I found the ActionMailer Testing guide lacking in some core information:
Steps to reproduce
Visit the ActionMailer Testing Guide
Have at least one example containing a full use case of using ActionMailer fixtures that actually includes expected fixture content and format for both text and html:
Is whitespace important? Is html matched exactly, or is it matched only to the equivalent of calling
innerText on an element node? Is there a naming/subdirectory standard we should follow when using using both HTML and Text formatted emails (like most people should be doing)?
It mentions the location of where fixtures should go, and then pretty much nothing else except a single line in
read_fixture(...).join and a single example of a text-only email
p.s. Why is there no
actionmailer tag available when adding tags to these posts?