Jan 1, 2024
Jest, React Testing Library, and Playwright Test Syntax You Actually Use
nextjstestingjestreact-testing-libraryplaywrightsyntaxcheatsheet
A practical syntax tour of Jest, React Testing Library, and Playwright: describe/test/expect, RTL queries and userEvent, and Playwright's locator - based API - all the pieces you keep typing in a real Next.js project.
1Explains core Jest syntax: describe, test/it, expect, and common matchers
2Shows how to use React Testing Library's render, screen queries, and userEvent
3Introduces Playwright's test, page, locators, and auto - waiting expect matchers
4Clarifies which syntax belongs to Jest vs RTL vs Playwright
5Includes a compact cheat sheet you can reuse in new test files