test/unit/mailbox_test.rb


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require_relative '../test_helper'

class SuccessfulMailbox < ActionMailroom::Mailbox
  def process
    $processed = mail.subject
  end
end

class UnsuccessfulMailbox < ActionMailroom::Mailbox
  rescue_from(RuntimeError) { $processed = :failure }

  def process
    raise "No way!"
  end
end

module ActionMailroom
  class MailboxTest < ActiveSupport::TestCase
    setup do
      $processed = false
      @inbound_email = create_inbound_email("welcome.eml")
    end

    test "successful mailbox processing leaves inbound email in delivered state" do
      SuccessfulMailbox.receive @inbound_email
      assert @inbound_email.delivered?
      assert_equal "Discussion: Let's debate these attachments", $processed
    end

    test "unsuccessful mailbox processing leaves inbound email in failed state" do
      UnsuccessfulMailbox.receive @inbound_email
      assert @inbound_email.failed?
      assert_equal :failure, $processed
    end
  end
end