Golang程序
|
790行
|
30.48 KB
// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2015 The Go Authors. All rights reserved.
// https://github.com/golang/protobuf
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package jsonpb
import (
"bytes"
"encoding/json"
"io"
"math"
"reflect"
"strings"
"testing"
"github.com/golang/protobuf/proto"
pb "github.com/golang/protobuf/jsonpb/jsonpb_test_proto"
proto3pb "github.com/golang/protobuf/proto/proto3_proto"
"github.com/golang/protobuf/ptypes"
anypb "github.com/golang/protobuf/ptypes/any"
durpb "github.com/golang/protobuf/ptypes/duration"
stpb "github.com/golang/protobuf/ptypes/struct"
tspb "github.com/golang/protobuf/ptypes/timestamp"
wpb "github.com/golang/protobuf/ptypes/wrappers"
)
var (
marshaler = Marshaler{}
marshalerAllOptions = Marshaler{
Indent: " ",
}
simpleObject = &pb.Simple{
OInt32: proto.Int32(-32),
OInt64: proto.Int64(-6400000000),
OUint32: proto.Uint32(32),
OUint64: proto.Uint64(6400000000),
OSint32: proto.Int32(-13),
OSint64: proto.Int64(-2600000000),
OFloat: proto.Float32(3.14),
ODouble: proto.Float64(6.02214179e23),
OBool: proto.Bool(true),
OString: proto.String("hello \"there\""),
OBytes: []byte("beep boop"),
}
simpleObjectJSON = `{` +
`"oBool":true,` +
`"oInt32":-32,` +
`"oInt64":"-6400000000",` +
`"oUint32":32,` +
`"oUint64":"6400000000",` +
`"oSint32":-13,` +
`"oSint64":"-2600000000",` +
`"oFloat":3.14,` +
`"oDouble":6.02214179e+23,` +
`"oString":"hello \"there\"",` +
`"oBytes":"YmVlcCBib29w"` +
`}`
simpleObjectPrettyJSON = `{
"oBool": true,
"oInt32": -32,
"oInt64": "-6400000000",
"oUint32": 32,
"oUint64": "6400000000",
"oSint32": -13,
"oSint64": "-2600000000",
"oFloat": 3.14,
"oDouble": 6.02214179e+23,
"oString": "hello \"there\"",
"oBytes": "YmVlcCBib29w"
}`
repeatsObject = &pb.Repeats{
RBool: []bool{true, false, true},
RInt32: []int32{-3, -4, -5},
RInt64: []int64{-123456789, -987654321},
RUint32: []uint32{1, 2, 3},
RUint64: []uint64{6789012345, 3456789012},
RSint32: []int32{-1, -2, -3},
RSint64: []int64{-6789012345, -3456789012},
RFloat: []float32{3.14, 6.28},
RDouble: []float64{299792458 * 1e20, 6.62606957e-34},
RString: []string{"happy", "days"},
RBytes: [][]byte{[]byte("skittles"), []byte("m&m's")},
}
repeatsObjectJSON = `{` +
`"rBool":[true,false,true],` +
`"rInt32":[-3,-4,-5],` +
`"rInt64":["-123456789","-987654321"],` +
`"rUint32":[1,2,3],` +
`"rUint64":["6789012345","3456789012"],` +
`"rSint32":[-1,-2,-3],` +
`"rSint64":["-6789012345","-3456789012"],` +
`"rFloat":[3.14,6.28],` +
`"rDouble":[2.99792458e+28,6.62606957e-34],` +
`"rString":["happy","days"],` +
`"rBytes":["c2tpdHRsZXM=","bSZtJ3M="]` +
`}`
repeatsObjectPrettyJSON = `{
"rBool": [
true,
false,
true
],
"rInt32": [
-3,
-4,
-5
],
"rInt64": [
"-123456789",
"-987654321"
],
"rUint32": [
1,
2,
3
],
"rUint64": [
"6789012345",
"3456789012"
],
"rSint32": [
-1,
-2,
-3
],
"rSint64": [
"-6789012345",
"-3456789012"
],
"rFloat": [
3.14,
6.28
],
"rDouble": [
2.99792458e+28,
6.62606957e-34
],
"rString": [
"happy",
"days"
],
"rBytes": [
"c2tpdHRsZXM=",
"bSZtJ3M="
]
}`
innerSimple = &pb.Simple{OInt32: proto.Int32(-32)}
innerSimple2 = &pb.Simple{OInt64: proto.Int64(25)}
innerRepeats = &pb.Repeats{RString: []string{"roses", "red"}}
innerRepeats2 = &pb.Repeats{RString: []string{"violets", "blue"}}
complexObject = &pb.Widget{
Color: pb.Widget_GREEN.Enum(),
