Cucumber Ru09 Web
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The document discusses Cucumber, a tool for writing acceptance tests in a business-readable domain-specific language called Gherkin. It touches on how Cucumber supports over 28 languages by compiling Gherkin grammars into the target language. It also provides examples of tagging scenarios and features in Cucumber to enable focused testing. Finally, it recommends further reading resources for learning more about Cucumber.
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Cucumber Ru09 Web
- 1. Cucumber collaboration language discussion value customers acceptance Joseph Wilk
- 2. Why are you here?
- 3. Why are you here? In order ...
- 4. Why are you here? In order ... As a Underground attendee
- 5. Why are you here? In order ... As a Underground attendee I want ...
- 6. Why are you here? In order ... As a Underground attendee I want ... Iāll show you a good time
- 7. Whatās your acceptance criteria?
- 8. Scenario: Ecstatic Underground attendees Given people turned up When Joseph talks Then everyone should learn something new And no-one should fall asleep And no cucumbers should be thrown
- 9. Pass Fail
- 10. Pass Fail
- 11. How do you know your ļ¬nished? Youāll know when Iām ļ¬nished
- 12. Outside-in User Browser
- 13. Outside-in User Browser Views
- 14. Outside-in User Browser Views Controllers Models
- 15. āI believe that the hardest part of software projects, the most common source of project failure, is communication with the customers and users of that software. By providing a clear yet precise language to deal with domains, a DSL can help improve this communication.ā Martin Fowler
- 16. def given_ruby_provides_a_great_dsl(*arg) developers.should be_happy end given_ruby_provides_a_great_dsl 'run away!'
- 17. def given_ruby_provides_a_great_dsl(*arg) developers.should be_happy end given_ruby_provides_a_great_dsl 'run away!' Developer
- 18. Why do I quote things? Why can Underscores! I not use ā $ Customer
- 19. Customer Developer Tester
- 20. Customer Developer Tester
- 21. Customer Developer Microsoft Word Tester
- 22. Customer Developer Cucumber Tester
- 23. Customer Developer Plaintext Ruby Tester
- 24. For Cuke Sake Why? ā¢ Token Conversation ā¢ Acceptance Criteria ā¢ Design ā¢ Documentation ā¢ Functional test ā¢ Integration test
- 25. Cucumber Feature Feature: Be awesome Not Narrative executed Example of Scenario: title behaviour which rocks Given <some context> And <yet more context> When <some action> Steps And <more actions> Then <some outcome> And <more outcomes>
- 26. Cucumber Feature Feature: Be awesome Not Narrative executed Example of Scenario: title behaviour which rocks Given <some context> And <yet more context> When <some action> Steps And <more actions> Then <some outcome> And <more outcomes>
- 27. Plaintext Ruby Plaintext Plaintext Ruby Ruby
- 28. Plaintext Step Given a foaming cuke Ruby Plaintext Plaintext Ruby Ruby
- 29. Plaintext Step Given a foaming cuke Ruby Plaintext Plaintext Given /^a foaming (.*)$/i do |fruit| Step fruit.should == 'cukes' #assert_equal(fruit, 'cukes') deļ¬nition end Ruby Ruby
- 30. Plaintext Step Given a foaming cuke regexp match Ruby Plaintext Plaintext Given /^a foaming (.*)$/i do |fruit| Step fruit.should == 'cukes' #assert_equal(fruit, 'cukes') deļ¬nition end Ruby Ruby
- 31. Cucumber provides the venue Sinatra Rails Cuke4Duke
- 32. Cucumber Gateway? World domination? Cucumber Java Virtual Machine Clojure
- 33. Cucumber English
- 34. Cucumber English
- 35. Š¾Š³ŃŃŠµŃ Russian concombre French Japanese OkurkovĆ½ Czech Gurke German Cucumber English pepino Spanish cetriolo Italian agurk Danish ā«ļŗļ³ļ»“ļŗļŗā¬ Arabic ketimun Indonesian ā«×Ö°×Öøפְפֹ××ā¬ Hebrew Cogombre Catalan CUCUMBR LOLCats Agurk Norwegian
- 36. Š¾Š³ŃŃŠµŃ Russian Korean concombre French gurka Swedish Japanese castravete Romanian OkurkovĆ½ Czech ogĆ³rek Polish Gurke German Cucumber English Kurk Estonian pepino Spanish dĘ°a chuį»t Vietnamese cetriolo Italian uhorka Slovak agurk Danish gurÄ·is Latvian ā«ļŗļ³ļ»“ļŗļŗā¬ Arabic Agurkas Lithuanian ketimun Indonesian SalĆ”tauborka Hungarian ā«×Ö°×Öøפְפֹ××ā¬ Hebrew Kurkku Finnish Cogombre Catalan ŠŃŠ°ŃŃŠ°Š²ŠøŃŠ° Bulgarian CUCUMBR LOLCats Agurk Norwegian Pepino Portuguese
