Software Quality in             Requirement Analysis &                   Engineering                              Faculty ...
Disclaimer       All information in this presentation is based on     speaker’s personal knowledge + experience + reality ...
Session Rules                Everybody should SPEAK                Ask QUESTION, Don’t Shy                Write QUESTION i...
Who am I?                         Prathan (Noom) Dansakulcharoenkit                         Co-Founder/Practitioner/Coach/...
Who are you?   Please introduce yourself following this questions                 Your name and nickname?                 ...
Question 1        What is your PAIN POINT        of current development?                                  SPRINT3R by สยาม...
Software QUALITY                           SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
Quality Triangle                               Software                                          Gap     Requirements     ...
Quality Triangle                                        Software                                                   Specifi...
Question 2                              Software                                               Specification            Re...
Quality Triangle                          Software     Requirements                                               Specific...
Quality Triangle                                                Software     Requirements                                 ...
Quality Triangle                                        Software                         Requirements              Specifi...
Quality Triangle                                                             Software                                     ...
Where Do Bug Come?                  Requirements definition                  System design                  Implementation...
Question 3         What is mainly CAUSE of              bugs and why?                                  SPRINT3R by สยามชํา...
Example                                   SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
Introduction of Bugs                         Majority of bugs are introduced during Requirements and Design phase. Source:...
Detection of Bugs        Majority of bugs are actually detected during user acceptance testing and in production Source: N...
Assessing Cost of Bugs                                        The cost of correcting defects increase dramatically        ...
Question 6         Why Requirements are so               important?                                  SPRINT3R by สยามชํานา...
Take a break 15 minutesFriday, February 1, 13
Verification                             and                          Validation                                    SPRINT...
Verification          Are we building the software RIGHT?                    The software should conform to its specificat...
Validation          Are we building the RIGHT software?              The software should do what the user really requires ...
Question 4                                       Software                         Validation                 Verification ...
Question 5                                                     Validation           User Software                         ...
Verification                         Peer Review and Inspections                                             SPRINT3R by ส...
Validation                Software TESTING                                  SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Frida...
Some Facts of Testing              ALWAYS be a chance that software will have bugs              CANNOT prove software work...
Some Goals of Testing              Determine a product MEET business expectation              MINIMIZE the risk of error o...
Some Testing Types            Unit testing                                   Integration testing                          ...
Testing Types                         Integrate   A                                             C                         ...
Test Case                         inputs to test system and verify                              with expected outputs     ...
Test Iterations                            Test to Pass                            Test to Fail                           ...
Team Organization                         Traditional Organization                            Biz                         ...
Question 7              Who feel responsible for              QUALITY in traditional              development (Waterfall)?...
Team Organization                         Alternative Organization                         Biz              Dev           ...
Question 8               Who feel responsible for               QUALITY in alternative                development (Agile)?...
Question 9                         How to validate                          requirements?                                 ...
Question 10                           User                       Validation                    Acceptance                 ...
Question 11     มี Case มากน้อยแค่ไหน ที่ตอนทํา V&V ในช่วงเอกสาร URD        and SRS แล้วเห็นพ้องต้องกันทุกฝ่ายแล้วว่าใช่อย...
Conclusion                                 SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
Quality in every phase,                       Not afterthought                                     SPRINT3R by สยามชํานาญก...
Quality Improvement by                  found defect EARLY                                 SPRINT3R by สยามชํานาญกิจ พุทธศ...
Inspect & Adapt                                    SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
Questions & Answers                         SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
Keep in touch                email: prathan@sprint3r.com                twitter: @zyracuze                facebook: https:...
Thanks You                           กราบ (-/-)                                         SPRINT3R by สยามชํานาญกิจ พุทธศักร...
Upcoming SlideShare
Loading in …5
×

Sprint3 r swtesting-qualit-yinre-01302013-pdf

528 views

Published on

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
528
On SlideShare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
17
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Sprint3 r swtesting-qualit-yinre-01302013-pdf

