gson-comments/proto/src/test/java/com/google/gson/protobuf/functional/ProtosWithAnnotationsTest.java

232 lines
8.3 KiB
Java

/*
* 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 com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import com.google.common.base.CaseFormat;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonParseException;
import com.google.gson.protobuf.ProtoTypeAdapter;
import com.google.gson.protobuf.ProtoTypeAdapter.EnumSerialization;
import com.google.gson.protobuf.generated.Annotations;
import com.google.gson.protobuf.generated.Bag.OuterMessage;
import com.google.gson.protobuf.generated.Bag.ProtoWithAnnotations;
import com.google.gson.protobuf.generated.Bag.ProtoWithAnnotations.InnerMessage;
import com.google.gson.protobuf.generated.Bag.ProtoWithAnnotations.InnerMessage.Data;
import com.google.gson.protobuf.generated.Bag.ProtoWithAnnotations.InnerMessage.Type;
import com.google.protobuf.GeneratedMessageV3;
import org.junit.Before;
import org.junit.Test;
/**
* Functional tests for protocol buffers using annotations for field names and enum values.
*
* @author Emmanuel Cron
*/
public class ProtosWithAnnotationsTest {
private Gson gson;
private Gson gsonWithEnumNumbers;
private Gson gsonWithLowerHyphen;
@Before
public void setUp() throws Exception {
ProtoTypeAdapter.Builder protoTypeAdapter = ProtoTypeAdapter.newBuilder()
.setEnumSerialization(EnumSerialization.NAME)
.addSerializedNameExtension(Annotations.serializedName)
.addSerializedEnumValueExtension(Annotations.serializedValue);
gson = new GsonBuilder()
.registerTypeHierarchyAdapter(GeneratedMessageV3.class, protoTypeAdapter.build())
.create();
gsonWithEnumNumbers = new GsonBuilder()
.registerTypeHierarchyAdapter(GeneratedMessageV3.class, protoTypeAdapter
.setEnumSerialization(EnumSerialization.NUMBER)
.build())
.create();
gsonWithLowerHyphen = new GsonBuilder()
.registerTypeHierarchyAdapter(GeneratedMessageV3.class, protoTypeAdapter
.setFieldNameSerializationFormat(CaseFormat.LOWER_UNDERSCORE, CaseFormat.LOWER_HYPHEN)
.build())
.create();
}
@Test
public void testProtoWithAnnotations_deserialize() {
String json = String.format("{ %n"
+ " \"id\":\"41e5e7fd6065d101b97018a465ffff01\",%n"
+ " \"expiration_date\":{ %n"
+ " \"month\":\"12\",%n"
+ " \"year\":\"2017\",%n"
+ " \"timeStamp\":\"9864653135687\",%n"
+ " \"countryCode5f55\":\"en_US\"%n"
+ " },%n"
// Don't define innerMessage1
+ " \"innerMessage2\":{ %n"
// Set a number as a string; it should work
+ " \"nIdCt\":\"98798465\",%n"
+ " \"content\":\"text/plain\",%n"
+ " \"$binary_data$\":[ %n"
+ " { %n"
+ " \"data\":\"OFIN8e9fhwoeh8((⁹8efywoih\",%n"
// Don't define width
+ " \"height\":665%n"
+ " },%n"
+ " { %n"
// Define as an int; it should work
+ " \"data\":65,%n"
+ " \"width\":-56684%n"
// Don't define height
+ " }%n"
+ " ]%n"
+ " },%n"
// Define a bunch of non recognizable data
+ " \"non_existing\":\"foobar\",%n"
+ " \"stillNot\":{ %n"
+ " \"bunch\":\"of_useless data\"%n"
+ " }%n"
+ "}");
ProtoWithAnnotations proto = gson.fromJson(json, ProtoWithAnnotations.class);
assertThat(proto.getId()).isEqualTo("41e5e7fd6065d101b97018a465ffff01");
assertThat(proto.getOuterMessage()).isEqualTo(OuterMessage.newBuilder()
