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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package prototext_test
import (
"testing"
"google.golang.org/protobuf/encoding/prototext"
"google.golang.org/protobuf/proto"
preg "google.golang.org/protobuf/reflect/protoregistry"
"google.golang.org/protobuf/encoding/testprotos/pb2"
"google.golang.org/protobuf/types/known/anypb"
"google.golang.org/protobuf/types/known/durationpb"
"google.golang.org/protobuf/types/known/emptypb"
"google.golang.org/protobuf/types/known/structpb"
"google.golang.org/protobuf/types/known/timestamppb"
"google.golang.org/protobuf/types/known/wrapperspb"
)
func TestRoundTrip(t *testing.T) {
tests := []struct {
desc string
resolver *preg.Types
message proto.Message
}{{
desc: "well-known type fields set to empty messages",
message: &pb2.KnownTypes{
OptBool: &wrapperspb.BoolValue{},
OptInt32: &wrapperspb.Int32Value{},
OptInt64: &wrapperspb.Int64Value{},
OptUint32: &wrapperspb.UInt32Value{},
OptUint64: &wrapperspb.UInt64Value{},
OptFloat: &wrapperspb.FloatValue{},
OptDouble: &wrapperspb.DoubleValue{},
OptString: &wrapperspb.StringValue{},
OptBytes: &wrapperspb.BytesValue{},
OptDuration: &durationpb.Duration{},
OptTimestamp: &timestamppb.Timestamp{},
OptStruct: &structpb.Struct{},
OptList: &structpb.ListValue{},
OptValue: &structpb.Value{},
OptEmpty: &emptypb.Empty{},
OptAny: &anypb.Any{},
},
}, {
desc: "well-known type scalar fields",
message: &pb2.KnownTypes{
OptBool: &wrapperspb.BoolValue{
Value: true,
},
OptInt32: &wrapperspb.Int32Value{
Value: -42,
},
OptInt64: &wrapperspb.Int64Value{
Value: -42,
},
OptUint32: &wrapperspb.UInt32Value{
Value: 0xff,
},
OptUint64: &wrapperspb.UInt64Value{
Value: 0xffff,
},
OptFloat: &wrapperspb.FloatValue{
Value: 1.234,
},
OptDouble: &wrapperspb.DoubleValue{
Value: 1.23e308,
},
OptString: &wrapperspb.StringValue{
Value: "谷歌",
},
OptBytes: &wrapperspb.BytesValue{
Value: []byte("\xe8\xb0\xb7\xe6\xad\x8c"),
},
},
}, {
desc: "well-known type time-related fields",
message: &pb2.KnownTypes{
OptDuration: &durationpb.Duration{
Seconds: -3600,
Nanos: -123,
},
OptTimestamp: &timestamppb.Timestamp{
Seconds: 1257894000,
Nanos: 123,
},
},
}, {
desc: "Struct field and different Value types",
message: &pb2.KnownTypes{
OptStruct: &structpb.Struct{
Fields: map[string]*structpb.Value{
"bool": &structpb.Value{
Kind: &structpb.Value_BoolValue{
BoolValue: true,
},
},
"double": &structpb.Value{
Kind: &structpb.Value_NumberValue{
NumberValue: 3.1415,
},
},
"null": &structpb.Value{
Kind: &structpb.Value_NullValue{
NullValue: structpb.NullValue_NULL_VALUE,
},
},
"string": &structpb.Value{
Kind: &structpb.Value_StringValue{
StringValue: "string",
},
},
"struct": &structpb.Value{
Kind: &structpb.Value_StructValue{
StructValue: &structpb.Struct{
Fields: map[string]*structpb.Value{
"bool": &structpb.Value{
Kind: &structpb.Value_BoolValue{
BoolValue: false,
},
},
},
},
},
},
"list": &structpb.Value{
Kind: &structpb.Value_ListValue{
ListValue: &structpb.ListValue{
Values: []*structpb.Value{
{
Kind: &structpb.Value_BoolValue{
BoolValue: false,
},
},
{
Kind: &structpb.Value_StringValue{
StringValue: "hello",
},
},
},
},
},
},
},
},
},
}, {
desc: "Any field without registered type",
resolver: new(preg.Types),
message: func() proto.Message {
m := &pb2.Nested{
OptString: proto.String("embedded inside Any"),
OptNested: &pb2.Nested{
OptString: proto.String("inception"),
},
}
b, err := proto.MarshalOptions{Deterministic: true}.Marshal(m)
if err != nil {
t.Fatalf("error in binary marshaling message for Any.value: %v", err)
}
return &pb2.KnownTypes{
OptAny: &anypb.Any{
TypeUrl: string(m.ProtoReflect().Descriptor().FullName()),
Value: b,
},
}
}(),
}, {
desc: "Any field with registered type",
message: func() *pb2.KnownTypes {
m := &pb2.Nested{
OptString: proto.String("embedded inside Any"),
OptNested: &pb2.Nested{
OptString: proto.String("inception"),
},
}
b, err := proto.MarshalOptions{Deterministic: true}.Marshal(m)
if err != nil {
t.Fatalf("error in binary marshaling message for Any.value: %v", err)
}
return &pb2.KnownTypes{
OptAny: &anypb.Any{
TypeUrl: string(m.ProtoReflect().Descriptor().FullName()),
Value: b,
},
}
}(),
}, {
desc: "Any field containing Any message",
message: func() *pb2.KnownTypes {
m1 := &pb2.Nested{
OptString: proto.String("message inside Any of another Any field"),
}
b1, err := proto.MarshalOptions{Deterministic: true}.Marshal(m1)
if err != nil {
t.Fatalf("error in binary marshaling message for Any.value: %v", err)
}
m2 := &anypb.Any{
TypeUrl: "pb2.Nested",
Value: b1,
}
b2, err := proto.MarshalOptions{Deterministic: true}.Marshal(m2)
if err != nil {
t.Fatalf("error in binary marshaling message for Any.value: %v", err)
}
return &pb2.KnownTypes{
OptAny: &anypb.Any{
TypeUrl: "google.protobuf.Any",
Value: b2,
},
}
}(),
}}
for _, tt := range tests {
tt := tt
t.Run(tt.desc, func(t *testing.T) {
t.Parallel()
b, err := prototext.MarshalOptions{Resolver: tt.resolver}.Marshal(tt.message)
if err != nil {
t.Errorf("Marshal() returned error: %v\n\n", err)
}
gotMessage := new(pb2.KnownTypes)
err = prototext.UnmarshalOptions{Resolver: tt.resolver}.Unmarshal(b, gotMessage)
if err != nil {
t.Errorf("Unmarshal() returned error: %v\n\n", err)
}
if !proto.Equal(gotMessage, tt.message) {
t.Errorf("Unmarshal()\n<got>\n%v\n<want>\n%v\n", gotMessage, tt.message)
}
})
}
}