refac: allowed image types and the size limit are a domain rule checked by the use case, not by the persistence layer

test/image_test.go

@@ -3,21 +3,11 @@ package test
 import (
 	imageDomain "RenewCMS/internal/domain/image"
 	"RenewCMS/internal/infrastructure/useCases"
-	"errors"
 	"io"
 	"strings"
 	"testing"
 )
 
-var errUnsupportedImageContentType = errors.New("the file must be a PNG, JPEG, WEBP, or SVG image")
-
-var supportedImageContentTypes = map[string]bool{
-	"image/png":     true,
-	"image/jpeg":    true,
-	"image/webp":    true,
-	"image/svg+xml": true,
-}
-
 type mockImageRepo struct {
 	images        map[uint32]imageDomain.Image
 	nextID        uint32
@@ -34,9 +24,6 @@ func (m *mockImageRepo) Create(input imageDomain.ImageInput) (imageDomain.Image,
 	if err := m.fail.trigger("Create"); err != nil {
 		return imageDomain.Image{}, err
 	}
-	if !supportedImageContentTypes[input.ContentType] {
-		return imageDomain.Image{}, errUnsupportedImageContentType
-	}
 	if input.Content != nil {
 		_, _ = io.ReadAll(input.Content)
 	}