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TechTalks #1 Unit Testing and Test-Driven Development Duong Trong Tan [email_address] Hanoi, 9- 2011
Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Unit Testing and Test-Driven Development
Unit Testing and Test-Driven Development CRISIS Numbers: 4.4 million  cars recalled Billions of $ loss. Damage the brand
Desire vs. Reality Unit Testing and Test-Driven Development gap Requirement esign Desired Implementation Reality testing
Why testing? ,[object Object],[object Object],[object Object],[object Object],Unit Testing and Test-Driven Development
Typical Production model Unit Testing and Test-Driven Development
Bug cost Unit Testing and Test-Driven Development
Balancing Unit Testing and Test-Driven Development GOOD FAST CHEAP
Testing level ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Unit Testing and Test-Driven Development
JUnit ,[object Object],[object Object],[object Object],[object Object],Unit Testing and Test-Driven Development http://www.junit.org/
Test-Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Unit Testing and Test-Driven Development
Suggested TDD Unit Testing and Test-Driven Development
Thinking changed ,[object Object],[object Object],[object Object],[object Object],[object Object],Unit Testing and Test-Driven Development
How to do TDD ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Unit Testing and Test-Driven Development
TDD live demo ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Unit Testing and Test-Driven Development
Red-Green-Blue model Unit Testing and Test-Driven Development
Refactor to Clean Code ,[object Object],[object Object],[object Object],Unit Testing and Test-Driven Development
Acceptance Test-Driven Development Unit Testing and Test-Driven Development ATDD: team collaboration, a kind of cross-functionality Requirement Automated  Acceptance  Tests TDD Definition  Of  Done
Acceptance TDD (ATDD) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Unit Testing and Test-Driven Development
Supporting system: CI Unit Testing and Test-Driven Development
Q&A Unit Testing and Test-Driven Development
Further reading Unit Testing and Test-Driven Development
Tools ,[object Object],[object Object],[object Object],[object Object],[object Object],Unit Testing and Test-Driven Development
Unit Testing and Test-Driven Development Thank you! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Tech talks #1- Unit testing and TDD

Editor's Notes

  1. I don’t want to frustrate you by bunch of testing terms. Just focus on thinking, process and how-tos.
  2. Global: 4.4 million cars recalled (http://wsws.org/articles/2010/feb2010/toyo-f12.shtml ) In the first quarter of 2009, the company posted a $7.7 billion loss. The estimated loss for Toyota in the current financial year, calculated before the expansion of the recall process in January, is $5.5 billion. http://parttimembadegree.com/business-school-cases/toyota-recalls-pr-management-crisis/ http://en.wikipedia.org/wiki/2009%E2%80%932011_Toyota_vehicle_recalls VN: “mua toy cho nó lành” – lost
  3. For ROI optimization, see the analysis of Rex Black on Managing the Testing Process: Practical Tools and Techniques for Managing Hardware and Software Testing
  4. In conclusion: Test a.s.a.p Testing is responsibilities of all including developers.
  5. Introduced in XP
  6. Design (simple) first => draft solution => Design criteria: testable
  7. Refactor, clean code frequently
  8. What is acceptance test? fist