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Vitest · Module

resolves

vi.mock replaces imports from a module with a mock. The call is hoisted, so it runs before imports.

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Syntax

function mock(path: string, factory?: MockOptions | MockFactory<unknown>): void
function mock<T>(module: Promise<T>, factory?: MockOptions | MockFactory<T>): void

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  • vi.doMock
  • vi.hoisted
  • __mocks__
  • vi.importActual
  • vi.importMock

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