mirror of
https://github.com/json-iterator/go.git
synced 2024-11-27 08:30:57 +02:00
365 lines
8.0 KiB
Go
365 lines
8.0 KiB
Go
package jsoniter
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import (
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"bytes"
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"fmt"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func Test_empty_object(t *testing.T) {
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should := require.New(t)
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iter := ParseString(ConfigDefault, `{}`)
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field := iter.ReadObject()
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should.Equal("", field)
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iter = ParseString(ConfigDefault, `{}`)
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iter.ReadObjectCB(func(iter *Iterator, field string) bool {
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should.FailNow("should not call")
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return true
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})
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}
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func Test_one_field(t *testing.T) {
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should := require.New(t)
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iter := ParseString(ConfigDefault, `{"a": "stream"}`)
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field := iter.ReadObject()
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should.Equal("a", field)
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value := iter.ReadString()
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should.Equal("stream", value)
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field = iter.ReadObject()
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should.Equal("", field)
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iter = ParseString(ConfigDefault, `{"a": "stream"}`)
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should.True(iter.ReadObjectCB(func(iter *Iterator, field string) bool {
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should.Equal("a", field)
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iter.Skip()
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return true
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}))
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}
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func Test_two_field(t *testing.T) {
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should := require.New(t)
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iter := ParseString(ConfigDefault, `{ "a": "stream" , "c": "d" }`)
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field := iter.ReadObject()
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should.Equal("a", field)
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value := iter.ReadString()
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should.Equal("stream", value)
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field = iter.ReadObject()
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should.Equal("c", field)
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value = iter.ReadString()
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should.Equal("d", value)
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field = iter.ReadObject()
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should.Equal("", field)
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iter = ParseString(ConfigDefault, `{"field1": "1", "field2": 2}`)
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for field := iter.ReadObject(); field != ""; field = iter.ReadObject() {
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switch field {
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case "field1":
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iter.ReadString()
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case "field2":
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iter.ReadInt64()
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default:
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iter.ReportError("bind object", "unexpected field")
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}
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}
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}
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func Test_object_wrapper_any_get_all(t *testing.T) {
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should := require.New(t)
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type TestObject struct {
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Field1 []int
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Field2 []int
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}
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any := Wrap(TestObject{[]int{1, 2}, []int{3, 4}})
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should.Contains(any.Get('*', 0).ToString(), `"Field2":3`)
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should.Contains(any.Keys(), "Field1")
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should.Contains(any.Keys(), "Field2")
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should.NotContains(any.Keys(), "Field3")
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//should.Contains(any.GetObject()["Field1"].GetArray()[0], 1)
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}
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func Test_write_object(t *testing.T) {
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should := require.New(t)
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buf := &bytes.Buffer{}
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stream := NewStream(Config{IndentionStep: 2}.Froze(), buf, 4096)
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stream.WriteObjectStart()
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stream.WriteObjectField("hello")
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stream.WriteInt(1)
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stream.WriteMore()
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stream.WriteObjectField("world")
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stream.WriteInt(2)
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stream.WriteObjectEnd()
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stream.Flush()
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should.Nil(stream.Error)
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should.Equal("{\n \"hello\": 1,\n \"world\": 2\n}", buf.String())
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}
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func Test_write_val_zero_field_struct(t *testing.T) {
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should := require.New(t)
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type TestObject struct {
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}
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obj := TestObject{}
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str, err := MarshalToString(obj)
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should.Nil(err)
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should.Equal(`{}`, str)
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}
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func Test_write_val_one_field_struct(t *testing.T) {
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should := require.New(t)
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type TestObject struct {
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Field1 string `json:"field-1"`
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}
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obj := TestObject{"hello"}
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str, err := MarshalToString(obj)
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should.Nil(err)
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should.Equal(`{"field-1":"hello"}`, str)
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}
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func Test_mixed(t *testing.T) {
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should := require.New(t)
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type AA struct {
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ID int `json:"id"`
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Payload map[string]interface{} `json:"payload"`
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buf *bytes.Buffer
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}
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aa := AA{}
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err := UnmarshalFromString(` {"id":1, "payload":{"account":"123","password":"456"}}`, &aa)
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should.Nil(err)
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should.Equal(1, aa.ID)
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should.Equal("123", aa.Payload["account"])
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}
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func Test_omit_empty(t *testing.T) {
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should := require.New(t)
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type TestObject struct {
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Field1 string `json:"field-1,omitempty"`
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Field2 string `json:"field-2,omitempty"`
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Field3 string `json:"field-3,omitempty"`
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}
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obj := TestObject{}
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obj.Field2 = "hello"
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str, err := MarshalToString(&obj)
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should.Nil(err)
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should.Equal(`{"field-2":"hello"}`, str)
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}
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func Test_ignore_field_on_not_valid_type(t *testing.T) {
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should := require.New(t)
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type TestObject struct {
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Field1 string `json:"field-1,omitempty"`
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Field2 func() `json:"-"`
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}
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obj := TestObject{}
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obj.Field1 = "hello world"
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obj.Field2 = func() {}
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str, err := MarshalToString(&obj)
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should.Nil(err)
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should.Equal(`{"field-1":"hello world"}`, str)
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}
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func Test_nested_field_omit_empty(t *testing.T) {
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should := require.New(t)
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type S1 struct {
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F1 string `json:",omitempty"`
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}
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type S2 struct {
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*S1
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F2 string `json:",omitempty"`
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}
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s1 := &S1{
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//F1: "abc",
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}
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s2 := &S2{
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S1: s1,
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F2: "123",
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}
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str, err := MarshalToString(s2)
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should.Nil(err)
