clair/vendor/github.com/grpc-ecosystem/grpc-gateway/runtime/marshal_json_test.go
2017-06-13 15:58:11 -04:00

246 lines
6.5 KiB
Go

package runtime_test
import (
"bytes"
"encoding/json"
"reflect"
"strings"
"testing"
"github.com/golang/protobuf/proto"
"github.com/golang/protobuf/ptypes/empty"
structpb "github.com/golang/protobuf/ptypes/struct"
"github.com/golang/protobuf/ptypes/timestamp"
"github.com/golang/protobuf/ptypes/wrappers"
"github.com/grpc-ecosystem/grpc-gateway/examples/examplepb"
"github.com/grpc-ecosystem/grpc-gateway/runtime"
)
func TestJSONBuiltinMarshal(t *testing.T) {
var m runtime.JSONBuiltin
msg := examplepb.SimpleMessage{
Id: "foo",
}
buf, err := m.Marshal(&msg)
if err != nil {
t.Errorf("m.Marshal(%v) failed with %v; want success", &msg, err)
}
var got examplepb.SimpleMessage
if err := json.Unmarshal(buf, &got); err != nil {
t.Errorf("json.Unmarshal(%q, &got) failed with %v; want success", buf, err)
}
if want := msg; !reflect.DeepEqual(got, want) {
t.Errorf("got = %v; want %v", &got, &want)
}
}
func TestJSONBuiltinMarshalField(t *testing.T) {
var m runtime.JSONBuiltin
for _, fixt := range builtinFieldFixtures {
buf, err := m.Marshal(fixt.data)
if err != nil {
t.Errorf("m.Marshal(%v) failed with %v; want success", fixt.data, err)
}
if got, want := string(buf), fixt.json; got != want {
t.Errorf("got = %q; want %q; data = %#v", got, want, fixt.data)
}
}
}
func TestJSONBuiltinMarshalFieldKnownErrors(t *testing.T) {
var m runtime.JSONBuiltin
for _, fixt := range builtinKnownErrors {
buf, err := m.Marshal(fixt.data)
if err != nil {
t.Errorf("m.Marshal(%v) failed with %v; want success", fixt.data, err)
}
if got, want := string(buf), fixt.json; got == want {
t.Errorf("surprisingly got = %q; as want %q; data = %#v", got, want, fixt.data)
}
}
}
func TestJSONBuiltinsnmarshal(t *testing.T) {
var (
m runtime.JSONBuiltin
got examplepb.SimpleMessage
data = []byte(`{"id": "foo"}`)
)
if err := m.Unmarshal(data, &got); err != nil {
t.Errorf("m.Unmarshal(%q, &got) failed with %v; want success", data, err)
}
want := examplepb.SimpleMessage{
Id: "foo",
}
if !reflect.DeepEqual(got, want) {
t.Errorf("got = %v; want = %v", &got, &want)
}
}
func TestJSONBuiltinUnmarshalField(t *testing.T) {
var m runtime.JSONBuiltin
for _, fixt := range builtinFieldFixtures {
dest := reflect.New(reflect.TypeOf(fixt.data))
if err := m.Unmarshal([]byte(fixt.json), dest.Interface()); err != nil {
t.Errorf("m.Unmarshal(%q, dest) failed with %v; want success", fixt.json, err)
}
if got, want := dest.Elem().Interface(), fixt.data; !reflect.DeepEqual(got, want) {
t.Errorf("got = %#v; want = %#v; input = %q", got, want, fixt.json)
}
}
}
func TestJSONBuiltinUnmarshalFieldKnownErrors(t *testing.T) {
var m runtime.JSONBuiltin
for _, fixt := range builtinKnownErrors {
dest := reflect.New(reflect.TypeOf(fixt.data))
if err := m.Unmarshal([]byte(fixt.json), dest.Interface()); err == nil {
t.Errorf("m.Unmarshal(%q, dest) succeeded; want ane error", fixt.json)
}
}
}
func TestJSONBuiltinEncoder(t *testing.T) {
var m runtime.JSONBuiltin
msg := examplepb.SimpleMessage{
Id: "foo",
}
var buf bytes.Buffer
enc := m.NewEncoder(&buf)
if err := enc.Encode(&msg); err != nil {
