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Vitest · Function

test

test defines a test case with a name and a function containing expectations. Vitest can wait for asynchronous tests and supports options such as skipping, retries, concurrency, and custom timeouts.

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Syntax

function test(name: string | Function, body?: () => unknown, timeout?: number): void
function test(name: string | Function, options: TestOptions, body?: () => unknown): void

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  • it
  • test.skip
  • test.only
  • test.concurrent
  • test.todo
  • test.fails
  • test.each
  • test.for

Source: Test | Vitest. Checked 2026-11-03.