Use jsonpb to marshal stub into output proto message

example/one-of/client/main.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"context"
+	"log"
+	"os"
+	"time"
+
+	oneof "github.com/tokopedia/gripmock/example/one-of"
+
+	"google.golang.org/grpc"
+)
+
+func main() {
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
+	defer cancel()
+
+	// Set up a connection to the server.
+	conn, err := grpc.DialContext(ctx, "localhost:4770", grpc.WithInsecure(), grpc.WithBlock())
+	if err != nil {
+		log.Fatalf("did not connect: %v", err)
+	}
+	defer conn.Close()
+
+	c := oneof.NewGripmockClient(conn)
+
+	// Contact the server and print out its response.
+	name := "tokopedia"
+	if len(os.Args) > 1 {
+		name = os.Args[1]
+	}
+	r, err := c.SayHello(context.Background(), &oneof.Request{Name: name})
+	if err != nil {
+		log.Fatalf("error from grpc: %v", err)
+	}
+	log.Printf("Reply1: %s", r.GetReply1())
+	log.Printf("Reply2: %s", r.GetReply2())
+	log.Printf("ReplyType: %s", r.GetReplyType())
+}

example/one-of/entrypoint.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env sh
+
+# this file is used by .github/workflows/integration-test.yml
+
+gripmock --stub=example/one-of/stub example/one-of/oneof.proto &
+
+go run example/one-of/client/*.go