Quality Assurance The other Side of the Fence!Clayton Nyakana!Tom Clement Oketch!Robert Jakech

June 2014

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This is a talk about Software Testing!

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Testing should be integrated with one of the quality assurance activities !This verification is done to ensure that we are building the system right

Why?

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Traditional Versus Agile

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Unit Testing

Integration Testing

Functional Testing

System Testing

Load Testing

Performance Testing

Acceptance Testing

Types/Categorisations

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Testing Pyramid

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TDD

June 2014

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!Debugger -Needs human intervention, slow, boring !Print Statements -Needs human intervention, slow, polluted code, "Scroll Blindness” !Unit Testing Tools -Automatic,quick,no code pollution

How To Test it…

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“Unit Test is a procedure used to validate that individual units of functional code are working properly.

!Is usually done by developers

Improves quality

Facilitates changes (refactoring)

Enables automation

Simplifies integration !!

Unit Testing

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“TDD is an evolutionary approach to development which instructs you to have test-first development intent. “ !

Small successful, tested steps. Do the simplest thing that could possibly work.

!!!!!

What is TDD

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The TDD Cycle

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BDD

June 2014

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!Collaborative Approach to defining software requirements which facilitates Test Automation

Focus on value as opposed to processes !Predictable quality !Protection from defects

Living documentation

What is BDD?

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Context

GIVEN

Trigger

WHEN

Expectation

THEN

How Do We Use BDD?

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How Do We Use BDD?

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Capturing the expected behavior?

Readable and clear enough for a human?

Testable?

Driving the developers down a particular implementation route?

Using “strong verbs” to describe each step?

Allowing automation on “WHEN” statement?

Telling a story?

Are my scenarios:

Assessing Scenarios

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Putting it all together…

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The Rspec book – David Chelimsky !Bridging the Communication Gap – Gojko Adzic !Specification by Example - Gojko Adzic !The Cucumber Book – Matt Whynne/Aslak Hellsay

Further Reading