RColor: []pb.Widget_Color{pb.Widget_RED, pb.Widget_GREEN, pb.Widget_BLUE},
Simple: innerSimple,
RSimple: []*pb.Simple{innerSimple, innerSimple2},
Repeats: innerRepeats,
RRepeats: []*pb.Repeats{innerRepeats, innerRepeats2},
}
complexObjectJSON = `{"color":"GREEN",` +
`"rColor":["RED","GREEN","BLUE"],` +
`"simple":{"oInt32":-32},` +
`"rSimple":[{"oInt32":-32},{"oInt64":"25"}],` +
`"repeats":{"rString":["roses","red"]},` +
`"rRepeats":[{"rString":["roses","red"]},{"rString":["violets","blue"]}]` +
`}`
complexObjectPrettyJSON = `{
"color": "GREEN",
"rColor": [
"RED",
"GREEN",
"BLUE"
],
"simple": {
"oInt32": -32
},
"rSimple": [
{
"oInt32": -32
},
{
"oInt64": "25"
}
],
"repeats": {
"rString": [
"roses",
"red"
]
},
"rRepeats": [
{
"rString": [
"roses",
"red"
]
},
{
"rString": [
"violets",
"blue"
]
}
]
}`
colorPrettyJSON = `{
"color": 2
}`
colorListPrettyJSON = `{
"color": 1000,
"rColor": [
"RED"
]
}`
nummyPrettyJSON = `{
"nummy": {
"1": 2,
"3": 4
}
}`
objjyPrettyJSON = `{
"objjy": {
"1": {
"dub": 1
}
}
}`
realNumber = &pb.Real{Value: proto.Float64(3.14159265359)}
realNumberName = "Pi"
complexNumber = &pb.Complex{Imaginary: proto.Float64(0.5772156649)}
realNumberJSON = `{` +
`"value":3.14159265359,` +
`"[jsonpb.Complex.real_extension]":{"imaginary":0.5772156649},` +
`"[jsonpb.name]":"Pi"` +
`}`
anySimple = &pb.KnownTypes{
An: &anypb.Any{
TypeUrl: "something.example.com/jsonpb.Simple",
Value: []byte{
// &pb.Simple{OBool:true}
1 << 3, 1,
},
},
}
anySimpleJSON = `{"an":{"@type":"something.example.com/jsonpb.Simple","oBool":true}}`
anySimplePrettyJSON = `{
"an": {
"@type": "something.example.com/jsonpb.Simple",
"oBool": true
}
}`
anyWellKnown = &pb.KnownTypes{
An: &anypb.Any{
TypeUrl: "type.googleapis.com/google.protobuf.Duration",
Value: []byte{
// &durpb.Duration{Seconds: 1, Nanos: 212000000 }
1 << 3, 1, // seconds
2 << 3, 0x80, 0xba, 0x8b, 0x65, // nanos
},
},
}
anyWellKnownJSON = `{"an":{"@type":"type.googleapis.com/google.protobuf.Duration","value":"1.212s"}}`
anyWellKnownPrettyJSON = `{
"an": {
"@type": "type.googleapis.com/google.protobuf.Duration",
"value": "1.212s"
}
}`
nonFinites = &pb.NonFinites{
FNan: proto.Float32(float32(math.NaN())),
FPinf: proto.Float32(float32(math.Inf(1))),
FNinf: proto.Float32(float32(math.Inf(-1))),
DNan: proto.Float64(float64(math.NaN())),
DPinf: proto.Float64(float64(math.Inf(1))),
DNinf: proto.Float64(float64(math.Inf(-1))),
}
nonFinitesJSON = `{` +
`"fNan":"NaN",` +
`"fPinf":"Infinity",` +
`"fNinf":"-Infinity",` +
`"dNan":"NaN",` +
`"dPinf":"Infinity",` +
`"dNinf":"-Infinity"` +
`}`
)
func init() {
if err := proto.SetExtension(realNumber, pb.E_Name, &realNumberName); err != nil {
panic(err)
}
if err := proto.SetExtension(realNumber, pb.E_Complex_RealExtension, complexNumber); err != nil {
panic(err)
}
}
var marshalingTests = []struct {
desc string
marshaler Marshaler
pb proto.Message
json string
}{
{"simple flat object", marshaler, simpleObject, simpleObjectJSON},
{"simple pretty object", marshalerAllOptions, simpleObject, simpleObjectPrettyJSON},
{"non-finite floats fields object", marshaler, nonFinites, nonFinitesJSON},
{"repeated fields flat object", marshaler, repeatsObject, repeatsObjectJSON},
{"repeated fields pretty object", marshalerAllOptions, repeatsObject, repeatsObjectPrettyJSON},
{"nested message/enum flat object", marshaler, complexObject, complexObjectJSON},
