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BBQ

Build Status Dependency Status

Object oriented acceptance testing using personas.

  • Ruby (no Gherkin)
  • Objects and methods instead of steps
  • Test framework independent (RSpec and Test::Unit support)
  • Thins based on Capybara.
  • DCI (Data Context Interaction) for roles/personas
  • Opinionated

Setup

First, add BBQ to your apps Gemfile:

gem "bbq", "0.1.0"

Run install generator:

bundle exec rails generate bbq:install

Require BBQ in test/test_helper.rb (in case of Test::Unit):

require "bbq/test_unit"

Require BBQ in spec/spec_helper.rb (in case of RSpec):

require "bbq/rspec"

Feature generator

bundle exec rails g bbq:test MyFeatureName

Running features

For Test::Unit flavour:

bundle exec rake test:acceptance

For RSpec flavour:

bundle exec rake spec:acceptance

Examples

Roles and Devise integration

class TestUser < Bbq::TestUser
  include Bbq::Devise

  def update_ticket(summary, comment)
    show_ticket(summary)
    fill_in  "Comment", :with => comment
    click_on "Add update"
  end

  def open_application
    visit '/'
  end

  module TicketReporter
    def open_tickets_listing
      open_application
      click_link 'Tickets'
    end

    def open_ticket(summary, description)
      open_tickets_listing
      click_on "Open a new ticket"
      fill_in  "Summary", :with => summary
      fill_in  "Description", :with => description
      click_on "Open ticket"
    end

    def show_ticket(summary)
      open_tickets_listing
      click_on summary
    end
  end

  module TicketManager
    def open_administration
      visit '/admin'
    end

    def open_tickets_listing
      open_administration
      click_link 'Tickets'
    end

    def close_ticket(summary, comment = nil)
      open_tickets_listing
      click_on summary
      fill_in  "Comment", :with => comment if comment
      click_on "Close ticket"
    end

    def show_ticket(summary)
      open_tickets_listing
      click_on summary
    end
  end
end
class AdminTicketsTest < Bbq::TestCase
  background do
    admin = Factory(:admin)
    @email, @password = admin.email, admin.password
  end

  scenario "admin can browse all user tickets" do
    summaries    = ["Forgot my password", "Page is not displayed correctly"]
    descriptions = ["I lost my yellow note with password under the table!",
                    "My IE renders crap instead of crispy fonts!"]

    alice = TestUser.new
    alice.roles(:ticket_reporter)
    alice.register_and_login
    alice.open_ticket(summaries.first, descriptions.first)

    bob = TestUser.new
    bob.roles(:ticket_reporter)
    bob.register_and_login
    bob.open_ticket(summaries.second, descriptions.second)

    charlie = TestUser.new(:email => @email, :password => @password)
    charlie.login # charlie was already "registered" in factory as admin
    charlie.roles(:ticket_manager)
    charlie.open_tickets_listing
    charlie.see!(*summaries)

    charlie.click_on(summaries.second)
    charlie.see!(summaries.second, descriptions.second)
    charlie.not_see!(summaries.first, descriptions.first)
  end
end

RSpec integration

class TestUser < Bbq::TestUser
  def email
    @options[:email] || "[email protected]"
  end
  
  module Buyer
    def ask_question(question)
      fill_in "question", :with => question
      fill_in "email", :with => email
      click_on("Ask")
    end
    
    def go_to_page_and_open_widget(page_url, &block)
      go_to_page(page_url)
      open_widget &block
    end
    
    def go_to_page(page_url)
      visit page_url
      wait_until { page.find("iframe") }
    end
        
    def open_widget
      within_widget do
        page.find("#widget h3").click
        yield if block_given?
      end
    end
    
    ef within_widget(&block)
      within_frame(widget_frame, &block)
    end
    
    def widget_frame
      page.evaluate_script("document.getElementsByTagName('iframe')[0].id")
    end
  end
end
feature "ask question widget" do
  let(:user) {
    user = TestUser.new(:driver => :webkit)
    user.roles('buyer')
    user
  }
  
  scenario "as a guest user, I should be able to ask a question" do
    user.go_to_page_and_open_widget("/widget") do
      user.ask_question "my question"
      user.see!("Thanks!")
    end
  end
end

Testing REST APIs

Bbq provides Bbq::TestClient, similar to Bbq::TestUser, but intended for testing APIs. It's a thin wrapper around Rack::Test which allows you to send requests and run assertions against responses.

class ApiTest < Bbq::TestCase
  background do
    headers = {'HTTP_ACCEPT' => 'application/json'}
    @client = TestClient.new(:headers => headers)
  end

  scenario "admin can browse all user tickets" do
    @client.get "/unicorn" do |response|
      assert_equal 200, response.status
      assert_equal "pink", response.body["unicorn"]["color"]
    end
    @client.post "/ponies", { :name => "Miracle" } do |response|
      assert_equal 200, response.status
    end
  end
end

Rails URL Helpers

Using url helpers from Rails in integration tests is not recommended. Testing routes is part of integration test, so you should actually use only

  visit '/'

in your integration test. Use links and buttons in order to get to other pages in your app.

If you really need url helpers in your test user, just include them in your TestUser class:

require 'bbq/rails/routes'

class TestUser < Bbq::TestUser
  include Bbq::Rails::Routes
end

or just

class TestUser < Bbq::TestUser
  include ::ActionDispatch::Routing::UrlFor
  include ::Rails.application.routes.url_helpers
  include ::ActionDispatch::Routing::RouteSet::MountedHelpers unless ::Rails.version < "3.1"
end

Devise support

require "bbq/test_user"
require "bbq/devise"

class TestUser < Bbq::TestUser
  include Bbq::Devise
end

After that TestUser have login, logout, register, register_and_login methods.

test "user register with devise" do
  user = TestUser.new # or TestUser.new(:email => "[email protected]", :password => "secret")
  user.register_and_login
  user.see!("Stuff after auth")
end

Caveats

Timeout::Error

If you simulate multiple users in your tests and spawn multiple browsers with selenium it might be a good idea to use Thin instead of Webrick to create application server. We have experienced some problems with Webrick that lead to Timeout::Error exception when user/browser that was inactive for some time (due to other users/browsers activities) was requested to execute an action.

Capybara will use Thin instead of Webrick when it's available, so you only need to add Thin to you Gemfile:

# In test group if you want it to
# be used only in tests and not in your development mode
# ex. when running 'rails s'

gem 'thin', :require => false

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