bgp/parser-impl/src/test/java/org/opendaylight/protocol/bgp/parser/impl/MultiProtocolCapabilityHandlerTest.java

   1 /*
   2  * Copyright (c) 2015 Pantheon Technologies s.r.o. 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
   9 package org.opendaylight.protocol.bgp.parser.impl;
  10
  11 import static org.junit.Assert.assertEquals;
  12
  13 import io.netty.buffer.ByteBuf;
  14 import io.netty.buffer.Unpooled;
  15 import org.junit.Before;
  16 import org.junit.Test;
  17 import org.mockito.Mock;
  18 import org.mockito.Mockito;
  19 import org.mockito.MockitoAnnotations;
  20 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
  21 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
  22 import org.opendaylight.protocol.bgp.parser.impl.message.open.MultiProtocolCapabilityHandler;
  23 import org.opendaylight.protocol.bgp.parser.spi.AddressFamilyRegistry;
  24 import org.opendaylight.protocol.bgp.parser.spi.SubsequentAddressFamilyRegistry;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParameters;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1Builder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapabilityBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  32
  33 public class MultiProtocolCapabilityHandlerTest {
  34
  35     private final static Class afi = Ipv6AddressFamily.class;
  36     @Mock private AddressFamilyRegistry afir;
  37     @Mock private AddressFamilyRegistry afirExpection;
  38     private final static Class safi = UnicastSubsequentAddressFamily.class;
  39     @Mock private SubsequentAddressFamilyRegistry safir;
  40     @Mock private SubsequentAddressFamilyRegistry safirException;
  41     private final ByteBuf serializedBytes = Unpooled.copiedBuffer(new byte[] {1, 4, 1, 4, 0, 4});
  42
  43     @Before
  44     public void setUp() {
  45         MockitoAnnotations.initMocks(this);
  46         Mockito.doReturn(260).when(this.afir).numberForClass(afi);
  47         Mockito.doReturn(this.afi).when(this.afir).classForFamily(260);
  48
  49         Mockito.doReturn(null).when(this.afirExpection).numberForClass(afi);
  50         Mockito.doReturn(null).when(this.afirExpection).classForFamily(260);
  51
  52         Mockito.doReturn(4).when(this.safir).numberForClass(safi);
  53         Mockito.doReturn(this.safi).when(this.safir).classForFamily(4);
  54
  55         Mockito.doReturn(null).when(this.safirException).numberForClass(safi);
  56         Mockito.doReturn(null).when(this.safirException).classForFamily(4);
  57     }
  58
  59     @Test
  60     public void testCapabilityHandler() throws BGPDocumentedException, BGPParsingException {
  61         final CParameters capabilityToSerialize = new CParametersBuilder().addAugmentation(CParameters1.class, new CParameters1Builder().setMultiprotocolCapability(
  62             new MultiprotocolCapabilityBuilder().setAfi(this.afi).setSafi(this.safi).build()).build()).build();
  63
  64         final ByteBuf bytes = Unpooled.buffer();
  65         final MultiProtocolCapabilityHandler handler = new MultiProtocolCapabilityHandler(this.afir, this.safir);
  66         handler.serializeCapability(capabilityToSerialize, bytes);
  67         final CParameters newCaps = handler.parseCapability(bytes);
  68
  69         assertEquals(capabilityToSerialize.hashCode(), newCaps.hashCode());
  70     }
  71
  72     @Test(expected=BGPParsingException.class)
  73     public void testAfiException() throws BGPDocumentedException, BGPParsingException {
  74         final ByteBuf bytes = this.serializedBytes.copy();
  75         final MultiProtocolCapabilityHandler handler = new MultiProtocolCapabilityHandler(this.afirExpection, this.safir);
  76         handler.parseCapability(bytes);
  77     }
  78
  79     @Test(expected=BGPParsingException.class)
  80     public void testSafiException() throws BGPDocumentedException, BGPParsingException {
  81         final ByteBuf bytes = this.serializedBytes.copy();
  82         final MultiProtocolCapabilityHandler handler = new MultiProtocolCapabilityHandler(this.afir, this.safirException);
  83         handler.parseCapability(bytes);
  84     }
  85
  86     @Test(expected=IllegalArgumentException.class)
  87     public void testUnhandledAfi() {
  88         final CParameters capabilityToSerialize = new CParametersBuilder().addAugmentation(CParameters1.class, new CParameters1Builder().setMultiprotocolCapability(
  89             new MultiprotocolCapabilityBuilder().setAfi(this.afi).setSafi(this.safi).build()).build()).build();
  90
  91         final ByteBuf bytes = Unpooled.buffer();
  92         final MultiProtocolCapabilityHandler handler = new MultiProtocolCapabilityHandler(this.afirExpection, this.safir);
  93         handler.serializeCapability(capabilityToSerialize, bytes);
  94     }
  95
  96     @Test(expected=IllegalArgumentException.class)
  97     public void testUnhandledSafi() {
  98         final CParameters capabilityToSerialize = new CParametersBuilder().addAugmentation(CParameters1.class, new CParameters1Builder().setMultiprotocolCapability(
  99             new MultiprotocolCapabilityBuilder().setAfi(this.afi).setSafi(this.safi).build()).build()).build();
 100
 101         final ByteBuf bytes = Unpooled.buffer();
 102         final MultiProtocolCapabilityHandler handler = new MultiProtocolCapabilityHandler(this.afir, this.safirException);
 103         handler.serializeCapability(capabilityToSerialize, bytes);
 104     }
 105
 106     @Test
 107     public void noSerializationTest() {
 108         final CParameters capabilityNoAugmentation = new CParametersBuilder().addAugmentation(CParameters1.class, null).build();
 109         final CParameters capabilityNoMP = new CParametersBuilder().addAugmentation(CParameters1.class, new CParameters1Builder().build()).build();
 110
 111         final ByteBuf bytes = Unpooled.buffer();
 112         final MultiProtocolCapabilityHandler handler = new MultiProtocolCapabilityHandler(this.afir, this.safirException);
 113         handler.serializeCapability(capabilityNoAugmentation, bytes);
 114         assertEquals(0, bytes.readableBytes());
 115         handler.serializeCapability(capabilityNoMP, bytes);
 116         assertEquals(0, bytes.readableBytes());
 117     }
 118 }