lib/action_mailroom/test_helper.rb


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require "mail"

module ActionMailroom
  module TestHelper
    # Create an InboundEmail record using an eml fixture in the format of message/rfc822
    # referenced with +fixture_name+ located in +test/fixtures/files/fixture_name+.
    def create_inbound_email_from_fixture(fixture_name, status: :processing)
      create_inbound_email file_fixture(fixture_name), filename: fixture_name, status: status
    end    

    def create_inbound_email_from_mail(status: :processing, **mail_options)
      raw_email = Tempfile.new.tap { |raw_email| raw_email.write Mail.new(mail_options).to_s }
      create_inbound_email(raw_email, status: status)
    end

    def create_inbound_email(io, filename: 'mail.eml', status: :processing)
      ActionMailroom::InboundEmail.create_from_raw_email! \
        ActionDispatch::Http::UploadedFile.new(tempfile: io, filename: filename, type: 'message/rfc822'),
        status: status
    end
  end
end