successfully marshal a protobuf witProtobuf.Event and write it to a file

Signed-off-by: Jeff Carr <jcarr@wit.com>

example-protobuf/main.go

@@ -1,14 +1,13 @@
 package main
 
 import "io"
+import "io/ioutil"
 import "log"
 import "fmt"
 import "bytes"
+import "os"
 
-// import "os"
-// import "io/ioutil"
-
-// import "github.com/golang/protobuf/proto"
+import "github.com/golang/protobuf/proto"
 
 import pb "git.wit.com/jcarr/witProtobuf"
 
@@ -92,9 +91,29 @@ func TestWriteEvent() {
 
 	writePerson(buf, &e)
 
+	e.Id += 1
+	e.Name = "jcarrEvent2"
+	writePerson(buf, &e)
+
 	got := buf.String()
 	log.Println(got)
 
+	out := ioutil.WriteFile("/tmp/testing1.protobuf", buf.Bytes(), os.FileMode(0777))
+	log.Println("ioutil.WriteFile() = out =", out)
+
+	tmp, err := proto.Marshal(&e)
+	if err != nil {
+		log.Fatal("marshaling error: ", err)
+	}
+	out = ioutil.WriteFile("/tmp/testing2.protobuf", tmp, os.FileMode(0777))
+
+/*
+	out = ioutil.WriteFile("/tmp/testing2.protobuf", e, os.FileMode(0777))
+	log.Println("ioutil.WriteFile() = out =", out)
+*/
+
+	marshalUnmarshal()
+
 /*
 	want := `Person ID: 1234
   Name: John Doe
@@ -106,3 +125,25 @@ func TestWriteEvent() {
 	}
 */
 }
+
+func marshalUnmarshal() {
+	test := &pb.Event{
+		Id:       1234,
+		Name:     "jcarrEvent1",
+		Email:    "jcarr@wit.com",
+		Result:   []*pb.Response{
+			     {Name: "555-4321", Type: pb.EventType_ADD},
+		},
+	}
+	data, err := proto.Marshal(test)
+	if err != nil {
+		log.Fatal("marshaling error: ", err)
+	}
+	newTest := &pb.Event{}
+	err = proto.Unmarshal(data, newTest)
+	if err != nil {
+		log.Fatal("unmarshaling error: ", err)
+	} else {
+		log.Println("proto.Marshal() and proto.Unmarshal() worked")
+	}
+}