t.Errorf("enc.Encode(%v) failed with %v; want success", &msg, err)
}
var got examplepb.SimpleMessage
if err := json.Unmarshal(buf.Bytes(), &got); err != nil {
t.Errorf("json.Unmarshal(%q, &got) failed with %v; want success", buf.String(), err)
}
if want := msg; !reflect.DeepEqual(got, want) {
t.Errorf("got = %v; want %v", &got, &want)
}
}
func TestJSONBuiltinEncoderFields(t *testing.T) {
var m runtime.JSONBuiltin
for _, fixt := range builtinFieldFixtures {
var buf bytes.Buffer
enc := m.NewEncoder(&buf)
if err := enc.Encode(fixt.data); err != nil {
t.Errorf("enc.Encode(%#v) failed with %v; want success", fixt.data, err)
}
if got, want := buf.String(), fixt.json+"\n"; got != want {
t.Errorf("got = %q; want %q; data = %#v", got, want, fixt.data)
}
}
}
func TestJSONBuiltinDecoder(t *testing.T) {
var (
m runtime.JSONBuiltin
got examplepb.SimpleMessage
data = `{"id": "foo"}`
)
r := strings.NewReader(data)
dec := m.NewDecoder(r)
if err := dec.Decode(&got); err != nil {
t.Errorf("m.Unmarshal(&got) failed with %v; want success", err)
}
want := examplepb.SimpleMessage{
Id: "foo",
}
if !reflect.DeepEqual(got, want) {
t.Errorf("got = %v; want = %v", &got, &want)
}
}
func TestJSONBuiltinDecoderFields(t *testing.T) {
var m runtime.JSONBuiltin
for _, fixt := range builtinFieldFixtures {
r := strings.NewReader(fixt.json)
dec := m.NewDecoder(r)
dest := reflect.New(reflect.TypeOf(fixt.data))
if err := dec.Decode(dest.Interface()); err != nil {
t.Errorf("dec.Decode(dest) failed with %v; want success; data = %q", err, fixt.json)
}
if got, want := dest.Elem().Interface(), fixt.data; !reflect.DeepEqual(got, want) {
t.Errorf("got = %v; want = %v; input = %q", got, want, fixt.json)
}
}
}
var (
builtinFieldFixtures = []struct {
data interface{}
json string
}{
{data: "", json: `""`},
{data: proto.String(""), json: `""`},
{data: "foo", json: `"foo"`},
{data: proto.String("foo"), json: `"foo"`},
{data: int32(-1), json: "-1"},
{data: proto.Int32(-1), json: "-1"},
{data: int64(-1), json: "-1"},
{data: proto.Int64(-1), json: "-1"},
{data: uint32(123), json: "123"},
{data: proto.Uint32(123), json: "123"},
{data: uint64(123), json: "123"},
{data: proto.Uint64(123), json: "123"},
{data: float32(-1.5), json: "-1.5"},
{data: proto.Float32(-1.5), json: "-1.5"},
{data: float64(-1.5), json: "-1.5"},
{data: proto.Float64(-1.5), json: "-1.5"},
{data: true, json: "true"},
{data: proto.Bool(true), json: "true"},
{data: (*string)(nil), json: "null"},
{data: new(empty.Empty), json: "{}"},
{data: examplepb.NumericEnum_ONE, json: "1"},
{
data: (*examplepb.NumericEnum)(proto.Int32(int32(examplepb.NumericEnum_ONE))),
json: "1",
},
}
builtinKnownErrors = []struct {
data interface{}
json string
}{
{data: examplepb.NumericEnum_ONE, json: "ONE"},
{
data: (*examplepb.NumericEnum)(proto.Int32(int32(examplepb.NumericEnum_ONE))),
json: "ONE",
},
{
data: &examplepb.ABitOfEverything_OneofString{OneofString: "abc"},
json: `"abc"`,
},
{
data: &timestamp.Timestamp{
Seconds: 1462875553,
Nanos: 123000000,
},
json: `"2016-05-10T10:19:13.123Z"`,
},
{
data: &wrappers.Int32Value{Value: 123},
json: "123",
},
{
data: &structpb.Value{
Kind: &structpb.Value_StringValue{
StringValue: "abc",
},
},
json: `"abc"`,
},
}
)