How do I add rspec to my project?

https://github.com/rspec/rspec-rails
Follow the instructions in the readme above.

Fun fact:  It really helps to test your testing suite when you are editing files in the right project directory.
How do I test if a user has an email?

I'm pretty sure this is a bad test, since I don't think validations are run until you try to insert into the database.
How do I see if I am passing in a password?

Now I know this is a bad test, because all it's actually testing is if I passed a string called password in to the user. Huzzah for no validations!
How do I check to see if I'm storing an encrypted password in the database?

Like this