Frontend System Design
/Beginner
Unit Testing
Definition
Testing individual, isolated units of code (like a single utility function or a pure React component) to verify they work as expected. Typically done using Jest or Vitest.
Explain Like I'm New
Testing the steering wheel to make sure it turns left and right, before putting it in the car.
Interview Questions
basic
- What is the core concept of Unit Testing?
intermediate
- How does Unit Testing impact the overall user experience?
advanced
- How do you scale Unit Testing across a large enterprise application?
trick
- Can Unit Testing be fully automated?