28 lines
639 B
JavaScript
28 lines
639 B
JavaScript
import { mount } from '@vue/test-utils'
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import BackTop from '..'
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describe('BackTop', () => {
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beforeAll(() => {
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jest.useFakeTimers()
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})
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afterAll(() => {
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jest.useRealTimers()
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})
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it('should scroll to top after click it', () => {
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const wrapper = mount(BackTop, {
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propsData: {
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visibilityHeight: -1,
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},
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})
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document.documentElement.scrollTop = 400
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// trigger scroll manually
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wrapper.vm.handleScroll()
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jest.runAllTimers()
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wrapper.find('.ant-back-top').trigger('click')
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jest.runAllTimers()
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expect(Math.abs(Math.round(document.documentElement.scrollTop))).toBe(0)
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})
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})
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