4cd4fd28
郭伟龙
feat: 初始化项目
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import { mount } from '@vue/test-utils'
import { waitNT, waitRAF } from '../../../tests/utils'
import { BPopover } from './popover'
// Our test application definition
const App = {
props: [
'triggers',
'show',
'disabled',
'noFade',
'title',
'titleAttr',
'btnDisabled',
'variant',
'customClass'
],
render(h) {
return h('article', { attrs: { id: 'wrapper' } }, [
h(
'button',
{
attrs: {
id: 'foo',
type: 'button',
disabled: this.btnDisabled || null,
title: this.titleAttr || null
}
},
'text'
),
h(
BPopover,
{
attrs: {
id: 'bar',
'data-foo': 'bar'
},
props: {
target: 'foo',
triggers: this.triggers,
show: this.show,
disabled: this.disabled,
noFade: this.noFade || false,
variant: this.variant,
customClass: this.customClass
}
},
[h('template', { slot: 'title' }, this.$slots.title), this.$slots.default || '']
)
])
}
}
// The majority of functionality has been tested in the tooltip component tests
// as popover shares a common mixin with tooltip
// So we just test a few key differences
// Note: `wrapper.destroy()` MUST be called at the end of each test in order for
// the next test to function properly!
describe('b-popover', () => {
const originalCreateRange = document.createRange
const origGetBCR = Element.prototype.getBoundingClientRect
beforeEach(() => {
// https://github.com/FezVrasta/popper.js/issues/478#issuecomment-407422016
// Hack to make Popper not bork out during tests
// Note popper still does not do any positioning calculation in JSDOM though
// So we cannot test actual positioning, just detect when it is open
document.createRange = () => ({
setStart: () => {},
setEnd: () => {},
commonAncestorContainer: {
nodeName: 'BODY',
ownerDocument: document
}
})
// Mock `getBoundingClientRect()` so that the `isVisible(el)` test returns `true`
// Needed for visibility checks of trigger element, etc
Element.prototype.getBoundingClientRect = jest.fn(() => ({
width: 24,
height: 24,
top: 0,
left: 0,
bottom: 0,
right: 0
}))
})
afterEach(async () => {
// Reset overrides
document.createRange = originalCreateRange
Element.prototype.getBoundingClientRect = origGetBCR
await waitRAF()
})
it('has expected default structure', async () => {
const wrapper = mount(App, {
attachTo: document.body,
propsData: {
triggers: 'click'
},
slots: {
title: 'title',
default: 'content'
}
})
expect(wrapper.vm).toBeDefined()
await waitNT(wrapper.vm)
expect(wrapper.element.tagName).toBe('ARTICLE')
expect(wrapper.attributes('id')).toBeDefined()
expect(wrapper.attributes('id')).toEqual('wrapper')
// The trigger button
const $button = wrapper.find('button')
expect($button.exists()).toBe(true)
expect($button.attributes('id')).toBeDefined()
expect($button.attributes('id')).toEqual('foo')
expect($button.attributes('aria-describedby')).toBeUndefined()
// <b-popover> wrapper
const $tipHolder = wrapper.findComponent(BPopover)
expect($tipHolder.exists()).toBe(true)
expect($tipHolder.element.nodeType).toEqual(Node.COMMENT_NODE)
wrapper.destroy()
})
it('initially open has expected structure', async () => {
jest.useFakeTimers()
const wrapper = mount(App, {
attachTo: document.body,
propsData: {
triggers: 'click',
show: true
},
slots: {
title: 'title',
default: 'content'
}
})
expect(wrapper.vm).toBeDefined()
await waitNT(wrapper.vm)
await waitRAF()
await waitNT(wrapper.vm)
await waitRAF()
jest.runOnlyPendingTimers()
await waitNT(wrapper.vm)
expect(wrapper.element.tagName).toBe('ARTICLE')
expect(wrapper.attributes('id')).toBeDefined()
expect(wrapper.attributes('id')).toEqual('wrapper')
// The trigger button
const $button = wrapper.find('button')
expect($button.exists()).toBe(true)
expect($button.attributes('id')).toBeDefined()
expect($button.attributes('id')).toEqual('foo')
expect($button.attributes('data-original-title')).toBeUndefined()
// ID of the tooltip that will be in the body
const $adb = $button.attributes('aria-describedby')
// <b-popover> wrapper
const $tipHolder = wrapper.findComponent(BPopover)
expect($tipHolder.exists()).toBe(true)
expect($tipHolder.element.nodeType).toEqual(Node.COMMENT_NODE)
// Find the popover element in the document
const $tip = document.getElementById($adb)
expect($tip).not.toBe(null)
expect($tip).toBeInstanceOf(HTMLElement)
expect($tip.tagName).toEqual('DIV')
expect($tip.getAttribute('id')).toEqual('bar')
expect($tip.getAttribute('data-foo')).toEqual('bar')
expect($tip.classList.contains('popover')).toBe(true)
expect($tip.classList.contains('b-popover')).toBe(true)
// Hide the Popover
await wrapper.setProps({
show: false
})
await waitNT(wrapper.vm)
await waitRAF()
await waitNT(wrapper.vm)
await waitRAF()
jest.runOnlyPendingTimers()
expect($button.attributes('aria-describedby')).toBeUndefined()
// Popover element should not be in the document
expect(document.body.contains($tip)).toBe(false)
expect(document.getElementById($adb)).toBe(null)
wrapper.destroy()
})
})
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