require_relative '../test_helper' class ActionMailroom::InboundEmailsControllerTest < ActionDispatch::IntegrationTest test "receiving a valid RFC 822 message" do assert_difference -> { ActionMailroom::InboundEmail.count }, +1 do post_inbound_email "welcome.eml" end assert_response :created inbound_email = ActionMailroom::InboundEmail.last assert_equal file_fixture('../files/welcome.eml').read, inbound_email.raw_email.download end private def post_inbound_email(fixture_name) post rails_inbound_emails_url, params: { message: fixture_file_upload("files/#{fixture_name}", 'message/rfc822') } end end