| /* |
| * 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 com.google.common.collect.ImmutableList; |
| import com.google.common.testing.EqualsTester; |
| 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.LispMappingExtensionCodecRegistrator; |
| import org.onosproject.drivers.lisp.extensions.LispTeAddress; |
| import org.onosproject.mapping.addresses.MappingAddresses; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.notNullValue; |
| |
| /** |
| * LISP traffic engineering address codec. |
| */ |
| public class LispTeAddressCodecTest { |
| |
| private static final boolean LOOKUP_1 = true; |
| private static final boolean RLOC_PROBE_1 = true; |
| private static final boolean STRICT_1 = true; |
| private static final IpPrefix IPV4_ADDRESS_1 = IpPrefix.valueOf("10.1.1.1/24"); |
| |
| private static final boolean LOOKUP_2 = false; |
| private static final boolean RLOC_PROBE_2 = false; |
| private static final boolean STRICT_2 = false; |
| private static final IpPrefix IPV4_ADDRESS_2 = IpPrefix.valueOf("10.1.1.2/24"); |
| |
| private LispTeAddress.TeRecord record1; |
| private LispTeAddress.TeRecord record2; |
| |
| private CodecContext context; |
| private JsonCodec<LispTeAddress> teAddressCodec; |
| private LispMappingExtensionCodecRegistrator registrator; |
| |
| /** |
| * Sets up for each test. |
| * Creates a context and fetches the LispTeAddress codec. |
| */ |
| @Before |
| public void setUp() { |
| CodecManager manager = new CodecManager(); |
| registrator = new LispMappingExtensionCodecRegistrator(); |
| registrator.codecService = manager; |
| registrator.activate(); |
| |
| context = new LispMappingExtensionCodecContextAdapter(registrator.codecService); |
| teAddressCodec = context.codec(LispTeAddress.class); |
| assertThat("Traffic Engineering address codec should not be null", |
| teAddressCodec, notNullValue()); |
| |
| record1 = new LispTeAddress.TeRecord.Builder() |
| .withIsLookup(LOOKUP_1) |
| .withIsRlocProbe(RLOC_PROBE_1) |
| .withIsStrict(STRICT_1) |
| .withRtrRlocAddress(MappingAddresses.ipv4MappingAddress(IPV4_ADDRESS_1)) |
| .build(); |
| |
| record2 = new LispTeAddress.TeRecord.Builder() |
| .withIsLookup(LOOKUP_2) |
| .withIsRlocProbe(RLOC_PROBE_2) |
| .withIsStrict(STRICT_2) |
| .withRtrRlocAddress(MappingAddresses.ipv4MappingAddress(IPV4_ADDRESS_2)) |
| .build(); |
| } |
| |
| /** |
| * Deactivates the codec registrator. |
| */ |
| @After |
| public void tearDown() { |
| registrator.deactivate(); |
| } |
| |
| /** |
| * Tests encoding of a LispTeAddress object. |
| */ |
| @Test |
| public void testLispTeAddressEncode() { |
| |
| LispTeAddress address = new LispTeAddress.Builder() |
| .withTeRecords(ImmutableList.of(record1, record2)) |
| .build(); |
| |
| ObjectNode addressJson = teAddressCodec.encode(address, context); |
| assertThat("errors in encoding Traffic Engineering address JSON", |
| addressJson, LispTeAddressJsonMatcher.matchesTeAddress(address)); |
| } |
| |
| /** |
| * Tests decoding of a LispTeAddress JSON object. |
| */ |
| @Test |
| public void testLispTeAddressDecode() throws IOException { |
| |
| LispTeAddress address = getLispTeAddress("LispTeAddress.json"); |
| |
| new EqualsTester() |
| .addEqualityGroup(address.getTeRecords().get(0), record1) |
| .addEqualityGroup(address.getTeRecords().get(1), record2).testEquals(); |
| } |
| |
| /** |
| * Hamcrest matcher for LispTeAddress. |
| */ |
| public static final class LispTeAddressJsonMatcher |
| extends TypeSafeDiagnosingMatcher<JsonNode> { |
| |
| private final LispTeAddress address; |
| |
| /** |
| * Default constructor. |
| * |
| * @param address LispTeAddress object |
| */ |
| private LispTeAddressJsonMatcher(LispTeAddress address) { |
| this.address = address; |
| } |
| |
| private int filteredSize(JsonNode node) { |
| return node.size(); |
| } |
| |
| @Override |
| protected boolean matchesSafely(JsonNode jsonNode, Description description) { |
| |
| // check TE records |
| final JsonNode jsonTeRecords = jsonNode.get(LispTeAddressCodec.TE_RECORDS); |
| |
| if (address.getTeRecords().size() != filteredSize(jsonTeRecords)) { |
| description.appendText("TE records array size of " + |
| Integer.toString(address.getTeRecords().size())); |
| return false; |
| } |
| |
| for (int recordIndex = 0; recordIndex < jsonTeRecords.size(); recordIndex++) { |
| assertThat(jsonTeRecords.get(recordIndex), |
| LispTeRecordJsonMatcher.matchesTeRecord(address.getTeRecords().get(recordIndex))); |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText(address.toString()); |
| } |
| |
| /** |
| * Factory to allocate a LispTeAddress matcher. |
| * |
| * @param address LispTeAddress object we are looking for |
| * @return matcher |
| */ |
| public static LispTeAddressJsonMatcher matchesTeAddress(LispTeAddress address) { |
| return new LispTeAddressJsonMatcher(address); |
| } |
| } |
| |
| /** |
| * Reads in a LispTeAddress from the given resource and decodes it. |
| * |
| * @param resourceName resource to use to read the JSON for the rule |
| * @return decoded LispTeAddress |
| * @throws IOException if processing the resource fails |
| */ |
| private LispTeAddress getLispTeAddress(String resourceName) throws IOException { |
| InputStream jsonStream = LispTeAddressCodecTest.class.getResourceAsStream(resourceName); |
| JsonNode json = context.mapper().readTree(jsonStream); |
| assertThat("JSON string should not be null", json, notNullValue()); |
| LispTeAddress teAddress = teAddressCodec.decode((ObjectNode) json, context); |
| assertThat("decoded address should not be null", teAddress, notNullValue()); |
| return teAddress; |
| } |
| } |