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sonic/ast/node_test.go
Yi Duan 1f13d31b5a
chore!: return error for scanning API (#81)
* chore!: return error for cast API

BREAKING CHANGE:
- Set()/Unset()/SetByIndex()/UnsetByIndex/Add() 
- Raw()/Bool()/Int64()/Float64()/Number()/Len()/Cap()
- Values()/Properties()/Map()/Array()/Interface()

Co-authored-by: duanyi.aster <duanyi.aster@bytedance.com>
2021-08-30 17:14:38 +08:00

774 lines
21 KiB
Go

/*
* Copyright 2021 ByteDance Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ast
import (
`encoding/json`
`fmt`
`reflect`
`strconv`
`testing`
`github.com/bytedance/sonic/internal/native/types`
jsoniter `github.com/json-iterator/go`
`github.com/stretchr/testify/assert`
)
var parallelism = 4
func TestTypeCast(t *testing.T) {
type tcase struct {
method string
node Node
exp interface{}
err error
}
lazyArray, _ := NewParser("[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16]").Parse()
lazyObject, _ := NewParser(`{"0":0,"1":1,"2":2,"3":3,"4":4,"5":5,"6":6,"7":7,"8":8,"9":9,"10":10,"11":11,"12":12,"13":13,"14":14,"15":15,"16":16}`).Parse()
var cases = []tcase{
{"Raw", Node{}, "", ErrUnsupportType},
{"Raw", newRawNode("[ ]", types.V_ARRAY), "[ ]", nil},
{"Bool", Node{}, false, ErrNotExist},
{"Bool", newRawNode("true", types.V_TRUE), true, nil},
{"Bool", newRawNode("false", types.V_FALSE), false, nil},
{"Int64", Node{}, int64(0), ErrNotExist},
{"Int64", newRawNode("0", _V_NUMBER), int64(0), nil},
{"Float64", Node{}, float64(0), ErrNotExist},
{"Float64", newRawNode("0.0", _V_NUMBER), float64(0.0), nil},
{"Number", Node{}, json.Number(""), ErrNotExist},
{"Number", newRawNode("0.0", _V_NUMBER), json.Number("0.0"), nil},
{"Number", newRawNode("true", types.V_TRUE), json.Number("1"), nil},
{"Number", newRawNode("false", types.V_FALSE), json.Number("0"), nil},
{"String", Node{}, "", ErrNotExist},
{"String", newRawNode(`""`, types.V_STRING), ``, nil},
{"String", newRawNode(`0.0`, _V_NUMBER), "0.0", nil},
{"String", newRawNode(`null`, types.V_NULL), "null", nil},
{"String", newRawNode(`true`, types.V_TRUE), "true", nil},
{"String", newRawNode(`false`, types.V_FALSE), "false", nil},
{"Len", NewNull(), 0, ErrUnsupportType},
{"Len", newRawNode(`"1"`, types.V_STRING), 1, nil},
{"Len", newRawNode(`[1]`, types.V_ARRAY), 0, nil},
{"Len", NewArray([]Node{NewNull()}), 1, nil},
{"Len", lazyArray, 0, nil},
{"Len", newRawNode(`{"a":1}`, types.V_OBJECT), 0, nil},
{"Len", lazyObject, 0, nil},
{"Cap", NewNull(), 0, ErrUnsupportType},
{"Cap", newRawNode(`[1]`, types.V_ARRAY), _DEFAULT_NODE_CAP, nil},
{"Cap", NewObject([]Pair{{"",NewNull()}}), 1, nil},
{"Cap", newRawNode(`{"a":1}`, types.V_OBJECT), _DEFAULT_NODE_CAP, nil},
}
lazyArray.skipAllIndex()
lazyObject.skipAllKey()
cases = append(cases,
tcase{"Len", lazyObject, 17, nil},
tcase{"Len", lazyObject, 17, nil},
tcase{"Cap", lazyObject, _DEFAULT_NODE_CAP*2, nil},
tcase{"Cap", lazyObject, _DEFAULT_NODE_CAP*2, nil},
)
for i, c := range cases {
fmt.Println(c)
