Examples of specs for emails

Email Spec Examples.rb

require 'spec_helper'

describe UserMailer do
  describe "signup_confirmation" do
    let!(:user) {User.create(:username => 'jen', :email => '7maples@example.com')}
    let(:mail) { UserMailer.signup_confirmation }
    before { ActionMailer::Base.deliveries = [] }

    it "confirms delivery" do
      UserMailer.signup_confirmation(user).deliver
      ActionMailer::Base.deliveries.should_not be_empty
    end
  end
end

#Using FactoryGirl - from Raph
describe Mailer do
  it 'sends a welcome email' do
    user = FactoryGirl.create(:user, email: 'phyzikz@gmail.com')
    email = Mailer.welcome_email(user).deliver
    expect(ActionMailer::Base.deliveries).to_not be_empty
  end

  it 'sends an order confirmation email' do
    user = FactoryGirl.create(:user, email: 'phyzikz@gmail.com')
    order = FactoryGirl.create(:order, user: user)
    email = Mailer.order_confirmation(user, order).deliver
    expect(ActionMailer::Base.deliveries).to_not be_empty
  end
end

#Attachments
  it "sends an email to the customer with images attached" do
    post :create, valid_params
    expect(ActionMailer::Base.deliveries.first.attachments.first.filename).to eq "001.jpg"
  end