Jian Li | f9ec083 | 2017-04-09 20:49:48 +0900 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.drivers.lisp.extensions.codec; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.JsonNode; |
| 19 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 20 | import org.hamcrest.Description; |
| 21 | import org.hamcrest.TypeSafeDiagnosingMatcher; |
| 22 | import org.junit.After; |
| 23 | import org.junit.Before; |
| 24 | import org.junit.Test; |
| 25 | import org.onlab.packet.IpPrefix; |
| 26 | import org.onosproject.codec.CodecContext; |
| 27 | import org.onosproject.codec.JsonCodec; |
| 28 | import org.onosproject.codec.impl.CodecManager; |
| 29 | import org.onosproject.drivers.lisp.extensions.LispMappingExtensionCodecRegistrator; |
| 30 | import org.onosproject.drivers.lisp.extensions.LispNonceAddress; |
| 31 | import org.onosproject.mapping.addresses.MappingAddresses; |
| 32 | import org.onosproject.mapping.web.codec.MappingAddressJsonMatcher; |
| 33 | |
| 34 | import java.io.IOException; |
| 35 | import java.io.InputStream; |
| 36 | |
| 37 | import static org.hamcrest.MatcherAssert.assertThat; |
| 38 | import static org.hamcrest.Matchers.is; |
| 39 | import static org.hamcrest.Matchers.notNullValue; |
| 40 | |
| 41 | /** |
| 42 | * Unit tests for LispNonceAddressCodec. |
| 43 | */ |
| 44 | public class LispNonceAddressCodecTest { |
| 45 | |
| 46 | private static final int NONCE = 1; |
| 47 | private static final IpPrefix ADDRESS = IpPrefix.valueOf("10.1.1.0/24"); |
| 48 | |
| 49 | private CodecContext context; |
| 50 | private JsonCodec<LispNonceAddress> nonceAddressCodec; |
| 51 | private LispMappingExtensionCodecRegistrator registrator; |
| 52 | |
| 53 | /** |
| 54 | * Sets up for each test. |
| 55 | * Creates a context and fetches the LispNonceAddress codec. |
| 56 | */ |
| 57 | @Before |
| 58 | public void setUp() { |
| 59 | CodecManager manager = new CodecManager(); |
| 60 | registrator = new LispMappingExtensionCodecRegistrator(); |
| 61 | registrator.codecService = manager; |
| 62 | registrator.activate(); |
| 63 | |
| 64 | context = new LispMappingExtensionCodecContextAdapter(registrator.codecService); |
| 65 | nonceAddressCodec = context.codec(LispNonceAddress.class); |
| 66 | assertThat("nonce address codec should not be null", |
| 67 | nonceAddressCodec, notNullValue()); |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Deactivates the codec registrator. |
| 72 | */ |
| 73 | @After |
| 74 | public void tearDown() { |
| 75 | registrator.deactivate(); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Tests encoding of a LispNonceAddress object. |
| 80 | */ |
| 81 | @Test |
| 82 | public void testLispNonceAddressEncode() { |
| 83 | LispNonceAddress address = new LispNonceAddress.Builder() |
| 84 | .withNonce(NONCE) |
| 85 | .withAddress(MappingAddresses.ipv4MappingAddress(ADDRESS)) |
| 86 | .build(); |
| 87 | ObjectNode addressJson = nonceAddressCodec.encode(address, context); |
| 88 | assertThat("errors in encoding nonce address JSON", |
| 89 | addressJson, LispNonceAddressJsonMatcher.matchesNonceAddress(address)); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Tests decoding of a LispNonceAddress JSON object. |
| 94 | */ |
| 95 | @Test |
| 96 | public void testLispNonceAddressDecode() throws IOException { |
| 97 | LispNonceAddress address = getLispNonceAddress("LispNonceAddress.json"); |
| 98 | |
| 99 | assertThat("incorrect nonce", address.getNonce(), is(NONCE)); |
| 100 | assertThat("incorrect address", address.getAddress(), |
| 101 | is(MappingAddresses.ipv4MappingAddress(ADDRESS))); |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Hamcrest matcher for LispNonceAddress. |
| 106 | */ |
| 107 | public static final class LispNonceAddressJsonMatcher |
| 108 | extends TypeSafeDiagnosingMatcher<JsonNode> { |
| 109 | |
| 110 | private final LispNonceAddress address; |
| 111 | |
| 112 | /** |
| 113 | * Default constructor. |
| 114 | * |
| 115 | * @param address LispNonceAddress object |
| 116 | */ |
| 117 | private LispNonceAddressJsonMatcher(LispNonceAddress address) { |
| 118 | this.address = address; |
| 119 | } |
| 120 | |
| 121 | @Override |
| 122 | protected boolean matchesSafely(JsonNode jsonNode, Description description) { |
| 123 | |
| 124 | // check nonce |
| 125 | int jsonNonce = jsonNode.get(LispNonceAddressCodec.NONCE).asInt(); |
| 126 | int nonce = address.getNonce(); |
| 127 | if (jsonNonce != nonce) { |
| 128 | description.appendText("Nonce was " + jsonNonce); |
| 129 | return false; |
| 130 | } |
| 131 | |
| 132 | // check address |
| 133 | MappingAddressJsonMatcher addressMatcher = |
| 134 | MappingAddressJsonMatcher.matchesMappingAddress(address.getAddress()); |
| 135 | |
| 136 | return addressMatcher.matches(jsonNode.get(LispNonceAddressCodec.ADDRESS)); |
| 137 | } |
| 138 | |
| 139 | @Override |
| 140 | public void describeTo(Description description) { |
| 141 | description.appendText(address.toString()); |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Factory to allocate a LispNonceAddress matcher. |
| 146 | * |
| 147 | * @param address LispNonceAddress object we are looking for |
| 148 | * @return matcher |
| 149 | */ |
| 150 | public static LispNonceAddressJsonMatcher matchesNonceAddress(LispNonceAddress address) { |
| 151 | return new LispNonceAddressJsonMatcher(address); |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * Reads in a LispNonceAddress from the given resource and decodes it. |
| 157 | * |
| 158 | * @param resourceName resource to use to read the JSON for the rule |
| 159 | * @return decoded LispNonceAddress |
| 160 | * @throws IOException if processing the resource fails |
| 161 | */ |
| 162 | private LispNonceAddress getLispNonceAddress(String resourceName) throws IOException { |
| 163 | InputStream jsonStream = LispNonceAddressCodecTest.class.getResourceAsStream(resourceName); |
| 164 | JsonNode json = context.mapper().readTree(jsonStream); |
| 165 | assertThat("JSON string should not be null", json, notNullValue()); |
| 166 | LispNonceAddress nonceAddress = nonceAddressCodec.decode((ObjectNode) json, context); |
| 167 | assertThat("decoded address should not be null", nonceAddress, notNullValue()); |
| 168 | return nonceAddress; |
| 169 | } |
| 170 | } |