dynamic/example_test.go at master · goburrow/dynamic · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
package dynamic_test

import (
	"encoding/json"
	"fmt"

	"github.com/goburrow/dynamic"
)

type Gopher struct {
	G string
}

type Breaver struct {
	B string
}

func init() {
	dynamic.Register("go", func() interface{} { return &Gopher{} })
	dynamic.Register("br", func() interface{} { return &Breaver{} })
}

func ExampleType_unmarshal() {
	var test dynamic.Type
	data := `
{
  "type": "go",
  "G": "gopher"
}`

	if err := json.Unmarshal([]byte(data), &test); err != nil {
		fmt.Printf("%v\n", err)
		return
	}
	fmt.Printf("%#v\n", test.Value())
	// Output:
	// &dynamic_test.Gopher{G:"gopher"}
}

func ExampleType_unmarshalStruct() {
	var test struct {
		X dynamic.Type
	}
	data := `
{
  "X": {
    "type": "go",
    "G": "gopher"
  }
}`
	if err := json.Unmarshal([]byte(data), &test); err != nil {
		fmt.Printf("%v\n", err)
		return
	}
	fmt.Printf("%#v\n", test.X.Value())
	// Output:
	// &dynamic_test.Gopher{G:"gopher"}
}

func ExampleType_unmarshalList() {
	var test []dynamic.Type
	data := `
[
  {
    "type": "go",
    "G": "gopher"
  },
  {
    "Type": "br",
    "B": "breaver"
  }
]`

	if err := json.Unmarshal([]byte(data), &test); err != nil {
		fmt.Printf("%v\n", err)
		return
	}
	for _, t := range test {
		fmt.Printf("%#v\n", t.Value())
	}
	// Output:
	// &dynamic_test.Gopher{G:"gopher"}
	// &dynamic_test.Breaver{B:"breaver"}
}

func ExampleType_unmarshalListInStruct() {
	var test struct {
		X []dynamic.Type
	}
	data := `
{
  "X": [
    {
      "Type": "go",
      "G": "gopher"
    },
    {
      "type": "br",
      "B": "breaver"
    }
  ]
}`
	if err := json.Unmarshal([]byte(data), &test); err != nil {
		fmt.Printf("%v\n", err)
		return
	}
	for _, t := range test.X {
		fmt.Printf("%#v\n", t.Value())
	}
	// Output:
	// &dynamic_test.Gopher{G:"gopher"}
	// &dynamic_test.Breaver{B:"breaver"}
}

func ExampleType_marshal() {
	var test dynamic.Type

	test.SetValue(&Gopher{"gopher"})
	data, err := json.Marshal(&test)
	if err != nil {
		fmt.Printf("%v\n", err)
		return
	}
	fmt.Printf("%s\n", data)
	// Output:
	// {"G":"gopher"}
}

func ExampleType_marshalStruct() {
	var test struct {
		X dynamic.Type
		Y dynamic.Type
	}

	test.X.SetValue(&Gopher{"gopher"})
	test.Y.SetValue(&Breaver{"breaver"})
	data, err := json.Marshal(&test)
	if err != nil {
		fmt.Printf("%v\n", err)
		return
	}
	fmt.Printf("%s\n", data)
	// Output:
	// {"X":{"G":"gopher"},"Y":{"B":"breaver"}}
}

func ExampleType_marshalListInStruct() {
	var test struct {
		X []dynamic.Type
	}

	test.X = []dynamic.Type{
		dynamic.Type{&Gopher{"gopher"}},
		dynamic.Type{&Breaver{"breaver"}},
	}

	data, err := json.Marshal(&test)
	if err != nil {
		fmt.Printf("%v\n", err)
		return
	}
	fmt.Printf("%s\n", data)
	// Output:
	// {"X":[{"G":"gopher"},{"B":"breaver"}]}
}