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/*
* Copyright 2014 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.codec;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.google.common.collect.ImmutableList;
import org.junit.Test;
import java.util.List;
import java.util.Objects;
import static org.junit.Assert.assertEquals;
/**
* Test of the base JSON codec abstraction.
*/
public class JsonCodecTest {
private static class Foo {
final String name;
Foo(String name) {
this.name = name;
}
@Override
public int hashCode() {
return Objects.hash(name);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
final Foo other = (Foo) obj;
return Objects.equals(this.name, other.name);
}
}
private static class FooCodec extends JsonCodec<Foo> {
@Override
public ObjectNode encode(Foo entity, CodecContext context) {
return context.mapper().createObjectNode().put("name", entity.name);
}
@Override
public Foo decode(ObjectNode json, CodecContext context) {
return new Foo(json.get("name").asText());
}
}
@Test
public void encode() {
Foo f1 = new Foo("foo");
Foo f2 = new Foo("bar");
FooCodec codec = new FooCodec();
ImmutableList<Foo> entities = ImmutableList.of(f1, f2);
ArrayNode json = codec.encode(entities, new TestContext());
List<Foo> foos = codec.decode(json, new TestContext());
assertEquals("incorrect encode/decode", entities, foos);
}
private class TestContext implements CodecContext {
private ObjectMapper mapper = new ObjectMapper();
@Override
public ObjectMapper mapper() {
return mapper;
}
@Override
public <T> JsonCodec<T> codec(Class<T> entityClass) {
return null;
}
@Override
public <T> T getService(Class<T> serviceClass) {
return null;
}
}
}
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