rt := reflect.ValueOf(&c.node)
m := rt.MethodByName(c.method)
rets := m.Call([]reflect.Value{})
if len(rets) != 2 {
t.Fatal(i, rets)
}
if rets[0].Interface() != c.exp {
t.Fatal(i, rets[0].Interface())
}
if rets[1].Interface() != c.err {
t.Fatal(i, rets[1].Interface())
}
}
}
func TestCheckError(t *testing.T) {
s, err := NewParser(`{"a":{}, "b":talse, "c":{}}`).Parse()
if err != 0 {
t.Fatal(err)
}
root := s.GetByPath()
// fmt.Println(root.Check())
a := root.Get("a")
if a.Check() != nil {
t.Fatal(a.Check())
}
c := root.Get("c")
if c.Check() == nil {
t.Fatal()
}
fmt.Println(c.Check())
_, e := a.Properties()
if e != nil {
t.Fatal(e)
}
exist, e := a.Set("d", newRawNode("x", types.V_OBJECT))
if exist || e != nil {
t.Fatal(err)
}
if a.len() != 1 {
t.Fail()
}
d := a.Get("d").Get("")
if d.Check() == nil {
t.Fatal(d)
}
exist, e = a.Set("e", newRawNode("[}", types.V_ARRAY))
if e != nil {
t.Fatal(e)
}
if a.len() != 2 {
t.Fail()
}
d = a.Index(1).Index(0)
if d.Check() == nil {
t.Fatal(d)
}
it, e := root.Interface()
if e == nil {
t.Fatal(it)
}
fmt.Println(e)
}
func TestIndex(t *testing.T) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
t.Fatalf("decode failed: %v", derr.Error())
}
status := root.GetByPath("statuses", 0)
x, _ := status.Index(4).String()
y, _ := status.Get("id_str").String()
if x != y {
t.Fail()
}
}
func TestUnset(t *testing.T) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
t.Fatalf("decode failed: %v", derr.Error())
}
entities := root.GetByPath("statuses", 0, "entities")
if !entities.Exists() {
t.Fatal()
}
exist, err := entities.Unset("urls")
if !exist || err != nil {
t.Fatal()
}
e := entities.Get("urls")
if e.Exists() {
t.Fatal()
}
if entities.len() != 2 {
t.Fatal()
}
entities.Set("urls", NewString("a"))
e = entities.Get("urls")
x, _ := e.String()
if !e.Exists() || x != "a" {
t.Fatal()
}
exist, err = entities.UnsetByIndex(entities.len()-1)
if !exist || err != nil {
t.Fatal()
}
e = entities.Get("urls")
if e.Exists() {
t.Fatal()
}
hashtags := entities.Get("hashtags").Index(0)
hashtags.Set("text2", newRawNode(`{}`, types.V_OBJECT))
exist, err = hashtags.Unset("indices")
if !exist || err != nil || hashtags.len() != 2 {
t.Fatal()
}
y, _ := hashtags.Get("text").String()
if y != "freebandnames" {
t.Fatal()
}
if hashtags.Get("text2").Type() != V_OBJECT {
t.Fatal()
}
ums := entities.Get("user_mentions")
ums.Add(NewNull())
ums.Add(NewBool(true))
ums.Add(NewBool(false))
if ums.len() != 3 {
t.Fatal()
}
exist, err = ums.UnsetByIndex(1)
if !exist || err != nil {
t.Fatal()
}
v1, _ := ums.Index(0).Interface()
v2, _ := ums.Index(1).Interface()
if v1 != nil || v2 != false {
t.Fatal()
}
}
func TestUnsafeNode(t *testing.T) {
str, loop := getTestIteratorSample()
root, err := NewSearcher(str).GetByPath("array")
if err != nil {
t.Fatal(err)
}
a, _ := root.UnsafeArray()
if len(a) != loop {
t.Fatalf("exp:%v, got:%v", loop, len(a))
}
for i := int64(0); i<int64(loop); i++{
in := a[i]
x, _ := in.Int64()
if x != i {
t.Fatalf("exp:%v, got:%v", i, x)
}
}
