test: cover grpc-transcode empty array responses

Author: 3kis

t/grpc_server_example/main.go

@@ -79,7 +79,6 @@ type server struct {
 	pb.UnimplementedGreeterServer
 	pb.UnimplementedTestImportServer
 	pb.UnimplementedEchoServer
-	pb.UnimplementedUserServiceServer
 }
 
 // SayHello implements helloworld.GreeterServer
@@ -233,40 +232,6 @@ func (s *server) Run(ctx context.Context, in *pb.Request) (*pb.Response, error)
 	return &pb.Response{Body: in.User.Name + " " + in.Body}, nil
 }
 
-func (s *server) GetUserInfo(ctx context.Context, in *pb.UserRequest) (*pb.UserResponse, error) {
-	switch in.GetAge() {
-	case 0:
-		return &pb.UserResponse{
-
-			Gender:  pb.UserGender_GENDER_MALE,
-			Items:   []string{"Senior member", "Exclusive service"},
-			Message: "You are an experienced user!",
-			Job: &pb.Job{
-				Items: []string{"Intern engineer"},
-			},
-		}, nil
-	case 1:
-		return &pb.UserResponse{
-
-			Gender:  pb.UserGender_GENDER_FEMALE,
-			Message: "Welcome new users!",
-			Job: &pb.Job{
-				Items: []string{"junior engineer"},
-			},
-		}, nil
-	case 2:
-		return &pb.UserResponse{
-			Gender:  pb.UserGender_GENDER_UNSPECIFIED,
-			Message: "You are an experienced user!",
-			Job:     &pb.Job{},
-		}, nil
-	default:
-		return &pb.UserResponse{
-			Gender: pb.UserGender_GENDER_UNSPECIFIED,
-		}, nil
-	}
-}
-
 func gRPCAndHTTPFunc(grpcServer *grpc.Server) http.Handler {
 	return h2c.NewHandler(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		mux := http.NewServeMux()
@@ -294,7 +259,6 @@ func main() {
 
 		reflection.Register(s)
 		pb.RegisterGreeterServer(s, &server{})
-		pb.RegisterUserServiceServer(s, &server{})
 		pb.RegisterTestImportServer(s, &server{})
 		pb.RegisterEchoServer(s, &server{})
 
@@ -332,7 +296,6 @@ func main() {
 			reflection.Register(s)
 			pb.RegisterGreeterServer(s, &server{})
 			pb.RegisterTestImportServer(s, &server{})
-			pb.RegisterUserServiceServer(s, &server{})
 
 			if err := http.Serve(lis, gRPCAndHTTPFunc(s)); err != nil {
 				log.Fatalf("failed to serve grpc: %v", err)
@@ -370,7 +333,6 @@ func main() {
 			s := grpc.NewServer(grpc.Creds(c))
 			reflection.Register(s)
 			pb.RegisterGreeterServer(s, &server{})
-			pb.RegisterUserServiceServer(s, &server{})
 			if err := s.Serve(lis); err != nil {
 				log.Fatalf("failed to serve: %v", err)
 			}