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BDD for Rails Legacy Code
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BDD for Rails Legacy Code

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  • Transcript

    • 1. BDD for Rails Legacy Code
    • 2. About Me  Lu Wei Jen  Rails Developer  http://blog.weijen.net  http://www.facebook.com/ weijenlu  Twitter: weijenlu 
    • 3. 10
    • 4. 10
    • 5. Legacy Code
    • 6. Agenda • • BDD • BDD • Legacy Code • Legacy Code
    • 7. • • • •
    • 8. Changes Changes Changes Changes Changes Changes
    • 9. BDD • Behavior Driven Development • •
    • 10. BDD Tools for Rails • Cucumber • Webrat • RSpec
    • 11. Cucumber • • •
    • 12. Cucumber
    • 13. Cucumber
    • 14. Cucumber Mock Object
    • 15. Webrat • • • • form •
    • 16. Webrat: • visit "http://rubyconf.tw" • click_link " "
    • 17. Webrat: Form • file_in " ", :with => "weijen" • check " " • select " ", :from => " " • click_button
    • 18. Webrat: • response.should contain(" ") • response.should have_selector("img.photo")
    • 19. RSpec
    • 20. • • • • •
    • 21. • • •
    • 22. • Waybill model #set_customer • Waybills_controller #create
    • 23. Model
    • 24. Model
    • 25. Mock Object • • • •
    • 26. Mock Object • my_mock = mock(name) • my_mock = mock(name, stubs) • my_mock = mock_model(name, stubs)
    • 27. • my_mock.stub!(:msg).with(args).and_return(value)
    • 28. Message Expectation • my_mock.should_receive(:msg).with(args).and_r eturn(value)
    • 29. Mock
    • 30. Controller
    • 31. Controller
    • 32. Cucumber
    • 33.
    • 34. • +
    • 35. • No Silver Bullet • •
    • 36. Q &A