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package json
import (
"github.com/stretchr/testify/assert"
"testing"
)
func TestJSON_Unmarshal(t *testing.T) {
testCases := []struct {
name string
input []byte
keys []string
values []interface{}
isErr bool
}{
{
name: "Empty JSON",
input: []byte(`{}`),
},
{
name: "Valid JSON",
input: []byte(`{
"key": "val",
"name": "test",
"number": 2
}`),
keys: []string{"key", "name", "number"},
values: []interface{}{"val", "test", 2.0},
},
{
name: "Invalid JSON - missing curly brace",
input: []byte(`{
"key": "val",`),
isErr: true,
},
{
name: "Complex JSON - All types",
input: []byte(`{
"array": [
1,
2,
3
],
"boolean": true,
"color": "gold",
"null": null,
"number": 123,
"object": {
"a": "b",
"c": "d"
},
"string": "Hello World"
}`),
keys: []string{"array", "boolean", "color", "null", "number", "object", "string"},
values: []interface{}{[]interface{}{1.0, 2.0, 3.0},
true,
"gold",
nil,
123.0,
map[string]interface{}{"a": "b", "c": "d"},
"Hello World"},
},
{
name: "Invalid JSON - missing comma",
input: []byte(`{
"boolean": true
"number": 123
}`),
isErr: true,
},
{
name: "Invalid JSON - Redundant comma",
input: []byte(`{
"number": 123,
}`),
isErr: true,
},
}
j := Parser()
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
out, err := j.Unmarshal(tc.input)
if tc.isErr {
assert.NotNil(t, err)
} else {
assert.Nil(t, err)
for i, k := range tc.keys {
v := out[k]
assert.Equal(t, tc.values[i], v)
}
}
})
}
}
func TestJSON_Marshal(t *testing.T) {
testCases := []struct {
name string
input map[string]interface{}
output []byte
isErr bool
}{
{
name: "Empty JSON",
input: map[string]interface{}{},
output: []byte(`{}`),
},
{
name: "Valid JSON",
input: map[string]interface{}{
"key": "val",
"name": "test",
"number": 2.0,
},
output: []byte(`{"key":"val","name":"test","number":2}`),
},
{
name: "Complex JSON - All types",
input: map[string]interface{}{
"array": []interface{}{1, 2, 3, 4, 5},
"boolean": true,
"color": "gold",
"null": nil,
"number": 123,
"object": map[string]interface{}{"a": "b", "c": "d"},
"string": "Hello World",
},
output: []byte(`{"array":[1,2,3,4,5],"boolean":true,"color":"gold","null":null,"number":123,"object":{"a":"b","c":"d"},"string":"Hello World"}`),
},
}
j := Parser()
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
out, err := j.Marshal(tc.input)
if tc.isErr {
assert.NotNil(t, err)
} else {
assert.Nil(t, err)
assert.Equal(t, tc.output, out)
}
})
}
}
|
