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

47 lines
1.4 KiB
JavaScript

import { mount } from '@vue/test-utils';
import BackTop from '..';
import { sleep } from '../../../tests/utils';
describe('BackTop', () => {
it('should scroll to top after click it', async () => {
const wrapper = mount(BackTop, {
props: {
visibilityHeight: -1,
},
attachTo: 'body',
});
const scrollToSpy = jest.spyOn(window, 'scrollTo').mockImplementation((x, y) => {
window.scrollY = y;
window.pageYOffset = y;
document.documentElement.scrollTop = y;
});
window.scrollTo(0, 400);
expect(document.documentElement.scrollTop).toBe(400);
await sleep(100);
wrapper.find('.ant-back-top').trigger('click');
await sleep(500);
expect(document.documentElement.scrollTop).toBe(0);
scrollToSpy.mockRestore();
});
it('support onClick', async () => {
const onClick = jest.fn();
const wrapper = mount(BackTop, {
props: {
visibilityHeight: -1,
onClick,
},
attachTo: 'body',
});
const scrollToSpy = jest.spyOn(window, 'scrollTo').mockImplementation((x, y) => {
window.scrollY = y;
window.pageYOffset = y;
});
document.dispatchEvent(new Event('scroll'));
window.scrollTo(0, 400);
await sleep(10);
wrapper.find('.ant-back-top').trigger('click');
expect(onClick).toHaveBeenCalled();
scrollToSpy.mockRestore();
});
});