How to use Send method of grpcext Package

Best K6 code snippet using grpcext.Send

reflect.go

Source:reflect.go

...83// which is too much in the case the requirement is to just make a reflection's request.84// It makes the API more restricted and with a controlled surface,85// in this way the testing should be easier also.86type sendReceiver interface {87	Send(*reflectpb.ServerReflectionRequest) error88	Recv() (*reflectpb.ServerReflectionResponse, error)89}90// sendReceive sends a request to a reflection client and,91// receives a response.92func sendReceive(93	client sendReceiver,94	req *reflectpb.ServerReflectionRequest,95) (*reflectpb.ServerReflectionResponse, error) {96	if err := client.Send(req); err != nil {97		return nil, fmt.Errorf("can't send request: %w", err)98	}99	resp, err := client.Recv()100	if err != nil {101		return nil, fmt.Errorf("can't receive response: %w", err)102	}103	return resp, nil104}105type fileDescriptorLookupKey struct {106	Package string107	Name    string108}...

access_test.go

Source:access_test.go

...26func (s *memorySink) Sync() error  { return nil }27type tService struct {28	pingpong.UnimplementedPingPongServer29}30func (s *tService) SendPing(ctx context.Context, req *pingpong.Ping) (*pingpong.Pong, error) {31	AddToLog(ctx, bag.Field{32		Key:   "token",33		Value: "abcd",34	})35	if req.Message == "return error" {36		return nil, status.Error(codes.Unknown, "pong error")37	}38	return &pingpong.Pong{Message: "pong"}, nil39}40type accessSuite struct {41	suite.Suite42	listener       *bufconn.Listener43	gRPCServer     *grpc.Server44	pingPongServer pingpong.PingPongServer45	sink           *memorySink46}47func newAccessSuite() *accessSuite {48	return &accessSuite{49		sink: &memorySink{new(bytes.Buffer)},50	}51}52func (s *accessSuite) bufDialer(context.Context, string) (net.Conn, error) {53	return s.listener.Dial()54}55func (s *accessSuite) SetupSuite() {56	// Define a new scheme to write into memory sink.57	err := zap.RegisterSink("memory", func(*url.URL) (zap.Sink, error) {58		return s.sink, nil59	})60	require.Nil(s.T(), err)61}62func (s *accessSuite) SetupTest() {63	accessLogger := NewLogger(zlog.New(s.sink))64	s.gRPCServer = grpc.NewServer(grpc.UnaryInterceptor(UnaryServerInterceptor(accessLogger)))65	s.pingPongServer = &tService{}66	s.listener = bufconn.Listen(bufSize)67	pingpong.RegisterPingPongServer(s.gRPCServer, s.pingPongServer)68	go func() {69		err := s.gRPCServer.Serve(s.listener)70		assert.Nil(s.T(), err)71	}()72}73func (s *accessSuite) AfterTest(_, _ string) {74	s.gRPCServer.GracefulStop()75	s.sink.Reset()76}77func (s *accessSuite) TestUnaryServerInterceptor_OkReply() {78	t := s.T()79	ctx := context.Background()80	conn, err := grpc.DialContext(ctx, "bufnet", grpc.WithContextDialer(s.bufDialer), grpc.WithInsecure())81	require.Nil(t, err)82	defer conn.Close()83	client := pingpong.NewPingPongClient(conn)84	req := &pingpong.Ping{}85	_, err = client.SendPing(ctx, req)86	require.Nil(t, err)87	entry := s.sink.String()88	assert.Contains(t, entry, `"grpc.method":"SendPing"`)89	assert.Contains(t, entry, `"grpc.code":"OK"`)90	assert.Contains(t, entry, "grpc.start_time")91	assert.Contains(t, entry, "grpc.duration_ms")92	assert.Contains(t, entry, `"token":"abcd"`)93}94func (s *accessSuite) TestUnaryServerInterceptor_ErrReply() {95	t := s.T()96	conn, err := grpc.DialContext(context.Background(), "bufnet", grpc.WithContextDialer(s.bufDialer), grpc.WithInsecure())97	require.Nil(t, err)98	defer conn.Close()99	client := pingpong.NewPingPongClient(conn)100	req := &pingpong.Ping{101		Message: "return error",102	}103	_, err = client.SendPing(context.Background(), req)104	require.NotNil(t, err)105	entry := s.sink.String()106	assert.Contains(t, entry, `"grpc.method":"SendPing"`)107	assert.Contains(t, entry, `"grpc.code":"Unknown"`)108	assert.Contains(t, entry, "grpc.start_time")109	assert.Contains(t, entry, "grpc.duration_ms")110	assert.Contains(t, entry, `error":"rpc error: code = Unknown desc = pong error"`)111	assert.Contains(t, entry, `"token":"abcd"`)112}113func TestAccessLogInterceptor(t *testing.T) {114	suite.Run(t, newAccessSuite())115}...

chat.go

Source:chat.go

...39// Exports returns the exports of the module.40func (mi *ModuleInstance) Exports() modules.Exports {41	return modules.Exports{42		Named: map[string]interface{}{43			"send": mi.OpenAndSend,44		},45	}46}47func (mi *ModuleInstance) OpenAndSend(addr string, method string, payload goja.Value) (*grpcext.Response, error) {48	ctx, cancel := context.WithTimeout(mi.vu.Context(), 5*time.Second)49	defer cancel()50	notls := grpc.WithTransportCredentials(insecure.NewCredentials())51	conn, err := grpcext.Dial(ctx, addr, notls)52	if err != nil {53		return nil, fmt.Errorf("dialing failed: %w", err)54	}55	defer conn.Close()56	md, err := mi.methodDescriptor(ctx, conn, method)57	if err != nil {58		return nil, err59	}60	req := grpcext.Request{61		MethodDescriptor: md,...

Send

Using AI Code Generation

1import (2func main() {3	opts = append(opts, grpc.WithInsecure())4	opts = append(opts, grpc.WithBlock())5	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)6	defer cancel()7	conn, err := grpc.DialContext(ctx, "localhost:8080", opts...)8	if err != nil {9		log.Fatalf("did not connect: %v", err)10	}11	defer conn.Close()12	client := examplepb.NewEchoServiceClient(conn)13	md := metadata.Pairs("username", "user1")14	ctx = metadata.NewOutgoingContext(context.Background(), md)15	r, err := client.Echo(ctx, &examplepb.EchoRequest{Message: "hello world"})16	if err != nil {17		log.Fatalf("could not greet: %v", err)18	}19	log.Printf("Greeting: %s", r.Message)20	r, err = client.Echo(ctx, &examplepb.EchoRequest{Message: "hello world"})21	if err != nil {22		log.Fatalf("could not greet: %v", err)23	}24	log.Printf("Greeting: %s", r.Message)25	r, err = client.Echo(ctx, &examplepb.EchoRequest{Message: "hello world"})26	if err != nil {27		log.Fatalf("could not greet: %v", err)28	}29	log.Printf("Greeting: %s", r.Message)30}31import (

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