gistfile1.rb

# Rails 2.1, with latest shoulda

  context "POST #create" do
    context "with an existing email address" do
      setup do
        @user = Factory.create(:user)
        post :create, :email => @user.email
      end
      
      should_respond_with :redirect
      should_assign_to(:user) { @user }
      context "when sending the password reset email" do
        should "have the correct subject line" do
          assert_sent_email do |email|
            email.subject = 'Password Reset Instructions'
          end
        end
      end
    end
    
    context "with an unknown email address" do
      setup do
        post :create, :email => 'unknown@email.com'
      end
      
      should_respond_with :success      
      should_render_template :new
      should "not send any emails" do
        # This test fails because it picks up the emails from the other test
        assert_did_not_send_email
      end
    end    
  end