danielr1996
/ useExternal.spec.ts
Last active
September 6, 2022 14:07
Test React hook which uses another hook
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| import {useExternal} from "./useExternal"; | |
| const useInternal = jest.spyOn(require('./useInternal'), 'useInternal') | |
| useInternal.mockReturnValue(2) | |
| test('useExternal', ()=>{ | |
| const actual = useExternal() | |
| const expected = 4 | |
| expect(actual).toBe(expected) | |
| }) |