QA/TestingGeneral

Test Coverage

A metric showing what percentage of a codebase is exercised by automated tests.

Think of it like

Like a checklist showing what percentage of the menu got taste-tested — a high number sounds reassuring, but doesn't guarantee the taster caught every bad dish.

Junior or senior?

Junior sounds like

Treats a high coverage number as reassuring on its own.

Senior sounds like

Can describe a time high coverage gave the team false confidence, and what slipped through anyway.

Ask them

“Has high test coverage ever given your team false confidence? What slipped through anyway?”