jsonpb: sort numeric proto keys in numeric order When marshalling to JSON, sort numeric proto keys in numeric order per https://developers.google.com/protocol-buffers/docs/proto#maps. Change-Id: Iab5bdfbf599ce35e856ad4d0e503fd2ab1a9aacd
diff --git a/jsonpb/jsonpb.go b/jsonpb/jsonpb.go index e40d1d3..38f86c5 100644 --- a/jsonpb/jsonpb.go +++ b/jsonpb/jsonpb.go
@@ -812,10 +812,21 @@ // The easiest way to sort them in some deterministic order is to use fmt. // If this turns out to be inefficient we can always consider other options, // such as doing a Schwartzian transform. +// +// Numeric keys are sorted in numeric order per +// https://developers.google.com/protocol-buffers/docs/proto#maps. type mapKeys []reflect.Value func (s mapKeys) Len() int { return len(s) } func (s mapKeys) Swap(i, j int) { s[i], s[j] = s[j], s[i] } func (s mapKeys) Less(i, j int) bool { + if k := s[i].Kind(); k == s[j].Kind() { + switch k { + case reflect.Int32, reflect.Int64: + return s[i].Int() < s[j].Int() + case reflect.Uint32, reflect.Uint64: + return s[i].Uint() < s[j].Uint() + } + } return fmt.Sprint(s[i].Interface()) < fmt.Sprint(s[j].Interface()) }
diff --git a/jsonpb/jsonpb_test.go b/jsonpb/jsonpb_test.go index 8cbc8ec..b4507e7 100644 --- a/jsonpb/jsonpb_test.go +++ b/jsonpb/jsonpb_test.go
@@ -365,6 +365,10 @@ // TODO: This is broken. //{"map<string, enum>", marshaler, &pb.Mappy{Enumy: map[string]pb.Numeral{"XIV": pb.Numeral_ROMAN}}, `{"enumy":{"XIV":"ROMAN"}`}, {"map<string, enum as int>", Marshaler{EnumsAsInts: true}, &pb.Mappy{Enumy: map[string]pb.Numeral{"XIV": pb.Numeral_ROMAN}}, `{"enumy":{"XIV":2}}`}, + {"map<int32, bool>", marshaler, &pb.Mappy{S32Booly: map[int32]bool{1: true, 3: false, 10: true, 12: false}}, `{"s32booly":{"1":true,"3":false,"10":true,"12":false}}`}, + {"map<int64, bool>", marshaler, &pb.Mappy{S64Booly: map[int64]bool{1: true, 3: false, 10: true, 12: false}}, `{"s64booly":{"1":true,"3":false,"10":true,"12":false}}`}, + {"map<uint32, bool>", marshaler, &pb.Mappy{U32Booly: map[uint32]bool{1: true, 3: false, 10: true, 12: false}}, `{"u32booly":{"1":true,"3":false,"10":true,"12":false}}`}, + {"map<uint64, bool>", marshaler, &pb.Mappy{U64Booly: map[uint64]bool{1: true, 3: false, 10: true, 12: false}}, `{"u64booly":{"1":true,"3":false,"10":true,"12":false}}`}, {"proto2 map<int64, string>", marshaler, &pb.Maps{MInt64Str: map[int64]string{213: "cat"}}, `{"mInt64Str":{"213":"cat"}}`}, {"proto2 map<bool, Object>", marshaler,
diff --git a/jsonpb/jsonpb_test_proto/more_test_objects.pb.go b/jsonpb/jsonpb_test_proto/more_test_objects.pb.go index a5444a2..101db7a 100644 --- a/jsonpb/jsonpb_test_proto/more_test_objects.pb.go +++ b/jsonpb/jsonpb_test_proto/more_test_objects.pb.go
@@ -72,12 +72,16 @@ func (*Simple3) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} } type Mappy struct { - Nummy map[int64]int32 `protobuf:"bytes,1,rep,name=nummy" json:"nummy,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"varint,2,opt,name=value"` - Strry map[string]string `protobuf:"bytes,2,rep,name=strry" json:"strry,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"` - Objjy map[int32]*Simple3 `protobuf:"bytes,3,rep,name=objjy" json:"objjy,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"` - Buggy map[int64]string `protobuf:"bytes,4,rep,name=buggy" json:"buggy,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"` - Booly map[bool]bool `protobuf:"bytes,5,rep,name=booly" json:"booly,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"varint,2,opt,name=value"` - Enumy map[string]Numeral `protobuf:"bytes,6,rep,name=enumy" json:"enumy,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"varint,2,opt,name=value,enum=jsonpb.Numeral"` + Nummy map[int64]int32 `protobuf:"bytes,1,rep,name=nummy" json:"nummy,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"varint,2,opt,name=value"` + Strry map[string]string `protobuf:"bytes,2,rep,name=strry" json:"strry,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"` + Objjy map[int32]*Simple3 `protobuf:"bytes,3,rep,name=objjy" json:"objjy,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"` + Buggy map[int64]string `protobuf:"bytes,4,rep,name=buggy" json:"buggy,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"` + Booly map[bool]bool `protobuf:"bytes,5,rep,name=booly" json:"booly,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"varint,2,opt,name=value"` + Enumy map[string]Numeral `protobuf:"bytes,6,rep,name=enumy" json:"enumy,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"varint,2,opt,name=value,enum=jsonpb.Numeral"` + S32Booly map[int32]bool `protobuf:"bytes,7,rep,name=s32booly" json:"s32booly,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"varint,2,opt,name=value"` + S64Booly map[int64]bool `protobuf:"bytes,8,rep,name=s64booly" json:"s64booly,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"varint,2,opt,name=value"` + U32Booly map[uint32]bool `protobuf:"bytes,9,rep,name=u32booly" json:"u32booly,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"varint,2,opt,name=value"` + U64Booly map[uint64]bool `protobuf:"bytes,10,rep,name=u64booly" json:"u64booly,omitempty" protobuf_key:"varint,1,opt,name=key" protobuf_val:"varint,2,opt,name=value"` } func (m *Mappy) Reset() { *m = Mappy{} } @@ -127,6 +131,34 @@ return nil } +func (m *Mappy) GetS32Booly() map[int32]bool { + if m != nil { + return m.S32Booly + } + return nil +} + +func (m *Mappy) GetS64Booly() map[int64]bool { + if m != nil { + return m.S64Booly + } + return nil +} + +func (m *Mappy) GetU32Booly() map[uint32]bool { + if m != nil { + return m.U32Booly + } + return nil +} + +func (m *Mappy) GetU64Booly() map[uint64]bool { + if m != nil { + return m.U64Booly + } + return nil +} + func init() { proto.RegisterType((*Simple3)(nil), "jsonpb.Simple3") proto.RegisterType((*Mappy)(nil), "jsonpb.Mappy") @@ -136,28 +168,33 @@ func init() { proto.RegisterFile("more_test_objects.proto", fileDescriptor0) } var fileDescriptor0 = []byte{ - 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diff --git a/jsonpb/jsonpb_test_proto/more_test_objects.proto b/jsonpb/jsonpb_test_proto/more_test_objects.proto index 511f021..43b440e 100644 --- a/jsonpb/jsonpb_test_proto/more_test_objects.proto +++ b/jsonpb/jsonpb_test_proto/more_test_objects.proto
@@ -50,4 +50,8 @@ map<int64, string> buggy = 4; map<bool, bool> booly = 5; map<string, Numeral> enumy = 6; + map<int32, bool> s32booly = 7; + map<int64, bool> s64booly = 8; + map<uint32, bool> u32booly = 9; + map<uint64, bool> u64booly = 10; }