root, err = NewSearcher(str).GetByPath("object")
if err != nil {
t.Fatal(err)
}
b, _ := root.UnsafeMap()
if len(b) != loop {
t.Fatalf("exp:%v, got:%v", loop, len(b))
}
for i := int64(0); i<int64(loop); i++ {
k := `k`+strconv.Itoa(int(i))
if k != b[i].Key {
t.Fatalf("unexpected element: %#v", b[i])
}
x, _ := b[i].Value.Int64()
if x != i {
t.Fatalf("exp:%v, got:%v", i, x)
}
}
}
func TestUseNode(t *testing.T) {
str, loop := getTestIteratorSample()
root, e := NewParser(str).Parse()
if e != 0 {
t.Fatal(e)
}
_, er := root.InterfaceUseNode()
if er != nil {
t.Fatal(er)
}
root, err := NewSearcher(str).GetByPath("array")
if err != nil {
t.Fatal(err)
}
a, _ := root.ArrayUseNode()
if len(a) != loop {
t.Fatalf("exp:%v, got:%v", loop, len(a))
}
for i := int64(0); i<int64(loop); i++{
in := a[i]
a, _ := in.Int64()
if a != i {
t.Fatalf("exp:%v, got:%v", i, a)
}
}
root, err = NewSearcher(str).GetByPath("array")
if err != nil {
t.Fatal(err)
}
x, _ := root.InterfaceUseNode()
a = x.([]Node)
if len(a) != loop {
t.Fatalf("exp:%v, got:%v", loop, len(a))
}
for i := int64(0); i<int64(loop); i++{
in := a[i]
a, _ := in.Int64()
if a != i {
t.Fatalf("exp:%v, got:%v", i, a)
}
}
root, err = NewSearcher(str).GetByPath("object")
if err != nil {
t.Fatal(err)
}
b, _ := root.MapUseNode()
if len(b) != loop {
t.Fatalf("exp:%v, got:%v", loop, len(b))
}
for i := int64(0); i<int64(loop); i++ {
k := `k`+strconv.Itoa(int(i))
xn, ok := b[k]
if !ok {
t.Fatalf("unexpected element: %#v", xn)
}
a, _ := xn.Int64()
if a != i {
t.Fatalf("exp:%v, got:%v", i, a)
}
}
root, err = NewSearcher(str).GetByPath("object")
if err != nil {
t.Fatal(err)
}
x, _ = root.InterfaceUseNode()
b = x.(map[string]Node)
if len(b) != loop {
t.Fatalf("exp:%v, got:%v", loop, len(b))
}
for i := int64(0); i<int64(loop); i++ {
k := `k`+strconv.Itoa(int(i))
xn, ok := b[k]
if !ok {
t.Fatalf("unexpected element: %#v", xn)
}
a, _ := xn.Int64()
if a != i {
t.Fatalf("exp:%v, got:%v", i, a)
}
}
}
func TestUseNumber(t *testing.T) {
str, _ := getTestIteratorSample()
root, e := NewParser(str).Parse()
if e != 0 {
t.Fatal(e)
}
_, er := root.InterfaceUseNumber()
if er != nil {
t.Fatal(er)
}
node, err := NewParser("1061346755812312312313").Parse()
if err != 0 {
t.Fatal(err)
}
if node.Type() != V_NUMBER {
t.Fatalf("wrong type: %v", node.Type())
}
x, _ := node.InterfaceUseNumber()
iv := x.(json.Number)
if iv.String() != "1061346755812312312313" {
t.Fatalf("exp:%#v, got:%#v", "1061346755812312312313", iv.String())
}
x, _ = node.Interface()
ix := x.(float64)
if ix != float64(1061346755812312312313) {
t.Fatalf("exp:%#v, got:%#v", float64(1061346755812312312313), ix)
}
xj, _ := node.Number()
ij, _ := xj.Int64()
jj, _ := json.Number("1061346755812312312313").Int64()
if ij != jj {
t.Fatalf("exp:%#v, got:%#v", jj, ij)
}
}
func TestMap(t *testing.T) {
node, err := NewParser(`{"a":-0, "b":1, "c":-1.2, "d":-1.2e-10}`).Parse()
if err != 0 {
t.Fatal(err)
}
m, _ := node.Map()
assert.Equal(t, m, map[string]interface{}{
"a": float64(0),
"b": float64(1),
"c": -1.2,
"d": -1.2e-10,
