Function ExampleUnaryInterceptorFunc

interceptor_example_test.go:27–58

()

)

func ExampleUnaryInterceptorFunc() {
	logger := log.New(os.Stdout, "" /* prefix */, 0 /* flags */)
	loggingInterceptor := connect.UnaryInterceptorFunc(
		func(next connect.UnaryFunc) connect.UnaryFunc {
			return connect.UnaryFunc(func(ctx context.Context, request connect.AnyRequest) (connect.AnyResponse, error) {
				logger.Println("calling:", request.Spec().Procedure)
				logger.Println("request:", request.Any())
				response, err := next(ctx, request)
				if err != nil {
					logger.Println("error:", err)
				} else {
					logger.Println("response:", response.Any())
				}
				return response, err
			})
		},
	)
	client := pingv1connect.NewPingServiceClient(
		examplePingServer.Client(),
		examplePingServer.URL(),
		connect.WithInterceptors(loggingInterceptor),
	)
	if _, err := client.Ping(context.Background(), &pingv1.PingRequest{Number: 42}); err != nil {
		logger.Println("error:", err)
		return
	}

	// Output:
	// calling: /connect.ping.v1.PingService/Ping
	// request: number:42
	// response: number:42
}

func ExampleWithInterceptors() {
	logger := log.New(os.Stdout, "" /* prefix */, 0 /* flags */)