You write five tests for the contacts page. Every one begins with the same two lines. Copying them is tedious, and when the flow changes you edit five places.
A hook is code that runs around your tests automatically.
lecture 15 of 200 completed
Hooks: setup that runs for you
beforeEach, afterEach, beforeAll and afterAll. Choosing between them is a decision about test independence.
What you'll learn
- What beforeEach, afterEach, beforeAll and afterAll do
- Why beforeEach protects test independence
- Why every test gets its own fresh page
members only
Keep reading with the full course
The Foundations track and the first 5 lectures of each framework are free. This lecture is part of the paid course, which unlocks every lecture, all three frameworks, and downloads.
See the options →