func newTestMessage() *pb.MyMessage {
msg := &pb.MyMessage{
Count: proto.Int32(42),
Name: proto.String("Dave"),
Quote: proto.String(`"I didn't want to go."`),
Pet: []string{"bunny", "kitty", "horsey"},
Inner: &pb.InnerMessage{
Host: proto.String("footrest.syd"),
Port: proto.Int32(7001),
Connected: proto.Bool(true),
},
Others: []*pb.OtherMessage{
{
Key: proto.Int64(0xdeadbeef),
Value: []byte{1, 65, 7, 12},
},
{
Weight: proto.Float32(6.022),
Inner: &pb.InnerMessage{
Host: proto.String("lesha.mtv"),
Port: proto.Int32(8002),
},
},
},
Bikeshed: pb.MyMessage_BLUE.Enum(),
Somegroup: &pb.MyMessage_SomeGroup{
GroupField: proto.Int32(8),
},
// One normally wouldn't do this.
// This is an undeclared tag 13, as a varint (wire type 0) with value 4.
XXX_unrecognized: []byte{13<<3 | 0, 4},
}
ext := &pb.Ext{
Data: proto.String("Big gobs for big rats"),
}
if err := proto.SetExtension(msg, pb.E_Ext_More, ext); err != nil {
panic(err)
}
greetings := []string{"adg", "easy", "cow"}
if err := proto.SetExtension(msg, pb.E_Greeting, greetings); err != nil {
panic(err)
}
// Add an unknown extension. We marshal a pb.Ext, and fake the ID.
b, err := proto.Marshal(&pb.Ext{Data: proto.String("3G skiing")})
if err != nil {
panic(err)
}
b = append(proto.EncodeVarint(201<<3|proto.WireBytes), b...)
proto.SetRawExtension(msg, 201, b)
// Extensions can be plain fields, too, so let's test that.
b = append(proto.EncodeVarint(202<<3|proto.WireVarint), 19)
proto.SetRawExtension(msg, 202, b)
return msg
}
func TestExtend(t *testing.T) {
fp, err := fieldpath.NewFloat64Path("test", "MyExtendable", test.ThetestDescription(), "FieldA")
if err != nil {
panic(err)
}
m := &test.MyExtendable{}
err = proto.SetExtension(m, test.E_FieldA, proto.Float64(10.0))
if err != nil {
panic(err)
}
buf, err := proto.Marshal(m)
if err != nil {
panic(err)
}
var unmarshalled float64
f := FuncHandler{
Float64Func: func(v float64) {
t.Logf("unmarshalled %v", v)
unmarshalled = v
},
}
unmarshaler := fieldpath.NewFloat64Unmarshaler(fp, f)
err = unmarshaler.Unmarshal(buf)
if err != nil {
panic(err)
}
if unmarshalled != float64(10.0) {
panic(fmt.Errorf("wtf %v", unmarshalled))
}
}
func TestNoMergeExtensionMerge(t *testing.T) {
r := rand.New(rand.NewSource(time.Now().UnixNano()))
bigm := test.NewPopulatedMyExtendable(r, true)
m := test.NewPopulatedNinOptNative(r, true)
err := proto.SetExtension(bigm, test.E_FieldB, m)
if err != nil {
panic(err)
}
data, err := proto.Marshal(bigm)
if err != nil {
panic(err)
}
key := uint32(101)<<3 | uint32(2)
data2 := make([]byte, 10)
n := binary.PutUvarint(data2, uint64(key))
data2 = data2[:n]
data = append(data, data2...)
data4, err := proto.Marshal(test.NewPopulatedNinOptNative(r, true))
if err != nil {
panic(err)
}
data3 := make([]byte, 10)
n = binary.PutUvarint(data3, uint64(len(data4)))
data3 = data3[:n]
data = append(data, data3...)
data = append(data, data4...)
err = fieldpath.NoMerge(data, test.ThetestDescription(), "test", "MyExtendable")
if err == nil || !strings.Contains(err.Error(), "requires merging") {
t.Fatalf("should require merging")
}
}
func TestExtensionsNoExtensionsMapSetExtension(t *testing.T) {
m := NewPopulatedNoExtensionsMap(extr, false)
err := proto.SetExtension(m, E_FieldA1, &fieldA)
if err != nil {
panic(err)
}
check(t, m, fieldA, E_FieldA1)
}
func init() {
ext := &pb.Ext{
Data: proto.String("extension"),
}
if err := proto.SetExtension(cloneTestMessage, pb.E_Ext_More, ext); err != nil {
panic("SetExtension: " + err.Error())
}
}
func TestExtensionsMyExtendable(t *testing.T) {
m := NewPopulatedMyExtendable(extr, false)
err := proto.SetExtension(m, E_FieldA, &fieldA)
if err != nil {
panic(err)
}
check(t, m, fieldA, E_FieldA)
proto.SetRawExtension(m, 100, fieldABytes)
check(t, m, fieldA, E_FieldA)
}
func TestNoMergeExtensionNoMerge(t *testing.T) {
r := rand.New(rand.NewSource(time.Now().UnixNano()))
bigm := test.NewPopulatedMyExtendable(r, true)
m := test.NewPopulatedNinOptNative(r, true)
err := proto.SetExtension(bigm, test.E_FieldB, m)
if err != nil {
panic(err)
}
data, err := proto.Marshal(bigm)
if err != nil {
panic(err)
}
err = fieldpath.NoMerge(data, test.ThetestDescription(), "test", "MyExtendable")
if err != nil {
panic(err)
}
}
func TestGetExtensionsWithMissingExtensions(t *testing.T) {
msg := &pb.MyMessage{}
ext1 := &pb.Ext{}
if err := proto.SetExtension(msg, pb.E_Ext_More, ext1); err != nil {
t.Fatalf("Could not set ext1: %s", ext1)
}
exts, err := proto.GetExtensions(msg, []*proto.ExtensionDesc{
pb.E_Ext_More,
pb.E_Ext_Text,
})
if err != nil {
t.Fatalf("GetExtensions() failed: %s", err)
}
if exts[0] != ext1 {
t.Errorf("ext1 not in returned extensions: %T %v", exts[0], exts[0])
}
if exts[1] != nil {
t.Errorf("ext2 in returned extensions: %T %v", exts[1], exts[1])
}
}