})
m1, _ := node.MapUseNumber()
assert.Equal(t, m1, map[string]interface{}{
"a": json.Number("-0"),
"b": json.Number("1"),
"c": json.Number("-1.2"),
"d": json.Number("-1.2e-10"),
})
}
func TestArray(t *testing.T) {
node, err := NewParser(`[-0, 1, -1.2, -1.2e-10]`).Parse()
if err != 0 {
t.Fatal(err)
}
m, _ := node.Array()
assert.Equal(t, m, []interface{}{
float64(0),
float64(1),
-1.2,
-1.2e-10,
})
m1, _ := node.ArrayUseNumber()
assert.Equal(t, m1, []interface{}{
json.Number("-0"),
json.Number("1"),
json.Number("-1.2"),
json.Number("-1.2e-10"),
})
}
func TestNodeRaw(t *testing.T) {
root, derr := NewSearcher(_TwitterJson).GetByPath("search_metadata")
if derr != nil {
t.Fatalf("decode failed: %v", derr.Error())
}
val, _ := root.Raw()
var comp = `{
"max_id": 250126199840518145,
"since_id": 24012619984051000,
"refresh_url": "?since_id=250126199840518145&q=%23freebandnames&result_type=mixed&include_entities=1",
"next_results": "?max_id=249279667666817023&q=%23freebandnames&count=4&include_entities=1&result_type=mixed",
"count": 4,
"completed_in": 0.035,
"since_id_str": "24012619984051000",
"query": "%23freebandnames",
"max_id_str": "250126199840518145"
}`
if val != comp {
t.Fatalf("exp: %+v, got: %+v", comp, val)
}
root, derr = NewSearcher(_TwitterJson).GetByPath("statuses", 0, "entities", "hashtags")
if derr != nil {
t.Fatalf("decode failed: %v", derr.Error())
}
val, _ = root.Raw()
comp = `[
{
"text": "freebandnames",
"indices": [
20,
34
]
}
]`
if val != comp {
t.Fatalf("exp: \n%s\n, got: \n%s\n", comp, val)
}
var data = `{"k1" : { "a" : "bc"} , "k2" : [1,2 ] , "k3":{} , "k4":[]}`
root, derr = NewSearcher(data).GetByPath("k1")
if derr != nil {
t.Fatalf("decode failed: %v", derr.Error())
}
val, _ = root.Raw()
comp = `{ "a" : "bc"}`
if val != comp {
t.Fatalf("exp: %+v, got: %+v", comp, val)
}
root, derr = NewSearcher(data).GetByPath("k2")
if derr != nil {
t.Fatalf("decode failed: %v", derr.Error())
}
val, _ = root.Raw()
comp = `[1,2 ]`
if val != comp {
t.Fatalf("exp: %+v, got: %+v", comp, val)
}
root, derr = NewSearcher(data).GetByPath("k3")
if derr != nil {
t.Fatalf("decode failed: %v", derr.Error())
}
val, _ = root.Raw()
comp = `{}`
if val != comp {
t.Fatalf("exp: %+v, got: %+v", comp, val)
}
root, derr = NewSearcher(data).GetByPath("k4")
if derr != nil {
t.Fatalf("decode failed: %v", derr.Error())
}
val, _ = root.Raw()
comp = `[]`
if val != comp {
t.Fatalf("exp: %+v, got: %+v", comp, val)
}
}
func TestNodeGet(t *testing.T) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
t.Fatalf("decode failed: %v", derr.Error())
}
val, _ := root.Get("search_metadata").Get("max_id").Int64()
if val != int64(250126199840518145) {
t.Fatalf("exp: %+v, got: %+v", 250126199840518145, val)
}
}
func TestNodeIndex(t *testing.T) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
t.Fatalf("decode failed: %v", derr.Error())
}
val, _ := root.Get("statuses").Index(3).Get("id_str").String()
if val != "249279667666817024" {
t.Fatalf("exp: %+v, got: %+v", "249279667666817024", val)
