Testing beyond QualityAssurance

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Testing beyond QualityAssurance @dvilchez www.xuaps.com

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QA They do tests

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DEVELOP They do tests

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What is the difference?

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Why do they test?

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To fi nd BUGS

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Why do we test?

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Executable speci fi cations

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Detect collateral effects

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Analysis of code

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To know when ours external dependencies change

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Design

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What test? Piece off code that require some thinking Bugs Boundaries Integration User Journey Any logic …

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A more dif fi cult question What no test? External code Boilerplate code …

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How many?

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What’s about quality?

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Internal quality * concision * cohesion * low coupling * generality * clarity

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External quality * conformity to their expectations * reliability * accuracy * ease of use and comfort * robustness * openness * ...

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Is tested code high quality?

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Tests are only a tool They must be guided by: Principles Patterns common sense

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The only one metric you care about

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Is it Worthy?

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Test is part of the development process To me, it is not optional anymore