Introducing the testing diamond

A presentation at NDC London in January 2020 in London, UK by Moreton

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Introducing the testing diamond @allmobro

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Introduction ● Opinions ● Communities #NDCLondon @allmobro

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The plan ● Value ● Language ● Strategy #NDCLondon @allmobro

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5 Value

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Testing as a product ● Confidence ● Documentation ● Feedback #NDCLondon @allmobro

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Main risks to product ● Confidence - Unreliable ● Documentation - Holes ● Feedback - Slow #NDCLondon @allmobro

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Measuring value ● ● ● ● Confidence - Test failure Documentation - Coverage-ish Feedback - Time Delta #NDCLondon @allmobro

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15 Language

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UI end to end ● ● ● ● Definition Value per test Trade offs Where #NDCLondon @allmobro

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Component ● ● ● ● Definition Value per test Trade offs Where #NDCLondon @allmobro

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Unit ● ● ● ● Definition Value per test Trade offs Where #NDCLondon @allmobro

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API Integration ● ● ● ● Definition - Provider driven contract Value per test Trade offs Where #NDCLondon @allmobro

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Smoke ● Definition ● Objectives ● Where #NDCLondon @allmobro

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Acceptance ● Definition ● Achieved across layers ● Swiss cheese #NDCLondon @allmobro

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30 Strategy

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MFE SPA app ● ● ● ● UI Component Unit Smoke #NDCLondon @allmobro

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HTTP API Microservice ● Integration ● Unit ● Smoke #NDCLondon @allmobro

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Coupling #NDCLondon @allmobro

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Diamond #NDCLondon @allmobro

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Grey #NDCLondon @allmobro

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40 Recap

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Things we haven’t covered ● ● ● ● ● ● Accessibility Performance Security Infra Continuous monitoring etc. #NDCLondon @allmobro

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Summary ● ● ● ● Value Common language Strategy Trade offs #NDCLondon @allmobro

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Resources ● ● ● ● ● James Shore Gojko Adzic Jessica White Korny Peers #NDCLondon @allmobro

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PubConf.io

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Thank you! @allmobro (Please vote)