Testing & QualityBeginner
Unit Test
PronunciationYOO-nit TEST
Definition
A small automatic test that checks one piece of code, like a single function, in isolation.
Where you hear it
Code reviews, CI pipelines, and job interviews.
Examples
Please add a unit test for the discount function.
All 120 unit tests passed in 3 seconds.
Common mistake
Writing tests that depend on the network or database. A unit test should be fast and isolated.