bmp/bmp-spi/src/test/java/org/opendaylight/protocol/bmp/spi/registry/SimpleBmpTlvRegistryTest.java

   1 /*
   2  * Copyright (c) 2015 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.protocol.bmp.spi.registry;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertNotNull;
  12 import static org.junit.Assert.assertNull;
  13 import static org.junit.Assert.assertTrue;
  14
  15 import io.netty.buffer.ByteBuf;
  16 import io.netty.buffer.Unpooled;
  17 import org.junit.Before;
  18 import org.junit.Test;
  19 import org.mockito.ArgumentCaptor;
  20 import org.mockito.Mock;
  21 import org.mockito.Mockito;
  22 import org.mockito.MockitoAnnotations;
  23 import org.opendaylight.protocol.bmp.spi.parser.BmpDeserializationException;
  24 import org.opendaylight.protocol.bmp.spi.parser.BmpTlvParser;
  25 import org.opendaylight.protocol.bmp.spi.parser.BmpTlvSerializer;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev180329.Tlv;
  27 import org.opendaylight.yangtools.yang.binding.DataContainer;
  28
  29 public class SimpleBmpTlvRegistryTest {
  30
  31     private final SimpleBmpTlvRegistry bmpTlvRegistry = new SimpleBmpTlvRegistry();
  32     private final byte[] bytes = new byte[]{1, 2, 3};
  33     private final ByteBuf input = Unpooled.wrappedBuffer(this.bytes);
  34     private static final int DESCRIPTION_TLV_TYPE = 1;
  35     private static final int OTHER_TLV_TYPE = 2;
  36     @Mock
  37     private BmpTlvParser descriptionTlvParser;
  38     @Mock
  39     private BmpTlvSerializer descriptionTlvSerializer;
  40
  41     @Before
  42     public void setUp() throws BmpDeserializationException {
  43         MockitoAnnotations.initMocks(this);
  44         this.bmpTlvRegistry.registerBmpTlvParser(DESCRIPTION_TLV_TYPE, this.descriptionTlvParser);
  45         this.bmpTlvRegistry.registerBmpTlvSerializer(MockDescriptionTlv.class, this.descriptionTlvSerializer);
  46         Mockito.doReturn(new MockDescriptionTlv()).when(this.descriptionTlvParser).parseTlv(this.input);
  47         final ArgumentCaptor<Tlv> tlvArg = ArgumentCaptor.forClass(Tlv.class);
  48         final ArgumentCaptor<ByteBuf> bufArg = ArgumentCaptor.forClass(ByteBuf.class);
  49         Mockito.doNothing().when(this.descriptionTlvSerializer).serializeTlv(tlvArg.capture(), bufArg.capture());
  50     }
  51
  52     @Test
  53     public void testParserRegistration() {
  54         assertNotNull(this.bmpTlvRegistry.registerBmpTlvParser(DESCRIPTION_TLV_TYPE, this.descriptionTlvParser));
  55     }
  56
  57     @Test
  58     public void testSerializerRegistration() {
  59         assertNotNull(this.bmpTlvRegistry.registerBmpTlvSerializer(MockDescriptionTlv.class,
  60                 this.descriptionTlvSerializer));
  61     }
  62
  63     @Test
  64     public void testUnrecognizedType() throws BmpDeserializationException {
  65         assertNull(this.bmpTlvRegistry.parseTlv(OTHER_TLV_TYPE, this.input));
  66         final ByteBuf output = Unpooled.EMPTY_BUFFER;
  67         this.bmpTlvRegistry.serializeTlv(new MockTlv(), output);
  68         assertEquals(0, output.readableBytes());
  69     }
  70
  71     @Test
  72     public void testParseTlv() throws BmpDeserializationException {
  73         final Tlv output = this.bmpTlvRegistry.parseTlv(DESCRIPTION_TLV_TYPE, this.input);
  74         assertNotNull(output);
  75         assertTrue(output instanceof MockDescriptionTlv);
  76
  77         final ByteBuf aggregator = Unpooled.EMPTY_BUFFER;
  78         this.bmpTlvRegistry.serializeTlv(output, aggregator);
  79         Mockito.verify(this.descriptionTlvSerializer).serializeTlv(output, aggregator);
  80     }
  81
  82     private final class MockDescriptionTlv implements Tlv {
  83         @Override
  84         public Class<? extends DataContainer> getImplementedInterface() {
  85             return MockDescriptionTlv.class;
  86         }
  87     }
  88
  89     private final class MockTlv implements Tlv {
  90
  91         @Override
  92         public Class<? extends DataContainer> getImplementedInterface() {
  93             return MockTlv.class;
  94         }
  95
  96     }
  97 }