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Jest · Function

beforeAll

beforeAll runs setup once before the tests in a file. afterAll runs cleanup once after those tests finish. Jest waits for a returned promise before continuing.

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Syntax

beforeAll(fn, timeout)
afterAll(fn, timeout)

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  • afterEach
  • beforeEach
  • describe
  • test

Source: Globals · Jest. Checked 2026-11-03.