package rpc
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
crand "crypto/rand"
|
|
"encoding/json"
|
|
"fmt"
|
|
"math/rand"
|
|
"net/http"
|
|
"os"
|
|
"os/exec"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/go-kit/kit/log/term"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
amino "github.com/tendermint/go-amino"
|
|
cmn "github.com/tendermint/tmlibs/common"
|
|
"github.com/tendermint/tmlibs/log"
|
|
|
|
client "github.com/tendermint/tendermint/rpc/lib/client"
|
|
server "github.com/tendermint/tendermint/rpc/lib/server"
|
|
types "github.com/tendermint/tendermint/rpc/lib/types"
|
|
)
|
|
|
|
// Client and Server should work over tcp or unix sockets
|
|
const (
|
|
tcpAddr = "tcp://0.0.0.0:47768"
|
|
|
|
unixSocket = "/tmp/rpc_test.sock"
|
|
unixAddr = "unix://" + unixSocket
|
|
|
|
websocketEndpoint = "/websocket/endpoint"
|
|
)
|
|
|
|
type ResultEcho struct {
|
|
Value string `json:"value"`
|
|
}
|
|
|
|
type ResultEchoInt struct {
|
|
Value int `json:"value"`
|
|
}
|
|
|
|
type ResultEchoBytes struct {
|
|
Value []byte `json:"value"`
|
|
}
|
|
|
|
type ResultEchoDataBytes struct {
|
|
Value cmn.HexBytes `json:"value"`
|
|
}
|
|
|
|
// Define some routes
|
|
var Routes = map[string]*server.RPCFunc{
|
|
"echo": server.NewRPCFunc(EchoResult, "arg"),
|
|
"echo_ws": server.NewWSRPCFunc(EchoWSResult, "arg"),
|
|
"echo_bytes": server.NewRPCFunc(EchoBytesResult, "arg"),
|
|
"echo_data_bytes": server.NewRPCFunc(EchoDataBytesResult, "arg"),
|
|
"echo_int": server.NewRPCFunc(EchoIntResult, "arg"),
|
|
}
|
|
|
|
// Amino codec required to encode/decode everything above.
|
|
var RoutesCdc = amino.NewCodec()
|
|
|
|
func EchoResult(v string) (*ResultEcho, error) {
|
|
return &ResultEcho{v}, nil
|
|
}
|
|
|
|
func EchoWSResult(wsCtx types.WSRPCContext, v string) (*ResultEcho, error) {
|
|
return &ResultEcho{v}, nil
|
|
}
|
|
|
|
func EchoIntResult(v int) (*ResultEchoInt, error) {
|
|
return &ResultEchoInt{v}, nil
|
|
}
|
|
|
|
func EchoBytesResult(v []byte) (*ResultEchoBytes, error) {
|
|
return &ResultEchoBytes{v}, nil
|
|
}
|
|
|
|
func EchoDataBytesResult(v cmn.HexBytes) (*ResultEchoDataBytes, error) {
|
|
return &ResultEchoDataBytes{v}, nil
|
|
}
|
|
|
|
func TestMain(m *testing.M) {
|
|
setup()
|
|
code := m.Run()
|
|
os.Exit(code)
|
|
}
|
|
|
|
var colorFn = func(keyvals ...interface{}) term.FgBgColor {
|
|
for i := 0; i < len(keyvals)-1; i += 2 {
|
|
if keyvals[i] == "socket" {
|
|
if keyvals[i+1] == "tcp" {
|
|
return term.FgBgColor{Fg: term.DarkBlue}
|
|
} else if keyvals[i+1] == "unix" {
|
|
return term.FgBgColor{Fg: term.DarkCyan}
|
|
}
|
|
}
|
|
}
|
|
return term.FgBgColor{}
|
|
}
|
|
|
|
// launch unix and tcp servers
|
|
func setup() {
|
|
logger := log.NewTMLoggerWithColorFn(log.NewSyncWriter(os.Stdout), colorFn)
|
|
|
|
cmd := exec.Command("rm", "-f", unixSocket)
|
|
err := cmd.Start()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if err = cmd.Wait(); err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
tcpLogger := logger.With("socket", "tcp")
|
|
mux := http.NewServeMux()
|
|
server.RegisterRPCFuncs(mux, Routes, RoutesCdc, tcpLogger)
|
|
wm := server.NewWebsocketManager(Routes, RoutesCdc, server.ReadWait(5*time.Second), server.PingPeriod(1*time.Second))
|
|
wm.SetLogger(tcpLogger)
|
|
mux.HandleFunc(websocketEndpoint, wm.WebsocketHandler)
|
|
go func() {
|
|
