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/*
* Copyright (C) 2010 Google Inc.
*
* 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.
*/
package com.google.gson.protobuf.functional;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import com.google.common.base.CaseFormat;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonObject;
import com.google.gson.protobuf.ProtoTypeAdapter;
import com.google.gson.protobuf.ProtoTypeAdapter.EnumSerialization;
import com.google.gson.protobuf.generated.Bag.ProtoWithDifferentCaseFormat;
import com.google.gson.protobuf.generated.Bag.ProtoWithRepeatedFields;
import com.google.gson.protobuf.generated.Bag.SimpleProto;
import com.google.protobuf.GeneratedMessageV3;
import org.junit.Before;
import org.junit.Test;
/**
* Functional tests for protocol buffers using complex and repeated fields
*
* @author Inderjeet Singh
*/
public class ProtosWithComplexAndRepeatedFieldsTest {
private Gson gson;
private Gson upperCamelGson;
@Before
public void setUp() throws Exception {
gson =
new GsonBuilder()
.registerTypeHierarchyAdapter(GeneratedMessageV3.class,
ProtoTypeAdapter.newBuilder()
.setEnumSerialization(EnumSerialization.NUMBER)
.build())
.create();
upperCamelGson =
new GsonBuilder()
.registerTypeHierarchyAdapter(
GeneratedMessageV3.class, ProtoTypeAdapter.newBuilder()
.setFieldNameSerializationFormat(
CaseFormat.LOWER_UNDERSCORE, CaseFormat.UPPER_CAMEL)
.build())
.create();
}
@Test
public void testSerializeRepeatedFields() {
ProtoWithRepeatedFields proto = ProtoWithRepeatedFields.newBuilder()
.addNumbers(2)
.addNumbers(3)
.addSimples(SimpleProto.newBuilder().setMsg("foo").build())
.addSimples(SimpleProto.newBuilder().setCount(3).build())
.build();
String json = gson.toJson(proto);
assertTrue(json.contains("[2,3]"));
assertTrue(json.contains("foo"));
assertTrue(json.contains("count"));
}
@Test
public void testDeserializeRepeatedFieldsProto() {
String json = "{numbers:[4,6],simples:[{msg:'bar'},{count:7}]}";
ProtoWithRepeatedFields proto =
gson.fromJson(json, ProtoWithRepeatedFields.class);
assertEquals(4, proto.getNumbers(0));
assertEquals(6, proto.getNumbers(1));
assertEquals("bar", proto.getSimples(0).getMsg());
assertEquals(7, proto.getSimples(1).getCount());
}
@Test
public void testSerializeDifferentCaseFormat() {
final ProtoWithDifferentCaseFormat proto =
ProtoWithDifferentCaseFormat.newBuilder()
.setAnotherField("foo")
.addNameThatTestsCaseFormat("bar")
.build();
final JsonObject json = upperCamelGson.toJsonTree(proto).getAsJsonObject();
assertEquals("foo", json.get("AnotherField").getAsString());
assertEquals("bar", json.get("NameThatTestsCaseFormat").getAsJsonArray().get(0).getAsString());
}
@Test
public void testDeserializeDifferentCaseFormat() {
final String json = "{NameThatTestsCaseFormat:['bar'],AnotherField:'foo'}";
ProtoWithDifferentCaseFormat proto =
upperCamelGson.fromJson(json, ProtoWithDifferentCaseFormat.class);
assertEquals("foo", proto.getAnotherField());
assertEquals("bar", proto.getNameThatTestsCaseFormat(0));
}
}
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