- 37. # language: en-au Crikey: Eating Mate: cucumbers Ya now how I have 3 cucumbers When I eat 2 cucumbers Ya gotta have 2 cucumbers in the belly N I have 1 cucumber left YaNowHow /^I have (d+) cucumbers$/ do |n| @basket = Basket.new(n.to_i) end When /^I eat (d+) cucumbers$/ do |n| @belly = Belly.new @belly.eat(@basket.take(n.to_i)) end YaGotta /^have (d+) cucumbers in the belly$/ do |n| @belly.cukes.should == n.to_i end
- 38. How Cucumber supports 28+ languages
- 39. How Cucumber supports 28+ languages grammar Feature ... end
- 40. How Cucumber supports 28+ languages grammar Feature ... end compiled Ruby
- 41. How Cucumber supports 28+ languages grammar Feature grammar <%= keywords('grammar_name', true) %> ... rule step_keyword end (<%= keywords('given') %>) / (<%= keywords('when') %>) / (<%= keywords('then') %>) / compiled (<%= keywords('and') %>) / (<%= keywords('but') %>) end Ruby ... end
- 42. "en-lol": "en-au": name: LOLCAT name: Australian native: LOLCAT native: Australian encoding: UTF-8 encoding: UTF-8 feature: OH HAI feature: Crikey background: B4 background: Background scenario: MISHUN scenario: Mate scenario_outline: MISHUN SRSLY scenario_outline: Blokes examples: EXAMPLZ examples: Cobber given: I CAN HAZ given: Ya know how when: WEN when: When then: DEN then: Ya gotta and: AN and: N but: BUT but: Cept space_after_keyword: true space_after_keyword: true
- 43. Webrat Love visit home_path click_link "Web" ļ¬ll_in "Email", :with => "Ratā click_button "Love" Bansky
- 44. Once more unto the breach, dear friends brace yourself
- 45. Ā§
- 46. Feature Request I want members to be able to rent a movie with a priority indicating how much they want to see the film
- 47. Talk to me Token for Conversation
- 48. Story Story: Film Member selects a movie to rent with priority As a Film member I want to add movies to my rental list with a priority So that ...
- 49. Story Story: Film Member selects a movie to rent with priority As a Film member I want to add movies to my rental list with a priority So that ... Give me the movie NOW!
- 50. Feature Injection Feature: Film Member selects a movie to rent with priority In order to maximise allocation of films The Stock department Wants Film members to add movies to their rental list with a priority
- 51. Feature Injection Value Feature: Film Member selects a movie to rent with priority In order to maximise allocation of films The Stock department Wants Film members to add movies to their rental list with a priority
- 52. Feature Injection Value Feature: Film Member selects a movie to rent with priority In order to maximise allocation of films The Stock department Wants Film members to add movies to their rental list with Role a priority
- 53. Feature Injection Value Feature: Film Member selects a movie to rent with priority In order to maximise allocation of films The Stock department Wants Film members to add movies to their rental list with Role a priority Role
- 54. Feature Injection Value Feature: Film Member selects a movie to rent with priority In order to maximise allocation of films The Stock department Wants Film members to add movies to their rental list with Role a priority Role Feature
- 55. Are we Acceptance done yet? Deļ¬nition of Done.
- 56. Scenarios Feature: Film Member selects a movie to rent with priority In order to maximise allocation of films The Stock department Wants Film members to add movies to their rental list with a priority Scenario: High priority
- 57. Scenarios Feature: Film Member selects a movie to rent with priority In order to maximise allocation of films The Stock department Wants Film members to add movies to their rental list with a priority Scenario: High priority Given I'm logged in And I am viewing the movie "Casshern" When I choose "High priority" And I press "Rent" Then I should see "My rental list" And I should see "Casshern" in my rental list And "Casshern" should be marked as "High priority"
- 59. Cuking time About cuking time!
