How to use methodFromProto method of grpcext Package

Best K6 code snippet using grpcext.methodFromProto

conn_test.go

Source:conn_test.go

...28		return nil29	}30	c := Conn{raw: invokemock(helloReply)}31	r := Request{32		MethodDescriptor: methodFromProto("SayHello"),33		Message:          []byte(`{"greeting":"text request"}`),34	}35	res, err := c.Invoke(context.Background(), "/hello.HelloService/SayHello", metadata.New(nil), r)36	require.NoError(t, err)37	assert.Equal(t, codes.OK, res.Status)38	assert.Equal(t, map[string]interface{}{"reply": "text reply"}, res.Message)39	assert.Empty(t, res.Error)40}41func TestInvokeWithCallOptions(t *testing.T) {42	t.Parallel()43	reply := func(in, out *dynamicpb.Message, opts ...grpc.CallOption) error {44		assert.Len(t, opts, 3) // two by default plus one injected45		return nil46	}47	c := Conn{raw: invokemock(reply)}48	r := Request{49		MethodDescriptor: methodFromProto("NoOp"),50		Message:          []byte(`{}`),51	}52	res, err := c.Invoke(context.Background(), "/hello.HelloService/NoOp", metadata.New(nil), r, grpc.UseCompressor("fakeone"))53	require.NoError(t, err)54	assert.NotNil(t, res)55}56func TestInvokeReturnError(t *testing.T) {57	t.Parallel()58	helloReply := func(in, out *dynamicpb.Message, _ ...grpc.CallOption) error {59		return fmt.Errorf("test error")60	}61	c := Conn{raw: invokemock(helloReply)}62	r := Request{63		MethodDescriptor: methodFromProto("SayHello"),64		Message:          []byte(`{"greeting":"text request"}`),65	}66	res, err := c.Invoke(context.Background(), "/hello.HelloService/SayHello", metadata.New(nil), r)67	require.NoError(t, err)68	assert.Equal(t, codes.Unknown, res.Status)69	assert.NotEmpty(t, res.Error)70	assert.Equal(t, map[string]interface{}{"reply": ""}, res.Message)71}72func TestConnInvokeInvalid(t *testing.T) {73	t.Parallel()74	var (75		// valid arguments76		ctx        = context.Background()77		url        = "not-empty-url-for-method"78		md         = metadata.New(nil)79		methodDesc = methodFromProto("SayHello")80		payload    = []byte(`{"greeting":"test"}`)81	)82	req := Request{83		MethodDescriptor: methodDesc,84		Message:          payload,85	}86	tests := []struct {87		name   string88		ctx    context.Context89		md     metadata.MD90		url    string91		req    Request92		experr string93	}{94		{95			name:   "EmptyMethod",96			ctx:    ctx,97			url:    "",98			md:     md,99			req:    req,100			experr: "url is required",101		},102		{103			name:   "NullMethodDescriptor",104			ctx:    ctx,105			url:    url,106			md:     nil,107			req:    Request{Message: payload},108			experr: "method descriptor is required",109		},110		{111			name:   "NullMessage",112			ctx:    ctx,113			url:    url,114			md:     nil,115			req:    Request{MethodDescriptor: methodDesc},116			experr: "message is required",117		},118		{119			name:   "EmptyMessage",120			ctx:    ctx,121			url:    url,122			md:     nil,123			req:    Request{MethodDescriptor: methodDesc, Message: []byte{}},124			experr: "message is required",125		},126	}127	for _, tt := range tests {128		tt := tt129		t.Run(tt.name, func(t *testing.T) {130			t.Parallel()131			c := Conn{}132			res, err := c.Invoke(tt.ctx, tt.url, tt.md, tt.req)133			require.Error(t, err)134			require.Nil(t, res)135			assert.Contains(t, err.Error(), tt.experr)136		})137	}138}139func TestResolveFileDescriptors(t *testing.T) {140	t.Parallel()141	