聊聊測試左移

1. 聊聊測試左移
Jersey Su @ 台灣軟體工程學會專題演講

2. Who Am I?
• I am 哲西
• A Father, who lives in Taipei.
• A geek who loves testing.
• An explorer.
• Twitter: https://twitter.com/jersey_su
• LinkedIn: https://www.linkedin.com/in/jerseysu/
• Medium: https://medium.com/@loverjersey

3. Slido

4. Start your engine!

5. Larry Smith
Bugs are cheap when caught young

6. SDLC
https://birdeatsbug.com/blog/shift-left-testing

7. Potential Issue?
https://twitter.com/designtaxi/status/669954017066409984/pho
To receive the user feedback slowly

8. Potential Issue?
https://brilliant.org/daily-problems/flowing-through-a-bottlenec
Testing become the bottleneck

9. Potential Issue?
https://muhsan.com/long-flight-delay/
Delay release to production

10. Potential Issue?
https://kishorsharma69.wordpress.com/2015/09/15/bug-and-its-th
Costly bugs fixing

11. Potential Issue?
https://www.marketwatch.com/story/package-arrived-damaged-heres-what-to-do-in-this-order-201
Low quality product

12. Game Time!

13. Guess Guess who is the bug king!

14. Bug king game, the highest scores is the
winner.
• Meaningless pull request title - 0.5 point
• No pull-request description - 1 point
• The commit message does not follow the conventional commits - 1 point
• N files changes without any unit test / functional test - 1 point
• Merge without anyone reviewed - 3 point
• Begging you to approval the pull-request without any context - 10 point

15. Game start!
https://github.com/dwyl/contributing/issues/78
Scores?

16. Larry Smith
Bugs are cheap when caught young

17. SDLC
https://birdeatsbug.com/blog/shift-left-testing

18. Shift-Left testing model
https://birdeatsbug.com/blog/shift-left-testing

19. Why the shift-left testing?
https://www.coe.int/fr/web/internal-oversight/prevention-and-investigation-activ
Prevention the issue earlier

20. Why the shift-left testing?
http://shorturl.at/jvwRX
Testing to detect the defect earlier

21. The benefit of the shift-left testing
https://www.techarcis.com/shift-left-testing-explained-by-sunil-sehgal-of-techarc

22. The benefit of the shift-left testing
https://www.scrum.org/resources/blog/whats-good-code-coverage-h
Enhanced the test coverage

23. The benefit of the shift-left testing
https://trackvia.com/blog/workflow/6-steps-streamline-business-workf
Streamline the working flow

24. The benefit of the shift-left testing
https://knowledge.ulprospector.com/2909/pcc-5-ways-to-reduce-formula-cost-keep-consumers-h
Reduced the development / testing cost

25. The benefit of the shift-left testing
https://laravel-news.com/tips-to-speed-up-phpunit-tests
Speed up the release

26. The benefit of the shift-left testing
https://hackmd.io/@sysprog/software-failure
A real world issue

27. Key promoter to shift-left testing
https://newsroom.unsw.edu.au/news/business-law/3-problems-fines-not-reporting-positive-covi
Improve the code / environment testability

28. Key promoter to shift-left testing
https://www.glasscubes.com/improve-cross-team-collaborati
Crossteam collaboration

29. Key promoter to shift-left testing
https://www.atulhost.com/what-is-ci-cd
Do the CI and CD

30. Key promoter to shift-left testing
https://breezingminds.com/why-a-growth-mindset-is-essential-for-your-car
Mindset

31. Best practice of shift-left testing
https://www.quora.com/What-is-scrum-board
Proper planning

32. Best practice of shift-left testing
https://medium.com/doteveryone/knowledge-understanding-how-to-be-a-responsible-leader-in-a-digital-world-7f0bd
Totally understand the product requirement

33. https://ent.ltn.com.tw/news/breakingnews/2834129

34. Best practice of shift-left testing
https://commons.wikimedia.org/wiki/File:M%C4%83cin_Mountains_-_On_The_Way_Ba
Specify the quality guiding or standard

35. Best practice of shift-left testing
DevOps tools by phases and categories. Source: Bowman, 20
Embrase the tool and test automation

36. Take Away!
• Bugs are cheap when caught young .
• What’s the shift-left testing?
• Why the shift-left testing?
• The benefit of the shift-left testing.
• The best practice of the shift-left testing.

37. Take Away!
• Start to collaborate with your developer.
• Join the community, Test Corner, Ministry of testing.
• Find a mentor.
• It more blessed the to give than to receive.
• Growth mindset.
• Read, read and read. Try everything!

38. Q&A
Medium
Twitter
LinkedIn

39. THANK YOU!