}
}
func TestNodeGetByPath(t *testing.T) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
t.Fatalf("decode failed: %v", derr.Error())
}
val, _ := root.GetByPath("statuses", 3, "id_str").String()
if val != "249279667666817024" {
t.Fatalf("exp: %+v, got: %+v", "249279667666817024", val)
}
}
func TestNodeSet(t *testing.T) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
t.Fatalf("decode failed: %v", derr.Error())
}
app,_ := NewParser("111").Parse()
root.GetByPath("statuses", 3).Set("id_str", app)
val, _ := root.GetByPath("statuses", 3, "id_str").Int64()
if val != 111 {
t.Fatalf("exp: %+v, got: %+v", 111, val)
}
for i := root.GetByPath("statuses", 3).cap(); i >= 0; i-- {
root.GetByPath("statuses", 3).Set("id_str"+strconv.Itoa(i), app)
}
val, _ = root.GetByPath("statuses", 3, "id_str0").Int64()
if val != 111 {
t.Fatalf("exp: %+v, got: %+v", 111, val)
}
nroot, derr := NewParser(`{"a":[0.1,true,0,"name",{"b":"c"}]}`).Parse()
if derr != 0 {
t.Fatalf("decode failed: %v", derr.Error())
}
root.GetByPath("statuses", 3).Set("id_str2", nroot)
val2, _ := root.GetByPath("statuses", 3, "id_str2", "a", 4, "b").String()
if val2 != "c" {
t.Fatalf("exp:%+v, got:%+v", "c", val2)
}
}
func TestNodeSetByIndex(t *testing.T) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
t.Fatalf("decode failed: %v", derr.Error())
}
app, _ := NewParser("111").Parse()
st := root.GetByPath("statuses")
st.SetByIndex(0, app)
st = root.GetByPath("statuses")
val := st.Index(0)
x, _ := val.Int64()
if x != 111 {
t.Fatalf("exp: %+v, got: %+v", 111, val)
}
nroot, derr := NewParser(`{"a":[0.1,true,0,"name",{"b":"c"}]}`).Parse()
if derr != 0 {
t.Fatalf("decode failed: %v", derr.Error())
}
root.GetByPath("statuses").SetByIndex(0, nroot)
val2, _ := root.GetByPath("statuses", 0, "a", 4, "b").String()
if val2 != "c" {
t.Fatalf("exp:%+v, got:%+v", "c", val2)
}
}
func TestNodeAdd(t *testing.T) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
t.Fatalf("decode failed: %v", derr.Error())
}
app, _ := NewParser("111").Parse()
for i := root.GetByPath("statuses").cap(); i >= 0; i-- {
root.GetByPath("statuses").Add(app)
}
val, _ := root.GetByPath("statuses", 4).Int64()
if val != 111 {
t.Fatalf("exp: %+v, got: %+v", 111, val)
}
val, _ = root.GetByPath("statuses", root.GetByPath("statuses").len()-1).Int64()
if val != 111 {
t.Fatalf("exp: %+v, got: %+v", 111, val)
}
nroot, derr := NewParser(`{"a":[0.1,true,0,"name",{"b":"c"}]}`).Parse()
if derr != 0 {
t.Fatalf("decode failed: %v", derr.Error())
}
root.GetByPath("statuses").Add(nroot)
val2, _ := root.GetByPath("statuses", root.GetByPath("statuses").len()-1, "a", 4, "b").String()
if val2 != "c" {
t.Fatalf("exp:%+v, got:%+v", "c", val2)
}
}
func BenchmarkNodeRaw(b *testing.B) {
root, derr := NewSearcher(_TwitterJson).GetByPath("search_metadata")
if derr != nil {
b.Fatalf("decode failed: %v", derr.Error())
}
b.SetParallelism(parallelism)
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
root.Raw()
}
})
}
