RECIPE FOR BAKING QUALITY IN Process Improvements that Increase Quality.

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

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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

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• Ensure entire team gains value from all automated tests

Done is DONE: In-Sprint Final Verification

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