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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2021 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.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.junit.Assert.assertEquals;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonParseException;
import java.time.OffsetDateTime;
import lombok.ToString;
import org.junit.Test;
public class OffsetDateTimeAdapterTest {
private static Gson gson =
new GsonBuilder().registerTypeAdapter(OffsetDateTime.class, new OffsetDateTimeTypeAdapter()).create();
private static final String TEST_DATE = "2020-01-01T12:00:00.999+05:00";
@Test
public void test() {
InterestingFields data = new InterestingFields();
data.date = OffsetDateTime.parse(TEST_DATE);
String json = gson.toJson(data);
// instant should be encoded as a number, without quotes
assertThat(json).doesNotContain("year").contains(TEST_DATE);
InterestingFields data2 = gson.fromJson(json, InterestingFields.class);
assertEquals(data.toString(), data2.toString());
// try when the date-time string is invalid
String json2 = json.replace("2020", "invalid-date");
assertThatThrownBy(() -> gson.fromJson(json2, InterestingFields.class)).isInstanceOf(JsonParseException.class)
.hasMessageContaining("invalid date");
// null output
data.date = null;
json = gson.toJson(data);
data2 = gson.fromJson(json, InterestingFields.class);
assertEquals(data.toString(), data2.toString());
// null input
data2 = gson.fromJson("{\"date\":null}", InterestingFields.class);
assertEquals(data.toString(), data2.toString());
}
@ToString
private static class InterestingFields {
private OffsetDateTime date;
}
}
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