{"nested message/enum pretty object", marshalerAllOptions, complexObject, complexObjectPrettyJSON},
{"enum-string flat object", Marshaler{},
&pb.Widget{Color: pb.Widget_BLUE.Enum()}, `{"color":"BLUE"}`},
{"enum-value pretty object", Marshaler{EnumsAsInts: true, Indent: " "},
&pb.Widget{Color: pb.Widget_BLUE.Enum()}, colorPrettyJSON},
{"unknown enum value object", marshalerAllOptions,
&pb.Widget{Color: pb.Widget_Color(1000).Enum(), RColor: []pb.Widget_Color{pb.Widget_RED}}, colorListPrettyJSON},
{"repeated proto3 enum", Marshaler{},
&proto3pb.Message{RFunny: []proto3pb.Message_Humour{
proto3pb.Message_PUNS,
proto3pb.Message_SLAPSTICK,
}},
`{"rFunny":["PUNS","SLAPSTICK"]}`},
{"repeated proto3 enum as int", Marshaler{EnumsAsInts: true},
&proto3pb.Message{RFunny: []proto3pb.Message_Humour{
proto3pb.Message_PUNS,
proto3pb.Message_SLAPSTICK,
}},
`{"rFunny":[1,2]}`},
{"empty value", marshaler, &pb.Simple3{}, `{}`},
{"empty value emitted", Marshaler{EmitDefaults: true}, &pb.Simple3{}, `{"dub":0}`},
{"empty repeated emitted", Marshaler{EmitDefaults: true}, &pb.SimpleSlice3{}, `{"slices":[]}`},
{"empty map emitted", Marshaler{EmitDefaults: true}, &pb.SimpleMap3{}, `{"stringy":{}}`},
{"nested struct null", Marshaler{EmitDefaults: true}, &pb.SimpleNull3{}, `{"simple":null}`},
{"map<int64, int32>", marshaler, &pb.Mappy{Nummy: map[int64]int32{1: 2, 3: 4}}, `{"nummy":{"1":2,"3":4}}`},
{"map<int64, int32>", marshalerAllOptions, &pb.Mappy{Nummy: map[int64]int32{1: 2, 3: 4}}, nummyPrettyJSON},
{"map<string, string>", marshaler,
&pb.Mappy{Strry: map[string]string{`"one"`: "two", "three": "four"}},
`{"strry":{"\"one\"":"two","three":"four"}}`},
{"map<int32, Object>", marshaler,
&pb.Mappy{Objjy: map[int32]*pb.Simple3{1: {Dub: 1}}}, `{"objjy":{"1":{"dub":1}}}`},
{"map<int32, Object>", marshalerAllOptions,
&pb.Mappy{Objjy: map[int32]*pb.Simple3{1: {Dub: 1}}}, objjyPrettyJSON},
{"map<int64, string>", marshaler, &pb.Mappy{Buggy: map[int64]string{1234: "yup"}},
`{"buggy":{"1234":"yup"}}`},
{"map<bool, bool>", marshaler, &pb.Mappy{Booly: map[bool]bool{false: true}}, `{"booly":{"false":true}}`},
// 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,
&pb.Maps{MBoolSimple: map[bool]*pb.Simple{true: {OInt32: proto.Int32(1)}}},
`{"mBoolSimple":{"true":{"oInt32":1}}}`},
{"oneof, not set", marshaler, &pb.MsgWithOneof{}, `{}`},
{"oneof, set", marshaler, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_Title{"Grand Poobah"}}, `{"title":"Grand Poobah"}`},
{"force orig_name", Marshaler{OrigName: true}, &pb.Simple{OInt32: proto.Int32(4)},
`{"o_int32":4}`},
{"proto2 extension", marshaler, realNumber, realNumberJSON},
{"Any with message", marshaler, anySimple, anySimpleJSON},
{"Any with message and indent", marshalerAllOptions, anySimple, anySimplePrettyJSON},
{"Any with WKT", marshaler, anyWellKnown, anyWellKnownJSON},
{"Any with WKT and indent", marshalerAllOptions, anyWellKnown, anyWellKnownPrettyJSON},
{"Duration", marshaler, &pb.KnownTypes{Dur: &durpb.Duration{Seconds: 3}}, `{"dur":"3.000s"}`},
{"Struct", marshaler, &pb.KnownTypes{St: &stpb.Struct{
Fields: map[string]*stpb.Value{
"one": {Kind: &stpb.Value_StringValue{"loneliest number"}},
"two": {Kind: &stpb.Value_NullValue{stpb.NullValue_NULL_VALUE}},
},
}}, `{"st":{"one":"loneliest number","two":null}}`},
{"empty ListValue", marshaler, &pb.KnownTypes{Lv: &stpb.ListValue{}}, `{"lv":[]}`},
