module Shoulda::ActionMailer::Matchers

to('myself@me.com') }
with_body(/spam/).
from('do-not-reply@example.com').
it { should have_sent_email.with_subject(/spam/).
it { should have_sent_email.to('myself@me.com') }
it { should have_sent_email.with_body(/is spam\./) }
it { should have_sent_email.from('do-not-reply@example.com') }
it { should have_sent_email.with_subject(/is spam$/) }

The right email is sent.

def have_sent_email
  HaveSentEmailMatcher.new
end