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/*
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.gson;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;
import java.util.TreeMap;
import javax.ws.rs.core.MediaType;
import org.junit.Test;
import org.onap.policy.common.gson.JacksonHandler;
import org.onap.policy.common.gson.annotation.GsonJsonAnyGetter;
import org.onap.policy.common.gson.annotation.GsonJsonAnySetter;
public class JacksonHandlerTest {
@Test
public void test() throws Exception {
JacksonHandler hdlr = new JacksonHandler();
assertTrue(hdlr.isReadable(null, null, null, MediaType.APPLICATION_JSON_TYPE));
assertFalse(hdlr.isReadable(null, null, null, MediaType.TEXT_PLAIN_TYPE));
JsonObject expected = new JsonObject();
expected.addProperty("myId", 100);
expected.addProperty("value", "a value");
expected.addProperty("abc", "def");
expected.addProperty("hello", "world");
Data data = new Data();
data.id = 10;
data.value = "a value";
data.props = new HashMap<>();
data.props.put("abc", "def");
data.props.put("hello", "world");
/*
* Ensure everything serializes as expected.
*/
ByteArrayOutputStream outstr = new ByteArrayOutputStream();
hdlr.writeTo(data, Data.class, Data.class, null, null, null, outstr);
StringReader rdr = new StringReader(outstr.toString("UTF-8"));
JsonObject json = new Gson().fromJson(rdr, JsonObject.class);
assertEquals(expected, json);
/*
* Ensure everything deserializes as expected.
*/
Data data2 = (Data) hdlr.readFrom(Object.class, Data.class, null, null, null,
new ByteArrayInputStream(outstr.toByteArray()));
// id is not serialized, so we must copy it manually before comparing
data2.id = data.id;
assertEquals(data.toString(), data2.toString());
}
/**
* This class includes all policy-specific gson annotations.
*/
public static class Data {
protected int id;
protected String value;
protected Map<String, String> props;
public int getMyId() {
return 100;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
@GsonJsonAnyGetter
public Map<String, String> getProps() {
return props;
}
/**
* Sets a property.
* @param name property name
* @param value new value
*/
@GsonJsonAnySetter
public void setProperty(String name, String value) {
if (props == null) {
props = new TreeMap<>();
}
props.put(name, value);
}
@Override
public String toString() {
return "Data [id=" + id + ", value=" + value + ", props=" + props + "]";
}
}
}
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