| /* |
| * Copyright 2017-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.drivers.lisp.extensions.codec; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.hamcrest.Description; |
| import org.hamcrest.TypeSafeDiagnosingMatcher; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.packet.IpPrefix; |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.codec.impl.CodecManager; |
| import org.onosproject.drivers.lisp.extensions.LispAsAddress; |
| import org.onosproject.drivers.lisp.extensions.LispMappingExtensionCodecRegistrator; |
| import org.onosproject.mapping.addresses.MappingAddresses; |
| import org.onosproject.mapping.web.codec.MappingAddressJsonMatcher; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.is; |
| import static org.hamcrest.Matchers.notNullValue; |
| |
| /** |
| * Unit tests for LispAsAddressCodec. |
| */ |
| public class LispAsAddressCodecTest { |
| |
| private static final int AS_NUMBER = 1; |
| private static final IpPrefix IPV4_PREFIX = IpPrefix.valueOf("10.1.1.0/24"); |
| |
| private CodecContext context; |
| private JsonCodec<LispAsAddress> asAddressCodec; |
| private LispMappingExtensionCodecRegistrator registrator; |
| |
| /** |
| * Sets up for each test. |
| * Creates a context and fetches the LispAsAddress codec. |
| */ |
| @Before |
| public void setUp() { |
| CodecManager manager = new CodecManager(); |
| registrator = new LispMappingExtensionCodecRegistrator(); |
| registrator.codecService = manager; |
| registrator.activate(); |
| |
| context = new LispMappingExtensionCodecContextAdapter(registrator.codecService); |
| asAddressCodec = context.codec(LispAsAddress.class); |
| assertThat("AS address codec should not be null", asAddressCodec, notNullValue()); |
| } |
| |
| /** |
| * Deactivates the codec registrator. |
| */ |
| @After |
| public void tearDown() { |
| registrator.deactivate(); |
| } |
| |
| /** |
| * Tests encoding of a LispAsAddress object. |
| */ |
| @Test |
| public void testLispAsAddressEncode() { |
| LispAsAddress address = new LispAsAddress.Builder() |
| .withAsNumber(AS_NUMBER) |
| .withAddress(MappingAddresses.ipv4MappingAddress(IPV4_PREFIX)) |
| .build(); |
| ObjectNode addressJson = asAddressCodec.encode(address, context); |
| assertThat("errors in encoding AS address JSON", |
| addressJson, LispAsAddressJsonMatcher.matchesAsAddress(address)); |
| } |
| |
| /** |
| * Tests decoding of a LispAsAddress JSON object. |
| */ |
| @Test |
| public void testLispAsAddressDecode() throws IOException { |
| LispAsAddress address = getLispAsAddress("LispAsAddress.json"); |
| |
| assertThat("incorrect AS number", address.getAsNumber(), is(AS_NUMBER)); |
| assertThat("incorrect mapping address", address.getAddress(), |
| is(MappingAddresses.ipv4MappingAddress(IPV4_PREFIX))); |
| } |
| |
| /** |
| * Hamcrest matcher for LispAsAddress. |
| */ |
| public static final class LispAsAddressJsonMatcher |
| extends TypeSafeDiagnosingMatcher<JsonNode> { |
| |
| private final LispAsAddress address; |
| |
| /** |
| * Default constructor. |
| * |
| * @param address LispAsAddress object |
| */ |
| private LispAsAddressJsonMatcher(LispAsAddress address) { |
| this.address = address; |
| } |
| |
| @Override |
| protected boolean matchesSafely(JsonNode jsonNode, Description description) { |
| |
| // check protocol |
| int jsonAsNumber = jsonNode.get(LispAsAddressCodec.AS_NUMBER).asInt(); |
| int asNumber = address.getAsNumber(); |
| if (jsonAsNumber != asNumber) { |
| description.appendText("AsNumber was " + jsonAsNumber); |
| return false; |
| } |
| |
| // check address |
| MappingAddressJsonMatcher addressMatcher = |
| MappingAddressJsonMatcher.matchesMappingAddress(address.getAddress()); |
| return addressMatcher.matches(jsonNode.get(LispAppDataAddressCodec.ADDRESS)); |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText(address.toString()); |
| } |
| |
| /** |
| * Factory to allocate a LispAsAddress matcher. |
| * |
| * @param address LispAsAddress object we are looking for |
| * @return matcher |
| */ |
| public static LispAsAddressJsonMatcher matchesAsAddress(LispAsAddress address) { |
| return new LispAsAddressJsonMatcher(address); |
| } |
| } |
| |
| /** |
| * Reads in a LispAsAddress from the given resource and decodes it. |
| * |
| * @param resourceName resource to use to read the JSON for the rule |
| * @return decoded LispAsAddress |
| * @throws IOException if processing the resource fails |
| */ |
| private LispAsAddress getLispAsAddress(String resourceName) throws IOException { |
| InputStream jsonStream = LispAsAddressCodecTest.class.getResourceAsStream(resourceName); |
| JsonNode json = context.mapper().readTree(jsonStream); |
| assertThat("JSON string should not be null", json, notNullValue()); |
| LispAsAddress asAddress = asAddressCodec.decode((ObjectNode) json, context); |
| assertThat("Decoded address should not be null", asAddress, notNullValue()); |
| return asAddress; |
| } |
| } |