recipe for baking quality in process improvements that increase quality
TRANSCRIPT
RECIPE FOR BAKING QUALITY IN
Process Improvements that Increase Quality
Illusion of Waterfall
Requirements
Design
Development
QA
Wate
rfall
Release
80% Done??
Requirements
Design
Development
Requirements
Design
Development
Requirements
Design
Development
Requirements
Design
Development
Ag
ile
Sprint 1 Sprint 2 Sprint 3 Sprint 4
QA QA QA QA
Potentially ReleasableProduct Increment
Working software is the primary measure of progress
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Tear Down This Wall
Testers are integrated into Development
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What is the cost of finding a defect late?
Images Source: http://wendistry.com/wp-content/uploads/2010/03/haystack.jpg
20 Developers making 10 code changes a day
1 Day = 200 Changes
2 Weeks = 2,000
Changes
2 Months = 8,000
Changes
Testing Approaches
Low Cost Repeatable Execute Fast Execute Frequently
Manual ad-hoc
Manual scripted
Automated UI Level
Automated Unit Level
Testing Approaches
Low Cost Repeatable Execute Fast Execute Frequently
Manual ad-hoc
Manual scripted
Automated UI Level
Automated Unit Level
What is Testing in Agile?
Testing is embedded into the Definition of Done
Testing drives development
Test whenever possible throughout development
Agile testing is a team effort
http://www.agiletesting.info/what-is-agile-testing-112
Test automation is a core agile
practice.- Lisa Crispin (Agile Testing)
Tests Are a Safety Net
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The Test Automation Pyramid
Prevention and Detection
Image source: http://www.cncofficesystems.com/blog/hp-software-bug-is-bait-for-hackers/
Test-Driven Development
Rinse, repeat
Add a test.
Run it. See it fail.
Write code.
Run test. See it pass.
Refactor.
Image Source: innovativelearningdesignes.ca
Push Testing Down• Strategize as a team on
the testing of each story/feature
Image: http://www.adp-ascensores.com/ascensores-alicante-promocion/
Push Testing Down• Strategize as a team on
the testing of each story/feature
Image: http://www.adp-ascensores.com/ascensores-alicante-promocion/
• Understand what can/cannot be tested at each level
Push Testing Down• Strategize as a team on
the testing of each story/feature
• Understand what can/cannot be tested at each level
Image: http://www.adp-ascensores.com/ascensores-alicante-promocion/
• Ensure entire team gains value from all automated tests
Done is DONE: In-Sprint Final Verification
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