  1. 1. Software Quality in Requirement Analysis & Engineering Faculty of Information Technology King Mongkut’s University of Technology North Bangkok Wednesday, January 30, 2013 SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  2. 2. Disclaimer All information in this presentation is based on speaker’s personal knowledge + experience + reality (drama) that he lives in ... ! SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  3. 3. Session Rules Everybody should SPEAK Ask QUESTION, Don’t Shy Write QUESTION in Post-it Set your mobile to SILENT SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  4. 4. Who am I? Prathan (Noom) Dansakulcharoenkit Co-Founder/Practitioner/Coach/Transformer of Agile/ITIL/Software Testing @ SPRINT3R IT Development Consultant @ TARAD Dot Com Founder and Web Master @ WeLoveBug.com Scrum Master + ITIL Coach @ Opendream Outsource Project Manager @ TARAD Dot Com IT Development Manager @ TARAD Dot Com Assistance Services & Operation Manager @ Sanook.com QA Specialist @ Sanook.com Tester @ Sanook.com System Administrator @ POPidols.net Freelance Programmer SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  5. 5. Who are you? Please introduce yourself following this questions Your name and nickname? Company you are working for? What your company does? What you do at company? How your company build products? SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  6. 6. Question 1 What is your PAIN POINT of current development? SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  7. 7. Software QUALITY SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  8. 8. Quality Triangle Software Gap Requirements Specification SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  9. 9. Quality Triangle Software Specification Requirements It’s an IDEAL!!! SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  10. 10. Question 2 Software Specification Requirements How many figure of triangle can TRANSFORM? SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  11. 11. Quality Triangle Software Requirements Specification In the real WORLD SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  12. 12. Quality Triangle Software Requirements Specification In the real WORLD SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  13. 13. Quality Triangle Software Requirements Specification In the real WORLD SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  14. 14. Quality Triangle Software Specification Requirements In the real WORLD SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  15. 15. Where Do Bug Come? Requirements definition System design Implementation Support systems Lack of software testing skills Evolution SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  16. 16. Question 3 What is mainly CAUSE of bugs and why? SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  17. 17. Example SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  18. 18. Introduction of Bugs Majority of bugs are introduced during Requirements and Design phase. Source: NIST 2002 RTI Project 7007.011 SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  19. 19. Detection of Bugs Majority of bugs are actually detected during user acceptance testing and in production Source: NIST 2002 RTI Project 7007.011 SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  20. 20. Assessing Cost of Bugs The cost of correcting defects increase dramatically This industry average in used as a baseline for arriving at cost savings Source: B. Boehm and V. Basili, ‘Software Defect Reduction Top 10 List”, IEEE Computer SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  21. 21. Question 6 Why Requirements are so important? SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  22. 22. Take a break 15 minutesFriday, February 1, 13
  23. 23. Verification and Validation SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  24. 24. Verification Are we building the software RIGHT? The software should conform to its specification Peer Review and Inspection SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  25. 25. Validation Are we building the RIGHT software? The software should do what the user really requires Software Testing SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  26. 26. Question 4 Software Validation Verification Requirements Specification Requirement Definition SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  27. 27. Question 5 Validation User Software Acceptance Requirement Testing Requirement System Specification Testing High Level Integration Design Testing Verification Detail Unit Design Testing Coding V&V in Software Develop SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  28. 28. Verification Peer Review and Inspections SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  29. 29. Validation Software TESTING SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  30. 30. Some Facts of Testing ALWAYS be a chance that software will have bugs CANNOT prove software works by testing it DOES NOT prove that software is bug-free Testing after software has been created DOES NOT improve its quality Cost of removing bugs rises DRAMATICALLY in the later phases of the software development process QUALITY depends on 3 factors; People, Process and Tool SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  31. 31. Some Goals of Testing Determine a product MEET business expectation MINIMIZE the risk of error occurs IS NOT the process to verify software work correct Testing must be to DEMONSTRATE that software does have bug Tester must find bug as EARLY as possible and make sure that they are fixed SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  32. 32. Some Testing Types Unit testing Integration testing System testing User Acceptance testing Regression testing Performance testing Security testing Usability testing Compatibility testing SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  33. 33. Testing Types Integrate A C B D Module E F G System SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  34. 34. Test Case inputs to test system and verify with expected outputs Test Case = Test Rule + Test Data SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  35. 35. Test Iterations Test to Pass Test to Fail SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  36. 36. Team Organization Traditional Organization Biz Tester Dev SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  37. 37. Question 7 Who feel responsible for QUALITY in traditional development (Waterfall)? SOMEONE SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  38. 38. Team Organization Alternative Organization Biz Dev Tester SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  39. 39. Question 8 Who feel responsible for QUALITY in alternative development (Agile)? WHOLE TEAM SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  40. 40. Question 9 How to validate requirements? SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  41. 41. Question 10 User Validation Acceptance Software Testing Requiremen System t Testing High Level Integration Design Testing Verification Detail Unit Design Testing Coding ถึงแม้ประเทศไทยจะยังไม่นิยมทํา Quality Assurance (QA) เท่าไรนัก ถ้าจะเสริม QA เข้าไปใน V&V มันจะอยู่ตรงไหน? SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  42. 42. Question 11 มี Case มากน้อยแค่ไหน ที่ตอนทํา V&V ในช่วงเอกสาร URD and SRS แล้วเห็นพ้องต้องกันทุกฝ่ายแล้วว่าใช่อย่างที่ต้องการ พอได้ Product ออกมาแล้ว V&V ของฝั่ง Development Team แล้วผ่านทุกประการ แต่ฝั่ง User กลับไม่เห็นด้วย โดย ต้องมีการแก้ไขเยอะ กรณีแบบนี้มีหรือไม่ มากน้อยแค่ไหน แล้วจะ สามารถแก้ไขสถานการณ์ หรือป้องกันสถานการณ์เหล่านี้ได้อย่างไร SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  43. 43. Conclusion SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  44. 44. Quality in every phase, Not afterthought SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  45. 45. Quality Improvement by found defect EARLY SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  46. 46. Inspect & Adapt SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  47. 47. Questions & Answers SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  48. 48. Keep in touch email: prathan@sprint3r.com twitter: @zyracuze facebook: https://www.facebook/ WeLoveBug training: http://bit.ly/SPRINT3REVENT blog: www.welovebug.com SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13
  49. 49. Thanks You กราบ (-/-) SPRINT3R by สยามชํานาญกิจ พุทธศักราช ๒๕๕๖Friday, February 1, 13

×