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Behavior Driven Development, an introduction

Avatar for Peter Berkenbosch Peter Berkenbosch
November 09, 2013
Programming
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Behavior Driven Development, an introduction

Introduction to BDD Lightning talk for RailsGirls Groningen event 9th of november 2013

Avatar for Peter Berkenbosch

Peter Berkenbosch

November 09, 2013
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Transcript

  1. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl Behavior Driven Development an

    introduction Peter Berkenbosch

  2. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl Getting Started Create static

    pages to your app

  3. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl Describe behavior

  4. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl require "test_helper" ! feature

    "Show info static page" do scenario “renders pages#info” do visit "/pages/info" page.must_have_content "Info static page" end end test/features/show_info_static_page_test.rb

  5. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl Failing test

  6. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl

  7. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl No route matches [GET]

    "/pages/info"

  8. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl Make it green

  9. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl Railsgirls::Application.routes.draw do root :to

    => redirect('/ideas') resources :ideas ! get "pages/info" end config/routes.rb

  10. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl

  11. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl or change the message

  12. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl uninitialized constant PagesController

  13. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl Make it green

  14. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl class PagesController < ApplicationController

    def info end end app/controllers/pages_controller.rb

  15. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl

  16. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl or change the message

  17. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl Expected to include "Info

    static page".

  18. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl Make it green

  19. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl <h1>Info static page</h1> <p>

    Hello wonderful Rails world!</p> app/views/pages/info.html.erb

  20. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl

  21. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl

  22. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl describe behavior failing test

    make it green or change the message short recap

  23. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl More to explore!

  24. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl unit tests refactoring minitest

    code coverage capybara rspec code katas beer pizza

  25. Peter Berkenbosch * @pberkenbosch * www.peterberkenbosch.nl Questions? @pberkenbosch ! peterberkenbosch