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9 Patterns in Automated
        Testing




       Paul Merrill
    Consultant, Trainer
What’s the next number?
        {2, 4, 6, …}
      {1, 2, 3, 5, …}
    {2, 3, 5, 7, 11, …}
     {3, 1, 4, 1, 5, …}




      Copyright Beaufort Fairmont, LLC, 2013
They are…
    {2, 4, 6, 8, 10} – Even Numbers
1, 2, 3, 5, 8, 13} - Fibonacci Sequence
     2, 3, 5, 7, 11, 13, 17} – Primes
    3, 1, 4, 1, 5, 9, 2} - Digits of Pi

    Which of these are patterns?


             Copyright Beaufort Fairmont, LLC, 2013
What is a Pattern?




   Copyright Beaufort Fairmont, LLC, 2013
pattern 1 (ˈpæt " n)

   —n
1.   an arrangement of repeated or
    corresponding parts, decorative
    motifs, etc:

    although the notes seemed random, a
    careful listener could detect a pattern

                Copyright Beaufort Fairmont, LLC, 2013
                                                 **World English Dictionary
Copyright Beaufort Fairmont, LLC, 2013
Working Definition:



Something we’ve experienced multiple
  times and from which we’ve learned




           Copyright Beaufort Fairmont, LLC, 2013
David Kolb’s Learning Cycle




        Copyright Beaufort Fairmont, LLC, 2013
AutomationPatterns.org




      Copyright Beaufort Fairmont, LLC, 2013
The Break-down
•   Framework Design
•   Test Case Design
•   Infrastructure
•   Behavioral




               Copyright Beaufort Fairmont, LLC, 2013
Isolate Test Cases




    Copyright Beaufort Fairmont, LLC, 2013
Test Case Fails for One
 and Only One Reason




       Copyright Beaufort Fairmont, LLC, 2013
Pass or Fail Only




    Copyright Beaufort Fairmont, LLC, 2013
AntiPattern - Record and
        Playback




      Copyright Beaufort Fairmont, LLC, 2013
Developers Can Run Tests




       Copyright Beaufort Fairmont, LLC, 2013
Integrate Test Cases into
 Continuous Integration




       Copyright Beaufort Fairmont, LLC, 2013
Create Test Environment
with Single Button Press




       Copyright Beaufort Fairmont, LLC, 2013
AntiPattern - l33t automation
          architect




         Copyright Beaufort Fairmont, LLC, 2013
Write Test Cases Fast




    Copyright Beaufort Fairmont, LLC, 2013
Patterns that don’t exist

The human tendency to see patterns that
 do not actually exist is called
 apophenia.

Misperception of patterns in random
 data is called pareidolia.



             Copyright Beaufort Fairmont, LLC, 2013
Paul Merrill
Consultant &
  Trainer
@dpaulmerrill
9 Patterns in Automated
        Testing




       Paul Merrill
    Consultant, Trainer

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April: 9 Patterns in Automated Testing

  • 1. 9 Patterns in Automated Testing Paul Merrill Consultant, Trainer
  • 2. What’s the next number? {2, 4, 6, …} {1, 2, 3, 5, …} {2, 3, 5, 7, 11, …} {3, 1, 4, 1, 5, …} Copyright Beaufort Fairmont, LLC, 2013
  • 3. They are… {2, 4, 6, 8, 10} – Even Numbers 1, 2, 3, 5, 8, 13} - Fibonacci Sequence 2, 3, 5, 7, 11, 13, 17} – Primes 3, 1, 4, 1, 5, 9, 2} - Digits of Pi Which of these are patterns? Copyright Beaufort Fairmont, LLC, 2013
  • 4. What is a Pattern? Copyright Beaufort Fairmont, LLC, 2013
  • 5. pattern 1 (ˈpæt " n) —n 1. an arrangement of repeated or corresponding parts, decorative motifs, etc: although the notes seemed random, a careful listener could detect a pattern Copyright Beaufort Fairmont, LLC, 2013 **World English Dictionary
  • 7. Working Definition: Something we’ve experienced multiple times and from which we’ve learned Copyright Beaufort Fairmont, LLC, 2013
  • 8. David Kolb’s Learning Cycle Copyright Beaufort Fairmont, LLC, 2013
  • 9. AutomationPatterns.org Copyright Beaufort Fairmont, LLC, 2013
  • 10. The Break-down • Framework Design • Test Case Design • Infrastructure • Behavioral Copyright Beaufort Fairmont, LLC, 2013
  • 11. Isolate Test Cases Copyright Beaufort Fairmont, LLC, 2013
  • 12. Test Case Fails for One and Only One Reason Copyright Beaufort Fairmont, LLC, 2013
  • 13. Pass or Fail Only Copyright Beaufort Fairmont, LLC, 2013
  • 14. AntiPattern - Record and Playback Copyright Beaufort Fairmont, LLC, 2013
  • 15. Developers Can Run Tests Copyright Beaufort Fairmont, LLC, 2013
  • 16. Integrate Test Cases into Continuous Integration Copyright Beaufort Fairmont, LLC, 2013
  • 17. Create Test Environment with Single Button Press Copyright Beaufort Fairmont, LLC, 2013
  • 18. AntiPattern - l33t automation architect Copyright Beaufort Fairmont, LLC, 2013
  • 19. Write Test Cases Fast Copyright Beaufort Fairmont, LLC, 2013
  • 20. Patterns that don’t exist The human tendency to see patterns that do not actually exist is called apophenia. Misperception of patterns in random data is called pareidolia. Copyright Beaufort Fairmont, LLC, 2013
  • 21. Paul Merrill Consultant & Trainer @dpaulmerrill
  • 22. 9 Patterns in Automated Testing Paul Merrill Consultant, Trainer