TDD for Testers - Speaker Deck

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TDD FOR TESTERS A PREVIEW @GARYFLEMING

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WHY? @garyfleming

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1: CONFUSED SPEAKER @garyfleming

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2: FEAR, ANGER, CONFUSION, ANXIETY !"#$ @garyfleming

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3: TDD IS MY SHAME @garyfleming

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WUT? @garyfleming

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! WHY SHOULD I KEEP LISTENING? > TDD: the What. > Why it matters to Testers > How to engage with Devs @garyfleming

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YOU ARE GOOD ENOUGH @garyfleming

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PART 1. FEAR @garyfleming

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> Testing practice... Not really > Design Strategy... Maybe > Development practice... Probably @garyfleming

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@garyfleming

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NO ONE TRUE TDD @garyfleming

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ANCHOR TERMS @garyfleming

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THE BASICS: RED - GREEN - REFACTOR @garyfleming

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THE BASICS: RED > Assertion Failure > Unexpected Exceptions > Missing code @garyfleming

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THE BASICS: GREEN @garyfleming

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THE BASICS: REFACTOR Change code without changing functionality. @garyfleming

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METZ SAYS > Thorough > Stable > Fast > Few @garyfleming

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ESSENTIAL: MUST. SEE. TEST. FAIL @garyfleming

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USEFUL: THE LOOP SHOULD BE MUCH SMALLER. @garyfleming

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PROBLEM: PEOPLE FORGET TO REFACTOR @garyfleming

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PROBLEM: RED - GREEN - REFACTOR ISN'T ENOUGH @garyfleming

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TWIST: SELECTION AND NAMING @garyfleming

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PART 2: CONFUSION @garyfleming

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I AM WHAT I AM NOT. @garyfleming

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UNIT TESTS @garyfleming

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UNIT TESTS > No Database > No network > No Filesystem > Must be Parallelisable > Can't have any weird environment set-up @garyfleming

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TEST FIRST / TEST-DRIVEN DEVELOPMENT @garyfleming

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"Why would I re-write the tests I've already written in a TDD- fashion" @garyfleming

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PART 3: ANGER @garyfleming

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THIS HAS NOTHING TO DO WITH US @garyfleming

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@garyfleming

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There is nothing so useless as doing efficiently that which should not be done at all. -- Drucker @garyfleming

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THE RIGHT THING BUILT BADLY IS THE WRONG THING @garyfleming

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TESTERS ARE ADVOCATES OF QUALITY @garyfleming

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@garyfleming

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TDD IS A QUALITY-FIRST APPROACH TO SOFTWARE @garyfleming

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REDUCE BUGS BETWEEN 40-80% !!!!!!! @garyfleming

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But I Automate Tests At the UI @garyfleming

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@garyfleming

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PART 4: ANXIETY @garyfleming

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@garyfleming

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PAIRING / MOBBING @garyfleming

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SHIFT LEFT ⬅ @garyfleming

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NOT ONLY SHIFT LEFT ⬅➡↗↘⬇⬆↙↖↕↔↪,-⤵/0⤴↩3 @garyfleming

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@garyfleming

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JOY ! @garyfleming

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THANK YOU https://bit.ly/tdd-testers https://github.com/garyfleming/tdd-for-testers @garyfleming