diff --git a/spike/review/reinvent/ezmded/server/server.go b/spike/review/reinvent/ezmded/server/server.go
index 0676b82..fa031bf 100644
--- a/spike/review/reinvent/ezmded/server/server.go
+++ b/spike/review/reinvent/ezmded/server/server.go
@@ -71,6 +71,13 @@ func (server *Server) apiV0TreeHandler(w http.ResponseWriter, r *http.Request) e
 	return json.NewEncoder(w).Encode(branches)
 }
 
+func ensureAndWrite(p string, b []byte) error {
+	if err := os.MkdirAll(path.Dir(p), os.ModePerm); err != nil {
+		return err
+	}
+	return ioutil.WriteFile(p, b, os.ModePerm)
+}
+
 func (server *Server) apiV0MediaHandler(w http.ResponseWriter, r *http.Request) error {
 	if r.Method != http.MethodPost {
 		http.NotFound(w, r)
@@ -81,8 +88,7 @@ func (server *Server) apiV0MediaHandler(w http.ResponseWriter, r *http.Request)
 		return err
 	}
 	id := uuid.New().String()
-	os.MkdirAll(path.Dir(server.diskMediaPath(id)), os.ModePerm)
-	if err := ioutil.WriteFile(server.diskMediaPath(id), b, os.ModePerm); err != nil {
+	if err := ensureAndWrite(server.diskMediaPath(id), b); err != nil {
 		return err
 	}
 	return json.NewEncoder(w).Encode(map[string]map[string]string{
diff --git a/spike/review/reinvent/ezmded/server/server_test.go b/spike/review/reinvent/ezmded/server/server_test.go
index ee982ec..e5bdd6c 100644
--- a/spike/review/reinvent/ezmded/server/server_test.go
+++ b/spike/review/reinvent/ezmded/server/server_test.go
@@ -2,11 +2,8 @@ package main
 
 import (
 	"bytes"
-	"io/ioutil"
 	"net/http"
 	"net/http/httptest"
-	"os"
-	"path"
 	"testing"
 )
 
@@ -16,8 +13,7 @@ func TestServerRoutes(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	os.MkdirAll(path.Dir(server.diskMediaPath("id")), os.ModePerm)
-	ioutil.WriteFile(server.diskMediaPath("id"), []byte("hi"), os.ModePerm)
+	ensureAndWrite(server.diskMediaPath("id"), []byte("hi"))
 
 	cases := map[string]struct {
 		path   string