| /* |
| * 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.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.instructions.MappingInstruction; |
| import org.onosproject.mapping.instructions.MappingInstructions; |
| import org.onosproject.mapping.instructions.MulticastMappingInstruction; |
| import org.onosproject.mapping.instructions.UnicastMappingInstruction; |
| 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; |
| import static org.onosproject.mapping.codec.MappingInstructionJsonMatcher.matchesInstruction; |
| |
| /** |
| * Unit tests for MappingInstructionCodec. |
| */ |
| public class MappingInstructionCodecTest { |
| |
| private CodecContext context; |
| private JsonCodec<MappingInstruction> instructionCodec; |
| private MappingCodecRegistrator registrator; |
| |
| 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 UNICAST_TYPE_STRING = "UNICAST"; |
| private static final String WEIGHT_SUBTYPE_STRING = "WEIGHT"; |
| |
| /** |
| * Sets up for each test. |
| * Creates a context and fetches the mapping instruction codec. |
| */ |
| @Before |
| public void setUp() { |
| CodecManager manager = new CodecManager(); |
| registrator = new MappingCodecRegistrator(); |
| registrator.codecService = manager; |
| registrator.activate(); |
| |
| context = new MappingCodecContextAdapter(registrator.codecService); |
| |
| instructionCodec = context.codec(MappingInstruction.class); |
| assertThat(instructionCodec, notNullValue()); |
| } |
| |
| @After |
| public void tearDown() { |
| registrator.deactivate(); |
| } |
| |
| /** |
| * Tests the encoding of unicast weight instruction. |
| */ |
| @Test |
| public void unicastWeightInstrutionTest() { |
| final UnicastMappingInstruction.WeightMappingInstruction instruction = |
| (UnicastMappingInstruction.WeightMappingInstruction) |
| MappingInstructions.unicastWeight(UNICAST_WEIGHT); |
| final ObjectNode instructionJson = |
| instructionCodec.encode(instruction, context); |
| assertThat(instructionJson, matchesInstruction(instruction)); |
| } |
| |
| /** |
| * Tests the encoding of unicast priority instruction. |
| */ |
| @Test |
| public void unicastPriorityInstructionTest() { |
| final UnicastMappingInstruction.PriorityMappingInstruction instruction = |
| (UnicastMappingInstruction.PriorityMappingInstruction) |
| MappingInstructions.unicastPriority(UNICAST_PRIORITY); |
| final ObjectNode instructionJson = |
| instructionCodec.encode(instruction, context); |
| assertThat(instructionJson, matchesInstruction(instruction)); |
| } |
| |
| /** |
| * Tests the encoding of multicast weight instruction. |
| */ |
| @Test |
| public void multicastWeightInstructionTest() { |
| final MulticastMappingInstruction.WeightMappingInstruction instruction = |
| (MulticastMappingInstruction.WeightMappingInstruction) |
| MappingInstructions.multicastWeight(MULTICAST_WEIGHT); |
| final ObjectNode instructionJson = |
| instructionCodec.encode(instruction, context); |
| assertThat(instructionJson, matchesInstruction(instruction)); |
| } |
| |
| /** |
| * Tests the encoding of multicast priority instruction. |
| */ |
| @Test |
| public void multicastPriorityInstructionTest() { |
| final MulticastMappingInstruction.PriorityMappingInstruction instruction = |
| (MulticastMappingInstruction.PriorityMappingInstruction) |
| MappingInstructions.multicastPriority(MULTICAST_PRIORITY); |
| final ObjectNode instructionJson = |
| instructionCodec.encode(instruction, context); |
| assertThat(instructionJson, matchesInstruction(instruction)); |
| } |
| |
| /** |
| * Tests the decoding of mapping instruction from JSON object. |
| * |
| * @throws IOException if processing the resource fails |
| */ |
| @Test |
| public void testMappingInstructionDecode() throws IOException { |
| UnicastMappingInstruction instruction = (UnicastMappingInstruction) getInstruction("MappingInstruction.json"); |
| assertThat(instruction.type().toString(), is(UNICAST_TYPE_STRING)); |
| assertThat(instruction.subtype().toString(), is(WEIGHT_SUBTYPE_STRING)); |
| } |
| |
| /** |
| * Reads in a mapping instruction from the given resource and decodes it. |
| * |
| * @param resourceName resource to use to read the JSON for the rule |
| * @return decoded mappingInstruction |
| * @throws IOException if processing the resource fails |
| */ |
| private MappingInstruction getInstruction(String resourceName) throws IOException { |
| InputStream jsonStream = MappingInstructionCodecTest.class.getResourceAsStream(resourceName); |
| JsonNode json = context.mapper().readTree(jsonStream); |
| assertThat(json, notNullValue()); |
| MappingInstruction instruction = instructionCodec.decode((ObjectNode) json, context); |
| assertThat(instruction, notNullValue()); |
| return instruction; |
| } |
| } |