how test emails?

david wrote:

hi, i'm writing all following TDD, but what about a mail system, how can
i test it? how can i test that a mail has been sent? have i to use a
mock?

ActionMailer has a mock system built in. Read your test.rb and
test_helper.rb files, then either use it or learn from it.

Agile Web Development with Rails, 2nd Ed. has an excellent chapter on
testing email.

http://pragmaticprogrammer.com/titles/rails/index.html

You can get just the .pdf if you want to.

Jeff