ant-design-vue/components/back-top/__tests__/index.test.js

20 lines
624 B
JavaScript

import { mount } from '@vue/test-utils';
import BackTop from '..';
describe('BackTop', () => {
it('should scroll to top after click it', async () => {
const wrapper = mount(BackTop, {
propsData: {
visibilityHeight: -1,
},
});
document.documentElement.scrollTop = 400;
// trigger scroll manually
wrapper.vm.handleScroll();
await new Promise(resolve => setTimeout(resolve, 0));
wrapper.find('.ant-back-top').trigger('click');
await new Promise(resolve => setTimeout(resolve, 1000));
expect(Math.abs(Math.round(document.documentElement.scrollTop))).toBe(0);
});
});