factory_girl

https://github.com/thoughtbot/factory_girl

Ruby

A library for setting up Ruby objects as test data.

Mail::Address#address=

Provides a way to assign an address to an already made Mail::Address object.

 a = Address.new
 a.address = 'Mikel Lindsaar (My email address) <[email protected]>'
 a.address #=> '[email protected]'

Source | Google | Stack overflow

Edit

git clone [email protected]:thoughtbot/factory_girl.git
cd factory_girl
open

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Mail--Address-address--for-pr

# Commit to git

git add git commit -m "better docs for Mail::Address#address="

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Mail--Address-address--for-pr

hub pull-request

# Celebrate!