| /* |
| * 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 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.mapping.DefaultMappingTreatment; |
| import org.onosproject.mapping.DefaultMappingValue; |
| import org.onosproject.mapping.MappingTreatment; |
| import org.onosproject.mapping.MappingValue; |
| import org.onosproject.mapping.actions.MappingAction; |
| import org.onosproject.mapping.actions.MappingActions; |
| 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 static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.is; |
| import static org.hamcrest.Matchers.notNullValue; |
| |
| /** |
| * Unit tests for MappingValueCodec. |
| */ |
| public class MappingValueCodecTest { |
| |
| private static final String TREATMENTS = "treatments"; |
| private static final String ADDRESS = "address"; |
| private static final String IPV4_STRING = "1.2.3.4"; |
| private static final String PORT_STRING = "32"; |
| private static final IpPrefix IPV4_PREFIX = |
| IpPrefix.valueOf(IPV4_STRING + "/" + PORT_STRING); |
| |
| 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 CodecContext context; |
| private JsonCodec<MappingValue> valueCodec; |
| private MappingCodecRegistrator registrator; |
| |
| /** |
| * Sets up for each test. |
| * Creates a context and fetches the mapping value codec. |
| */ |
| @Before |
| public void setUp() { |
| CodecManager manager = new CodecManager(); |
| registrator = new MappingCodecRegistrator(); |
| registrator.codecService = manager; |
| registrator.activate(); |
| |
| context = new MappingCodecContextAdapter(registrator.codecService); |
| valueCodec = context.codec(MappingValue.class); |
| assertThat(valueCodec, notNullValue()); |
| } |
| |
| /** |
| * Deactivates the codec registrator. |
| */ |
| @After |
| public void tearDown() { |
| registrator.deactivate(); |
| } |
| |
| /** |
| * Tests encoding of a mapping value object. |
| */ |
| @Test |
| public void testMappingValueEncode() { |
| 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.ipv4MappingAddress(IPV4_PREFIX); |
| |
| MappingTreatment treatment = DefaultMappingTreatment.builder() |
| .add(unicastWeight) |
| .add(unicastPriority) |
| .add(multicastWeight) |
| .add(multicastPriority) |
| .withAddress(address) |
| .build(); |
| |
| MappingAction action = MappingActions.noAction(); |
| |
| MappingValue value = DefaultMappingValue.builder() |
| .add(treatment) |
| .withAction(action) |
| .build(); |
| |
| ObjectNode valueJson = valueCodec.encode(value, context); |
| assertThat(valueJson, MappingValueJsonMatcher.matchesMappingValue(value)); |
| } |
| |
| /** |
| * Tests decoding of a mapping value JSON object. |
| */ |
| @Test |
| public void testMappingValueDecode() throws IOException { |
| MappingValue value = getValue("MappingValue.json"); |
| assertThat(value.treatments().get(0).address().toString(), |
| is("IPV4:" + IPV4_STRING + "/" + PORT_STRING)); |
| } |
| |
| |
| /** |
| * Hamcrest matcher for mapping value. |
| */ |
| public static final class MappingValueJsonMatcher |
| extends TypeSafeDiagnosingMatcher<JsonNode> { |
| |
| private final MappingValue mappingValue; |
| |
| /** |
| * A default constructor. |
| * |
| * @param mappingValue mapping value |
| */ |
| private MappingValueJsonMatcher(MappingValue mappingValue) { |
| this.mappingValue = mappingValue; |
| } |
| |
| @Override |
| protected boolean matchesSafely(JsonNode jsonNode, Description description) { |
| |
| // check mapping treatments |
| final JsonNode jsonTreatments = jsonNode.get(TREATMENTS); |
| if (mappingValue.treatments().size() != jsonTreatments.size()) { |
| description.appendText("mapping treatments array size of " + |
| Integer.toString(mappingValue.treatments().size())); |
| return false; |
| } |
| |
| for (final MappingTreatment treatment : mappingValue.treatments()) { |
| boolean treatmentFound = false; |
| for (int treatmentIdx = 0; treatmentIdx < jsonTreatments.size(); |
| treatmentIdx++) { |
| final String jsonAddress = |
| jsonTreatments.get(treatmentIdx).get(ADDRESS) |
| .get(MappingAddressCodec.IPV4).textValue(); |
| final String address = treatment.address().toString(); |
| if (address.contains(jsonAddress)) { |
| treatmentFound = true; |
| } |
| } |
| |
| if (!treatmentFound) { |
| description.appendText("mapping treatment " + treatment.toString()); |
| return false; |
| } |
| } |
| |
| // check mapping action |
| final JsonNode jsonActionNode = jsonNode.get(MappingValueCodec.ACTION); |
| |
| assertThat(jsonActionNode, MappingActionJsonMatcher.matchesAction(mappingValue.action())); |
| |
| return true; |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText(mappingValue.toString()); |
| } |
| |
| /** |
| * Factory to allocate a mapping value. |
| * |
| * @param mappingValue mapping value object we are looking for |
| * @return matcher |
| */ |
| static MappingValueJsonMatcher matchesMappingValue(MappingValue mappingValue) { |
| return new MappingValueJsonMatcher(mappingValue); |
| } |
| } |
| |
| /** |
| * Reads in a mapping value from the given resource and decodes it. |
| * |
| * @param resourceName resource to use to read the JSON for the rule |
| * @return decoded mappingKey |
| * @throws IOException if processing the resource fails |
| */ |
| private MappingValue getValue(String resourceName) throws IOException { |
| InputStream jsonStream = MappingValueCodecTest.class.getResourceAsStream(resourceName); |
| JsonNode json = context.mapper().readTree(jsonStream); |
| assertThat(json, notNullValue()); |
| MappingValue value = valueCodec.decode((ObjectNode) json, context); |
| assertThat(value, notNullValue()); |
| return value; |
| } |
| } |