refac: password and code hashing & checking go through a domain hasher interface used by the use cases instead of bcrypt in the user repository and the auth handler

test/user_test.go

@@ -3,12 +3,31 @@ package test
 import (
 	"RenewCMS/internal/domain/user"
 	"RenewCMS/internal/infrastructure/useCases"
+	"errors"
 	"sort"
 	"testing"
 
 	"gorm.io/gorm"
 )
 
+type stubHasher struct {
+	hashErr error
+}
+
+func (s *stubHasher) Hash(value string) (string, error) {
+	if s.hashErr != nil {
+		return "", s.hashErr
+	}
+	return "hashed:" + value, nil
+}
+
+func (s *stubHasher) Compare(hashed string, value string) error {
+	if hashed == "hashed:"+value {
+		return nil
+	}
+	return errors.New("hash mismatch")
+}
+
 type mockUserRepo struct {
 	users  map[uint32]user.User
 	nextID uint32
@@ -134,7 +153,7 @@ var _ user.Repository = &mockUserRepo{}
 
 func TestCreateUser(t *testing.T) {
 	repo := newMockUserRepo()
-	uc := useCases.NewCreateUserUseCase(repo)
+	uc := useCases.NewCreateUserUseCase(repo, &stubHasher{})
 
 	cmd := useCases.CreateUserCommand{
 		Username: "testuser",
@@ -157,7 +176,7 @@ func TestCreateUser(t *testing.T) {
 func TestUpdateUserVerification(t *testing.T) {
 	repo := newMockUserRepo()
 	repo.users[1] = user.User{ID: 1, IsVerified: false}
-	uc := useCases.NewUpdateUserUseCase(repo)
+	uc := useCases.NewUpdateUserUseCase(repo, &stubHasher{})
 
 	res, err := uc.UpdateVerificationStatus(1, true)
 	if err != nil {