/*
* Copyright 2010 The Apache Software Foundation
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.hbase.rest.model;
import junit.framework.TestCase;
import org.apache.hadoop.hbase.testclassification.RestTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.rest.ProtobufMessageHandler;
import org.apache.hadoop.hbase.rest.provider.JAXBContextResolver;
import org.apache.hadoop.hbase.util.Base64;
import org.codehaus.jackson.jaxrs.JacksonJaxbJsonProvider;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.node.ObjectNode;
import org.junit.experimental.categories.Category;
import javax.ws.rs.core.MediaType;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
@Category({RestTests.class, SmallTests.class})
public abstract class TestModelBase<T> extends TestCase {
protected String AS_XML;
protected String AS_PB;
protected String AS_JSON;
protected JAXBContext context;
protected Class<?> clazz;
protected ObjectMapper mapper;
protected TestModelBase(Class<?> clazz) throws Exception {
super();
this.clazz = clazz;
context = new JAXBContextResolver().getContext(clazz);
mapper = new JacksonJaxbJsonProvider().locateMapper(clazz,
MediaType.APPLICATION_JSON_TYPE);
}
protected abstract T buildTestModel();
@SuppressWarnings("unused")
protected String toXML(T model) throws JAXBException {
StringWriter writer = new StringWriter();
context.createMarshaller().marshal(model, writer);
return writer.toString();
}
protected String toJSON(T model) throws JAXBException, IOException {
StringWriter writer = new StringWriter();
mapper.writeValue(writer, model);
// original marshaller, uncomment this and comment mapper to verify backward compatibility
// ((JSONJAXBContext)context).createJSONMarshaller().marshallToJSON(model, writer);
return writer.toString();
}
public T fromJSON(String json) throws JAXBException, IOException {
return (T)
mapper.readValue(json, clazz);
}
public T fromXML(String xml) throws JAXBException {
return (T)
context.createUnmarshaller().unmarshal(new StringReader(xml));
}
@SuppressWarnings("unused")
protected byte[] toPB(ProtobufMessageHandler model) {
return model.createProtobufOutput();
}
protected T fromPB(String pb) throws
Exception {
return (T)clazz.getMethod("getObjectFromMessage", byte[].class).invoke(
clazz.newInstance(),
Base64.decode(AS_PB));
}
protected abstract void checkModel(T model);
public void testBuildModel() throws Exception {
checkModel(buildTestModel());
}
public void testFromPB() throws Exception {
checkModel(fromPB(AS_PB));
}
public void testFromXML() throws Exception {
checkModel(fromXML(AS_XML));
}
public void testToXML() throws Exception {
assertEquals(AS_XML, toXML(buildTestModel()));
}
public void testToJSON() throws Exception {
try {
ObjectNode expObj = mapper.readValue(AS_JSON, ObjectNode.class);
ObjectNode actObj = mapper.readValue(toJSON(buildTestModel()), ObjectNode.class);
assertEquals(expObj, actObj);
} catch(Exception e) {
assertEquals(AS_JSON, toJSON(buildTestModel()));
}
}
public void testFromJSON() throws Exception {
checkModel(fromJSON(AS_JSON));
}
}