| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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.mapping.codec; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.ImmutableSet; |
| import org.hamcrest.Description; |
| import org.hamcrest.TypeSafeDiagnosingMatcher; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.codec.impl.CodecManager; |
| import org.onosproject.mapping.DefaultMappingTreatment; |
| import org.onosproject.mapping.MappingTreatment; |
| import org.onosproject.mapping.addresses.MappingAddress; |
| import org.onosproject.mapping.addresses.MappingAddresses; |
| import org.onosproject.mapping.instructions.MappingInstruction; |
| import org.onosproject.mapping.instructions.MappingInstructions; |
| import org.onosproject.mapping.MappingCodecRegistrator; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.List; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.is; |
| import static org.hamcrest.Matchers.notNullValue; |
| |
| /** |
| * Unit tests for MappingTreatmentCodec. |
| */ |
| public class MappingTreatmentCodecTest { |
| |
| private static final String INSTRUCTIONS = "instructions"; |
| private static final String TYPE = "type"; |
| |
| private static final int UNICAST_WEIGHT = 1; |
| private static final int UNICAST_PRIORITY = 1; |
| private static final int MULTICAST_WEIGHT = 2; |
| private static final int MULTICAST_PRIORITY = 2; |
| private static final String ASN_NUMBER = "ASN2000"; |
| |
| private CodecContext context; |
| private JsonCodec<MappingTreatment> treatmentCodec; |
| private MappingCodecRegistrator registrator; |
| |
| /** |
| * Sets up for each test. |
| * Creates a context and fetches the mapping action codec. |
| */ |
| @Before |
| public void setUp() { |
| CodecManager manager = new CodecManager(); |
| registrator = new MappingCodecRegistrator(); |
| registrator.codecService = manager; |
| registrator.activate(); |
| |
| context = new MappingCodecContextAdapter(registrator.codecService); |
| treatmentCodec = context.codec(MappingTreatment.class); |
| assertThat(treatmentCodec, notNullValue()); |
| } |
| |
| /** |
| * Deactivates the codec registrator. |
| */ |
| @After |
| public void tearDown() { |
| registrator.deactivate(); |
| } |
| |
| /** |
| * Tests encoding of a mapping treatment object. |
| */ |
| @Test |
| public void testMappingTreatmentEncode() { |
| MappingInstruction unicastWeight = MappingInstructions.unicastWeight(UNICAST_WEIGHT); |
| MappingInstruction unicastPriority = MappingInstructions.unicastPriority(UNICAST_PRIORITY); |
| MappingInstruction multicastWeight = MappingInstructions.multicastWeight(MULTICAST_WEIGHT); |
| MappingInstruction multicastPriority = MappingInstructions.multicastPriority(MULTICAST_PRIORITY); |
| |
| MappingAddress address = MappingAddresses.asMappingAddress(ASN_NUMBER); |
| |
| MappingTreatment treatment = DefaultMappingTreatment.builder() |
| .add(unicastWeight) |
| .add(unicastPriority) |
| .add(multicastWeight) |
| .add(multicastPriority) |
| .withAddress(address) |
| .build(); |
| |
| ObjectNode treatmentJson = treatmentCodec.encode(treatment, context); |
| assertThat(treatmentJson, MappingTreatmentJsonMatcher.matchesMappingTreatment(treatment)); |
| } |
| |
| /** |
| * Tests decoding of a mapping treatment JSON object. |
| */ |
| @Test |
| public void testMappingTreatmentDecode() throws IOException { |
| MappingTreatment treatment = getTreatment("MappingTreatment.json"); |
| |
| List<MappingInstruction> insts = treatment.instructions(); |
| assertThat(insts.size(), is(2)); |
| |
| ImmutableSet<String> types = ImmutableSet.of("UNICAST", "MULTICAST"); |
| assertThat(types.contains(insts.get(0).type().name()), is(true)); |
| assertThat(types.contains(insts.get(1).type().name()), is(true)); |
| } |
| |
| /** |
| * Hamcrest matcher for mapping treatment. |
| */ |
| public static final class MappingTreatmentJsonMatcher |
| extends TypeSafeDiagnosingMatcher<JsonNode> { |
| |
| private final MappingTreatment mappingTreatment; |
| |
| /** |
| * A default constructor. |
| * |
| * @param mappingTreatment mapping treatment |
| */ |
| private MappingTreatmentJsonMatcher(MappingTreatment mappingTreatment) { |
| this.mappingTreatment = mappingTreatment; |
| } |
| |
| @Override |
| protected boolean matchesSafely(JsonNode jsonNode, Description description) { |
| |
| // check mapping instruction |
| final JsonNode jsonInstructions = jsonNode.get(INSTRUCTIONS); |
| if (mappingTreatment.instructions().size() != jsonInstructions.size()) { |
| description.appendText("mapping instructions array size of " + |
| Integer.toString(mappingTreatment.instructions().size())); |
| return false; |
| } |
| |
| for (final MappingInstruction instruction : mappingTreatment.instructions()) { |
| boolean instructionFound = false; |
| for (int instructionIdx = 0; instructionIdx < jsonInstructions.size(); |
| instructionIdx++) { |
| final String jsonType = |
| jsonInstructions.get(instructionIdx).get(TYPE).asText(); |
| final String instructionType = instruction.type().name(); |
| if (jsonType.equals(instructionType)) { |
| instructionFound = true; |
| } |
| } |
| if (!instructionFound) { |
| description.appendText("mapping instruction " + instruction.toString()); |
| return false; |
| } |
| } |
| |
| // check address |
| final JsonNode jsonAddressNode = jsonNode.get(MappingKeyCodec.ADDRESS); |
| |
| assertThat(jsonAddressNode, |
| MappingAddressJsonMatcher.matchesMappingAddress(mappingTreatment.address())); |
| |
| return true; |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText(mappingTreatment.toString()); |
| } |
| |
| /** |
| * Factory to allocate a mapping treatment. |
| * |
| * @param mappingTreatment mapping treatment object we are looking for |
| * @return matcher |
| */ |
| static MappingTreatmentJsonMatcher matchesMappingTreatment(MappingTreatment mappingTreatment) { |
| return new MappingTreatmentJsonMatcher(mappingTreatment); |
| } |
| } |
| |
| /** |
| * Reads in a mapping treatment from the given resource and decodes it. |
| * |
| * @param resourceName resource to use to read the JSON for the rule |
| * @return decoded mappingTreatment |
| * @throws IOException if processing the resource fails |
| */ |
| private MappingTreatment getTreatment(String resourceName) throws IOException { |
| InputStream jsonStream = MappingTreatmentCodecTest.class.getResourceAsStream(resourceName); |
| JsonNode json = context.mapper().readTree(jsonStream); |
| assertThat(json, notNullValue()); |
| MappingTreatment treatment = treatmentCodec.decode((ObjectNode) json, context); |
| assertThat(treatment, notNullValue()); |
| return treatment; |
| } |
| } |