{"basic ListValue", marshaler, &pb.KnownTypes{Lv: &stpb.ListValue{Values: []*stpb.Value{
{Kind: &stpb.Value_StringValue{"x"}},
{Kind: &stpb.Value_NullValue{}},
{Kind: &stpb.Value_NumberValue{3}},
{Kind: &stpb.Value_BoolValue{true}},
}}}, `{"lv":["x",null,3,true]}`},
{"Timestamp", marshaler, &pb.KnownTypes{Ts: &tspb.Timestamp{Seconds: 14e8, Nanos: 21e6}}, `{"ts":"2014-05-13T16:53:20.021Z"}`},
{"number Value", marshaler, &pb.KnownTypes{Val: &stpb.Value{Kind: &stpb.Value_NumberValue{1}}}, `{"val":1}`},
{"null Value", marshaler, &pb.KnownTypes{Val: &stpb.Value{Kind: &stpb.Value_NullValue{stpb.NullValue_NULL_VALUE}}}, `{"val":null}`},
{"string number value", marshaler, &pb.KnownTypes{Val: &stpb.Value{Kind: &stpb.Value_StringValue{"9223372036854775807"}}}, `{"val":"9223372036854775807"}`},
{"list of lists Value", marshaler, &pb.KnownTypes{Val: &stpb.Value{
Kind: &stpb.Value_ListValue{&stpb.ListValue{
Values: []*stpb.Value{
{Kind: &stpb.Value_StringValue{"x"}},
{Kind: &stpb.Value_ListValue{&stpb.ListValue{
Values: []*stpb.Value{
{Kind: &stpb.Value_ListValue{&stpb.ListValue{
Values: []*stpb.Value{{Kind: &stpb.Value_StringValue{"y"}}},
}}},
{Kind: &stpb.Value_StringValue{"z"}},
},
}}},
},
}},
}}, `{"val":["x",[["y"],"z"]]}`},
{"DoubleValue", marshaler, &pb.KnownTypes{Dbl: &wpb.DoubleValue{Value: 1.2}}, `{"dbl":1.2}`},
{"FloatValue", marshaler, &pb.KnownTypes{Flt: &wpb.FloatValue{Value: 1.2}}, `{"flt":1.2}`},
{"Int64Value", marshaler, &pb.KnownTypes{I64: &wpb.Int64Value{Value: -3}}, `{"i64":"-3"}`},
{"UInt64Value", marshaler, &pb.KnownTypes{U64: &wpb.UInt64Value{Value: 3}}, `{"u64":"3"}`},
{"Int32Value", marshaler, &pb.KnownTypes{I32: &wpb.Int32Value{Value: -4}}, `{"i32":-4}`},
{"UInt32Value", marshaler, &pb.KnownTypes{U32: &wpb.UInt32Value{Value: 4}}, `{"u32":4}`},
{"BoolValue", marshaler, &pb.KnownTypes{Bool: &wpb.BoolValue{Value: true}}, `{"bool":true}`},
{"StringValue", marshaler, &pb.KnownTypes{Str: &wpb.StringValue{Value: "plush"}}, `{"str":"plush"}`},
{"BytesValue", marshaler, &pb.KnownTypes{Bytes: &wpb.BytesValue{Value: []byte("wow")}}, `{"bytes":"d293"}`},
}
func TestMarshaling(t *testing.T) {
for _, tt := range marshalingTests {
json, err := tt.marshaler.MarshalToString(tt.pb)
if err != nil {
t.Errorf("%s: marshaling error: %v", tt.desc, err)
} else if tt.json != json {
t.Errorf("%s: got [%v] want [%v]", tt.desc, json, tt.json)
}
}
}
func TestMarshalJSONPBMarshaler(t *testing.T) {
rawJson := `{ "foo": "bar", "baz": [0, 1, 2, 3] }`
msg := dynamicMessage{rawJson: rawJson}
str, err := new(Marshaler).MarshalToString(&msg)
if err != nil {
t.Errorf("an unexpected error occurred when marshalling JSONPBMarshaler: %v", err)
}
if str != rawJson {
t.Errorf("marshalling JSON produced incorrect output: got %s, wanted %s", str, rawJson)
}
}
func TestMarshalAnyJSONPBMarshaler(t *testing.T) {
msg := dynamicMessage{rawJson: `{ "foo": "bar", "baz": [0, 1, 2, 3] }`}
a, err := ptypes.MarshalAny(&msg)
if err != nil {
t.Errorf("an unexpected error occurred when marshalling to Any: %v", err)
}
str, err := new(Marshaler).MarshalToString(a)
if err != nil {
t.Errorf("an unexpected error occurred when marshalling Any to JSON: %v", err)
}
// after custom marshaling, it's round-tripped through JSON decoding/encoding already,
// so the keys are sorted, whitespace is compacted, and "@type" key has been added
