Vitest quiz

Test your Vitest knowledge with a free interactive quiz — 37 questions with answers and explanations. No signup needed to play.

What is a `.test.ts` (or `.spec.ts`) file naming convention used for with Vitest, by default?

1. What is a `.test.ts` (or `.spec.ts`) file naming convention used for with Vitest, by default?
2. How would you test an asynchronous function (returning a Promise) with Vitest?
3. What is `expect()` used for in a Vitest assertion?
4. What does `beforeEach()` do in a Vitest test file?
5. What does the `environment` option in Vitest's config (e.g. `test: { environment: 'jsdom' }`) control?
6. What is `test.each()` (or `it.each()`) used for in Vitest?
7. What is the basic syntax for writing a test with Vitest?
8. How do you run Vitest tests from the command line?
9. What is `describe()` used for in a Vitest test file?
10. How does Vitest's watch mode behave during active development?
11. What is Vitest?
12. How does Vitest's configuration typically integrate with an existing `vite.config.ts` file?

More quizzes