src/inactionmailbomb/test/controllers/ingresses/relay/inbound_emails_controller_test.rb
# frozen_string_literal: true

require "test_helper"

class InactionMailbomb::Ingresses::Relay::InboundEmailsControllerTest < ActionDispatch::IntegrationTest
  setup { InactionMailbomb.ingress = :relay }

  test "receiving an inbound email relayed from an SMTP server" do
    assert_difference -> { InactionMailbomb::InboundEmail.count }, +1 do
      post rails_relay_inbound_emails_url, headers: { "Authorization" => credentials, "Content-Type" => "message/rfc822" },
        params: file_fixture("../files/welcome.eml").read
    end

    assert_response :no_content

    inbound_email = InactionMailbomb::InboundEmail.last
    assert_equal file_fixture("../files/welcome.eml").read, inbound_email.raw_email.download
    assert_equal "0CB459E0-0336-41DA-BC88-E6E28C697DDB@37signals.com", inbound_email.message_id
  end

  test "receiving an inbound email relayed from an SMTP server with non UTF-8 characters" do
    assert_difference -> { InactionMailbomb::InboundEmail.count }, +1 do
      post rails_relay_inbound_emails_url, headers: { "Authorization" => credentials, "Content-Type" => "message/rfc822" },
           params: file_fixture("../files/invalid_utf.eml").read
    end

    assert_response :no_content

    inbound_email = InactionMailbomb::InboundEmail.last
    assert_equal file_fixture("../files/invalid_utf.eml").binread, inbound_email.raw_email.download
    assert_equal "05988AA6EC0D44318855A5E39E3B6F9E@jansterba.com", inbound_email.message_id
  end

  test "rejecting a request with no body" do
    assert_no_difference -> { InactionMailbomb::InboundEmail.count } do
      post rails_relay_inbound_emails_url, headers: { "Authorization" => credentials, "Content-Type" => "message/rfc822" },
        env: { "rack.input" => nil }
    end

    assert_response ActionDispatch::Constants::UNPROCESSABLE_CONTENT
  end

  test "rejecting an unauthorized inbound email" do
    assert_no_difference -> { InactionMailbomb::InboundEmail.count } do
      post rails_relay_inbound_emails_url, headers: { "Content-Type" => "message/rfc822" },
        params: file_fixture("../files/welcome.eml").read
    end

    assert_response :unauthorized
  end

  test "rejecting an inbound email of an unsupported media type" do
    assert_no_difference -> { InactionMailbomb::InboundEmail.count } do
      post rails_relay_inbound_emails_url, headers: { "Authorization" => credentials, "Content-Type" => "text/plain" },
        params: file_fixture("../files/welcome.eml").read
    end

    assert_response :unsupported_media_type
  end

  test "raising when the configured password is nil" do
    switch_password_to nil do
      assert_raises ArgumentError do
        post rails_relay_inbound_emails_url, headers: { "Authorization" => credentials, "Content-Type" => "message/rfc822" },
          params: file_fixture("../files/welcome.eml").read
      end
    end
  end

  test "raising when the configured password is blank" do
    switch_password_to "" do
      assert_raises ArgumentError do
        post rails_relay_inbound_emails_url, headers: { "Authorization" => credentials, "Content-Type" => "message/rfc822" },
          params: file_fixture("../files/welcome.eml").read
      end
    end
  end
end