When we have any code that lacks tests (or at least a documented way of executing it), we do not want to change this code. We can’t refactor it, because we won’t be able to verify that the behavior doesn’t change.
When we have any code that lacks tests (or at least a documented way of executing it), we do not want to change this code. We can’t refactor it, because we won’t be able to verify that the behavior doesn’t change.