base.rb

# frozen_string_literal: true

require 'delegate'

module Workflows
  ##
  # Common workflow generics
  class Base < SimpleDelegator
    attr_reader :test_obj
  
    def upto(final_step)
      retval = nil

      STEPS[0..STEPS.index(final_step)].each do |current_step|
        retval = send(current_step)
        test_obj.process_events # Call test-helper that runs all event Projectors and Reactors on the new events.
      end

      retval
    end
  end
end

member_registers.rb

module Workflows
  class MemberRegisters < Base
    STEPS = %i[registered confirmed subscribed].freeze

    def registered
      test_obj.visit '/'
      test_obj.click_link 'Register' 
      test_obj.fill_in('Username', with: 'hpotter')
      test_obj.fill_in('Password', with: 'caput draconis')
      test_obj.fill_in('Email', with: 'harry@hogwards.edu.wiz')
      test_obj.click_button('Register')
    end

    def confirmed
      confirmation_url = confirmation_mail.mail.match(%r{http.*/confirmation/})
      test_obj.visit confirmation_url
    end

    def subscribed
      test_obj.find('nav.main').click_link('Account')
      test_obj.click_button('Choose Bronze')

      test_obj.fill_in('Creditcard number', '5555555555554444')
      test_obj.fill_in('CVC', '1234')
      test_obj.click_button('Subscribe')
    end

    private

    def confirmation_mail
      Roost.mailer.deliveries.find do |email|
        email.subject.match?(/Please confirm your email address/)
      end
    end
  end
end

visitor_registers_test.rb

class VisitorRegistersTest < Minitest::WebSpec
  before do
    Roost.mailer.deliveries.clear
  end

  describe 'with open registrations' do
    it 'sends an email' do
      page = Workflows::MemberRegisters.new(self).upto(:registered)

      assert_content(
        find('.notification'),
        'Registration email sent. Please check your spam folder too'
      )

      process_events

      assert_equal(1, Roost.mailer.deliveries.length)
      assert_includes(email.to, 'harry@hogwards.edu.wiz')
      assert_match(
        /Welcome to Flockingbird. Please confirm your email address/,
        email.subject
      )
      assert_match(%r{http.*/confirmation/[0-9A-Z]+}, email.body.to_s)
    end

    it 'confirms the email by clicking the link in the email' do
      Workflows::MemberRegisters.new(self).upto(:confirmed)
      
      assert_content(
        find('.notification'),
        'Email address confirmed. Welcome!'
      )
      
      asert_content(find('.header'), 'logged in as: hpotter')
    end
  end

  describe 'with invite-only' do
    before { skip 'implement setting' }
  end