}

	if user.ID == 0 {
		t.Errorf("user's primary key should has value after create, got : %v", user.ID)
	}

	if user.CreatedAt.IsZero() {
		t.Errorf("user's created at should be not zero")
	}

	if user.UpdatedAt.IsZero() {
		t.Errorf("user's updated at should be not zero")
	}

	var newUser User
	if err := DB.Where("id = ?", user.ID).First(&newUser).Error; err != nil {