.setMonth(12)
.setYear(2017)
.setLongTimestamp(9864653135687L)
.setCountryCode5F55("en_US")
.build());
assertThat(proto.hasInnerMessage1()).isFalse();
assertThat(proto.getInnerMessage2()).isEqualTo(InnerMessage.newBuilder()
.setNIdCt(98798465)
.setContent(Type.TEXT)
.addData(Data.newBuilder()
.setData("OFIN8e9fhwoeh8((⁹8efywoih")
.setHeight(665))
.addData(Data.newBuilder()
.setData("65")
.setWidth(-56684))
.build());
String rebuilt = gson.toJson(proto);
assertThat(rebuilt).isEqualTo("{"
+ "\"id\":\"41e5e7fd6065d101b97018a465ffff01\","
+ "\"expiration_date\":{"
+ "\"month\":12,"
+ "\"year\":2017,"
+ "\"timeStamp\":9864653135687,"
+ "\"countryCode5f55\":\"en_US\""
+ "},"
+ "\"innerMessage2\":{"
+ "\"nIdCt\":98798465,"
+ "\"content\":\"text/plain\","
+ "\"$binary_data$\":["
+ "{"
+ "\"data\":\"OFIN8e9fhwoeh8((⁹8efywoih\","
+ "\"height\":665"
+ "},"
+ "{"
+ "\"data\":\"65\","
+ "\"width\":-56684"
+ "}]}}");
}
@Test
public void testProtoWithAnnotations_deserializeUnknownEnumValue() {
String json = String.format("{ %n"
+ " \"content\":\"UNKNOWN\"%n"
+ "}");
InnerMessage proto = gson.fromJson(json, InnerMessage.class);
assertThat(proto.getContent()).isEqualTo(Type.UNKNOWN);
}
@Test
public void testProtoWithAnnotations_deserializeUnrecognizedEnumValue() {
String json = String.format("{ %n"
+ " \"content\":\"UNRECOGNIZED\"%n"
+ "}");
try {
gson.fromJson(json, InnerMessage.class);
assertWithMessage("Should have thrown").fail();
} catch (JsonParseException e) {
// expected
}
}
@Test
public void testProtoWithAnnotations_deserializeWithEnumNumbers() {
String json = String.format("{ %n"
+ " \"content\":\"0\"%n"
+ "}");
InnerMessage proto = gsonWithEnumNumbers.fromJson(json, InnerMessage.class);
assertThat(proto.getContent()).isEqualTo(Type.UNKNOWN);
String rebuilt = gsonWithEnumNumbers.toJson(proto);
assertThat(rebuilt).isEqualTo("{\"content\":0}");
json = String.format("{ %n"
+ " \"content\":\"2\"%n"
+ "}");
proto = gsonWithEnumNumbers.fromJson(json, InnerMessage.class);
assertThat(proto.getContent()).isEqualTo(Type.IMAGE);
rebuilt = gsonWithEnumNumbers.toJson(proto);
assertThat(rebuilt).isEqualTo("{\"content\":2}");
}
@Test
public void testProtoWithAnnotations_serialize() {
ProtoWithAnnotations proto = ProtoWithAnnotations.newBuilder()
.setId("09f3j20839h032y0329hf30932h0nffn")
.setOuterMessage(OuterMessage.newBuilder()
.setMonth(14)
.setYear(6650)
.setLongTimestamp(468406876880768L))
.setInnerMessage1(InnerMessage.newBuilder()
.setNIdCt(12)
.setContent(Type.IMAGE)
.addData(Data.newBuilder()
.setData("data$$")
.setWidth(200))
.addData(Data.newBuilder()
.setHeight(56)))
.build();
String json = gsonWithLowerHyphen.toJson(proto);
assertThat(json).isEqualTo(
"{\"id\":\"09f3j20839h032y0329hf30932h0nffn\","
+ "\"expiration_date\":{"
+ "\"month\":14,"
+ "\"year\":6650,"
+ "\"timeStamp\":468406876880768"
+ "},"
// This field should be using hyphens
+ "\"inner-message-1\":{"
+ "\"n--id-ct\":12,"
+ "\"content\":2,"
+ "\"$binary_data$\":["
+ "{"
+ "\"data\":\"data$$\","
+ "\"width\":200"
+ "},"
+ "{"
+ "\"height\":56"
+ "}]"
+ "}"
+ "}");
ProtoWithAnnotations rebuilt = gsonWithLowerHyphen.fromJson(json, ProtoWithAnnotations.class);
assertThat(rebuilt).isEqualTo(proto);
}
}