Testing In Agile

Testing in Agile Ari Tanninen Agile Dinner Helsinki December 1st 2009 Wednesday, December 2, 2009

Agenda Introductions Motivation Wednesday, December 2, 2009

Assumptions • Understanding of software development • Familiarity of agile • Basic testing know-how Wednesday, December 2, 2009

My Biases • Java developer • Object-orientation • Consulting Wednesday, December 2, 2009

Everything About Testing Wednesday, December 2, 2009

Functional testing... • Black box • White box • Grey box • Regression • Smoke • User Wednesday, December 2, 2009

Levels of testing... • Unit • Module • Component • Integration • System • System integration Wednesday, December 2, 2009

More testing! • Performance, scalability, stability, stress • Destructive • Usability • Security • Exploratory • Monkey Wednesday, December 2, 2009

Wednesday, December 2, 2009

Back to Basics Wednesday, December 2, 2009

Purposes of Testing • Product validation (the right product?) • Support development (built right?) • User / Technology • System / Code Wednesday, December 2, 2009

Wednesday, December 2, 2009 Source: Brian Marick, Mary Poppendieck, additions by me http://www.exampler.com/old-blog/2003/08/21/#agile-testing-project-1 http://stopandﬁx.blogspot.com/2009/04/all-about-testing.html

Agile Needs from Testing Wednesday, December 2, 2009

Waterfall Planning Analysis Design Coding Testing Deploying Done! Risk analysis Test planning Test case design Wednesday, December 2, 2009

Risk analysis Agile Test planning Risk analysis Test case design Test planning Test case design Planning Analysis Design Coding Testing Deploying Done! Planning Analysis Design Coding Testing Deploying Done! Planning Analysis Design Coding Testing Deploying Done! Planning Analysis Design Coding Testing Deploying Done! Risk analysis Test planning Test case design Deﬁnition of done: tested Wednesday, December 2, 2009

Potentially shippable functionality at the end of every iteration? Wednesday, December 2, 2009

Wednesday, December 2, 2009 Source: Brian Marick, Mary Poppendieck, additions by me http://www.exampler.com/old-blog/2003/08/21/#agile-testing-project-1 http://stopandﬁx.blogspot.com/2009/04/all-about-testing.html

The Problem Features to be tested 1 2 3 4 Iteration Wednesday, December 2, 2009

Test Automation Wednesday, December 2, 2009

Automated testing? Automated test case execution! Who designs and automates the test cases? Wednesday, December 2, 2009

Agile Development Up-front Design must design evolve impossible Iterative and Regression Test incremental Refactoring testing automation development Features Test-ﬁrst added, Changing development changed, codebase removed Tests, too! Wednesday, December 2, 2009

The Key to Test Automation Testing tools? Software development http://stopandﬁx.blogspot.com/2009/03/key-to-test-automation.html Wednesday, December 2, 2009

Tests are software, too • Evolution • Architecture & design • Iterative & incremental development • Readability (➙DSL) Wednesday, December 2, 2009

Why test-ﬁrst? • Efﬁcient, least boring way to regression • Minimalism (“do only what is needed”) • “Done” • Design • Collaboration Wednesday, December 2, 2009

Unit Test Driven Development Acceptance Test Driven Development Wednesday, December 2, 2009

Challenges to Testing • Changing spec, code, and tests • “Potentially shippable” after every iteration • Usability & property testing • Tester’s role Wednesday, December 2, 2009

Tester’s Role Redeﬁned • Acceptance tests, user view of system • Business value focus, PO liaison • Exploratory testing & the difﬁcult stuff • Thinking, contributing team member • Learn programming, train developers Wednesday, December 2, 2009

Keys to Agile Testing • Developer testing • Evolving testing tools ➙ programming • Lazy & adaptive mindset • Collaboration Wednesday, December 2, 2009

Beer. Wednesday, December 2, 2009

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Testing In Agile

by aritanninen on Dec 02, 2009

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