/
decoder_test.go
166 lines (148 loc) · 6.27 KB
/
decoder_test.go
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
166
package jsonpath
import (
"bytes"
"fmt"
"reflect"
"testing"
)
var decoderSkipTests = []struct {
in string
path []interface{}
match bool
err error
out interface{}
}{
{in: `{}`, path: []interface{}{"a", "b2"}, match: false, err: nil},
{in: `{"a":{"b":{"c":14}}}`, path: []interface{}{"a"}, match: true, out: map[string]interface{}{"b": map[string]interface{}{"c": float64(14)}}, err: nil},
{in: `{"a":{"b":{"c":14}}}`, path: []interface{}{"a", "b"}, match: true, out: map[string]interface{}{"c": float64(14)}, err: nil},
{in: `{"a":{"b":{"c":14}}}`, path: []interface{}{"a", "b", "c"}, match: true, out: float64(14), err: nil},
{in: `{"a":{"d":{"b":{"c":3}}, "b":{"c":14}}}`, path: []interface{}{"a", "b", "c"}, match: true, out: float64(14), err: nil},
{in: `{"a":{"b":{"c":14},"b2":3}}`, path: []interface{}{"a", "b2"}, match: true, out: float64(3), err: nil},
{in: `[]`, path: []interface{}{2}, match: false, err: nil},
{in: `[0,1]`, path: []interface{}{0}, match: true, out: float64(0), err: nil},
{in: `[0,1,2]`, path: []interface{}{2}, match: true, out: float64(2), err: nil},
{in: `[0,1 , 2]`, path: []interface{}{2}, match: true, out: float64(2), err: nil},
{in: `[0,{"b":1},2]`, path: []interface{}{1}, match: true, out: map[string]interface{}{"b": float64(1)}, err: nil},
{in: `[1,{"b":1},2]`, path: []interface{}{2}, match: true, out: float64(2), err: nil},
{in: `[1,{"b":[1]},2]`, path: []interface{}{2}, match: true, out: float64(2), err: nil},
{in: `[1,[{"b":[1]},3],2]`, path: []interface{}{2}, match: true, out: float64(2), err: nil},
{in: `[1,[{"b":[1]},3],4]`, path: []interface{}{1, 1}, match: true, out: float64(3), err: nil},
{in: `[1,[{"b":[1]},3],2]`, path: []interface{}{1, 0, "b", 0}, match: true, out: float64(1), err: nil},
{in: `[1,[{"b":[1]},3],5]`, path: []interface{}{2}, match: true, out: float64(5), err: nil},
{in: `{"b":[{"a":0},{"a":1}]}`, path: []interface{}{"b", 0, "a"}, match: true, out: float64(0), err: nil},
{in: `{"b":[{"a":0},{"a":1}]}`, path: []interface{}{"b", 1, "a"}, match: true, out: float64(1), err: nil},
{in: `{"a":"b","b":"z","z":"s"}`, path: []interface{}{"b"}, match: true, out: "z", err: nil},
{in: `{"a":"b","b":"z","l":0,"z":"s"}`, path: []interface{}{"z"}, match: true, out: "s", err: nil},
}
func TestDecoderSeekTo(t *testing.T) {
var testDesc string
var v interface{}
var match bool
var err error
for ti, tst := range decoderSkipTests {
w := NewDecoder(bytes.NewBuffer([]byte(tst.in)))
testDesc = fmt.Sprintf("#%v '%s'", ti, tst.in)
match, err = w.SeekTo(tst.path...)