_, err := server.StartHTTPServer(tcpAddr, mux, tcpLogger, server.Config{})
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}()
|
|
|
|
unixLogger := logger.With("socket", "unix")
|
|
mux2 := http.NewServeMux()
|
|
server.RegisterRPCFuncs(mux2, Routes, RoutesCdc, unixLogger)
|
|
wm = server.NewWebsocketManager(Routes, RoutesCdc)
|
|
wm.SetLogger(unixLogger)
|
|
mux2.HandleFunc(websocketEndpoint, wm.WebsocketHandler)
|
|
go func() {
|
|
_, err := server.StartHTTPServer(unixAddr, mux2, unixLogger, server.Config{})
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}()
|
|
|
|
// wait for servers to start
|
|
time.Sleep(time.Second * 2)
|
|
}
|
|
|
|
func echoViaHTTP(cl client.HTTPClient, val string) (string, error) {
|
|
params := map[string]interface{}{
|
|
"arg": val,
|
|
}
|
|
result := new(ResultEcho)
|
|
if _, err := cl.Call("echo", params, result); err != nil {
|
|
return "", err
|
|
}
|
|
return result.Value, nil
|
|
}
|
|
|
|
func echoIntViaHTTP(cl client.HTTPClient, val int) (int, error) {
|
|
params := map[string]interface{}{
|
|
"arg": val,
|
|
}
|
|
result := new(ResultEchoInt)
|
|
if _, err := cl.Call("echo_int", params, result); err != nil {
|
|
return 0, err
|
|
}
|
|
return result.Value, nil
|
|
}
|
|
|
|
func echoBytesViaHTTP(cl client.HTTPClient, bytes []byte) ([]byte, error) {
|
|
params := map[string]interface{}{
|
|
"arg": bytes,
|
|
}
|
|
result := new(ResultEchoBytes)
|
|
if _, err := cl.Call("echo_bytes", params, result); err != nil {
|
|
return []byte{}, err
|
|
}
|
|
return result.Value, nil
|
|
}
|
|
|
|
func echoDataBytesViaHTTP(cl client.HTTPClient, bytes cmn.HexBytes) (cmn.HexBytes, error) {
|
|
params := map[string]interface{}{
|
|
"arg": bytes,
|
|
}
|
|
result := new(ResultEchoDataBytes)
|
|
if _, err := cl.Call("echo_data_bytes", params, result); err != nil {
|
|
return []byte{}, err
|
|
}
|
|
return result.Value, nil
|
|
}
|
|
|
|
func testWithHTTPClient(t *testing.T, cl client.HTTPClient) {
|
|
val := "acbd"
|
|
got, err := echoViaHTTP(cl, val)
|
|
require.Nil(t, err)
|
|
assert.Equal(t, got, val)
|
|
|
|
val2 := randBytes(t)
|
|
got2, err := echoBytesViaHTTP(cl, val2)
|
|
require.Nil(t, err)
|
|
assert.Equal(t, got2, val2)
|
|
|
|
val3 := cmn.HexBytes(randBytes(t))
|
|
got3, err := echoDataBytesViaHTTP(cl, val3)
|
|
require.Nil(t, err)
|
|
assert.Equal(t, got3, val3)
|
|
|
|
val4 := rand.Intn(10000)
|
|
got4, err := echoIntViaHTTP(cl, val4)
|
|
require.Nil(t, err)
|
|
assert.Equal(t, got4, val4)
|
|
}
|
|
|
|
func echoViaWS(cl *client.WSClient, val string) (string, error) {
|
|
params := map[string]interface{}{
|
|
"arg": val,
|
|
}
|
|
err := cl.Call(context.Background(), "echo", params)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
msg := <-cl.ResponsesCh
|
|
if msg.Error != nil {
|
|
return "", err
|
|
|
|
}
|
|
result := new(ResultEcho)
|
|
err = json.Unmarshal(msg.Result, result)
|
|
if err != nil {
|
|
return "", nil
|
|
}
|
|
return result.Value, nil
|
|
}
|
|
|
|
func echoBytesViaWS(cl *client.WSClient, bytes []byte) ([]byte, error) {
|
|
params := map[string]interface{}{
|
|
"arg": bytes,
|
|
}
|
|
err := cl.Call(context.Background(), "echo_bytes", params)
|
|
if err != nil {
|
|
return []byte{}, err
|
|
}
|
|
|
|
msg := <-cl.ResponsesCh
|
|
if msg.Error != nil {
|
|
return []byte{}, msg.Error
|
|
|
|
}
|
|
result := new(ResultEchoBytes)
|
|
err = json.Unmarshal(msg.Result, result)
|
|
if err != nil {
