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Jest · Module

mockRejectedValue

mockRejectedValue(value) makes a Jest mock return a rejected promise with the given value on every call. It is useful for testing asynchronous failure paths.

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Syntax

mockFn.mockRejectedValue(value)

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  • mockRejectedValueOnce
  • mockResolvedValue
  • mockResolvedValueOnce
  • mockImplementation
  • jest.fn

Source: Mock Functions · Jest. Checked 2026-11-03.