valid_model.should validate(:with_message => "Unacceptable email address.") do
  valid :email => "[email protected]"
  valid :email => "[email protected]"
  valid :email => "[email protected]"
  valid :email => "[email protected]"
  invalid :email => "[email protected]"
  invalid :email => "no spaces please [email protected]"
  invalid :email => "@no.username.com"
  invalid :email => "only_tld@com"
end

valid_model.should validate(:error_message => "local users must use a local username")
  valid :email => "username", :type => "local"
  valid :email => "[email protected]", :type => "local"
  invalid :email => "[email protected]", :type => "local"
end

valid_model.should validate(:error_message => "Should provide email address") do
  invalid :email => ""
  valid :email => "", :status => "registration incomplete"
  valid :email => "", :user_role => "fake"
  valid :email => "", :user_role => "admin"
end