bgp/concepts/src/test/java/org/opendaylight/bgp/concepts/RouteDistinguisherUtilTest.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.bgp.concepts;
   9
  10 import static org.junit.Assert.assertArrayEquals;
  11 import static org.junit.Assert.assertEquals;
  12 import io.netty.buffer.ByteBuf;
  13 import io.netty.buffer.Unpooled;
  14 import java.lang.reflect.Constructor;
  15 import java.lang.reflect.InvocationTargetException;
  16 import org.junit.Test;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.RouteDistinguisher;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.RouteDistinguisherBuilder;
  19
  20 public class RouteDistinguisherUtilTest {
  21
  22     private static final String IP_ADDRESS = "1.2.3.4";
  23     private static final String ADMIN = "55";
  24     private static final byte[] IP_BYTES = { 0, 1, 1, 2, 3, 4, 0, 10 };
  25     private static final byte[] AS_4B_BYTES = { 0, 2, 0,0, 0, 55, (byte)0xff, (byte)0xff};
  26     private static final char SEPARATOR = ':';
  27
  28     @Test
  29     public void testIpv4RouteDistinguisher() {
  30         final RouteDistinguisher expected = createRouteDistinguisher(1, 10L, IP_ADDRESS);
  31         final RouteDistinguisher parsed = RouteDistinguisherUtil.parseRouteDistinguisher(Unpooled.copiedBuffer(IP_BYTES));
  32         assertEquals(expected.getRdIpv4(), parsed.getRdIpv4());
  33         final ByteBuf byteAggregator = Unpooled.buffer(IP_BYTES.length);
  34         RouteDistinguisherUtil.serializeRouteDistinquisher(expected, byteAggregator);
  35         assertArrayEquals(IP_BYTES, byteAggregator.array());
  36     }
  37
  38     @Test
  39     public void testAs4BRouteDistinguisher() {
  40         final RouteDistinguisher expected = createRouteDistinguisher(2, 65535L, ADMIN);
  41         final RouteDistinguisher parsed = RouteDistinguisherUtil.parseRouteDistinguisher(Unpooled.copiedBuffer(AS_4B_BYTES));
  42         assertEquals(expected.getRdAs(), parsed.getRdAs());
  43         final ByteBuf byteAggregator = Unpooled.buffer(AS_4B_BYTES.length);
  44         RouteDistinguisherUtil.serializeRouteDistinquisher(expected, byteAggregator);
  45         assertArrayEquals(AS_4B_BYTES, byteAggregator.array());
  46     }
  47
  48     @Test(expected=UnsupportedOperationException.class)
  49     public void testPrivateConstructor() throws Throwable {
  50         final Constructor<RouteDistinguisherUtil> c = RouteDistinguisherUtil.class.getDeclaredConstructor();
  51         c.setAccessible(true);
  52         try {
  53             c.newInstance();
  54         } catch (final InvocationTargetException e) {
  55             throw e.getCause();
  56         }
  57     }
  58
  59     private RouteDistinguisher createRouteDistinguisher(final int type, final long assignedNumberSubfield, final String administratorSubfield) {
  60         final StringBuffer routeDistiguisher = new StringBuffer();
  61         routeDistiguisher.append(administratorSubfield);
  62         routeDistiguisher.append(SEPARATOR);
  63         routeDistiguisher.append(assignedNumberSubfield);
  64         return RouteDistinguisherBuilder.getDefaultInstance(routeDistiguisher.toString());
  65     }
  66
  67 }