|
|
return []byte{}, nil
|
|
}
|
|
return result.Value, nil
|
|
}
|
|
|
|
func testWithWSClient(t *testing.T, cl *client.WSClient) {
|
|
val := "acbd"
|
|
got, err := echoViaWS(cl, val)
|
|
require.Nil(t, err)
|
|
assert.Equal(t, got, val)
|
|
|
|
val2 := randBytes(t)
|
|
got2, err := echoBytesViaWS(cl, val2)
|
|
require.Nil(t, err)
|
|
assert.Equal(t, got2, val2)
|
|
}
|
|
|
|
//-------------
|
|
|
|
func TestServersAndClientsBasic(t *testing.T) {
|
|
serverAddrs := [...]string{tcpAddr, unixAddr}
|
|
for _, addr := range serverAddrs {
|
|
cl1 := client.NewURIClient(addr)
|
|
fmt.Printf("=== testing server on %s using URI client", addr)
|
|
testWithHTTPClient(t, cl1)
|
|
|
|
cl2 := client.NewJSONRPCClient(addr)
|
|
fmt.Printf("=== testing server on %s using JSONRPC client", addr)
|
|
testWithHTTPClient(t, cl2)
|
|
|
|
cl3 := client.NewWSClient(addr, websocketEndpoint)
|
|
cl3.SetLogger(log.TestingLogger())
|
|
err := cl3.Start()
|
|
require.Nil(t, err)
|
|
fmt.Printf("=== testing server on %s using WS client", addr)
|
|
testWithWSClient(t, cl3)
|
|
cl3.Stop()
|
|
}
|
|
}
|
|
|
|
func TestHexStringArg(t *testing.T) {
|
|
cl := client.NewURIClient(tcpAddr)
|
|
// should NOT be handled as hex
|
|
val := "0xabc"
|
|
got, err := echoViaHTTP(cl, val)
|
|
require.Nil(t, err)
|
|
assert.Equal(t, got, val)
|
|
}
|
|
|
|
func TestQuotedStringArg(t *testing.T) {
|
|
cl := client.NewURIClient(tcpAddr)
|
|
// should NOT be unquoted
|
|
val := "\"abc\""
|
|
got, err := echoViaHTTP(cl, val)
|
|
require.Nil(t, err)
|
|
assert.Equal(t, got, val)
|
|
}
|
|
|
|
func TestWSNewWSRPCFunc(t *testing.T) {
|
|
cl := client.NewWSClient(tcpAddr, websocketEndpoint)
|
|
cl.SetLogger(log.TestingLogger())
|
|
err := cl.Start()
|
|
require.Nil(t, err)
|
|
defer cl.Stop()
|
|
|
|
val := "acbd"
|
|
params := map[string]interface{}{
|
|
"arg": val,
|
|
}
|
|
err = cl.Call(context.Background(), "echo_ws", params)
|
|
require.Nil(t, err)
|
|
|
|
msg := <-cl.ResponsesCh
|
|
if msg.Error != nil {
|
|
t.Fatal(err)
|
|
}
|
|
result := new(ResultEcho)
|
|
err = json.Unmarshal(msg.Result, result)
|
|
require.Nil(t, err)
|
|
got := result.Value
|
|
assert.Equal(t, got, val)
|
|
}
|
|
|
|
func TestWSHandlesArrayParams(t *testing.T) {
|
|
cl := client.NewWSClient(tcpAddr, websocketEndpoint)
|
|
cl.SetLogger(log.TestingLogger())
|
|
err := cl.Start()
|
|
require.Nil(t, err)
|
|
defer cl.Stop()
|
|
|
|
val := "acbd"
|
|
params := []interface{}{val}
|
|
err = cl.CallWithArrayParams(context.Background(), "echo_ws", params)
|
|
require.Nil(t, err)
|
|
|
|
msg := <-cl.ResponsesCh
|
|
if msg.Error != nil {
|
|
t.Fatalf("%+v", err)
|
|
}
|
|
result := new(ResultEcho)
|
|
err = json.Unmarshal(msg.Result, result)
|
|
require.Nil(t, err)
|
|
got := result.Value
|
|
assert.Equal(t, got, val)
|
|
}
|
|
|
|
// TestWSClientPingPong checks that a client & server exchange pings
|
|
// & pongs so connection stays alive.
|
|
func TestWSClientPingPong(t *testing.T) {
|
|
cl := client.NewWSClient(tcpAddr, websocketEndpoint)
|
|
cl.SetLogger(log.TestingLogger())
|
|
err := cl.Start()
|
|
require.Nil(t, err)
|
|
defer cl.Stop()
|
|
|
|
time.Sleep(6 * time.Second)
|
|
}
|
|
|
|
func randBytes(t *testing.T) []byte {
|
|
n := rand.Intn(10) + 2
|
|
buf := make([]byte, n)
|
|
_, err := crand.Read(buf)
|
|
require.Nil(t, err)
|
|
return bytes.Replace(buf, []byte("="), []byte{100}, -1)
|
|
}
|