expected := `{"@type":"type.googleapis.com/` + dynamicMessageName + `","baz":[0,1,2,3],"foo":"bar"}`
if str != expected {
t.Errorf("marshalling JSON produced incorrect output: got %s, wanted %s", str, expected)
}
}
var unmarshalingTests = []struct {
desc string
unmarshaler Unmarshaler
json string
pb proto.Message
}{
{"simple flat object", Unmarshaler{}, simpleObjectJSON, simpleObject},
{"simple pretty object", Unmarshaler{}, simpleObjectPrettyJSON, simpleObject},
{"repeated fields flat object", Unmarshaler{}, repeatsObjectJSON, repeatsObject},
{"repeated fields pretty object", Unmarshaler{}, repeatsObjectPrettyJSON, repeatsObject},
{"nested message/enum flat object", Unmarshaler{}, complexObjectJSON, complexObject},
{"nested message/enum pretty object", Unmarshaler{}, complexObjectPrettyJSON, complexObject},
{"enum-string object", Unmarshaler{}, `{"color":"BLUE"}`, &pb.Widget{Color: pb.Widget_BLUE.Enum()}},
{"enum-value object", Unmarshaler{}, "{\n \"color\": 2\n}", &pb.Widget{Color: pb.Widget_BLUE.Enum()}},
{"unknown field with allowed option", Unmarshaler{AllowUnknownFields: true}, `{"unknown": "foo"}`, new(pb.Simple)},
{"proto3 enum string", Unmarshaler{}, `{"hilarity":"PUNS"}`, &proto3pb.Message{Hilarity: proto3pb.Message_PUNS}},
{"proto3 enum value", Unmarshaler{}, `{"hilarity":1}`, &proto3pb.Message{Hilarity: proto3pb.Message_PUNS}},
{"unknown enum value object",
Unmarshaler{},
"{\n \"color\": 1000,\n \"r_color\": [\n \"RED\"\n ]\n}",
&pb.Widget{Color: pb.Widget_Color(1000).Enum(), RColor: []pb.Widget_Color{pb.Widget_RED}}},
{"repeated proto3 enum", Unmarshaler{}, `{"rFunny":["PUNS","SLAPSTICK"]}`,
&proto3pb.Message{RFunny: []proto3pb.Message_Humour{
proto3pb.Message_PUNS,
proto3pb.Message_SLAPSTICK,
}}},
{"repeated proto3 enum as int", Unmarshaler{}, `{"rFunny":[1,2]}`,
&proto3pb.Message{RFunny: []proto3pb.Message_Humour{
proto3pb.Message_PUNS,
proto3pb.Message_SLAPSTICK,
}}},
{"repeated proto3 enum as mix of strings and ints", Unmarshaler{}, `{"rFunny":["PUNS",2]}`,
&proto3pb.Message{RFunny: []proto3pb.Message_Humour{
proto3pb.Message_PUNS,
proto3pb.Message_SLAPSTICK,
}}},
{"unquoted int64 object", Unmarshaler{}, `{"oInt64":-314}`, &pb.Simple{OInt64: proto.Int64(-314)}},
{"unquoted uint64 object", Unmarshaler{}, `{"oUint64":123}`, &pb.Simple{OUint64: proto.Uint64(123)}},
{"NaN", Unmarshaler{}, `{"oDouble":"NaN"}`, &pb.Simple{ODouble: proto.Float64(math.NaN())}},
{"Inf", Unmarshaler{}, `{"oFloat":"Infinity"}`, &pb.Simple{OFloat: proto.Float32(float32(math.Inf(1)))}},
{"-Inf", Unmarshaler{}, `{"oDouble":"-Infinity"}`, &pb.Simple{ODouble: proto.Float64(math.Inf(-1))}},
{"map<int64, int32>", Unmarshaler{}, `{"nummy":{"1":2,"3":4}}`, &pb.Mappy{Nummy: map[int64]int32{1: 2, 3: 4}}},
{"map<string, string>", Unmarshaler{}, `{"strry":{"\"one\"":"two","three":"four"}}`, &pb.Mappy{Strry: map[string]string{`"one"`: "two", "three": "four"}}},
{"map<int32, Object>", Unmarshaler{}, `{"objjy":{"1":{"dub":1}}}`, &pb.Mappy{Objjy: map[int32]*pb.Simple3{1: {Dub: 1}}}},
{"proto2 extension", Unmarshaler{}, realNumberJSON, realNumber},
{"Any with message", Unmarshaler{}, anySimpleJSON, anySimple},
{"Any with message and indent", Unmarshaler{}, anySimplePrettyJSON, anySimple},
{"Any with WKT", Unmarshaler{}, anyWellKnownJSON, anyWellKnown},
{"Any with WKT and indent", Unmarshaler{}, anyWellKnownPrettyJSON, anyWellKnown},
// TODO: This is broken.
