require 'spec_helper'
require 'active_support'
require 'loga/log_subscribers/action_mailer'

RSpec.describe Loga::LogSubscribers::ActionMailer do
  subject(:mailer) { described_class.new }

  before { stub_loga }

  let(:event) do
    instance_double(
      'ActiveSupport::Notifications::Event',
      payload: payload,
      duration: 0.0001,
      time: Time.now,
    )
  end

  describe '#deliver' do
    context 'when an email is sent' do
      let(:payload) do
        {
          mailer: 'FakeMailer',
          to:     ['user@example.com'],
        }
      end

      it 'logs an info message' do
        allow(Loga.logger).to receive(:info)
        mailer.deliver(event)
        expect(Loga.logger).to have_received(:info).with(kind_of(Loga::Event))
      end
    end
  end

  describe '#process' do
    context 'when an email is sent' do
      let(:payload) do
        {
          mailer: 'FakeMailer',
          action: 'hello_world',
        }
      end

      it 'logs an info message' do
        allow(Loga.logger).to receive(:debug)
        mailer.process(event)
        expect(Loga.logger).to have_received(:debug).with(kind_of(Loga::Event))
      end
    end
  end

  describe '#receive' do
    context 'when an email is sent' do
      let(:payload) do
        {
          mailer:  'FakeMailer',
          from:    'loremipsum@example.com',
          subject: 'Lorem ipsum',
        }
      end

      it 'logs an info message' do
        allow(Loga.logger).to receive(:info)
        mailer.receive(event)
        expect(Loga.logger).to have_received(:info).with(kind_of(Loga::Event))
      end
    end
  end
end