Thomas Vachuska | d404c51 | 2014-10-23 14:19:46 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | * or more contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. The ASF licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.onlab.onos.codec; |
| 20 | |
| 21 | import com.fasterxml.jackson.databind.ObjectMapper; |
| 22 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 23 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 24 | import com.google.common.collect.ImmutableList; |
| 25 | import org.junit.Test; |
| 26 | |
| 27 | import java.util.List; |
| 28 | import java.util.Objects; |
| 29 | |
| 30 | import static org.junit.Assert.assertEquals; |
| 31 | |
| 32 | /** |
| 33 | * Test of the base JSON codec abstraction. |
| 34 | */ |
| 35 | public class JsonCodecTest { |
| 36 | |
| 37 | private static class Foo { |
| 38 | final String name; |
| 39 | |
| 40 | Foo(String name) { |
| 41 | this.name = name; |
| 42 | } |
| 43 | |
| 44 | @Override |
| 45 | public int hashCode() { |
| 46 | return Objects.hash(name); |
| 47 | } |
| 48 | |
| 49 | @Override |
| 50 | public boolean equals(Object obj) { |
| 51 | if (this == obj) { |
| 52 | return true; |
| 53 | } |
| 54 | if (obj == null || getClass() != obj.getClass()) { |
| 55 | return false; |
| 56 | } |
| 57 | final Foo other = (Foo) obj; |
| 58 | return Objects.equals(this.name, other.name); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | private static class FooCodec extends JsonCodec<Foo> { |
| 63 | @Override |
| 64 | public ObjectNode encode(Foo entity, ObjectMapper mapper) { |
| 65 | return mapper.createObjectNode().put("name", entity.name); |
| 66 | } |
| 67 | |
| 68 | @Override |
| 69 | public Foo decode(ObjectNode json) { |
| 70 | return new Foo(json.get("name").asText()); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | @Test |
| 75 | public void encode() { |
| 76 | Foo f1 = new Foo("foo"); |
| 77 | Foo f2 = new Foo("bar"); |
| 78 | FooCodec codec = new FooCodec(); |
| 79 | ImmutableList<Foo> entities = ImmutableList.of(f1, f2); |
| 80 | ArrayNode json = codec.encode(entities, new ObjectMapper()); |
| 81 | List<Foo> foos = codec.decode(json); |
| 82 | assertEquals("incorrect encode/decode", entities, foos); |
| 83 | } |
| 84 | |
| 85 | } |