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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.internal;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.junit.Before;
import org.junit.Test;
import org.onap.policy.common.gson.JacksonExclusionStrategy;
import org.onap.policy.common.gson.internal.AnyGetterSerializer;
import org.onap.policy.common.gson.internal.DataAdapterFactory.Data;
public class AnyGetterSerializerTest {
private static DataAdapterFactory dataAdapter = new DataAdapterFactory();
private static Gson gson = new GsonBuilder().registerTypeAdapterFactory(dataAdapter)
.setExclusionStrategies(new JacksonExclusionStrategy()).create();
private Set<String> set;
private AnyGetterSerializer ser;
/**
* Set up.
*
* @throws Exception if an error occurs
*/
@Before
public void setUp() throws Exception {
set = new HashSet<>(Arrays.asList("id", "value"));
ser = new AnyGetterSerializer(gson, set, MapData.class.getDeclaredMethod("getTheMap"));
}
@Test
public void testAddToTree_testCopyLiftedItems() throws Exception {
JsonObject tree = new JsonObject();
tree.addProperty("hello", "world");
MapData data = new MapData();
data.map = DataAdapterFactory.makeMap();
// this should not be copied because it is in the "set"
data.map.put("value", Arrays.asList(new Data(1000)));
dataAdapter.reset();
JsonObject tree2 = tree.deepCopy();
ser.addToTree(data, tree2);
assertTrue(dataAdapter.isDataWritten());
DataAdapterFactory.addToObject(tree);
assertEquals(tree.toString(), tree2.toString());
}
@Test
public void testAddToTree_NullMap() throws Exception {
JsonObject tree = new JsonObject();
tree.addProperty("hello", "world");
MapData data = new MapData();
// leave "map" unset
JsonObject tree2 = tree.deepCopy();
ser.addToTree(data, tree2);
assertEquals(tree.toString(), tree2.toString());
}
@Test
public void testAddToTree_NotAnObject() throws Exception {
ser = new AnyGetterSerializer(gson, set, NotAnObject.class.getDeclaredMethod("getNonMap"));
JsonObject tree = new JsonObject();
NotAnObject data = new NotAnObject();
data.text = "bye bye";
assertThatThrownBy(() -> ser.addToTree(data, tree)).isInstanceOf(JsonParseException.class)
.hasMessage(AnyGetterSerializer.NOT_AN_OBJECT_ERR + NotAnObject.class.getName() + ".getNonMap");
}
public static class MapData {
protected int id;
protected String value;
protected Map<String, List<Data>> map;
protected Map<String, List<Data>> getTheMap() {
return map;
}
}
/**
* The "lifted" property is not a JsonObject so it should throw an exception.
*/
public static class NotAnObject {
protected String text;
public String getNonMap() {
return text;
}
}
}
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