gin/render/render_msgpack_test.go
AmirHossein Fallah 93e3206653 test(render): make msgpack tests deterministic
Decode the rendered msgpack output and assert values instead of comparing raw bytes (which can vary with map iteration order).
Enable MsgpackHandle.RawToString so msgpack strings decode as Go strings.
2026-02-17 16:14:35 +03:30

81 lines
1.9 KiB
Go

// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
//go:build !nomsgpack
package render
import (
"errors"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/ugorji/go/codec"
)
func TestRenderMsgPack(t *testing.T) {
w := httptest.NewRecorder()
data := map[string]any{
"foo": "bar",
}
(MsgPack{data}).WriteContentType(w)
assert.Equal(t, "application/msgpack; charset=utf-8", w.Header().Get("Content-Type"))
err := (MsgPack{data}).Render(w)
require.NoError(t, err)
var decoded map[string]any
var mh codec.MsgpackHandle
mh.RawToString = true
err = codec.NewDecoderBytes(w.Body.Bytes(), &mh).Decode(&decoded)
require.NoError(t, err)
assert.Equal(t, data, decoded)
assert.Equal(t, "application/msgpack; charset=utf-8", w.Header().Get("Content-Type"))
}
func TestWriteMsgPack(t *testing.T) {
w := httptest.NewRecorder()
data := map[string]any{
"foo": "bar",
"num": 42,
}
err := WriteMsgPack(w, data)
require.NoError(t, err)
assert.Equal(t, "application/msgpack; charset=utf-8", w.Header().Get("Content-Type"))
var decoded map[string]any
var mh codec.MsgpackHandle
mh.RawToString = true
err = codec.NewDecoderBytes(w.Body.Bytes(), &mh).Decode(&decoded)
require.NoError(t, err)
assert.Len(t, decoded, 2)
assert.Equal(t, "bar", decoded["foo"])
assert.EqualValues(t, 42, decoded["num"])
}
type failWriter struct {
*httptest.ResponseRecorder
}
func (w *failWriter) Write(data []byte) (int, error) {
return 0, errors.New("write error")
}
func TestRenderMsgPackError(t *testing.T) {
w := httptest.NewRecorder()
data := map[string]any{
"foo": "bar",
}
err := (MsgPack{data}).Render(&failWriter{w})
require.Error(t, err)
assert.Contains(t, err.Error(), "write error")
}