require_relative '../test_helper' require 'action_mailbox/postfix_relayer' module ActionMailbox class PostfixRelayerTest < ActiveSupport::TestCase URL = "https://example.com/rails/action_mailbox/postfix/inbound_emails" INGRESS_PASSWORD = "secret" setup do @relayer = ActionMailbox::PostfixRelayer.new(url: URL, password: INGRESS_PASSWORD) end test "successfully relaying an email" do stub_request(:post, URL).to_return status: 204 result = @relayer.relay(file_fixture("welcome.eml").read) assert_equal "2.0.0 Successfully relayed message to Postfix ingress", result.output assert result.success? assert_not result.failure? assert_requested :post, URL, body: file_fixture("welcome.eml").read, basic_auth: [ "actionmailbox", INGRESS_PASSWORD ], headers: { "Content-Type" => "message/rfc822", "User-Agent" => /\AAction Mailbox Postfix relayer v\d+\./ } end test "unsuccessfully relaying with invalid credentials" do stub_request(:post, URL).to_return status: 401 result = @relayer.relay(file_fixture("welcome.eml").read) assert_equal "4.7.0 Invalid credentials for Postfix ingress", result.output assert_not result.success? assert result.failure? end test "unsuccessfully relaying due to an unspecified server error" do stub_request(:post, URL).to_return status: 500 result = @relayer.relay(file_fixture("welcome.eml").read) assert_equal "4.0.0 HTTP 500", result.output assert_not result.success? assert result.failure? end test "unsuccessfully relaying due to a gateway timeout" do stub_request(:post, URL).to_return status: 504 result = @relayer.relay(file_fixture("welcome.eml").read) assert_equal "4.0.0 HTTP 504", result.output assert_not result.success? assert result.failure? end test "unsuccessfully relaying due to ECONNRESET" do stub_request(:post, URL).to_raise Errno::ECONNRESET.new result = @relayer.relay(file_fixture("welcome.eml").read) assert_equal "4.4.2 Network error relaying to Postfix ingress: Connection reset by peer", result.output assert_not result.success? assert result.failure? end test "unsuccessfully relaying due to connection failure" do stub_request(:post, URL).to_raise SocketError.new("Failed to open TCP connection to example.com:443") result = @relayer.relay(file_fixture("welcome.eml").read) assert_equal "4.4.2 Network error relaying to Postfix ingress: Failed to open TCP connection to example.com:443", result.output assert_not result.success? assert result.failure? end test "unsuccessfully relaying due to client-side timeout" do stub_request(:post, URL).to_timeout result = @relayer.relay(file_fixture("welcome.eml").read) assert_equal "4.4.2 Timed out relaying to Postfix ingress", result.output assert_not result.success? assert result.failure? end test "unsuccessfully relaying due to an unhandled exception" do stub_request(:post, URL).to_raise StandardError.new("Something went wrong") result = @relayer.relay(file_fixture("welcome.eml").read) assert_equal "4.0.0 Error relaying to Postfix ingress: Something went wrong", result.output assert_not result.success? assert result.failure? end end end