func TestProto3SetDefaults(t *testing.T) {
in := &pb.Message{
Terrain: map[string]*pb.Nested{
"meadow": new(pb.Nested),
},
Proto2Field: new(tpb.SubDefaults),
Proto2Value: map[string]*tpb.SubDefaults{
"badlands": new(tpb.SubDefaults),
},
}
got := proto.Clone(in).(*pb.Message)
proto.SetDefaults(got)
// There are no defaults in proto3. Everything should be the zero value, but
// we need to remember to set defaults for nested proto2 messages.
want := &pb.Message{
Terrain: map[string]*pb.Nested{
"meadow": new(pb.Nested),
},
Proto2Field: &tpb.SubDefaults{N: proto.Int64(7)},
Proto2Value: map[string]*tpb.SubDefaults{
"badlands": {N: proto.Int64(7)},
},
}
if !proto.Equal(got, want) {
t.Errorf("with in = %v\nproto.SetDefaults(in) =>\ngot %v\nwant %v", in, got, want)
}
}
func readHealthcheck(f string) (*pb.Healthcheck, error) {
p := &pb.Healthcheck{}
b, err := ioutil.ReadFile(f)
if err != nil {
return nil, err
}
if err = proto.UnmarshalText(string(b), p); err != nil {
return nil, err
}
proto.SetDefaults(p)
return p, nil
}
func fuzz(data []byte, text bool) int {
ctors := []func() proto.Message{
func() proto.Message { return new(pb.M0) },
func() proto.Message { return new(pb.M1) },
func() proto.Message { return new(pb.M2) },
func() proto.Message { return new(pb.M3) },
func() proto.Message { return new(pb.M4) },
func() proto.Message { return new(pb.M5) },
func() proto.Message { return new(pb.M6) },
func() proto.Message { return new(pb.M7) },
func() proto.Message { return new(pb.M8) },
func() proto.Message { return new(pb.M9) },
func() proto.Message { return new(pb.M10) },
func() proto.Message { return new(pb.M11) },
func() proto.Message { return new(pb.M12) },
func() proto.Message { return new(pb.M13) },
func() proto.Message { return new(pb.M14) },
func() proto.Message { return new(pb.M15) },
func() proto.Message { return new(pb.M16) },
func() proto.Message { return new(pb.M17) },
func() proto.Message { return new(pb.M18) },
func() proto.Message { return new(pb.M19) },
func() proto.Message { return new(pb.M20) },
func() proto.Message { return new(pb.M21) },
func() proto.Message { return new(pb.M22) },
func() proto.Message { return new(pb.M23) },
func() proto.Message { return new(pb.M24) },
func() proto.Message { return new(pb.M25) },
}
datas := ""
if text {
datas = string(data)
}
score := 0
for _, ctor := range ctors {
v := ctor()
var err error
if text {
err = proto.UnmarshalText(datas, v)
} else {
err = proto.Unmarshal(data, v)
}
if err != nil {
continue
}
score = 1
sz := proto.Size(v)
var data1 []byte
if text {
var buf bytes.Buffer
err = proto.MarshalText(&buf, v)
data1 = buf.Bytes()
} else {
data1, err = proto.Marshal(v)
}
if err != nil {
panic(err)
}
v1 := ctor()
if text {
err = proto.UnmarshalText(string(data1), v1)
} else {
if sz != len(data1) {
panic(fmt.Sprintf("Size returned %v, while Marshal returned %v", sz, len(data1)))
}
err = proto.Unmarshal(data1, v1)
}
if err != nil {
panic(err)
}
if !DeepEqual(v, v1) {
fmt.Printf("v0: %#v\n", v)
fmt.Printf("v1: %#v\n", v1)
panic(fmt.Sprintf("non idempotent marshal of %T", v))
}
if !proto.Equal(v, v1) {
fmt.Printf("v0: %#v\n", v)
fmt.Printf("v1: %#v\n", v1)
panic(fmt.Sprintf("non idempotent marshal of %T", v))
}
if text {
// TODO: Marshal/Unmarshal to binary.
} else {
var buf bytes.Buffer
err := proto.MarshalText(&buf, v)
if err != nil {
fmt.Printf("failed to MarshalText: %#v\n", v)
panic(err)
}
v2 := ctor()
err = proto.UnmarshalText(buf.String(), v2)
if err != nil {
if strings.Contains(err.Error(), "unexpected byte 0x2f") {
continue // known bug
}
fmt.Printf("failed to UnmarshalText: %q\n", buf.Bytes())
panic(err)
}
if !proto.Equal(v, v2) {
fmt.Printf("v0: %#v\n", v)
fmt.Printf("v2: %#v\n", v2)
panic(fmt.Sprintf("non idempotent text marshal of %T", v))
}
}
v3 := proto.Clone(v)
if !DeepEqual(v, v3) {
fmt.Printf("v0: %#v\n", v)
fmt.Printf("v3: %#v\n", v3)
panic(fmt.Sprintf("bad clone of %T", v))
}
proto.SetDefaults(v3)
if !proto.Equal(v, v3) {
fmt.Printf("v0: %#v\n", v)
fmt.Printf("v3: %#v\n", v3)
panic(fmt.Sprintf("SetDefaults changed data %T", v))
}
proto.Merge(v3, v1)
if idempotentMerge(v) && !proto.Equal(v, v3) {
fmt.Printf("v0: %#v\n", v)
fmt.Printf("v3: %#v\n", v3)
panic(fmt.Sprintf("Merge changed data %T", v))
}
}
return score
}
