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https://gitee.com/element-plus/element-plus.git
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136 lines
3.6 KiB
TypeScript
136 lines
3.6 KiB
TypeScript
import { nextTick, ref } from 'vue'
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import { shallowMount } from '@vue/test-utils'
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import { POPPER_INJECTION_KEY } from '@element-plus/tokens'
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import ElContent from '../src/content.vue'
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const AXIOM = 'rem is the best girl'
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const popperInjection = {
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triggerRef: ref(),
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popperInstanceRef: ref(),
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contentRef: ref(),
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}
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const mountContent = (props = {}) =>
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shallowMount(ElContent, {
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props,
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slots: {
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default: () => AXIOM,
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},
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global: {
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provide: {
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[POPPER_INJECTION_KEY as symbol]: popperInjection,
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},
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},
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})
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describe('<ElPopperContent />', () => {
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describe('with triggerRef provided', () => {
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const triggerKls = 'el-popper__trigger'
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let wrapper: ReturnType<typeof mountContent>
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beforeEach(() => {
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const trigger = document.createElement('div')
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trigger.className = triggerKls
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popperInjection.triggerRef.value = trigger
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})
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afterEach(() => {
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popperInjection.triggerRef.value = null
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wrapper?.unmount()
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})
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it('should mount the component correctly and set popperInstance correctly', async () => {
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wrapper = mountContent()
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await nextTick()
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expect(popperInjection.triggerRef).toBeDefined()
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expect(wrapper.html()).toContain(AXIOM)
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expect(popperInjection.popperInstanceRef.value).toBeDefined()
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expect(wrapper.classes()).toEqual(['el-popper', 'is-dark'])
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expect(wrapper.vm.contentStyle[0]).toHaveProperty('zIndex')
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expect(wrapper.vm.contentStyle[1]).toBeUndefined()
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})
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it('should be able to be pure and themed', async () => {
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wrapper = mountContent()
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await nextTick()
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await wrapper.setProps({
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pure: true,
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effect: 'custom',
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})
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expect(wrapper.classes()).toEqual(['el-popper', 'is-pure', 'is-custom'])
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})
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it('should be able to set customized styles', async () => {
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wrapper = mountContent()
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await nextTick()
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const style = {
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position: 'absolute',
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}
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await wrapper.setProps({
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popperStyle: style,
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})
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expect(wrapper.vm.contentStyle[1]).toEqual(style)
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})
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it('should be able to emit events', async () => {
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wrapper = mountContent()
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await nextTick()
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expect(wrapper.emitted()).not.toHaveProperty('mouseenter')
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expect(wrapper.emitted()).not.toHaveProperty('mouseleave')
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await wrapper.trigger('mouseenter')
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expect(wrapper.emitted()).toHaveProperty('mouseenter')
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await wrapper.trigger('mouseleave')
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expect(wrapper.emitted()).toHaveProperty('mouseleave')
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})
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describe('instantiate popper instance', () => {
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it('should be able to update the current instance', async () => {
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wrapper = mountContent()
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await nextTick()
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jest
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.spyOn(popperInjection.triggerRef.value, 'getBoundingClientRect')
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.mockImplementation(() => ({
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bottom: 1,
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height: 0,
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left: 0,
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right: 0,
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top: 0,
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width: 0,
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}))
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wrapper.vm.$forceUpdate()
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})
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it('should be able to update the reference node', async () => {
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wrapper = mountContent()
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await nextTick()
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const oldInstance = wrapper.vm.popperInstanceRef
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const newRef = document.createElement('div')
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newRef.classList.add('new-ref')
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popperInjection.triggerRef.value = newRef
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await nextTick()
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expect(wrapper.vm.popperInstanceRef).not.toStrictEqual(oldInstance)
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popperInjection.triggerRef.value = undefined
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await nextTick()
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expect(wrapper.vm.popperInstanceRef).toBeUndefined()
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})
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})
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})
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})
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