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¿Cómo escribir la prueba de broma correcta para este código?

Mis códigos son:

utils.js:

 exports.a = function a(){ b() } function b() {} exports.b = function b(){ }

utils.prueba.js:

 var utils = require('./utils') test('b called by a', () => { ub = jest.fn() utils.a() expect(utils.b).toHaveBeenCalled() })

Cuando se ejecuta la prueba unitaria, falló con:

 Expected number of calls: >= 1 Received number of calls: 0

¿Cómo probarlo de forma correcta?

about 4 years ago · Juan Pablo Isaza
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