Function TestBindMultipartFormFiles

bind_test.go:1466–1527

(t *testing.T)

}

func TestBindMultipartFormFiles(t *testing.T) {
	file1 := createTestFormFile("file", "file1.txt")
	file11 := createTestFormFile("file", "file11.txt")
	file2 := createTestFormFile("file2", "file2.txt")
	filesA := createTestFormFile("files", "filesA.txt")
	filesB := createTestFormFile("files", "filesB.txt")

	t.Run("nok, can not bind to multipart file struct", func(t *testing.T) {
		var target struct {
			File multipart.FileHeader `form:"file"`
		}
		err := bindMultipartFiles(t, &target, file1, file2) // file2 should be ignored

		assert.EqualError(t, err, `code=400, message=Bad Request, err=binding to multipart.FileHeader struct is not supported, use pointer to struct`)
	})

	t.Run("ok, bind single multipart file to pointer to multipart file", func(t *testing.T) {
		var target struct {
			File *multipart.FileHeader `form:"file"`
		}
		err := bindMultipartFiles(t, &target, file1, file2) // file2 should be ignored

		assert.NoError(t, err)
		assertMultipartFileHeader(t, target.File, file1)
	})

	t.Run("ok, bind multiple multipart files to pointer to multipart file", func(t *testing.T) {
		var target struct {
			File *multipart.FileHeader `form:"file"`
		}
		err := bindMultipartFiles(t, &target, file1, file11)

		assert.NoError(t, err)
		assertMultipartFileHeader(t, target.File, file1) // should choose first one
	})

	t.Run("ok, bind multiple multipart files to slice of multipart file", func(t *testing.T) {
		var target struct {
			Files []multipart.FileHeader `form:"files"`
		}
		err := bindMultipartFiles(t, &target, filesA, filesB, file1)

		assert.NoError(t, err)

		assert.Len(t, target.Files, 2)
		assertMultipartFileHeader(t, &target.Files[0], filesA)
		assertMultipartFileHeader(t, &target.Files[1], filesB)
	})

	t.Run("ok, bind multiple multipart files to slice of pointer to multipart file", func(t *testing.T) {
		var target struct {
			Files []*multipart.FileHeader `form:"files"`
		}
		err := bindMultipartFiles(t, &target, filesA, filesB, file1)

		assert.NoError(t, err)

		assert.Len(t, target.Files, 2)