UNIT-TESTING-BASICS5 MIN READ
Review A Test That Knows Too Much
Coach a reviewer comment that moves an implementation-coupled unit test toward public behavior.
Casey C PR author 01 Intent 02 Boundary 03 Rewrite PR review 30 sec Scenario Casey's test verifies that three helper functions are called while rendering an invoice address. The test may block refactoring instead of protecting invoice behavior. 3 spies implementation calls asserted 1 output address customers see
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