Test coverage: bmp.spi.registry
[bgpcep.git] / bgp / 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 import io.netty.buffer.ByteBuf;
15 import io.netty.buffer.Unpooled;
16 import org.junit.Before;
17 import org.junit.Test;
18 import org.mockito.Mock;
19 import org.mockito.Mockito;
20 import org.mockito.MockitoAnnotations;
21 import org.opendaylight.protocol.bmp.spi.parser.BmpDeserializationException;
22 import org.opendaylight.protocol.bmp.spi.parser.BmpTlvParser;
23 import org.opendaylight.protocol.bmp.spi.parser.BmpTlvSerializer;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev150512.Tlv;
25 import org.opendaylight.yangtools.yang.binding.DataContainer;
26
27 public class SimpleBmpTlvRegistryTest {
28
29     private final SimpleBmpTlvRegistry bmpTlvRegistry = new SimpleBmpTlvRegistry();
30     private final byte[] bytes = new byte[] {
31         1, 2, 3
32     };
33     private final ByteBuf input = Unpooled.wrappedBuffer(this.bytes);
34
35     @Mock private BmpTlvParser descriptionTlvParser;
36     private static final int descriptionTlvType = 1;
37     private static final int otherTlvType = 2;
38     @Mock private BmpTlvSerializer descriptionTlvSerializer;
39
40     @Before
41     public void setUp() throws BmpDeserializationException {
42         MockitoAnnotations.initMocks(this);
43         this.bmpTlvRegistry.registerBmpTlvParser(descriptionTlvType, this.descriptionTlvParser);
44         this.bmpTlvRegistry.registerBmpTlvSerializer(MockDescriptionTlv.class, this.descriptionTlvSerializer);
45         Mockito.doReturn(new MockDescriptionTlv()).when(this.descriptionTlvParser).parseTlv(this.input);
46     }
47
48     @Test
49     public void testParserRegistration() {
50         assertNotNull(this.bmpTlvRegistry.registerBmpTlvParser(descriptionTlvType, this.descriptionTlvParser));
51     }
52
53     @Test
54     public void testSerializerRegistration() {
55         assertNotNull(this.bmpTlvRegistry.registerBmpTlvSerializer(MockDescriptionTlv.class, this.descriptionTlvSerializer));
56     }
57
58     @Test
59     public void testUnrecognizedType() throws BmpDeserializationException {
60         assertNull(this.bmpTlvRegistry.parseTlv(otherTlvType, this.input));
61         final ByteBuf output = Unpooled.EMPTY_BUFFER;
62         this.bmpTlvRegistry.serializeTlv(new MockTlv(), output);
63         assertEquals(0, output.readableBytes());
64     }
65
66     @Test
67     public void testParseTlv() throws BmpDeserializationException {
68         final Tlv output = this.bmpTlvRegistry.parseTlv(descriptionTlvType, this.input);
69         assertNotNull(output);
70         assertTrue(output instanceof MockDescriptionTlv);
71
72         final ByteBuf aggregator = Unpooled.EMPTY_BUFFER;
73         this.bmpTlvRegistry.serializeTlv(output, aggregator);
74         Mockito.verify(this.descriptionTlvSerializer).serializeTlv(output, aggregator);
75     }
76
77     private final class MockDescriptionTlv implements Tlv {
78         @Override
79         public Class<? extends DataContainer> getImplementedInterface() {
80             return MockDescriptionTlv.class;
81         }
82     }
83
84     private final class MockTlv implements Tlv {
85
86         @Override
87         public Class<? extends DataContainer> getImplementedInterface() {
88             return MockTlv.class;
89         }
90
91     }
92 }