April 29, 2019

Assert over specific mock call parameters with Jest - Code with Hugo - Apr 29th 2019

Hot off the press

Jest assert over single or specific argument/parameters with .toHaveBeenCalledWith and expect.anything(): With Jest it’s possible to assert of single or specific arguments/parameters of a mock function call with .toHaveBeenCalled/.toBeCalled and expect.anything(). This post goes through how and why you would do that.

Example repository: github.com/HugoDF/jest-specific-argument-assert.

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