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Why we all hate testing

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beelit94

This is actually a slide talking about why I love testing :D

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WHY WE ALL HATE
TESTING
WHO AM I
• Algorithm Engineer(2011~2012)
• Developer(2012)
• QA Engineer(2013~now)
• I DO NOT HATE TESTING
譚御丰 beelit
beelit94@gmail.com
OUTLINE
•What is testing?
•How do we test this?
•What is exploratory testing?
•Automation
•Agile testing
WHAT IS
TESTING?
WHAT IS TESTING?
is an investigation conducted to provide stakeholders with information
about the quality of the product or service under test
- Wiki
testing is a process to make your product defect free
- online course
testing is like sex, if you don't feel fun, you're doing it wrong
- James Bach
WHY DO EVEN NEED A TESTER
• You just can't find your bug on your own?
• Writing Automation?
• Execute manual test cases?
• Write test plan and test cases?

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Why we all hate testing

  • 1. WHY WE ALL HATE TESTING
  • 2. WHO AM I • Algorithm Engineer(2011~2012) • Developer(2012) • QA Engineer(2013~now) • I DO NOT HATE TESTING 譚御丰 beelit beelit94@gmail.com
  • 3. OUTLINE •What is testing? •How do we test this? •What is exploratory testing? •Automation •Agile testing
  • 5. WHAT IS TESTING? is an investigation conducted to provide stakeholders with information about the quality of the product or service under test - Wiki testing is a process to make your product defect free - online course testing is like sex, if you don't feel fun, you're doing it wrong - James Bach
  • 6. WHY DO EVEN NEED A TESTER • You just can't find your bug on your own? • Writing Automation? • Execute manual test cases? • Write test plan and test cases?
  • 9. HOW DO YOU TEST THIS CHAIR
  • 10. COVER AS POSSIBLE AS I CAN From http://www.tutorialspoint.com/sdlc/sdlc_v_model.htm Scenarios Have a seat!
  • 11. COVER AS POSSIBLE AS I CAN •Performance testing •Stress testing •Etc… From http://mtv.com.lb/news/english_highlights/442179/ internet_users_mock_politicians_with_smash_chair_challenge
  • 12. WHAT IF YOU ONLY HAVE 5 MIN?
  • 13. EXHAUSTIVE TEST IS IMPOSSIBLE •15 input fields, each having 5 possible values •combinations = 5 ^ 15 = 30511578125
  • 14. TESTING IS CONTEXT DEPENDENT • Who‘s going to sit on this chair? • Where‘s this chair going to be put at? • How‘s they’re going to use this chair? • How‘s the yield rate of machine? • Is this chair going to assemble by customer? • …
  • 15. DO YOU TEST THIS? A transformer accepts voltage within 100~200V Would you test less than 100V or over
  • 16. UNWRITTEN REQUIREMENTS •Don‘t kill people •Don‘t crash the system •Don‘t break the law •...
  • 17. HOW TO TEST THIS? •Knowing why you do this type of test •Test unwritten requirement
  • 19. WHAT IS EXPLORATORY TESTING • Ad hoc testing • one-time investigations into a specific risk • simultaneous learning, test design and test execution • Scripted testing vs Non-scripted testing • Responsibility & Freedom • Self-directed • Professional vs Non-professional
  • 20. EXPLORATORY TESTING 3.0 •Testing is exploratory testing •Scripted testing? Doing testing with scripting •Only scripted testing? Unmotivated checking •James Bach -
  • 22. DO WE AUTOMATE EVERY TEST CASES? •Checking vs Testing •Pesticide Paradox •ROI •TDD is testing?
  • 23. DO A TESTER NEED TO KNOW HOW TO CODE? •Ultimate goal on career path? •Don’t push out the person who can think but don’t know how to code •Try to read the code
  • 25. HOW DO A TESTER WORK IN A SCRUM TEAM? • Tester as a team member • Test Architect • Test Explorer/Automator • Test Reporter • Not in a member - Test Jumper
  • 26. HOW WE RUN SCRUM UNDER WATERFALL • Before – Less meeting – Side project always worked solo and died halfway – Test issues are always there – Everyone own their own field • After – A little bit more meeting – Side project become team work – Test issues, Nail it! – Cross functional team
  • 28. WHAT IS TESTING? WHY WE NEED TESTER? • Testing show presence of defects • Exhaustive testing is impossible • Defect Clustering • Pesticide Paradox • Absence of errors is a fallacy • Early testing • Testing is context dependent