Cucumber Ru09 Web

Cucumber collaboration language discussion value customers acceptance Joseph Wilk

Why are you here?

Why are you here? In order ...

Why are you here? In order ... As a Underground attendee

Why are you here? In order ... As a Underground attendee I want ...

Why are you here? In order ... As a Underground attendee I want ... I’ll show you a good time

What’s your acceptance criteria?

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

Pass Fail

How do you know your ﬁnished? You’ll know when I’m ﬁnished

Outside-in User Browser

Outside-in User Browser Views

Outside-in User Browser Views Controllers Models

“I 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.” Martin Fowler

def given_ruby_provides_a_great_dsl(*arg) developers.should be_happy end given_ruby_provides_a_great_dsl 'run away!'

def given_ruby_provides_a_great_dsl(*arg) developers.should be_happy end given_ruby_provides_a_great_dsl 'run away!' Developer

Why do I quote things? Why can Underscores! I not use ‘ $ Customer

Customer Developer Tester

Customer Developer Microsoft Word Tester

Customer Developer Cucumber Tester

Customer Developer Plaintext Ruby Tester

For Cuke Sake Why? • Token Conversation • Acceptance Criteria • Design • Documentation • Functional test • Integration test

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>

Plaintext Ruby Plaintext Plaintext Ruby Ruby

Plaintext Step Given a foaming cuke Ruby Plaintext Plaintext Ruby Ruby

Plaintext Step Given a foaming cuke Ruby Plaintext Plaintext Given /^a foaming (.*)$/i do |fruit| Step fruit.should == 'cukes' #assert_equal(fruit, 'cukes') deﬁnition end Ruby Ruby

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') deﬁnition end Ruby Ruby

Cucumber provides the venue Sinatra Rails Cuke4Duke

Cucumber Gateway? World domination? Cucumber Java Virtual Machine Clojure

Cucumber English

огурец Russian concombre French Japanese Okurkový Czech Gurke German Cucumber English pepino Spanish cetriolo Italian agurk Danish ‫ﺍﳋﻴﺎﺭ‬ Arabic ketimun Indonesian ‫מְלָפְפֹון‬ Hebrew Cogombre Catalan CUCUMBR LOLCats Agurk Norwegian

огурец Russian Korean concombre French gurka Swedish Japanese castravete Romanian Okurkový Czech ogórek Polish Gurke German Cucumber English Kurk Estonian pepino Spanish dưa chuột Vietnamese cetriolo Italian uhorka Slovak agurk Danish gurķis Latvian ‫ﺍﳋﻴﺎﺭ‬ Arabic Agurkas Lithuanian ketimun Indonesian Salátauborka Hungarian ‫מְלָפְפֹון‬ Hebrew Kurkku Finnish Cogombre Catalan Краставица Bulgarian CUCUMBR LOLCats Agurk Norwegian Pepino Portuguese

# 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

How Cucumber supports 28+ languages

How Cucumber supports 28+ languages grammar Feature ... end

How Cucumber supports 28+ languages grammar Feature ... end compiled Ruby

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

"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

Webrat Love visit home_path click_link "Web" ﬁll_in "Email", :with => "Rat” click_button "Love" Bansky

Once more unto the breach, dear friends brace yourself

§

Feature Request I want members to be able to rent a movie with a priority indicating how much they want to see the film

Talk to me Token for Conversation

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 ...

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!

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

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

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

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 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

Are we Acceptance done yet? Deﬁnition of Done.

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

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"

http://iphonemockup.lkmc.ch

Cuking time About cuking time!

High Res: http://www.screencast.com/t/HbvPTbGy Low Res: http://www.vimeo.com/5751831

Here’s one I Cuked earlier Tasty

High Res: http://www.screencast.com/t/2E4nfzXotZ Low Res: http://www.vimeo.com/5751873

Getting Customers using Cucumber

Getting Customers using Cucumber I don’t bite

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#####"' """""

Don’t force Feature: Title In order to <value> As a <role> structure I want <feature>

Avoid Noise! Given I am able to login Given I am able to login

Avoid Given I login Given I authenticate Inconsistency Given I gain access

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

Use Language Building blocks Given /I’m 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

Email Email-spec Webpages Webrat Forms Webrat Java/Swing Swinger

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

Need for SPEED Slick wheels!

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

Scaling - TestJour slaves master features Bonjour

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)

Tagging Eye Head Teeth Foam Dribble

Tagging Feature: Verify billing @javascript Scenario: Missing product description Scenario: Several products $ cucumber --tags ~@javascript $ cucumber --tags @javascript

Tag Hooks Before(‘@teleport’) do teleport.prepare Attach code to tags end

Focused Testing @teleport Feature: Invent teleportation Run just enough tests @money Feature: Make lots of money

Continuous Integration(WIP) Fail Work in Pass Done Pending progress add list $ cucumber --wip movies movies --tags @WIP features/ edit movies delete movies

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

Avoiding Unrealistic expectations

Further reading • http://cukes.info • http://wiki.github.com/ aslakhellesoy/cucumber • http://blog.josephwilk.net

Thanks, Call me sometime joe@josephwilk.net http://github.com/josephwilk http://github.com/aslakhellesoy/cucumber

Cucumber Ru09 Web

0 comments

Notes on slide 1

9 Favorites