1 package extra
2
3 import (
4 "github.com/json-iterator/go"
5 "github.com/stretchr/testify/require"
6 "testing"
7 )
8
9 func Test_lower_case_with_underscores(t *testing.T) {
10 should := require.New(t)
11 should.Equal("hello_world", LowerCaseWithUnderscores("helloWorld"))
12 should.Equal("hello_world", LowerCaseWithUnderscores("HelloWorld"))
13 SetNamingStrategy(LowerCaseWithUnderscores)
14 output, err := jsoniter.Marshal(struct {
15 UserName string
16 FirstLanguage string
17 }{
18 UserName: "taowen",
19 FirstLanguage: "Chinese",
20 })
21 should.Nil(err)
22 should.Equal(`{"user_name":"taowen","first_language":"Chinese"}`, string(output))
23 }
24
25 func Test_set_naming_strategy_with_overrides(t *testing.T) {
26 should := require.New(t)
27 SetNamingStrategy(LowerCaseWithUnderscores)
28 output, err := jsoniter.Marshal(struct {
29 UserName string `json:"UserName"`
30 FirstLanguage string
31 }{
32 UserName: "taowen",
33 FirstLanguage: "Chinese",
34 })
35 should.Nil(err)
36 should.Equal(`{"UserName":"taowen","first_language":"Chinese"}`, string(output))
37 }
38
39 func Test_set_naming_strategy_with_omitempty(t *testing.T) {
40 should := require.New(t)
41 SetNamingStrategy(LowerCaseWithUnderscores)
42 output, err := jsoniter.Marshal(struct {
43 UserName string
44 FirstLanguage string `json:",omitempty"`
45 }{
46 UserName: "taowen",
47 })
48 should.Nil(err)
49 should.Equal(`{"user_name":"taowen"}`, string(output))
50 }
51
52 func Test_set_naming_strategy_with_private_field(t *testing.T) {
53 should := require.New(t)
54 SetNamingStrategy(LowerCaseWithUnderscores)
55 output, err := jsoniter.Marshal(struct {
56 UserName string
57 userId int
58 _UserAge int
59 }{
60 UserName: "allen",
61 userId: 100,
62 _UserAge: 30,
63 })
64 should.Nil(err)
65 should.Equal(`{"user_name":"allen"}`, string(output))
66 }
67
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