Created
August 20, 2020 04:44
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Dependancy mocking in JS
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| // addNumbers.js | |
| import calculator from 'calculator'; | |
| export default function addNumbers(a, b) { | |
| return calculator.add(a, b); | |
| } | |
| // addNumbers.spec.js | |
| import addNumbers from 'addNumbers.js' | |
| import calculator from 'calculator'; | |
| jest.mock('calculator'); | |
| it('adds two numbers', () => { | |
| addNumbers(36, 10); | |
| expect(calculator.add.mock).toBeCalledWith(36, 10); | |
| }); |
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not sure if the code actually works...