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Royal Icing — Patrick George Wyndham Smith · May 21, 2021

Mocking window.location in Jest

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Mocking window.location in Jest It’s sometimes necessary to mock window.location in Jest tests. This could because you want to know when window.location.reload() is called, or one of its other methods ( .assign() , .replace() ). Here’s some code to achieve this: const savedLocation = window . location ; beforeEach ( () => { delete window . location ; window . location = Object . assign ( new URL (…

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