require 'test_helper_dummy'

module UserMailerTests
  def self.included(klass)
    klass.class_eval do

      tests UserMailer

      let(:deliveries)        { ActionMailer::Base.deliveries }
      let(:user_mailer_class) { UserMailer }
      let(:user_email)        { user_mailer_class.deliver_welcome(user_ken) }

      it 'works' do
        deliveries.must_be :empty?
        user_email
        deliveries.wont_be :empty?
        user_email.to.must_equal    [user_ken.email]
        user_email.from.must_equal  ['rails@minitest.spec']
        user_email.body.must_equal  "Welcome to MiniTest::Spec #{user_ken.email}!"
      end

      it 'allows custom assertions' do
        assert_emails(1) { user_email }
      end

      it 'can find the mailer_class' do
        self.class.mailer_class.must_equal user_mailer_class
      end

      describe 'nested 1' do

        it('works') { skip }

        it 'can find the mailer_class' do
          self.class.mailer_class.must_equal user_mailer_class
        end

        describe 'nested 2' do

          it('works') { skip }

        end

      end
    
    end
  end
end

class UserMailerTest < ActionMailer::TestCase
  include UserMailerTests
  it 'reflects' do
    describing_class.must_equal UserMailerTest
    described_class.must_equal UserMailer
    self.class.described_class.must_equal UserMailer
  end
  describe 'level 1' do
    it 'reflects' do
      describing_class.must_equal UserMailerTest
      described_class.must_equal  UserMailer
      self.class.described_class.must_equal UserMailer
    end
    describe 'level 2' do
      it 'reflects' do
        describing_class.must_equal UserMailerTest
        described_class.must_equal  UserMailer
        self.class.described_class.must_equal UserMailer
      end
    end
  end
end

describe UserMailer do
  include UserMailerTests
  it 'reflects' do
    described_class.must_equal UserMailer
    self.class.described_class.must_equal UserMailer
  end
  describe 'level 1' do
    it 'reflects' do
      described_class.must_equal UserMailer
      self.class.described_class.must_equal UserMailer
    end
    describe 'level 2' do
      it 'reflects' do
        described_class.must_equal UserMailer
        self.class.described_class.must_equal UserMailer
      end
    end
  end
end