if match != tst.match {
t.Errorf("#%v expected match=%v was match=%v : %v", ti, tst.match, match, testDesc)
}
if !reflect.DeepEqual(err, tst.err) {
t.Errorf("#%v unexpected error: '%v' expecting '%v' : %v", ti, err, tst.err, testDesc)
}
if match {
if err = w.Decode(&v); err != nil {
t.Errorf("#%v decode: error: '%v' : %v", ti, err, testDesc)
}
if !reflect.DeepEqual(v, tst.out) {
t.Errorf("#%v decode: expected %#v, was %#v : %v", ti, tst.out, v, testDesc)
}
}
}
}
func TestDecoderMoveMultiple(t *testing.T) {
j := []byte(`
{
"foo": 1,
"bar": 2,
"test": "Hello, world!",
"baz": 123.1,
"array": [
{"foo": 1},
{"bar": 2},
{"baz": 3}
],
"subobj": {
"foo": 1,
"subarray": [1,2,3],
"subsubobj": {
"bar": 2,
"baz": 3,
"array": ["hello", "world"]
}
},
"bool": true
}`)
tests := [][]struct {
path []interface{}
out interface{}
match bool
}{
{ // Every Element
{path: []interface{}{"foo"}, match: true, out: float64(1)},
{path: []interface{}{"bar"}, match: true, out: float64(2)},
{path: []interface{}{"test"}, match: true, out: "Hello, world!"},
{path: []interface{}{"baz"}, match: true, out: float64(123.1)},
{path: []interface{}{"array", 0, "foo"}, match: true, out: float64(1)},
{path: []interface{}{"array", 1, "bar"}, match: true, out: float64(2)},
{path: []interface{}{"array", 2, "baz"}, match: true, out: float64(3)},
{path: []interface{}{"subobj", "foo"}, match: true, out: float64(1)},
{path: []interface{}{"subobj", "subarray", 0}, match: true, out: float64(1)},
{path: []interface{}{"subobj", "subarray", 1}, match: true, out: float64(2)},
{path: []interface{}{"subobj", "subarray", 2}, match: true, out: float64(3)},
{path: []interface{}{"subobj", "subsubobj", "bar"}, match: true, out: float64(2)},
{path: []interface{}{"subobj", "subsubobj", "baz"}, match: true, out: float64(3)},
{path: []interface{}{"subobj", "subsubobj", "array", 0}, match: true, out: "hello"},
{path: []interface{}{"subobj", "subsubobj", "array", 1}, match: true, out: "world"},
{path: []interface{}{"bool"}, match: true, out: true},
},
{ // Deep, then shallow
{path: []interface{}{"subobj", "subsubobj", "array", 0}, match: true, out: "hello"},
{path: []interface{}{"bool"}, match: true, out: true},
},
{ // Complex, then shallow
{path: []interface{}{"array"}, match: true, out: []interface{}{map[string]interface{}{"foo": float64(1)}, map[string]interface{}{"bar": float64(2)}, map[string]interface{}{"baz": float64(3)}}},
{path: []interface{}{"subobj", "subsubobj"}, match: true, out: map[string]interface{}{"bar": float64(2), "baz": float64(3), "array": []interface{}{"hello", "world"}}},
{path: []interface{}{"bool"}, match: true, out: true},
},
{
{path: []interface{}{"foo"}, match: true, out: float64(1)},
{path: []interface{}{"test"}, match: true, out: "Hello, world!"},
{path: []interface{}{"array", 1, "bar"}, match: true, out: float64(2)},
{path: []interface{}{"subobj", "subarray", 1}, match: true, out: float64(2)},
{path: []interface{}{"subobj", "subarray", 2}, match: true, out: float64(3)},
{path: []interface{}{"subobj", "subsubobj", "array", 1}, match: true, out: "world"},
},
}
for _, tst := range tests {
w := NewDecoder(bytes.NewBuffer(j))
var err error
var v interface{}
var m bool
for i, step := range tst {
m, err = w.SeekTo(step.path...)
if m != step.match {
t.Errorf("@%v expected match=%v, but was match=%v", i, step.match, m)
}
if err != nil {
t.Errorf("unexpected error: %v", err)
}
err = w.Decode(&v)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if !reflect.DeepEqual(v, step.out) {
t.Errorf("expected %v but was %v", step.out, v)
}
}
}
}