Agile tour 2011 ralph jocham

Agile and Quality It is not an Oxymoron but a Necessity Ralph Jocham25-‐Nov-‐2011 effective agile. ralph@effectiveagile.com 1

25-‐Nov-‐2011 effective agile. 2

Quality Six Sigma Number of defects per million ISO 9000 opportuni8es Degree to which a set of inherent characteris8cs fulﬁlls Philip B. Crosby requirements Conformance to requirements 25-‐Nov-‐2011 effective agile. 3

35% of Requirements Change25-‐Nov-‐2011 effective agile. 4

Quality a better definition Intrinsic Must-‐be Fitness for Use Quality Noriaki Kano Extrinsic What the customer AHracIve would love, but has Quality not yet thought about 25-‐Nov-‐2011 effective agile. 7

Right Product Original Solu8on Domain Welcoming Change/ Coping with Complexity Spri t n+1 nt n Sprin Addi8onal Value 2 Sprin Sprint t 1 Original Vision 25-‐Nov-‐2011 effective agile. 9

>60% of features are rarely or never used (source: Standish Group) 25-‐Nov-‐2011 effective agile. 10

Scrum Review Retrospec8ve Increment Daily Scrum Sprint Sprint Sprint Backlog Planning Mee8ng Product Backlog ScrumMaster (source: ADM) 25-‐Nov-‐2011 effective agile. 11

Right Quality – No! SoTware Interpret Spec Spec Interpret Spec to Design and to Design and Code System Script Test Cases Code Test and Spec Executable And Images Match? Scripts (source: Mary Poppendieck) 25-‐Nov-‐2011 effective agile. 12

Right Quality – Yes! Implement incrementally Deﬁne Spec to saIsfy the Details next test plus Code SoQware Incrementally and as Tests Executable Spec and Scripts all those from previous Images increments (source: Mary Poppendieck) 25-‐Nov-‐2011 effective agile. 13

Agile Testing Quadrants Automated Business-‐Facing Manual Func8onal Tests Exploratory Tes8ng Story Tests Usability Tes8ng Suppor8ng the Team Examples User Acceptance Tes8ng Cri8que Product Q2 Q3 Q1 Q4 Performance & Load Tes8ng Unit Test Security Tes8ng Component Tests ‚ility‘ Tes8ng Automated Tools Technology-‐Facing (source: Brian Marick) 25-‐Nov-‐2011 effective agile. 14

Agile Testing Quadrants Automated Business-‐Facing Manual What Func8onal Tests Exploratory Tes8ng VStory Tests n alida8o Usability Tes8ng Suppor8ng the Team Examples User Acceptance Tes8ng Cri8que Product Acceptanc e Cri teria Every Q2 Q3 Sprint Q1 Q4 HOTW n Performance & Load Tes8ng NFR . Unit est iﬁca8o Security Tes8ng Component Tests Ver ‚ility‘ Tes8ng Automated Tools Technology-‐Facing (source: Brian Marick) 25-‐Nov-‐2011 effective agile. 15

Agile Testing and Tiers UI Q3 Business Q2 Q4 Domain Q1 Persistence 25-‐Nov-‐2011 effective agile. 16

ATDD to TDD (source: David Starr) (source: David Starr) 25-‐Nov-‐2011 effective agile. 17

Cost of fixing a Bug Construc8on Detailed Design Architecture Requirements Requirements Architecture Requirements Detailed Design Architecture Detailed Design Construc8on Construc8on Maintenance 25-‐Nov-‐2011 effective agile. 18

Review Retrospec8ve Increment Daily Scrum Sprint Sprint Sprint Backlog Planning Mee8ng Product Backlog ScrumMaster (source: David Starr) 25-‐Nov-‐2011 effective agile. 19

Questions?25-‐Nov-‐2011 effective agile. 20

Ralph Jocham www.eﬀecIveagile.com effective agile. ralph@eﬀec8veagile.com @rjocham 25-‐Nov-‐2011 effective agile. 21

Agile tour 2011 ralph jocham

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