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rpc/lib: no Result wrapper

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This commit is contained in:
Ethan Buchman 2017-04-28 22:04:14 -04:00
parent 07e59e63f9
commit 884060eb9b
1 changed files with 35 additions and 77 deletions
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112
rpc/lib/rpc_test.go
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@ -29,59 +29,22 @@ const (
websocketEndpoint = "/websocket/endpoint"
)
// Define a type for results and register concrete versions
type ResultInner interface{}
type Result struct {
ResultInner `json:"unwrap"`
}
func (r Result) MarshalJSON() ([]byte, error) {
return resultMapper.ToJSON(r.ResultInner)
}
func (r *Result) UnmarshalJSON(data []byte) (err error) {
parsed, err := resultMapper.FromJSON(data)
if err == nil && parsed != nil {
r.ResultInner = parsed.(ResultInner)
}
return
}
func (r Result) Unwrap() ResultInner {
tmrI := r.ResultInner
for wrap, ok := tmrI.(Result); ok; wrap, ok = tmrI.(Result) {
tmrI = wrap.ResultInner
}
return tmrI
}
func (r Result) Empty() bool {
return r.ResultInner == nil
}
type ResultEcho struct {
Value string
Value string `json:"value"`
}
type ResultEchoInt struct {
Value int
Value int `json:"value"`
}
type ResultEchoBytes struct {
Value []byte
Value []byte `json:"value"`
}
type ResultEchoDataBytes struct {
Value data.Bytes
Value data.Bytes `json:"value"`
}
var resultMapper = data.NewMapper(Result{}).
RegisterImplementation(&ResultEcho{}, "echo", 0x1).
RegisterImplementation(&ResultEchoBytes{}, "echo_bytes", 0x2).
RegisterImplementation(&ResultEchoDataBytes{}, "echo_data_bytes", 0x3).
RegisterImplementation(&ResultEchoInt{}, "echo_int", 0x4)
// Define some routes
var Routes = map[string]*server.RPCFunc{
"echo": server.NewRPCFunc(EchoResult, "arg"),
@ -91,24 +54,24 @@ var Routes = map[string]*server.RPCFunc{
"echo_int": server.NewRPCFunc(EchoIntResult, "arg"),
}
func EchoResult(v string) (Result, error) {
return Result{&ResultEcho{v}}, nil
func EchoResult(v string) (*ResultEcho, error) {
return &ResultEcho{v}, nil
}
func EchoWSResult(wsCtx types.WSRPCContext, v string) (Result, error) {
return Result{&ResultEcho{v}}, nil
func EchoWSResult(wsCtx types.WSRPCContext, v string) (*ResultEcho, error) {
return &ResultEcho{v}, nil
}
func EchoIntResult(v int) (Result, error) {
return Result{&ResultEchoInt{v}}, nil
func EchoIntResult(v int) (*ResultEchoInt, error) {
return &ResultEchoInt{v}, nil
}
func EchoBytesResult(v []byte) (Result, error) {
return Result{&ResultEchoBytes{v}}, nil
func EchoBytesResult(v []byte) (*ResultEchoBytes, error) {
return &ResultEchoBytes{v}, nil
}
func EchoDataBytesResult(v data.Bytes) (Result, error) {
return Result{&ResultEchoDataBytes{v}}, nil
func EchoDataBytesResult(v data.Bytes) (*ResultEchoDataBytes, error) {
return &ResultEchoDataBytes{v}, nil
}
// launch unix and tcp servers
@ -152,44 +115,44 @@ func echoViaHTTP(cl client.HTTPClient, val string) (string, error) {
params := map[string]interface{}{
"arg": val,
}
var result Result
if _, err := cl.Call("echo", params, &result); err != nil {
result := new(ResultEcho)
if _, err := cl.Call("echo", params, result); err != nil {
return "", err
}
return result.Unwrap().(*ResultEcho).Value, nil
return result.Value, nil
}
func echoIntViaHTTP(cl client.HTTPClient, val int) (int, error) {
params := map[string]interface{}{
"arg": val,
}
var result Result
if _, err := cl.Call("echo_int", params, &result); err != nil {
result := new(ResultEchoInt)
if _, err := cl.Call("echo_int", params, result); err != nil {
return 0, err
}
return result.Unwrap().(*ResultEchoInt).Value, nil
return result.Value, nil
}
func echoBytesViaHTTP(cl client.HTTPClient, bytes []byte) ([]byte, error) {
params := map[string]interface{}{
"arg": bytes,
}
var result Result
if _, err := cl.Call("echo_bytes", params, &result); err != nil {
result := new(ResultEchoBytes)
if _, err := cl.Call("echo_bytes", params, result); err != nil {
return []byte{}, err
}
return result.Unwrap().(*ResultEchoBytes).Value, nil
return result.Value, nil
}
func echoDataBytesViaHTTP(cl client.HTTPClient, bytes data.Bytes) (data.Bytes, error) {
params := map[string]interface{}{
"arg": bytes,
}
var result Result
if _, err := cl.Call("echo_data_bytes", params, &result); err != nil {
result := new(ResultEchoDataBytes)
if _, err := cl.Call("echo_data_bytes", params, result); err != nil {
return []byte{}, err
}
return result.Unwrap().(*ResultEchoDataBytes).Value, nil
return result.Value, nil
}
func testWithHTTPClient(t *testing.T, cl client.HTTPClient) {
@ -225,12 +188,12 @@ func echoViaWS(cl *client.WSClient, val string) (string, error) {
select {
case msg := <-cl.ResultsCh:
result := new(Result)
result := new(ResultEcho)
err = json.Unmarshal(msg, result)
if err != nil {
return "", nil
}
return result.Unwrap().(*ResultEcho).Value, nil
return result.Value, nil
case err := <-cl.ErrorsCh:
return "", err
}
@ -247,12 +210,12 @@ func echoBytesViaWS(cl *client.WSClient, bytes []byte) ([]byte, error) {
select {
case msg := <-cl.ResultsCh:
result := new(Result)
result := new(ResultEchoBytes)
err = json.Unmarshal(msg, result)
if err != nil {
return []byte{}, nil
}
return result.Unwrap().(*ResultEchoBytes).Value, nil
return result.Value, nil
case err := <-cl.ErrorsCh:
return []byte{}, err
}
@ -320,20 +283,15 @@ func TestWSNewWSRPCFunc(t *testing.T) {
params := map[string]interface{}{
"arg": val,
}
err = cl.WriteJSON(types.RPCRequest{
JSONRPC: "2.0",
ID: "",
Method: "echo_ws",
Params: params,
})
err = cl.Call("echo_ws", params)
require.Nil(t, err)
select {
case msg := <-cl.ResultsCh:
result := new(Result)
result := new(ResultEcho)
err = json.Unmarshal(msg, result)
require.Nil(t, err)
got := result.Unwrap().(*ResultEcho).Value
got := result.Value
assert.Equal(t, got, val)
case err := <-cl.ErrorsCh:
t.Fatal(err)
@ -358,10 +316,10 @@ func TestWSHandlesArrayParams(t *testing.T) {
select {
case msg := <-cl.ResultsCh:
result := new(Result)
result := new(ResultEcho)
err = json.Unmarshal(msg, result)
require.Nil(t, err)
got := result.Unwrap().(*ResultEcho).Value
got := result.Value
assert.Equal(t, got, val)
case err := <-cl.ErrorsCh:
t.Fatalf("%+v", err)