json_test.go — gin Source File

Source Code

// Copyright 2019 Gin Core Team. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.

package binding

import (
	"io"
	"net/http/httptest"
	"testing"
	"time"
	"unsafe"

	"github.com/gin-gonic/gin/codec/json"
	"github.com/gin-gonic/gin/render"
	jsoniter "github.com/json-iterator/go"
	"github.com/modern-go/reflect2"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestJSONBindingBindBody(t *testing.T) {
	var s struct {
		Foo string `json:"foo"`
	}
	err := jsonBinding{}.BindBody([]byte(`{"foo": "FOO"}`), &s)
	require.NoError(t, err)
	assert.Equal(t, "FOO", s.Foo)
}

func TestJSONBindingBindBodyMap(t *testing.T) {
	s := make(map[string]string)
	err := jsonBinding{}.BindBody([]byte(`{"foo": "FOO","hello":"world"}`), &s)
	require.NoError(t, err)
	assert.Len(t, s, 2)
	assert.Equal(t, "FOO", s["foo"])
	assert.Equal(t, "world", s["hello"])
}

func TestCustomJsonCodec(t *testing.T) {
	// Restore json encoding configuration after testing
	oldMarshal := json.API
	defer func() {
		json.API = oldMarshal
	}()
	// Custom json api
	json.API = customJsonApi{}

	// test decode json
	obj := customReq{}
	err := jsonBinding{}.BindBody([]byte(`{"time_empty":null,"time_struct": "2001-12-05 10:01:02.345","time_nil":null,"time_pointer":"2002-12-05 10:01:02.345"}`), &obj)
	require.NoError(t, err)
	assert.Equal(t, zeroTime, obj.TimeEmpty)
	assert.Equal(t, time.Date(2001, 12, 5, 10, 1, 2, 345000000, time.Local), obj.TimeStruct)
	assert.Nil(t, obj.TimeNil)
	assert.Equal(t, time.Date(2002, 12, 5, 10, 1, 2, 345000000, time.Local), *obj.TimePointer)
	// test encode json
	w := httptest.NewRecorder()
	err2 := (render.PureJSON{Data: obj}).Render(w)
	require.NoError(t, err2)
// ... (157 more lines)