1 package mergo_test
2
3 import (
4 "testing"
5
6 "github.com/imdario/mergo"
7 )
8
9 type user struct {
10 Name string
11 }
12
13 type token struct {
14 User *user
15 Token *string
16 }
17
18 func TestIssue149(t *testing.T) {
19 dest := &token{
20 User: &user{
21 Name: "destination",
22 },
23 Token: nil,
24 }
25 tokenValue := "Issue149"
26 src := &token{
27 User: nil,
28 Token: &tokenValue,
29 }
30 if err := mergo.Merge(dest, src, mergo.WithOverwriteWithEmptyValue); err != nil {
31 t.Error(err)
32 }
33 if dest.User != nil {
34 t.Errorf("expected nil User, got %q", dest.User)
35 }
36 if dest.Token == nil {
37 t.Errorf("expected not nil Token, got %q", *dest.Token)
38 }
39 }
40
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