1 package mergo_test
2
3 import (
4 "reflect"
5 "testing"
6
7 "dario.cat/mergo"
8 )
9
10 type structWithStringMap struct {
11 Data map[string]string
12 }
13
14 func TestIssue90(t *testing.T) {
15 dst := map[string]structWithStringMap{
16 "struct": {
17 Data: nil,
18 },
19 }
20 src := map[string]structWithStringMap{
21 "struct": {
22 Data: map[string]string{
23 "foo": "bar",
24 },
25 },
26 }
27 expected := map[string]structWithStringMap{
28 "struct": {
29 Data: map[string]string{
30 "foo": "bar",
31 },
32 },
33 }
34
35 err := mergo.Merge(&dst, src, mergo.WithOverride)
36 if err != nil {
37 t.Errorf("unexpected error %v", err)
38 }
39
40 if !reflect.DeepEqual(dst, expected) {
41 t.Errorf("expected: %#v\ngot: %#v", expected, dst)
42 }
43 }
44
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