spec_features_registration_spec.rb

require "rails_helper"

feature "user registration", js: true do
  let(:registration_page) { Pages::User::RegistrationPage.new }

  scenario "customer signs in with email and password" do
    sign_up_with "aponcz@example.com",
                 "password",
                 "password"

    expect( registration_page ).to have_success_message
  end
end

spec_rails_helper.rb

require "webmock/rspec"


require Rails.root.join("spec/support/pages/page.rb")
Dir[Rails.root.join("spec/support/**/*.rb")].sort.each { |f| require f }

ActiveRecord::Migration.maintain_test_schema!

RSpec.configure do |config|
end

spec_support_pages_page.rb

module Pages
  class Page
    include Capybara::DSL
    include Rails.application.routes.url_helpers

    def poltergeist?
      Capybara.javascript_driver == :poltergeist
    end

    def has_success_message?
      assert_text "Successfully"
    end

    def has_message?(msg)
      assert_text msg
    end
  end
end

spec_support_pages_user_signin_page.rb

module Pages
  module User
    class SigninPage < Page
      def has_success_message?
        has_text? I18n.t("devise.sessions.signed_in")
      end
    end
  end
end