x01}; //Four Octet AS Number-CAPABILITY-TLV
+
+ byte[] testOpenMsg;
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(openMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message;
+ BGPHeader bgpHeader = new BGPHeader();
+
+ message = reader.readFrom(buffer, bgpHeader);
+
+ assertThat(message, instanceOf(BGPOpenMsg.class));
+ ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+ message.writeTo(buf);
+
+ int readLen = buf.writerIndex();
+ testOpenMsg = new byte[readLen];
+ buf.readBytes(testOpenMsg, 0, readLen);
+
+ assertThat(testOpenMsg, is(openMsg));
+ }
+
+ /**
+ * This test case checks open message with capabilities.
+ */
+ @Test
+ public void openMessageTest4() throws BGPParseException {
+
+ // OPEN Message with capabilities.
+ byte[] openMsg = 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, 0x2b,
+ 0x01, //BGPHeader
+ 0X04, //Version
+ (byte) 0x00, (byte) 0xc8, //AS Number
+ 0x00, (byte) 0xb4, //Hold Time
+ (byte) 0xb6, (byte) 0x02, 0x5d, (byte) 0xc8, //BGP Identifier
+ 0x0e, 0x02, 0x0c, //Opt Parameter Length
+ 0x01, 0x04, 0x00, 0x00, 0x00, (byte) 0xc8, // Multiprotocol extension capability
+ 0x41, 0x04, 0x00, 0x01, 0x00, 0x01}; //Four Octet AS Number-CAPABILITY-TLV
+
+ byte[] testOpenMsg;
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(openMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message;
+ BGPHeader bgpHeader = new BGPHeader();
+
+ message = reader.readFrom(buffer, bgpHeader);
+
+ assertThat(message, instanceOf(BGPOpenMsg.class));
+
+ ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+ message.writeTo(buf);
+
+ int readLen = buf.writerIndex();
+ testOpenMsg = new byte[readLen];
+ buf.readBytes(testOpenMsg, 0, readLen);
+
+ assertThat(testOpenMsg, is(openMsg));
+ }
+
+ /**
+ * In this test case, Invalid version is given as input and expecting
+ * an exception.
+ */
+ @Test(expected = BGPParseException.class)
+ public void openMessageTest5() throws BGPParseException {
+
+ // OPEN Message with invalid version number.
+ byte[] openMsg = 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, 0x1d, 0x01, 0X05,
+ (byte) 0xfe, 0x09, 0x00, (byte) 0xb4,
+ (byte) 0xc0, (byte) 0xa8, 0x00, 0x0f,
+ 0x00};
+
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(openMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message;
+ BGPHeader bgpHeader = new BGPHeader();
+ message = reader.readFrom(buffer, bgpHeader);
+
+ assertThat(message, instanceOf(BGPOpenMsg.class));
+ }
+
+ /**
+ * In this test case, Marker is set as 0 in input and expecting
+ * an exception.
+ */
+ @Test(expected = BGPParseException.class)
+ public void openMessageTest6() throws BGPParseException {
+
+ // OPEN Message with marker set to 0.
+ byte[] openMsg = new byte[] {(byte) 0xff, (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff, (byte) 0xff,
+ (byte) 0x00, (byte) 0xff, (byte) 0xff,
+ (byte) 0xff, (byte) 0xff, (byte) 0xff,
+ 0x00, 0x00, 0x1d, 0x01, 0X04,
+ (byte) 0xfe, 0x09, 0x00, (byte) 0xb4,
+ (byte) 0xc0, (byte) 0xa8, 0x00, 0x0f,
+ 0x00};
+
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(openMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message;
+ BGPHeader bgpHeader = new BGPHeader();
+ message = reader.readFrom(buffer, bgpHeader);
+
+ assertThat(message, instanceOf(BGPOpenMsg.class));
+ }
+
+ /**
+ * In this test case, Invalid message length is given as input and expecting
+ * an exception.
+ */
+ @Test(expected = BGPParseException.class)
+ public void openMessageTest7() throws BGPParseException {
+
+ // OPEN Message with invalid header length.
+ byte[] openMsg = 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, 0x1e, 0x01, 0X04,
+ (byte) 0xfe, 0x09, 0x00, (byte) 0xb4,
+ (byte) 0xc0, (byte) 0xa8, 0x00, 0x0f,
+ 0x00};
+
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(openMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message;
+ BGPHeader bgpHeader = new BGPHeader();
+ message = reader.readFrom(buffer, bgpHeader);
+
+ assertThat(message, instanceOf(BGPOpenMsg.class));
+ }
+
+ /**
+ * In this test case, Invalid message type is given as input and expecting
+ * an exception.
+ */
+ @Test(expected = BGPParseException.class)
+ public void openMessageTest8() throws BGPParseException {
+
+ // OPEN Message with invalid message type.
+ byte[] openMsg = 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, 0x1d, 0x05, 0X04,
+ (byte) 0xfe, 0x09, 0x00, (byte) 0xb4,
+ (byte) 0xc0, (byte) 0xa8, 0x00, 0x0f,
+ 0x00};
+
+ ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
+ buffer.writeBytes(openMsg);
+
+ BGPMessageReader<BGPMessage> reader = BGPFactories.getGenericReader();
+ BGPMessage message;
+ BGPHeader bgpHeader = new BGPHeader();
+ message = reader.readFrom(buffer, bgpHeader);
+
+ assertThat(message, instanceOf(BGPOpenMsg.class));
+ }
+}