lib/rspec/rails/example/mailer_example_group.rb
if defined?(ActionMailer) module RSpec::Rails module MailerExampleGroup extend ActiveSupport::Concern extend RSpec::Rails::ModuleInclusion include RSpec::Rails::RailsExampleGroup include ActionMailer::TestCase::Behavior include RSpec::Rails::BrowserSimulators webrat do include Webrat::Matchers end capybara do include Capybara end included do metadata[:type] = :mailer include ::Rails.application.routes.url_helpers options = ::Rails.configuration.action_mailer.default_url_options options.each { |key, value| default_url_options[key] = value } if options end module ClassMethods def mailer_class describes end end RSpec.configure &include_self_when_dir_matches('spec','mailers') end end end