Krzysztof Zabłocki • 3/21/2022

Exhaustive testing in TCA

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This article critiques the exhaustive testing approach mandated by The Composable Architecture (TCA). It explains how exhaustive tests, which require verifying all actions and state changes from a single trigger, create fragile tests that break with implementation changes. The author argues this undermines key TDD benefits like safe refactoring and focused tests, using examples from large apps to illustrate the resulting maintenance burden.

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#testing #tdd #Swift
Exhaustive testing in TCA

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