05b517a847
- Les observers doivent être déclarés *avant* le chargement de nos delivery methods (Sendinblue & Dolist), sinon ils seront ignorés par ces derniers - dans le balancer, on ne peut pas appeler `.deliver` une seconde fois, sinon les observers (et interceptors) sont invoqués deux fois.
111 lines
2.7 KiB
Ruby
111 lines
2.7 KiB
Ruby
RSpec.describe BalancerDeliveryMethod do
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class ExampleMailer < ApplicationMailer
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def greet(name)
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mail(to: "smtp_to", from: "smtp_from", body: "Hello #{name}")
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end
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end
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class TestMail
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def self.deliveries
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@deliveries ||= []
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end
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def self.deliveries=(val)
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@deliveries = val
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end
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attr_accessor :settings
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def initialize(values)
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@settings = values.dup
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end
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def deliver!(mail)
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Mail::CheckDeliveryParams.check(mail)
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self.class.deliveries << mail
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end
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end
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class MockSmtp < TestMail; end
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class MockSendmail < TestMail; end
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class FixedSequence
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def initialize(sequence)
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@enumerator = sequence.each
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end
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def rand(_)
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@enumerator.next
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end
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end
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before do
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ActionMailer::Base.add_delivery_method :mock_smtp, MockSmtp
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ActionMailer::Base.add_delivery_method :mock_sendmail, MockSendmail
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ActionMailer::Base.add_delivery_method :balancer, BalancerDeliveryMethod
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ExampleMailer.delivery_method = :balancer
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end
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context 'when a single delivery method is provided' do
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before do
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ActionMailer::Base.balancer_settings = { mock_smtp: 10 }
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end
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it 'sends emails to the selected delivery method' do
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mail = ExampleMailer.greet('Joshua').deliver_now
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expect(mail).to have_been_delivered_using(MockSmtp)
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end
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end
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context 'when multiple delivery methods are provided' do
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before do
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ActionMailer::Base.balancer_settings = { mock_smtp: 10, mock_sendmail: 5 }
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rng_sequence = [3, 14, 1]
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BalancerDeliveryMethod.random = FixedSequence.new(rng_sequence)
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end
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after do
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BalancerDeliveryMethod.random = Random.new
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end
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it 'sends emails randomly, given the provided weights' do
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mail1 = ExampleMailer.greet('Lucia').deliver_now
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expect(mail1).to have_been_delivered_using(MockSmtp)
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mail2 = ExampleMailer.greet('Damian').deliver_now
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expect(mail2).to have_been_delivered_using(MockSendmail)
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mail3 = ExampleMailer.greet('Rahwa').deliver_now
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expect(mail3).to have_been_delivered_using(MockSmtp)
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end
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end
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context 'when observers are configured' do
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let(:observer) { double("Observer") }
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before do
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allow(observer).to receive(:delivered_email)
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ActionMailer::Base.register_observer(observer)
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end
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after do
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ActionMailer::Base.unregister_observer(observer)
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end
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it 'invoke the observer exactly once' do
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mail = ExampleMailer.greet('Joshua').deliver_now
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expect(observer).to have_received(:delivered_email).with(mail).once
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end
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end
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# Helpers
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def have_been_delivered_using(delivery_class)
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satisfy("have been delivered using #{delivery_class}") do |mail|
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delivery_class.deliveries.include?(mail)
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end
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end
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end
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