//{"map<string, enum>", Unmarshaler{}, `{"enumy":{"XIV":"ROMAN"}`, &pb.Mappy{Enumy: map[string]pb.Numeral{"XIV": pb.Numeral_ROMAN}}},
{"map<string, enum as int>", Unmarshaler{}, `{"enumy":{"XIV":2}}`, &pb.Mappy{Enumy: map[string]pb.Numeral{"XIV": pb.Numeral_ROMAN}}},
{"oneof", Unmarshaler{}, `{"salary":31000}`, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_Salary{31000}}},
{"oneof spec name", Unmarshaler{}, `{"Country":"Australia"}`, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_Country{"Australia"}}},
{"oneof orig_name", Unmarshaler{}, `{"Country":"Australia"}`, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_Country{"Australia"}}},
{"oneof spec name2", Unmarshaler{}, `{"homeAddress":"Australia"}`, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_HomeAddress{"Australia"}}},
{"oneof orig_name2", Unmarshaler{}, `{"home_address":"Australia"}`, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_HomeAddress{"Australia"}}},
{"orig_name input", Unmarshaler{}, `{"o_bool":true}`, &pb.Simple{OBool: proto.Bool(true)}},
{"camelName input", Unmarshaler{}, `{"oBool":true}`, &pb.Simple{OBool: proto.Bool(true)}},
{"Duration", Unmarshaler{}, `{"dur":"3.000s"}`, &pb.KnownTypes{Dur: &durpb.Duration{Seconds: 3}}},
{"null Duration", Unmarshaler{}, `{"dur":null}`, &pb.KnownTypes{Dur: nil}},
{"Timestamp", Unmarshaler{}, `{"ts":"2014-05-13T16:53:20.021Z"}`, &pb.KnownTypes{Ts: &tspb.Timestamp{Seconds: 14e8, Nanos: 21e6}}},
{"PreEpochTimestamp", Unmarshaler{}, `{"ts":"1969-12-31T23:59:58.999999995Z"}`, &pb.KnownTypes{Ts: &tspb.Timestamp{Seconds: -2, Nanos: 999999995}}},
{"ZeroTimeTimestamp", Unmarshaler{}, `{"ts":"0001-01-01T00:00:00Z"}`, &pb.KnownTypes{Ts: &tspb.Timestamp{Seconds: -62135596800, Nanos: 0}}},
{"null Timestamp", Unmarshaler{}, `{"ts":null}`, &pb.KnownTypes{Ts: nil}},
{"null Struct", Unmarshaler{}, `{"st": null}`, &pb.KnownTypes{St: nil}},
{"empty Struct", Unmarshaler{}, `{"st": {}}`, &pb.KnownTypes{St: &stpb.Struct{}}},
{"basic Struct", Unmarshaler{}, `{"st": {"a": "x", "b": null, "c": 3, "d": true}}`, &pb.KnownTypes{St: &stpb.Struct{Fields: map[string]*stpb.Value{
"a": {Kind: &stpb.Value_StringValue{"x"}},
"b": {Kind: &stpb.Value_NullValue{}},
"c": {Kind: &stpb.Value_NumberValue{3}},
"d": {Kind: &stpb.Value_BoolValue{true}},
}}}},
{"nested Struct", Unmarshaler{}, `{"st": {"a": {"b": 1, "c": [{"d": true}, "f"]}}}`, &pb.KnownTypes{St: &stpb.Struct{Fields: map[string]*stpb.Value{
"a": {Kind: &stpb.Value_StructValue{&stpb.Struct{Fields: map[string]*stpb.Value{
"b": {Kind: &stpb.Value_NumberValue{1}},
"c": {Kind: &stpb.Value_ListValue{&stpb.ListValue{Values: []*stpb.Value{
{Kind: &stpb.Value_StructValue{&stpb.Struct{Fields: map[string]*stpb.Value{"d": {Kind: &stpb.Value_BoolValue{true}}}}}},
{Kind: &stpb.Value_StringValue{"f"}},
}}}},
}}}},
}}}},
{"null ListValue", Unmarshaler{}, `{"lv": null}`, &pb.KnownTypes{Lv: nil}},
{"empty ListValue", Unmarshaler{}, `{"lv": []}`, &pb.KnownTypes{Lv: &stpb.ListValue{}}},
{"basic ListValue", Unmarshaler{}, `{"lv": ["x", null, 3, true]}`, &pb.KnownTypes{Lv: &stpb.ListValue{Values: []*stpb.Value{
{Kind: &stpb.Value_StringValue{"x"}},
{Kind: &stpb.Value_NullValue{}},
{Kind: &stpb.Value_NumberValue{3}},
