require_relative '../../test_helper' class ApplicationMailbox < ActionMailroom::Mailbox routing "replies@example.com" => :replies end class RepliesMailbox < ActionMailroom::Mailbox def process $processed = mail.subject end end class ActionMailroom::Mailbox::RoutingTest < ActiveSupport::TestCase setup do $processed = false @inbound_email = create_inbound_email("welcome.eml") end test "string routing" do ApplicationMailbox.route @inbound_email assert_equal "Discussion: Let's debate these attachments", $processed end end