RSpec ActionMailer test

RSpec - ActionMailer

# config/environments/test.rb
ActionMailer::Base.delivery_method = :test 

# spec/models/mailer_spec.rb
describe Mailer do
  before(:each) do  
    ActionMailer::Base.deliveries = []  
  end

  it 'should send some random email' do
    mail = Mailer.deliver_some_random_email("name")  
    ActionMailer::Base.deliveries.size.should == 1  
    mail.body.should =~ /name/
  end
end