- 60. High Res: http://www.screencast.com/t/HbvPTbGy Low Res: http://www.vimeo.com/5751831
- 61. Hereās one I Cuked earlier Tasty
- 62. High Res: http://www.screencast.com/t/2E4nfzXotZ Low Res: http://www.vimeo.com/5751873
- 63. Getting Customers using Cucumber
- 64. Getting Customers using Cucumber I donāt bite
- 65. The Art of War Plaintext , , @"===, ,_____cctI "?AAAAAAAAAAAAAAAA,,,,,,,,,,,,,,,,,,,,,;LLLLLLLLLL ~",,, 1""""""""""""###OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO '"EEEEE, !'"***"~~~~~~"OOOIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII ,EEEEE)>"'''???????"WWW!MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM "E.,)+="WWW~~~~~~#"OOO1OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO ,~:#")LLL!"+++???????"$$$1==========##/ &LLLLLLLLL;;;;;;;;;;;;,,,/ 1#LLLLLLLLLLLLLLLLLLLLLL! ,!###LLLLLL"'EEEE,'"LLLLL! !######LLL" "EEE" "LLLL" !#########L! "EEJ. "LL! !##########1 "JJ*,l" !############"! ,l" 1##########" 1"~~,~~" !##########" !###########! !###########1 !############! 1############# !"#############" !##############! 1##########"' A magnum, By calendron 1#####"' """""
- 66. Donāt force Feature: Title In order to <value> As a <role> structure I want <feature>
- 67. Avoid Noise! Given I am able to login Given I am able to login
- 68. Avoid Given I login Given I authenticate Inconsistency Given I gain access
- 69. Given I go to the login page Balance And I fill in "username" with "cuke" And I fill in "password" with "cuker" And I click "login" Abstraction Given I'm logged in
- 70. Use Language Building blocks Given /Iām logged in/ do User.create!(:user => 'josephwilk', :password => "pass") Given 'I fill in "password" with "josephwilk"' Given 'I fill in "password" with "pass"' Given 'I click "login"' end
- 71. Email Email-spec Webpages Webrat Forms Webrat Java/Swing Swinger
- 72. Gherkin Metrics? Lack of narrative # language: en-au Crikey: Eating Mate: cucumbers Number Ya now how I have 3 cucumbers When I eat 2 cucumbers of steps Ya gotta have 2 cucumbers in the belly N I have 1 cucumber left Number of Semantically noise words similar words
- 73. Need for SPEED Slick wheels!
- 74. Spork require 'rubygems' require 'spork' # Sets up the Rails environment for Cucumber ENV["RAILS_ENV"] ||= "cucumber" Spork.prefork do $ spork cuc # Load all the heavy stuff... end Spork.each_run do $ cucumber --drb ... # Load the stuff just for this run... Before do Pages.delete_all end end
- 75. Scaling - TestJour slaves master features Bonjour
- 76. Need for speed Webrat 0.8 Celerity 12 Watir 12 Selenium 12.9 0 3.75 7.5 11.25 15 start-up time (seconds)
- 77. Tagging Eye Head Teeth Foam Dribble
- 78. Tagging Feature: Verify billing @javascript Scenario: Missing product description Scenario: Several products $ cucumber --tags ~@javascript $ cucumber --tags @javascript
- 79. Tag Hooks Before(ā@teleportā) do teleport.prepare Attach code to tags end
- 80. Focused Testing @teleport Feature: Invent teleportation Run just enough tests @money Feature: Make lots of money
- 81. Continuous Integration(WIP) Fail Work in Pass Done Pending progress add list $ cucumber --wip movies movies --tags @WIP features/ edit movies delete movies
- 82. Limiting Tags in Flow Work in Done progress add add add add movies movies movies movies $ cucumber --tags @WIP:3 features/ add add add edit movies movies movies movies limit 3 tags add add add delete movies movies movies movies
- 84. Further reading ā¢ http://cukes.info ā¢ http://wiki.github.com/ aslakhellesoy/cucumber ā¢ http://blog.josephwilk.net
- 85. Thanks, Call me sometime joe@josephwilk.net http://github.com/josephwilk http://github.com/aslakhellesoy/cucumber