{Kind: &stpb.Value_BoolValue{true}},
}}}},
{"number Value", Unmarshaler{}, `{"val":1}`, &pb.KnownTypes{Val: &stpb.Value{Kind: &stpb.Value_NumberValue{1}}}},
{"null Value", Unmarshaler{}, `{"val":null}`, &pb.KnownTypes{Val: &stpb.Value{Kind: &stpb.Value_NullValue{stpb.NullValue_NULL_VALUE}}}},
{"bool Value", Unmarshaler{}, `{"val":true}`, &pb.KnownTypes{Val: &stpb.Value{Kind: &stpb.Value_BoolValue{true}}}},
{"string Value", Unmarshaler{}, `{"val":"x"}`, &pb.KnownTypes{Val: &stpb.Value{Kind: &stpb.Value_StringValue{"x"}}}},
{"string number value", Unmarshaler{}, `{"val":"9223372036854775807"}`, &pb.KnownTypes{Val: &stpb.Value{Kind: &stpb.Value_StringValue{"9223372036854775807"}}}},
{"list of lists Value", Unmarshaler{}, `{"val":["x", [["y"], "z"]]}`, &pb.KnownTypes{Val: &stpb.Value{
Kind: &stpb.Value_ListValue{&stpb.ListValue{
Values: []*stpb.Value{
{Kind: &stpb.Value_StringValue{"x"}},
{Kind: &stpb.Value_ListValue{&stpb.ListValue{
Values: []*stpb.Value{
{Kind: &stpb.Value_ListValue{&stpb.ListValue{
Values: []*stpb.Value{{Kind: &stpb.Value_StringValue{"y"}}},
}}},
{Kind: &stpb.Value_StringValue{"z"}},
},
}}},
},
}}}}},
{"DoubleValue", Unmarshaler{}, `{"dbl":1.2}`, &pb.KnownTypes{Dbl: &wpb.DoubleValue{Value: 1.2}}},
{"FloatValue", Unmarshaler{}, `{"flt":1.2}`, &pb.KnownTypes{Flt: &wpb.FloatValue{Value: 1.2}}},
{"Int64Value", Unmarshaler{}, `{"i64":"-3"}`, &pb.KnownTypes{I64: &wpb.Int64Value{Value: -3}}},
{"UInt64Value", Unmarshaler{}, `{"u64":"3"}`, &pb.KnownTypes{U64: &wpb.UInt64Value{Value: 3}}},
{"Int32Value", Unmarshaler{}, `{"i32":-4}`, &pb.KnownTypes{I32: &wpb.Int32Value{Value: -4}}},
{"UInt32Value", Unmarshaler{}, `{"u32":4}`, &pb.KnownTypes{U32: &wpb.UInt32Value{Value: 4}}},
{"BoolValue", Unmarshaler{}, `{"bool":true}`, &pb.KnownTypes{Bool: &wpb.BoolValue{Value: true}}},
{"StringValue", Unmarshaler{}, `{"str":"plush"}`, &pb.KnownTypes{Str: &wpb.StringValue{Value: "plush"}}},
{"BytesValue", Unmarshaler{}, `{"bytes":"d293"}`, &pb.KnownTypes{Bytes: &wpb.BytesValue{Value: []byte("wow")}}},
// Ensure that `null` as a value ends up with a nil pointer instead of a [type]Value struct.
{"null DoubleValue", Unmarshaler{}, `{"dbl":null}`, &pb.KnownTypes{Dbl: nil}},
{"null FloatValue", Unmarshaler{}, `{"flt":null}`, &pb.KnownTypes{Flt: nil}},
{"null Int64Value", Unmarshaler{}, `{"i64":null}`, &pb.KnownTypes{I64: nil}},
{"null UInt64Value", Unmarshaler{}, `{"u64":null}`, &pb.KnownTypes{U64: nil}},
{"null Int32Value", Unmarshaler{}, `{"i32":null}`, &pb.KnownTypes{I32: nil}},
{"null UInt32Value", Unmarshaler{}, `{"u32":null}`, &pb.KnownTypes{U32: nil}},
{"null BoolValue", Unmarshaler{}, `{"bool":null}`, &pb.KnownTypes{Bool: nil}},
{"null StringValue", Unmarshaler{}, `{"str":null}`, &pb.KnownTypes{Str: nil}},
{"null BytesValue", Unmarshaler{}, `{"bytes":null}`, &pb.KnownTypes{Bytes: nil}},
}
func TestUnmarshaling(t *testing.T) {
for _, tt := range unmarshalingTests {
// Make a new instance of the type of our expected object.
p := reflect.New(reflect.TypeOf(tt.pb).Elem()).Interface().(proto.Message)
err := tt.unmarshaler.Unmarshal(strings.NewReader(tt.json), p)
if err != nil {
t.Errorf("%s: %v", tt.desc, err)
continue
}
// For easier diffs, compare text strings of the protos.