tests := []struct {142		name                string143		pkgs                []string144		services            []string145		expectedDescriptors int146	}{147		{148			name:                "SuccessSamePackage",149			pkgs:                []string{"mypkg"},150			services:            []string{"Service1", "Service2", "Service3"},151			expectedDescriptors: 3,152		},153		{154			name:                "SuccessMultiPackages",155			pkgs:                []string{"mypkg1", "mypkg2", "mypkg3"},156			services:            []string{"Service", "Service", "Service"},157			expectedDescriptors: 3,158		},159		{160			name:                "DeduplicateServices",161			pkgs:                []string{"mypkg1"},162			services:            []string{"Service1", "Service2", "Service1"},163			expectedDescriptors: 2,164		},165		{166			name:                "NoServices",167			services:            []string{},168			expectedDescriptors: 0,169		},170	}171	for _, tt := range tests {172		tt := tt173		t.Run(tt.name, func(t *testing.T) {174			t.Parallel()175			var (176				lsr  = &reflectpb.ListServiceResponse{}177				mock = &getServiceFileDescriptorMock{}178			)179			for i, service := range tt.services {180				// if only one package is defined then181				// the package is the same for every service182				pkg := tt.pkgs[0]183				if len(tt.pkgs) > 1 {184					pkg = tt.pkgs[i]185				}186				lsr.Service = append(lsr.Service, &reflectpb.ServiceResponse{187					Name: fmt.Sprintf("%s.%s", pkg, service),188				})189				mock.pkgs = append(mock.pkgs, pkg)190				mock.names = append(mock.names, service)191			}192			rc := reflectionClient{}193			fdset, err := rc.resolveServiceFileDescriptors(mock, lsr)194			require.NoError(t, err)195			assert.Len(t, fdset.File, tt.expectedDescriptors)196		})197	}198}199type getServiceFileDescriptorMock struct {200	pkgs  []string201	names []string202	nreqs int64203}204func (m *getServiceFileDescriptorMock) Send(req *reflectpb.ServerReflectionRequest) error {205	// TODO: check that the sent message is expected,206	// otherwise return an error207	return nil208}209func (m *getServiceFileDescriptorMock) Recv() (*reflectpb.ServerReflectionResponse, error) {210	n := atomic.AddInt64(&m.nreqs, 1)211	ptr := func(s string) (sptr *string) {212		return &s213	}214	index := n - 1215	fdp := &descriptorpb.FileDescriptorProto{216		Package: ptr(m.pkgs[index]),217		Name:    ptr(m.names[index]),218	}219	b, err := proto.Marshal(fdp)220	if err != nil {221		return nil, err222	}223	srr := &reflectpb.ServerReflectionResponse{224		MessageResponse: &reflectpb.ServerReflectionResponse_FileDescriptorResponse{225			FileDescriptorResponse: &reflectpb.FileDescriptorResponse{226				FileDescriptorProto: [][]byte{b},227			},228		},229	}230	return srr, nil231}232func methodFromProto(method string) protoreflect.MethodDescriptor {233	parser := protoparse.Parser{234		InferImportPaths: false,235		Accessor: protoparse.FileAccessor(func(filename string) (io.ReadCloser, error) {236			b := `237syntax = "proto3";238package hello;239service HelloService {240  rpc SayHello(HelloRequest) returns (HelloResponse);241  rpc NoOp(Empty) returns (Empty);242  rpc LotsOfReplies(HelloRequest) returns (stream HelloResponse);243  rpc LotsOfGreetings(stream HelloRequest) returns (HelloResponse);244  rpc BidiHello(stream HelloRequest) returns (stream HelloResponse);245}246message HelloRequest {...

