Software testing buzzwords
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buzzwords about software testing in 2010
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Software testing buzzwords
- 2. Buzzwords • Agile • Testability • Tiny Innovation 2
- 3. Agile • What is the most important thing in internet industry? – Speed • Eliciting requirements • Implementation • QA • Deploy 3
- 4. Agile • The problem is that the longer it’s been since your last release the more pressure and anticipation there is – Slow iteration • Windows XP (2001) -> Windows Vista(2007) • IE 6 (2001) -> IE 7 (2006) -> IE 8 (2009) – Rapid iteration • iPhone (2007)-> 3G (2008) -> 3GS (2009) -> 4 (2010) • Kindle 1 (2007-11) -> 2 (2009-01) -> 3 (2010-07) • Chrome 3 (2009-10-12)-> 4 (2010-01-25) -> 5 (2010-05-25) -> 6 (2010-09-02) -> 7 (2010-10-21) • MRM 1.0 (2008-01) -> V2.0 (2008-11) -> V3.0 (2010-04) -> V3.5 (2010-11) 4
- 5. Agile Story • On WordPress.com we deploy code to production twenty or thirty times a day and anyone in the company can do it. • The most important thing isn’t necessarily how perfect code is when you send it out, but how quickly you can revert if you need to so the cost of a mistake is really low, under a minute of brokenness. - Matt Mullenweg 5
- 6. How to speed up? • No thrown over the wall software – Transparency • No heavyweight document – This is for contractor who don’t know about for last few month • No strict entrance and exit criteria with signoffs – We work close with DEV and PM • No sophisticated defect tracking process – Sophisticated means redundancy – Individuals and interactions over processes and tools • Automation – No sliver bullet 6
- 8. Tao of software testing • 道可道 非常道 • 道、法、术、器 – 器 - Tool – 术 – Test Case – 法 - Knowledge – 道 - Tao 8
- 9. Testability • What is testability? – If testing is questioning a product in order to evaluate it, then testability is anything that makes it easier to question or evaluate that product. • The testability of software is determined by factors such as: – Controllability – Observability – Isolateability – Separation of concerns – Understandability – Automatability 9
- 10. Why testability matters • More testability, more test • More test, less bug • Less bug, more quality • More quality, more $ 10
- 11. Testability is not free • “You can use it, so you can test it” • What have we do? – SNMP – Lua 11
- 12. Tiny Innovation • How to rerun a failed regression case? – Version 1 • Open error.txt • Type failed case id • Save the error.txt file • Python autoRegression_pusher.py – Version 2 • $ echo ‘xxx’ > error.txt • Python autoRegression_pusher.py – Version 3 • $ rhm –c ‘xxx’ 12
- 13. Tiny Innovation • Process – QA case review • Technology – Using ruby instead of python? – SQLite helps? – Virtualization helps? • Working procedure – How about auto rerun? – How about prepare everything and let me send the request? – How about using a voice control rerun system 13
- 14. The Goal • High-efficiency • Self-motive • Self-learning 14 10 years experience in software testing! NO! Just 1 year experience in software testing repeat 10 times
- 15. 15 Thank You!
Notas del editor
- Something like the air, oxygen. It’s not necessarily that every single check in code will work. In traditional software development, may be take a week to ‘integrate’ all the components.
- if you’re not embarrassed when you ship your first version you waited too long
- controllability: The degree to which it is possible to control the state of the component under test (CUT) as required for testing. observability: The degree to which it is possible to observe (intermediate and final) test results. isolateability: The degree to which the component under test (CUT) can be tested in isolation. separation of concerns: The degree to which the component under test has a single, well defined responsibility. understandability: The degree to which the component under test is documented or self-explaining. automatability: The degree to which it is possible to automate testing of the component under test. heterogeneity: The degree to which the use of diverse technologies requires to use diverse test methods and tools in parallel.