exp := proto.MarshalTextString(tt.pb)
act := proto.MarshalTextString(p)
if string(exp) != string(act) {
t.Errorf("%s: got [%s] want [%s]", tt.desc, act, exp)
}
}
}
func TestUnmarshalNullArray(t *testing.T) {
var repeats pb.Repeats
if err := UnmarshalString(`{"rBool":null}`, &repeats); err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(repeats, pb.Repeats{}) {
t.Errorf("got non-nil fields in [%#v]", repeats)
}
}
func TestUnmarshalNullObject(t *testing.T) {
var maps pb.Maps
if err := UnmarshalString(`{"mInt64Str":null}`, &maps); err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(maps, pb.Maps{}) {
t.Errorf("got non-nil fields in [%#v]", maps)
}
}
func TestUnmarshalNext(t *testing.T) {
// We only need to check against a few, not all of them.
tests := unmarshalingTests[:5]
// Create a buffer with many concatenated JSON objects.
var b bytes.Buffer
for _, tt := range tests {
b.WriteString(tt.json)
}
dec := json.NewDecoder(&b)
for _, tt := range tests {
// Make a new instance of the type of our expected object.
p := reflect.New(reflect.TypeOf(tt.pb).Elem()).Interface().(proto.Message)
err := tt.unmarshaler.UnmarshalNext(dec, p)
if err != nil {
t.Errorf("%s: %v", tt.desc, err)
continue
}
// For easier diffs, compare text strings of the protos.
exp := proto.MarshalTextString(tt.pb)
act := proto.MarshalTextString(p)
if string(exp) != string(act) {
t.Errorf("%s: got [%s] want [%s]", tt.desc, act, exp)
}
}
p := &pb.Simple{}
err := new(Unmarshaler).UnmarshalNext(dec, p)
if err != io.EOF {
t.Errorf("eof: got %v, expected io.EOF", err)
}
}
var unmarshalingShouldError = []struct {
desc string
in string
pb proto.Message
}{
{"a value", "666", new(pb.Simple)},
{"gibberish", "{adskja123;l23=-=", new(pb.Simple)},
{"unknown field", `{"unknown": "foo"}`, new(pb.Simple)},
{"unknown enum name", `{"hilarity":"DAVE"}`, new(proto3pb.Message)},
}
func TestUnmarshalingBadInput(t *testing.T) {
for _, tt := range unmarshalingShouldError {
err := UnmarshalString(tt.in, tt.pb)
if err == nil {
t.Errorf("an error was expected when parsing %q instead of an object", tt.desc)
}
}
}
func TestUnmarshalJSONPBUnmarshaler(t *testing.T) {
rawJson := `{ "foo": "bar", "baz": [0, 1, 2, 3] }`
var msg dynamicMessage
if err := Unmarshal(strings.NewReader(rawJson), &msg); err != nil {
t.Errorf("an unexpected error occurred when parsing into JSONPBUnmarshaler: %v", err)
}
if msg.rawJson != rawJson {
t.Errorf("message contents not set correctly after unmarshalling JSON: got %s, wanted %s", msg.rawJson, rawJson)
}
}
func TestUnmarshalAnyJSONPBUnmarshaler(t *testing.T) {
rawJson := `{ "@type": "blah.com/` + dynamicMessageName + `", "foo": "bar", "baz": [0, 1, 2, 3] }`
var got anypb.Any
if err := Unmarshal(strings.NewReader(rawJson), &got); err != nil {
t.Errorf("an unexpected error occurred when parsing into JSONPBUnmarshaler: %v", err)
}
dm := &dynamicMessage{rawJson: `{"baz":[0,1,2,3],"foo":"bar"}`}
var want anypb.Any
if b, err := proto.Marshal(dm); err != nil {
t.Errorf("an unexpected error occurred when marshaling message: %v", err)
} else {
want.TypeUrl = "blah.com/" + dynamicMessageName
want.Value = b
}
if !proto.Equal(&got, &want) {
t.Errorf("message contents not set correctly after unmarshalling JSON: got %s, wanted %s", got, want)
}
}
const (
dynamicMessageName = "google.protobuf.jsonpb.testing.dynamicMessage"
)
func init() {
// we register the custom type below so that we can use it in Any types
proto.RegisterType((*dynamicMessage)(nil), dynamicMessageName)
}
// dynamicMessage implements protobuf.Message but is not a normal generated message type.
// It provides implementations of JSONPBMarshaler and JSONPBUnmarshaler for JSON support.
type dynamicMessage struct {
rawJson string `protobuf:"bytes,1,opt,name=rawJson"`
}
func (m *dynamicMessage) Reset() {
m.rawJson = "{}"
}
func (m *dynamicMessage) String() string {
return m.rawJson
}
func (m *dynamicMessage) ProtoMessage() {
}
func (m *dynamicMessage) MarshalJSONPB(jm *Marshaler) ([]byte, error) {
return []byte(m.rawJson), nil
}
func (m *dynamicMessage) UnmarshalJSONPB(jum *Unmarshaler, js []byte) error {
m.rawJson = string(js)
return nil
}