Add batch handler to test utils

test_utils/test_utils.go

 package test_utils
 
 import (
+	"bytes"
 	"context"
 	"fmt"
 	"github.com/aws/aws-lambda-go/lambda"
@@ -14,7 +15,7 @@ import (
 	"os/exec"
 )
 
-func StartTestHandler(context context.Context, apiHandler lambda.Handler, sqsHandler lambda.Handler) {
+func StartTestHandler(context context.Context, apiHandler lambda.Handler, sqsHandler lambda.Handler, batchFunc func(bodyBytes []byte)) {
 	if os.Getenv("DEBUG_PROXY") == "true" {
 		StartProxy()
 	}
@@ -27,6 +28,23 @@ func StartTestHandler(context context.Context, apiHandler lambda.Handler, sqsHan
 		}
 	}))
 
+	http.HandleFunc("/batch/", debugger.Middleware(func(writer http.ResponseWriter, request *http.Request) {
+		// Read body
+		buf := new(bytes.Buffer)
+		_, err := buf.ReadFrom(request.Body)
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+		request.Body.Close()
+
+		batchFunc(buf.Bytes())
+	}, func(r *http.Request) []string {
+		return []string{
+			"path", r.RequestURI,
+		}
+	}))
+
 	http.HandleFunc("/", debugger.Middleware(func(writer http.ResponseWriter, request *http.Request) {
 		handler_utils.ServeHTTPFunctions(context, apiHandler, writer, request)
 	}, func(r *http.Request) []string {