This document discusses behavior driven development (BDD) and Cucumber style testing. It provides examples of how to set up Cucumber testing for a Rails application, including installing Cucumber gems, configuring support files, and writing a sample feature file to test user sign up. Code snippets are provided for setting up Cucumber configuration files, installing necessary gems, and defining step definitions. The document aims to demonstrate how Cucumber can be used to write automated tests in a human-readable format.

2. Why should we use automatic
test framework?

3. A long long story…

4. Why should we choose
?

5. Test Driven Development

7. cCan you understand it?
No, I can’t

8. Behavior Driven Development

9. Feature:
Now User has given all his basic info and decided which products he will buy, then he
forward into the last process - pay the money. /registration/business_pay will summarize the
price(including tax and discount) he will pay and let user fill in his credit card info, when he
presses "Confirm", it will charge his credit card.
Scenario: Now user input credit card info and press "Confirm", the page will submit his info
to AriaSystem, AriaSystem will validate his credit card info, charge his credit card and return
some data to our database. Then our database will save his personal info and partner info. If
all these work well, user will be redirected to /registration/business_finish.
Given I reach /registration/business_pay
When I fill in basic info into /registration/business_pay
And I press "Confirm"
Then I should see "Please wait..."
And I waiting for being redirected to "/registration/business_finish"
And all MozyPro data in Database is correct

10. Everyone can read it

11. Everyone can write it
Include people who don’t speak English

13. How does it test?

14. Open a real browser

15. Behave as a real user

16. Apply to any page, any website

17. Not only BDD

18. But also DDD
Document Driven Development

19. Cucumber Style Document

20. More secrets ?

21. Step Definitions
Given /^I am in "([^"]*)"$/ do |url|
visit mozy_url(url, :https => true)
end
Then /^I would be redirected to "([^"]*)"$/ do |url|
page.current_url.should
be_include?mozy_url(url, :https => true)
end

22. Have a try ?
Let’s write a simple Cucumber test case

23. Sign up an Account

24. Gemfile
group :test do
gem 'cucumber'
gem 'cucumber-rails', require: false
gem 'capybara', git: 'https://github.com/jnicklas/capybara.git'
gem 'rspec' #use rspec expectation
gem 'Selenium' #use firefox to test
gem 'database_cleaner' #clean database after each test case
end
$ bundle install

25. Install Cucumber
$ rails generate cucumber:install
create config/cucumber.yml
create script/cucumber
chmod script/cucumber
create features/step_definitions
create features/support
create features/support/env.rb
exist lib/tasks
create lib/tasks/cucumber.rake
gsub config/database.yml
gsub config/database.yml
force config/database.yml

26. features/support/env.rb
require 'cucumber/rails’
Capybara.default_selector = :css
Capybara.default_driver = :selenium #add this line
ActionController::Base.allow_rescue = false
begin
DatabaseCleaner.strategy = :transaction
rescue NameError
raise "You need to add database_cleaner to your Gemfile (in the :test group) if you
wish to use it."
End
Cucumber::Rails::Database.javascript_strategy = :truncation

27. features/sign_up.feature
Feature: Sign up
Scenario: I will register a user with email "zhour@vmware.com" and
password "vmware”
Given I fill in email "zhour@vmware.com" and password "vmware" in sign
up page
When I press "Sign up"
Then I should see "Page#index"

28. $ rake cucumber

29. features/step_definitions/sign_up.rb

30. it works

31. Firefox

32. Thanks