# Template de teste unitário usando o shallow do Enzyme. ```react import React from 'react'; import { shallow } from 'enzyme'; import Lion from '@sollar/lion'; import MyComponent from '../MyComponent.jsx'; import MOCKED_PROPS from '../__mocks__/ProductsTabMock.js'; jest.mock('@wealthlabs', () => ({ formatMonetaryValue: jest.fn().mockImplementation((value, currencyCode, decimalPlaces = 2) => { if (currencyCode) { return `${currencyCode ?? ''} ${value.toFixed(decimalPlaces)}`; } return `${value.toFixed(decimalPlaces)}`; }), formatNumber: jest.fn().mockImplementation((value, decimals) => { return `${value.toFixed(decimals)}`; }), setLanguage: jest.fn(), getLanguage: jest.fn(), addMessages: jest.fn(), getMessage: jest.fn((key) => key), })); describe('ProductsTab', () => { let wrapper; let instance; beforeAll(() => { wrapper = shallow(<MyComponent {...MOCKED_PROPS} />); instance = wrapper.instance(); }); beforeEach(() => { jest.clearAllMocks(); }); describe('Function name', () => { it('Should do something', () => { console.log(wrapper.debug()); jestExpect(Lion.formatMonetaryValue).toHaveBeenCalledTimes(1); jestExpect(wrapper.find('someElement').prop('attribute')).toBe(true); }); }); }); ```