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Agile Testing Alliance Chapter presentation - Agile estimation

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Agile Estimation, relative estimation, poker planning estimation

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Agile Testing Alliance Chapter presentation - Agile estimation

  1. 1. Confidential | Copyright © Agile Testing Alliance Agile Estimation – presented in ATA Chapter meet 28 September 2013 Surest way to learn Practical Agile Testing
  2. 2. Confidential | Copyright © Agile Testing Alliance 10 Sec Intro Ashish Mishra www.agiletestingalliance.org @ash1shm
  3. 3. Confidential | Copyright © Agile Testing Alliance Ashish Mishra QAAgility Technologies Pvt. Ltd. – Founder Director Ashish has over 18 years of experience in software testing, development, corporate training and public domain training. Over the period he has worked on number of projects as Account Manager, Test Manager, Programmer and Tester. His core expertise lies in Manual Testing, Test Automation and Test Management. He has been an early adopter of Selenium and has been able not only provide successful implementations using Selenium but also help in its propagation. He is the executive member of the Indian Testing Board (ITB) and founder memebr of the Agile Testing Alliance (ATA). He worked with the QWG (Quality Working Group) for over a period of 13 months to achieve CMMi level-2 certification for JPMorgan, GSC (Global Service Centre), Mumbai. He belongs to the group of respectable innovators in the area of processes consulting & automation testing. He has ability to nurture and grow the breakthrough ideas and has performed consulting and training programs for companies like Deloitte, Barclays, JPMorgan, MindTree, iGatePatni, Datamatics, Capita, Ness, NSEiT and L&T Infotech besides several workshops in the public domain. Published author of the book "A Practitioner's Guide To Test Automation Using Selenium" by Tata McGraw-Hill.  M.S. Computer Science, Stevens Institute of Technology, USA; PG Certificate in Business Management from City University of NY (CUNY); B.E. CSE, Marathwada University.  Certified Trainer for Agile Testing, Expertise in Account management, application delivery, operations management and business analysis  18+ years of IT Industry experience with:  Larsen & Toubro Infotech Ltd, India  JPMorgan, India  Chase Manhattan Bank, USA  IBM, USA  Prudential Insurance, USA
  4. 4. Confidential | Copyright © Agile Testing Alliance
  5. 5. Confidential | Copyright © Agile Testing Alliance • You estimate based upon – What you know (Knowledge) – What you know that you don’t know (Risk) • What about, the part where – You DON’T know that you DON’T know...yet Knowledge and Wisdom are not the same thing Are we seeking certainty?
  6. 6. Confidential | Copyright © Agile Testing Alliance http://in-the-flow.com/wp-content/uploads/2012/01/insanity.gif
  7. 7. Confidential | Copyright © Agile Testing Alliance Scrum US 1 and 2 US 3US 1 ,2 ,3
  8. 8. Confidential | Copyright © Agile Testing Alliance It can be wrong. That’s OK!!  The three main aspects of risk to a story are separated out:  Volatility  Completeness  Complexity  This enables estimation with fewer un-stated assumptions  Estimate in unit you feel comfortable with, T-Shirt Sizes or Story Points (even Doggy-Points)  Be consistent  Explain so the whole team understands what the unit is Estimation in Agile
  9. 9. Confidential | Copyright © Agile Testing Alliance Relative Sizing Estimation in Agile • How do we estimate how long it will take us to walk up all of these buildings using the stairs? Assign story points
  10. 10. Confidential | Copyright © Agile Testing Alliance Affinity Estimating
  11. 11. Confidential | Copyright © Agile Testing Alliance Planning poker is an estimation technique used in determining story points for features. • Scrummaster facilitates the sizing dialogue • Product Owner answers questions • Delivery Team sizes in Story Points • step 1: pick a first story, assign size 5 • step 2: pick the next one, discuss briefly • step 3: team members show size for story • step 4: explore largest/smallest size • step 5: goto 3 until team agrees on size • step 6: goto 2 until end of backlog Planning Poker
  12. 12. Confidential | Copyright © Agile Testing Alliance Estimation Exercise • Activity: Let’s have a go at some estimation using story points? • Use of Fibonacci planning poker cards

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