func BenchmarkNodeGetByPath(b *testing.B) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
b.Fatalf("decode failed: %v", derr.Error())
}
_, _ = root.GetByPath("statuses", 3, "entities", "hashtags", 0, "text").String()
b.SetParallelism(parallelism)
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
_, _ = root.GetByPath("statuses", 3, "entities", "hashtags", 0, "text").String()
}
})
}
func BenchmarkStructGetByPath_Jsoniter(b *testing.B) {
var root = _TwitterStruct{}
err := jsoniter.Unmarshal([]byte(_TwitterJson), &root)
if err != nil {
b.Fatalf("unmarshal failed: %v", err)
}
b.SetParallelism(parallelism)
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
_ = root.Statuses[3].Entities.Hashtags[0].Text
}
})
}
func BenchmarkNodeGet(b *testing.B) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
b.Fatalf("decode failed: %v", derr.Error())
}
node := root.Get("statuses").Index(3).Get("entities").Get("hashtags").Index(0)
node.Set("test1", NewNumber("1"))
node.Set("test2", NewNumber("2"))
node.Set("test3", NewNumber("3"))
node.Set("test4", NewNumber("4"))
node.Set("test5", NewNumber("5"))
b.ResetTimer()
for i := 0; i < b.N; i++ {
node.Get("text")
}
}
func BenchmarkMapGet(b *testing.B) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
b.Fatalf("decode failed: %v", derr.Error())
}
node := root.Get("statuses").Index(3).Get("entities").Get("hashtags").Index(0)
node.Set("test1", NewNumber("1"))
node.Set("test2", NewNumber("2"))
node.Set("test3", NewNumber("3"))
node.Set("test4", NewNumber("4"))
node.Set("test5", NewNumber("5"))
m, _ := node.Map()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_ = m["text"]
}
}
func BenchmarkNodeSet(b *testing.B) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
b.Fatalf("decode failed: %v", derr.Error())
}
node := root.Get("statuses").Index(3).Get("entities").Get("hashtags").Index(0)
b.SetParallelism(parallelism)
b.ResetTimer()
for i := 0; i < b.N; i++ {
node.Set("test1", NewNumber("1"))
}
}
func BenchmarkMapSet(b *testing.B) {
root, derr := NewParser(_TwitterJson).Parse()
if derr != 0 {
b.Fatalf("decode failed: %v", derr.Error())
}
node, _ := root.Get("statuses").Index(3).Get("entities").Get("hashtags").Index(0).Map()
b.SetParallelism(parallelism)
b.ResetTimer()
for i := 0; i < b.N; i++ {
node["test1"] = map[string]int{"test1": 1}
}
}
func BenchmarkNodeAdd(b *testing.B) {
data := `{"statuses":[]}`
_, derr := NewParser(data).Parse()
if derr != 0 {
b.Fatalf("decode failed: %v", derr.Error())
}
b.SetParallelism(parallelism)
b.ResetTimer()
for i := 0; i < b.N; i++ {
root, _ := NewParser(data).Parse()
node := root.Get("statuses")
node.Add(NewObject([]Pair{{"test", NewNumber("1")}}))
}
}
func BenchmarkSliceAdd(b *testing.B) {
data := `{"statuses":[]}`
_, derr := NewParser(data).Parse()
if derr != 0 {
b.Fatalf("decode failed: %v", derr.Error())
}
b.SetParallelism(parallelism)
b.ResetTimer()
for i := 0; i < b.N; i++ {
root, _ := NewParser(data).Parse()
node, _ := root.Get("statuses").Array()
node = append(node, map[string]interface{}{"test": 1})
}
}