164 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			164 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package rpc
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import (
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	"encoding/json"
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	"net"
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	"reflect"
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	"testing"
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	"time"
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	"golang.org/x/net/context"
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)
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type Service struct{}
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type Args struct {
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	S string
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}
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func (s *Service) NoArgsRets() {
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}
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type Result struct {
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	String string
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	Int    int
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	Args   *Args
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}
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func (s *Service) Echo(str string, i int, args *Args) Result {
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	return Result{str, i, args}
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}
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func (s *Service) EchoWithCtx(ctx context.Context, str string, i int, args *Args) Result {
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	return Result{str, i, args}
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}
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func (s *Service) Sleep(ctx context.Context, duration time.Duration) {
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	select {
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	case <-time.After(duration):
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	case <-ctx.Done():
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	}
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}
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func (s *Service) Rets() (string, error) {
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	return "", nil
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}
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func (s *Service) InvalidRets1() (error, string) {
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	return nil, ""
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}
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func (s *Service) InvalidRets2() (string, string) {
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	return "", ""
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}
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func (s *Service) InvalidRets3() (string, string, error) {
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	return "", "", nil
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}
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func (s *Service) Subscription(ctx context.Context) (*Subscription, error) {
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	return nil, nil
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}
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func TestServerRegisterName(t *testing.T) {
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	server := NewServer()
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	service := new(Service)
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	if err := server.RegisterName("calc", service); err != nil {
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		t.Fatalf("%v", err)
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	}
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	if len(server.services) != 2 {
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		t.Fatalf("Expected 2 service entries, got %d", len(server.services))
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	}
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	svc, ok := server.services["calc"]
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	if !ok {
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		t.Fatalf("Expected service calc to be registered")
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	}
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	if len(svc.callbacks) != 5 {
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		t.Errorf("Expected 5 callbacks for service 'calc', got %d", len(svc.callbacks))
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	}
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	if len(svc.subscriptions) != 1 {
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		t.Errorf("Expected 1 subscription for service 'calc', got %d", len(svc.subscriptions))
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	}
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}
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func testServerMethodExecution(t *testing.T, method string) {
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	server := NewServer()
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	service := new(Service)
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	if err := server.RegisterName("test", service); err != nil {
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		t.Fatalf("%v", err)
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	}
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	stringArg := "string arg"
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	intArg := 1122
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	argsArg := &Args{"abcde"}
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	params := []interface{}{stringArg, intArg, argsArg}
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	request := map[string]interface{}{
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		"id":      12345,
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		"method":  "test_" + method,
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		"version": "2.0",
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		"params":  params,
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	}
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	clientConn, serverConn := net.Pipe()
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	defer clientConn.Close()
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	go server.ServeCodec(NewJSONCodec(serverConn), OptionMethodInvocation)
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	out := json.NewEncoder(clientConn)
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	in := json.NewDecoder(clientConn)
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	if err := out.Encode(request); err != nil {
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		t.Fatal(err)
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	}
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	response := jsonSuccessResponse{Result: &Result{}}
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	if err := in.Decode(&response); err != nil {
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		t.Fatal(err)
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	}
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	if result, ok := response.Result.(*Result); ok {
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		if result.String != stringArg {
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			t.Errorf("expected %s, got : %s\n", stringArg, result.String)
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		}
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		if result.Int != intArg {
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			t.Errorf("expected %d, got %d\n", intArg, result.Int)
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		}
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		if !reflect.DeepEqual(result.Args, argsArg) {
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			t.Errorf("expected %v, got %v\n", argsArg, result)
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		}
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	} else {
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		t.Fatalf("invalid response: expected *Result - got: %T", response.Result)
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	}
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}
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func TestServerMethodExecution(t *testing.T) {
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	testServerMethodExecution(t, "echo")
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}
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func TestServerMethodWithCtx(t *testing.T) {
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	testServerMethodExecution(t, "echoWithCtx")
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}
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