preparing to test rails email preview
adds emails previews but depends on weak mocking using struct
uses mocks
adds comments to lib/mailer_previews/ is this needed?
adds a short spec test
adds belongs to User model :)
creates full excell modelo first notification email
reverses bootstrap gem adds stuff to haml template for first notificaiton
before refactoring mailer
tests and deliver emails using mail catcher
fixes bugs and adds params mailer
merges emails branch