Populating http handler with test scaffolding

pkg/storage/storage.go

@@ -1,12 +1,28 @@
 package storage
 
-import "errors"
+import (
+	"bytes"
+	"errors"
+	"io"
+)
 
-func Start() (chan<- string, <-chan error) {
+type Storage struct{}
+
+func (storage *Storage) CopyObjectToWriter(w io.Writer, bucket string, object string) error {
+	// TODO synchronize access
+	// get object
+	objectData := "OBJECT: " + bucket + " - " + object
+	objectBuffer := bytes.NewBufferString(objectData)
+	// copy object to writer
+	_, err := io.Copy(w, objectBuffer)
+	return err
+}
+
+func Start() (chan<- string, <-chan error, *Storage) {
 	ctrlChannel := make(chan string)
 	errorChannel := make(chan error)
 	go start(ctrlChannel, errorChannel)
-	return ctrlChannel, errorChannel
+	return ctrlChannel, errorChannel, &Storage{}
 }
 
 func start(ctrlChannel <-chan string, errorChannel chan<- error) {