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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.utils.gson;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import com.google.gson.Gson;
import com.google.gson.TypeAdapter;
import com.google.gson.TypeAdapterFactory;
import com.google.gson.reflect.TypeToken;
import com.google.gson.stream.JsonWriter;
import java.io.IOException;
import org.junit.Before;
import org.junit.Test;
public class GsonTestUtilsBuilderTest {
private GsonTestUtils utils;
@Before
public void setUp() {
utils = new MyBuilder().build();
}
@Test
public void testBuilderAddMock() {
PreMock pre = mock(PreMock.class);
when(pre.getId()).thenReturn(2000);
assertEquals("{\"name\":2000}", utils.gsonEncode(pre));
}
/**
* Builder that provides an adapter for mock(PreMock.class).
*/
private static class MyBuilder extends GsonTestUtilsBuilder {
public MyBuilder() {
TypeAdapterFactory sgson = new TypeAdapterFactory() {
@Override
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
Class<? super T> clazz = type.getRawType();
if (PreMock.class.isAssignableFrom(clazz)) {
return new GsonSerializer<T>() {
@Override
public void write(JsonWriter out, T value) throws IOException {
PreMock obj = (PreMock) value;
out.beginObject().name("name").value(obj.getId()).endObject();
}
};
}
return null;
}
};
addMock(PreMock.class, sgson);
}
}
/**
* Class that will be mocked.
*/
public static class PreMock {
protected int id = 1000;
public int getId() {
return id;
}
}
}
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