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Julianhm9612/index.test.tsx

Created February 2, 2024 19:44
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Jest - Spy useState
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index.test.tsx
const setState = jest.fn();
const useStateSpy = jest.spyOn(React, 'useState');
useStateSpy.mockImplementation(() => [init, setState]);
expect(setState).toHaveBeenCalledWith('S');
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