apply/make Travis's json-format branch prototype to work with latest restructured master; added StatusCode to JSONOutput server-function contract

examples/formats/json/go/.gitignore

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+vendor/
+/go
+/app
+/__uberscript__
+
+func.yaml

examples/formats/json/go/README.md

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+# Go using JSON format
+
+This example uses the `json` input format.

examples/formats/json/go/func.go

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+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"os"
+)
+
+type Person struct {
+	Name string
+}
+
+type JSONInput struct {
+	RequestURL string `json:"request_url"`
+	CallID     string `json:"call_id"`
+	Method     string `json:"method"`
+	Body       string `json:"body"`
+}
+
+func (a *JSONInput) String() string {
+	return fmt.Sprintf("request_url=%s\ncall_id=%s\nmethod=%s\n\nbody=%s",
+		a.RequestURL, a.CallID, a.Method, a.Body)
+}
+
+type JSONOutput struct {
+	StatusCode int `json:"status"`
+	Body string `json:"body"`
+}
+
+func main() {
+	// p := &Person{Name: "World"}
+	// json.Unmarshal(os.Stdin).Decode(p)
+	// mapD := map[string]string{"message": fmt.Sprintf("Hello %s", p.Name)}
+	// mapB, _ := json.Marshal(mapD)
+	// fmt.Println(string(mapB))
+
+	dec := json.NewDecoder(os.Stdin)
+	enc := json.NewEncoder(os.Stdout)
+	var loopCounter = 0
+	for {
+		loopCounter++
+		log.Println("loopCounter:", loopCounter)
+
+		in := &JSONInput{}
+		if err := dec.Decode(in); err != nil {
+			log.Fatalln(err)
+			return
+		}
+		log.Println("JSONInput: ", in)
+
+		person := Person{}
+                if in.Body != "" {
+			if err := json.Unmarshal([]byte(in.Body), &person); err != nil {
+				log.Fatalln(err)
+			}
+                }
+
+		log.Println("Person: ", person)
+
+		mapResult := map[string]string{"message": fmt.Sprintf("Hello %s", person.Name)}
+		out := &JSONOutput{StatusCode: 200}
+		b, _ := json.Marshal(mapResult)
+		out.Body = string(b)
+		if err := enc.Encode(out); err != nil {
+			log.Fatalln(err)
+		}
+	}
+}

examples/formats/json/go/sample.payload.json

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+{
+    "Name": "Johnny"
+}

examples/formats/json/go/test.json

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+{
+    "tests": [
+        {
+            "input": {
+                "body": {
+                    "name": "Johnny"
+                }
+            },
+            "output": {
+                "body": {
+                    "message": "Hello Johnny"
+                }
+            }
+        },
+        {
+            "input": {
+                "body": ""
+            },
+            "output": {
+                "body": {
+                    "message": "Hello World"
+                }
+            }
+        }
+    ]
+}