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should.Equal(`{"F2":"123"}`, str)
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}
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func Test_recursive_struct(t *testing.T) {
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should := require.New(t)
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type TestObject struct {
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Field1 string
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Me *TestObject
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}
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obj := TestObject{}
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str, err := MarshalToString(obj)
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should.Nil(err)
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should.Contains(str, `"Field1":""`)
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should.Contains(str, `"Me":null`)
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err = UnmarshalFromString(str, &obj)
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should.Nil(err)
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}
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func Test_encode_anonymous_struct(t *testing.T) {
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should := require.New(t)
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type TestObject struct {
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Field string
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}
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str, err := MarshalToString(struct {
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TestObject
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Field int
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}{
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Field: 100,
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})
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should.Nil(err)
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should.Equal(`{"Field":100}`, str)
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}
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func Test_decode_anonymous_struct(t *testing.T) {
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should := require.New(t)
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type Inner struct {
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Key string `json:"key"`
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}
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type Outer struct {
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Inner
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}
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var outer Outer
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j := []byte("{\"key\":\"value\"}")
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should.Nil(Unmarshal(j, &outer))
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should.Equal("value", outer.Key)
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}
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func Test_multiple_level_anonymous_struct(t *testing.T) {
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type Level1 struct {
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Field1 string
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}
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type Level2 struct {
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Level1
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Field2 string
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}
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type Level3 struct {
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Level2
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Field3 string
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}
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should := require.New(t)
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obj := Level3{Level2{Level1{"1"}, "2"}, "3"}
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output, err := MarshalToString(obj)
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should.Nil(err)
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should.Equal(`{"Field1":"1","Field2":"2","Field3":"3"}`, output)
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}
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func Test_multiple_level_anonymous_struct_with_ptr(t *testing.T) {
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type Level1 struct {
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Field1 string
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Field2 string
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Field4 string
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}
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type Level2 struct {
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*Level1
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Field2 string
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Field3 string
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}
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type Level3 struct {
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*Level2
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Field3 string
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}
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should := require.New(t)
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obj := Level3{&Level2{&Level1{"1", "", "4"}, "2", ""}, "3"}
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output, err := MarshalToString(obj)
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should.Nil(err)
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should.Contains(output, `"Field1":"1"`)
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should.Contains(output, `"Field2":"2"`)
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should.Contains(output, `"Field3":"3"`)
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should.Contains(output, `"Field4":"4"`)
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}
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func Test_shadow_struct_field(t *testing.T) {
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should := require.New(t)
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type omit *struct{}
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type CacheItem struct {
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Key string `json:"key"`
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MaxAge int `json:"cacheAge"`
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}
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output, err := MarshalToString(struct {
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*CacheItem
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// Omit bad keys
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OmitMaxAge omit `json:"cacheAge,omitempty"`
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// Add nice keys
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MaxAge int `json:"max_age"`
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}{
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CacheItem: &CacheItem{
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Key: "value",
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MaxAge: 100,
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},
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MaxAge: 20,
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})
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should.Nil(err)
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should.Contains(output, `"key":"value"`)
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should.Contains(output, `"max_age":20`)
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}
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func Test_embedded_order(t *testing.T) {
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type A struct {
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Field2 string
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}
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type C struct {
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Field5 string
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}
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type B struct {
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Field4 string
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C
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Field6 string
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}
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type TestObject struct {
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Field1 string
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A
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Field3 string
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B
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Field7 string
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}
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should := require.New(t)
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s := TestObject{}
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output, err := MarshalToString(s)
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should.Nil(err)
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should.Equal(`{"Field1":"","Field2":"","Field3":"","Field4":"","Field5":"","Field6":"","Field7":""}`, output)
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}
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func Test_decode_nested(t *testing.T) {
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type StructOfString struct {
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Field1 string
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Field2 string
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}
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iter := ParseString(ConfigDefault, `[{"field1": "hello"}, null, {"field2": "world"}]`)
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slice := []*StructOfString{}
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iter.ReadVal(&slice)
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if len(slice) != 3 {
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fmt.Println(iter.Error)
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t.Fatal(len(slice))
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}
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if slice[0].Field1 != "hello" {
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fmt.Println(iter.Error)
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t.Fatal(slice[0])
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}
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if slice[1] != nil {
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fmt.Println(iter.Error)
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t.Fatal(slice[1])
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}
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if slice[2].Field2 != "world" {
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fmt.Println(iter.Error)
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t.Fatal(slice[2])
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}
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}
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func Test_decode_field_with_escape(t *testing.T) {
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should := require.New(t)
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type TestObject struct {
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Field1 string
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}
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var obj TestObject
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should.Nil(ConfigCompatibleWithStandardLibrary.Unmarshal([]byte(`{"Field\"1":"hello"}`), &obj))
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should.Equal("", obj.Field1)
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should.Nil(ConfigCompatibleWithStandardLibrary.Unmarshal([]byte(`{"\u0046ield1":"hello"}`), &obj))
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should.Equal("hello", obj.Field1)
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}
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