alt Hacker NewsIf I write a bunch of tests for new code, and all of them pass on the first attempt, I'm immediately suspicious of a far more egregious bug hiding somewhere…
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michaelcampbell • last Thursday at 9:59 PM
"never trust a test you've never seen fail." has kept me honest on more than one occasion.
Where feasible, I like to start a suite with a unit test that validates the unit's intended side effects actually occur, as visible in their mocks being exercised.