Test_FormBinder_BindMultipart() — fiber Function Reference

Architecture documentation for the Test_FormBinder_BindMultipart() function in form_test.go from the fiber codebase.

Function go DataBinding PayloadParsers

Entity Profile

DataBinding→ PayloadParsers→ Test_FormBinder_BindMultipart() — fiber Function Reference

Dependency Diagram

graph TD
  69089a04_f73a_19d8_faee_739af2534ded["Test_FormBinder_BindMultipart()"]
  9e2874af_daa9_2d85_5c35_752d6b7678f6["form_test.go"]
  69089a04_f73a_19d8_faee_739af2534ded -->|defined in| 9e2874af_daa9_2d85_5c35_752d6b7678f6
  style 69089a04_f73a_19d8_faee_739af2534ded fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

binder/form_test.go lines 100–206

func Test_FormBinder_BindMultipart(t *testing.T) {
	t.Parallel()

	b := &FormBinding{
		EnableSplitting: true,
	}
	require.Equal(t, "form", b.Name())

	type Post struct {
		Title string `form:"title"`
	}

	type User struct {
		Avatar  *multipart.FileHeader   `form:"avatar"`
		Name    string                  `form:"name"`
		Names   []string                `form:"names"`
		Posts   []Post                  `form:"posts"`
		Avatars []*multipart.FileHeader `form:"avatars"`
		Age     int                     `form:"age"`
	}
	var user User

	req := fasthttp.AcquireRequest()

	buf := &bytes.Buffer{}
	mw := multipart.NewWriter(buf)

	require.NoError(t, mw.WriteField("name", "john"))
	require.NoError(t, mw.WriteField("names", "john,eric"))
	require.NoError(t, mw.WriteField("names", "doe"))
	require.NoError(t, mw.WriteField("age", "42"))
	require.NoError(t, mw.WriteField("posts[0][title]", "post1"))
	require.NoError(t, mw.WriteField("posts[1][title]", "post2"))
	require.NoError(t, mw.WriteField("posts[2][title]", "post3"))

	writer, err := mw.CreateFormFile("avatar", "avatar.txt")
	require.NoError(t, err)

	_, err = writer.Write([]byte("avatar"))
	require.NoError(t, err)

	writer, err = mw.CreateFormFile("avatars", "avatar1.txt")
	require.NoError(t, err)

	_, err = writer.Write([]byte("avatar1"))
	require.NoError(t, err)

	writer, err = mw.CreateFormFile("avatars", "avatar2.txt")
	require.NoError(t, err)

	_, err = writer.Write([]byte("avatar2"))
	require.NoError(t, err)

	require.NoError(t, mw.Close())

	req.Header.SetContentType(mw.FormDataContentType())
	req.SetBody(buf.Bytes())

	t.Cleanup(func() {
		fasthttp.ReleaseRequest(req)
	})

	err = b.Bind(req, &user)

	require.NoError(t, err)
	require.Equal(t, "john", user.Name)
	require.Equal(t, 42, user.Age)
	require.Contains(t, user.Names, "john")
	require.Contains(t, user.Names, "doe")
	require.Contains(t, user.Names, "eric")
	require.Len(t, user.Posts, 3)
	require.Equal(t, "post1", user.Posts[0].Title)
	require.Equal(t, "post2", user.Posts[1].Title)
	require.Equal(t, "post3", user.Posts[2].Title)

	require.NotNil(t, user.Avatar)
	require.Equal(t, "avatar.txt", user.Avatar.Filename)
	require.Equal(t, "application/octet-stream", user.Avatar.Header.Get("Content-Type"))

	file, err := user.Avatar.Open()
	require.NoError(t, err)