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|
package proto
import (
"fmt"
"reflect"
"testing"
)
type RecursiveMessage struct {
Next *RecursiveMessage `protobuf:"bytes,1,opt,name=next,proto3"`
}
func TestTypeOf(t *testing.T) {
tests := []struct {
value any
proto string
}{
// primitive types
{value: true, proto: "bool"},
{value: int(1), proto: "int64"},
{value: int32(1), proto: "int32"},
{value: int64(1), proto: "int64"},
{value: uint(1), proto: "uint64"},
{value: uint32(1), proto: "uint32"},
{value: uint64(1), proto: "uint64"},
{value: float32(1), proto: "float"},
{value: float64(1), proto: "double"},
{value: "hello", proto: "string"},
{value: []byte("A"), proto: "bytes"},
// map types
{value: map[int]string{}, proto: "map<int64, string>"},
// struct types
{
value: struct{}{},
proto: `message {}`,
},
{
value: struct{ A int }{},
proto: `message {
int64 A = 1;
}`,
},
{
value: struct {
A int `protobuf:"varint,1,opt,name=hello,proto3"`
B string `protobuf:"bytes,3,rep,name=world,proto3"`
}{},
proto: `message {
int64 hello = 1;
repeated string world = 3;
}`,
},
{
value: RecursiveMessage{},
proto: `message RecursiveMessage {
RecursiveMessage next = 1;
}`,
},
{
value: struct {
M RawMessage
}{},
proto: `message {
bytes M = 1;
}`,
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("%T", test.value), func(t *testing.T) {
typ := TypeOf(reflect.TypeOf(test.value))
str := typ.String()
if str != test.proto {
t.Error("protobuf representation mismatch")
t.Log("want:", test.proto)
t.Log("got: ", str)
}
})
}
}
func TestTypesAreEqual(t *testing.T) {
if TypeOf(reflect.TypeOf(true)) != TypeOf(reflect.TypeOf(false)) {
t.Error("type of true is not equal to type of false")
}
}
func TestTypesAreNotEqual(t *testing.T) {
if TypeOf(reflect.TypeOf(false)) == TypeOf(reflect.TypeOf(0)) {
t.Error("type of bool equal type of int")
}
}
func TestParseStructTag(t *testing.T) {
tests := []struct {
str string
tag structTag
}{
{
str: `bytes,1,rep,name=next,proto3`,
tag: structTag{
name: "next",
version: 3,
wireType: Varlen,
fieldNumber: 1,
extensions: map[string]string{},
repeated: true,
},
},
{
str: `bytes,5,opt,name=key,proto3`,
tag: structTag{
name: "key",
version: 3,
wireType: Varlen,
fieldNumber: 5,
extensions: map[string]string{},
},
},
{
str: `fixed64,6,opt,name=seed,proto3`,
tag: structTag{
name: "seed",
version: 3,
wireType: Fixed64,
fieldNumber: 6,
extensions: map[string]string{},
},
},
{
str: `varint,8,opt,name=expire_after,json=expireAfter,proto3`,
tag: structTag{
name: "expire_after",
json: "expireAfter",
version: 3,
wireType: Varint,
fieldNumber: 8,
extensions: map[string]string{},
},
},
{
str: `bytes,17,opt,name=batch_key,json=batchKey,proto3,customtype=U128`,
tag: structTag{
name: "batch_key",
json: "batchKey",
version: 3,
wireType: Varlen,
fieldNumber: 17,
extensions: map[string]string{
"customtype": "U128",
},
},
},
}
for _, test := range tests {
t.Run(test.str, func(t *testing.T) {
tag, err := parseStructTag(test.str)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(tag, test.tag) {
t.Errorf("struct tag mismatch\nwant: %+v\ngot: %+v", test.tag, tag)
}
})
}
}
|
