Test, you fools ( Testad malditos)

A light introduction to the automated testing process.

Transcript

1. Testad malditos
   Jorge Juan Barroso Carmona
   jorge@karumi.com
   @flipper83
   +JorgeJBarroso
   Android Expert
   

   View Slide

2. Basho. Poet
   Karumi is the beauty of ordinary things spoken of in
   a simple way.
   

   View Slide

3. Adam Tornhill
   “Testing is the process of executing a
   program with the intent of finding
   errors. ... This definition of testing has
   many implications ... it implies that
   testing is a destructive process, even a
   sadistic process, which explains why
   most people find it difficult.”
   Glenford J. Myers
   

   View Slide

4. Why Write Test?
   

   View Slide

5. It is your
   responsibility
   

   View Slide

6. The only way to makes a
   refactor
   

   View Slide

7. it’s really good live
   Documentation
   

   View Slide

8. it’s a tool for
   Design
   

   View Slide

9. it’s
   Money
   

   View Slide

10. “Bad code affect to your Costumer”
    Martin Fowler
    

    View Slide

11. View Slide

12. View Slide

13. Acceptance Testing
    

    View Slide

14. It’s from the point of view of the
    Customer
    

    View Slide

15. similar to
    Natural
    Language
    

    View Slide

16. near to
    Frameworks
    

    View Slide

17. Robotium
    Appium
    Espresso
    

    View Slide

18. Integration Testing
    

    View Slide

19. Test how modules work
    together
    

    View Slide

20. Unit Testing
    

    View Slide

21. 24
    different definitions of unit test.
    

    View Slide

22. You're testing should be
    isolated
    from its collaborators
    

    View Slide

23. Small
    scope
    

    View Slide

24. Unit tests are not
    silver bullets
    

    View Slide

25. A unit is
    not a class
    

    View Slide

26. Fast

    Isolated
    Repeatable
    Self-Verifing
    Timely/Transparent
    

    View Slide

27. Stubs Canned responses
    Mocks Expectations

    Spies Save information
    Fake Near to real one
    Dummy Not make anything
    Test Doubles
    

    View Slide

28. Given

    When
    Then
    

    View Slide

29. Adam Tornhill
    “When you are very thirsty, even dirty
    water will keep you alive.”
    J. B. Rainsberger
    

    View Slide

30. Bibliography
    They’re the cracks!
    Adicto Al verde. Joaquin Engelmo
    Elegant?? Unit Testing. Pablo Guardiola
    Working Effectively with Unit testing. Jay Fields
    Software Craftmanship. Sandro Mancuso
    Mocks Aren't Stubs. martin fowler. 2007
    Software Reliability: Principles & Practices. Glenford J. Myers 1976
    The Art of Unit Testing. Roy Osherove
    Test Driven Development: By Example. Kent Beck
    

    View Slide

31. Find me
    I am very social!
    jorge@karumi.com
    @flipper83
    +JorgeJBarroso
    Questions?
    

    View Slide

32. View Slide