methodFromProto

Using AI Code Generation

1import (2type server struct{}3func (s *server) SayHello(ctx context.Context, in *HelloRequest) (*HelloReply, error) {4    return &HelloReply{Message: "Hello " + in.Name}, nil5}6func (s *server) SayHelloAgain(ctx context.Context, in *HelloRequest) (*HelloReply, error) {7    return &HelloReply{Message: "Hello again " + in.Name}, nil8}9func (s *server) SayHelloAgainAgain(ctx context.Context, in *HelloRequest) (*HelloReply, error) {10    return &HelloReply{Message: "Hello again again " + in.Name}, nil11}12func (s *server) SayHelloAgainAgainAgain(ctx context.Context, in *HelloRequest) (*HelloReply, error) {13    return &HelloReply{Message: "Hello again again again " + in.Name}, nil14}15func (s *server) SayHelloAgainAgainAgainAgain(ctx context.Context, in *HelloRequest) (*HelloReply, error) {16    return &HelloReply{Message: "Hello again again again again " + in.Name}, nil17}18func (s *server) SayHelloAgainAgainAgainAgainAgain(ctx context.Context, in *HelloRequest) (*HelloReply, error) {19    return &HelloReply{Message: "Hello

methodFromProto

Using AI Code Generation

1import (2func main() {3	creds := credentials.NewClientTLSFromCert(nil, "")4	conn, err := grpc.Dial("localhost:8080", grpc.WithTransportCredentials(creds))5	if err != nil {6		grpclog.Fatalf("fail to dial: %v", err)7	}8	defer conn.Close()9	grpcext.MethodFromProto(nil)10}

methodFromProto

Using AI Code Generation

1import (2const (3type server struct {4}5func (s *server) SayHello(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {6	return &pb.HelloReply{Message: "Hello " + in.Name}, nil7}8func (s *server) SayHellos(in *pb.HelloRequest, stream pb.Greeter_SayHellosServer) error {9	for i := 0; i < 10; i++ {10		if err := stream.Send(&pb.HelloReply{Message: "Hello " + in.Name + " " + strconv.Itoa(i)}); err != nil {11		}12	}13}14func (s *server) SayHelloClientStream(stream pb.Greeter_SayHelloClientStreamServer) error {15	for {16		in, err := stream.Recv()17		if err == io.EOF {18			return stream.SendAndClose(&pb.HelloReply{Message: "Hello " + in.Name})19		}20		if err != nil {21		}22		grpclog.Printf("Received: %v", in.Name)23	}24}25func (s *server) SayHelloServerStream(in *pb.HelloRequest, stream pb.Greeter_SayHelloServerStreamServer) error {26	for i := 0; i < 10; i++ {27		if err := stream.Send(&pb.HelloReply{Message: "Hello " +

methodFromProto

Using AI Code Generation

1import (2func main() {3	conn, err := grpc.Dial("localhost:50051", grpc.WithInsecure())4	if err != nil {5		log.Fatalf("did not connect: %v", err)6	}7	defer conn.Close()8	c := pb.NewDescriptorServiceClient(conn)9	ctx, cancel := context.WithTimeout(context.Background(), time.Second)10	defer cancel()11	md := metadata.Pairs("username", "admin", "password", "admin")12	ctx = metadata.NewOutgoingContext(ctx, md)13	r, err := c.FindSymbol(ctx, &pb.FileDescriptorSet{File: []*pb.FileDescriptorProto{}})14	if err != nil {15		grpclog.Fatalf("fail to dial: %v", err)16	}17	fmt.Println(r)18}19import (20func main() {21	conn, err := grpc.Dial("localhost:50051", grpc.WithInsecure())22	if err != nil {23		log.Fatalf("did not connect: %v", err)24	}25	defer conn.Close()26	c := pb.NewDescriptorServiceClient(conn)27	ctx, cancel := context.WithTimeout(context.Background(), time.Second)28	defer cancel()29	md := metadata.Pairs("username", "admin", "password", "admin")30	ctx = metadata.NewOutgoingContext(ctx, md)31	r, err := c.FindSymbol(ctx, &pb.FileDescriptorSet{File: []*pb.FileDescriptorProto{}})32	if err != nil {33		grpclog.Fatalf("fail to dial: %v", err)34	}35	fmt.Println(r)36}37import (

methodFromProto

Using AI Code Generation

1import (2type server struct {3}4func (s *server) Echo(ctx context.Context, in *pb.EchoRequest) (*pb.EchoResponse, error) {5	grpclog.Println("Received: ", in.GetMessage())6	return &pb.EchoResponse{Message: in.GetMessage()}, nil7}8func main() {9	lis, err := net.Listen("tcp", ":8080")10	if err != nil {11		log.Fatalf("failed to listen: %v", err)12	}13	s := grpc.NewServer(grpc.CustomCodec(grpcext.NewCodec()))14	pb.RegisterEchoServiceServer(s, &server{})15	s.Serve(lis)16}17import (18func main() {19	conn, err := grpc.Dial("localhost:8080", grpc.WithInsecure(), grpc.WithCodec(grpcext.NewCodec()))20	if err != nil {21		grpclog.Fatalf("fail to dial: %v", err)22	}23	defer conn.Close()24	client := pb.NewEchoServiceClient(conn)25	grpclog.Printf("Sending message %q", message)26	resp, err := client.Echo(context.Background(), &pb.EchoRequest{Message: message})27	if err != nil {28		grpclog.Fatalf("%v.Echo(_) = _, %v: ", client, err)29	}30	grpclog.Printf("Got message %q", resp.Message)31}32func NewCodec() grpc.Codec {33	return &codec{}34}35type codec struct {36}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.