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# frozen_string_literal: true
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
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