fonteva-design-guide/force-app/main/default/lwc/pfmOrderTotals/__tests__/pfmOrderTotalsTest.js

## Dev, Build and Test

import { createElement } from 'lwc';

import SUMMARY from 'c/pfmOrderTotals';

describe('c-pfm-order-totals', () => {
    let element;
    beforeEach(() => {
        element = createElement('c-pfm-order-totals', {
            is: SUMMARY
        });
    });
    afterEach(() => {
        // The jsdom instance is shared across test cases in a single file so reset the DOM
        while (document.body.firstChild) {
            document.body.removeChild(document.body.firstChild);
        }
    });

    it('total', () => {
        element.items = [
            { name: 'foo', total: 5 },
            { name: 'bar', total: 10 }
        ];
        element.currencyIsoCode = 'USD';
        document.body.appendChild(element);

        return Promise.resolve().then(() => {
            const pfmCurrency = element.shadowRoot.querySelector('c-pfm-currency[data-name="total"]');
            expect(pfmCurrency.val).toBe(15);
        });
    });

    it('no items', () => {
        element.items = [];
        element.currencyIsoCode = 'USD';
        document.body.appendChild(element);

        return Promise.resolve().then(() => {
            const pfmCurrency = element.shadowRoot.querySelector('c-pfm-currency[data-name="total"]');
            expect(pfmCurrency.val).toBe(0);
        });
    });
});