some improvements

pkg/otp/otp_test.go

@@ -0,0 +1,25 @@
+// Copyright (C) 2019 Marius Schellenberger
+
+package otp
+
+import (
+	"testing"
+)
+
+func TestNew(t *testing.T) {
+	_, err := New("admin")
+	if err != nil {
+		t.Error(err)
+	}
+}
+
+func TestImageSecretFromURL(t *testing.T) {
+	r, _ := New("admin")
+	_, secret, err := ImageSecretFromURL(r.URL)
+	if err != nil {
+		t.Error(err)
+	}
+	if secret != r.Secret {
+		t.Error("secret is not equal")
+	}
+}