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https://gitee.com/element-plus/element-plus.git
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339 lines
11 KiB
TypeScript
339 lines
11 KiB
TypeScript
import { nextTick, ref } from 'vue'
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import { mount } from '@vue/test-utils'
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import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest'
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import Pagination from '../src/pagination'
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import selectDropdownVue from '../../select/src/select-dropdown.vue'
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import type { VueWrapper } from '@vue/test-utils'
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const assertElementsExistence = (
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wrapper: VueWrapper<any>,
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selectors: string[],
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existence: boolean
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) => {
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selectors.forEach((selector) => {
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expect(wrapper.find(selector).exists()).toBe(existence)
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})
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}
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const assertCurrent = (wrapper: VueWrapper<any>, page: number) => {
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expect(wrapper.find('.el-pager li.is-active.number').text()).toBe(
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String(page)
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)
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}
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const assertPages = (wrapper: VueWrapper<any>, total: number) => {
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expect(wrapper.find('.el-pagination .el-pager li:last-child').text()).toBe(
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String(total)
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)
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}
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describe('Pagination', () => {
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describe('test invalid usages', () => {
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const cacheWarn = console.warn
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beforeEach(() => {
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console.warn = vi.fn()
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})
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afterEach(() => {
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console.warn = cacheWarn
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})
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test('both absence of total & pageCount is invalid', async () => {
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expect(console.warn).not.toHaveBeenCalled()
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const total = ref<number | undefined>(undefined)
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const wrapper = mount(() => <Pagination total={total.value}></Pagination>)
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expect(wrapper.find('.el-pagination').exists()).toBe(false)
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expect(console.warn).toHaveBeenCalled()
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total.value = 100
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await nextTick()
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expect(wrapper.find('.el-pagination').exists()).toBe(true)
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})
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test('current-page defined while absence of current-page listener is invalid', () => {
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expect(console.warn).not.toHaveBeenCalled()
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const wrapper = mount(() => (
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<Pagination total={100} currentPage={1}></Pagination>
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))
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expect(wrapper.find('.el-pagination').exists()).toBe(false)
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expect(console.warn).toHaveBeenCalled()
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})
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test('layout with `sizes` restrictions(page-count)', () => {
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expect(console.warn).not.toHaveBeenCalled()
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const wrapper = mount(() => (
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<Pagination layout="sizes, pager" pageCount={10}></Pagination>
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))
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expect(wrapper.find('.el-pagination').exists()).toBe(false)
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expect(console.warn).toHaveBeenCalled()
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})
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test('layout with `sizes` restrictions(page-size)', () => {
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expect(console.warn).not.toHaveBeenCalled()
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const wrapper = mount(() => (
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<Pagination layout="sizes, pager" pageSize={10}></Pagination>
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))
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expect(wrapper.find('.el-pagination').exists()).toBe(false)
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expect(console.warn).toHaveBeenCalled()
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})
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})
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describe('test layout & layout reactive change', () => {
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const layoutRef = ref('')
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const wrapper = mount(() => (
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<Pagination total={100} layout={layoutRef.value}></Pagination>
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))
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test('layout empty', async () => {
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await nextTick()
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expect(wrapper.find('.el-pagination').exists()).toBe(false)
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})
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const layoutSelectorPairs = [
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['sizes', '.el-pagination__sizes'],
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['prev', 'button.btn-prev'],
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['pager', 'ul.el-pager'],
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['next', 'button.btn-next'],
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['jumper', '.el-pagination__jump'],
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['total', '.el-pagination__total'],
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]
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layoutSelectorPairs.forEach(([layout], idx) => {
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test(`layout with only '${layout}'`, async () => {
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layoutRef.value = layout
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await nextTick()
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for (const [i, layoutSelectorPair] of layoutSelectorPairs.entries()) {
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expect(wrapper.find(layoutSelectorPair[1]).exists()).toBe(i === idx)
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}
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})
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})
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test(`layout with '->, total'`, async () => {
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layoutRef.value = '->, total'
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await nextTick()
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assertElementsExistence(
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wrapper,
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['.el-pagination__total', '.el-pagination__rightwrapper'],
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true
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)
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})
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test('layout with default layout prop', () => {
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const wrapper = mount(() => <Pagination total={100}></Pagination>)
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assertElementsExistence(
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wrapper,
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[
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'.el-pagination__rightwrapper',
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'button.btn-prev',
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'ul.el-pager',
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'button.btn-next',
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'.el-pagination__jump',
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],
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true
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)
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})
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test('test layout with slot', () => {
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const wrapper = mount(() => (
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<Pagination layout="slot, prev, pager, next" pageSize={25} total={100}>
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<span class="slot-test">slot test</span>
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</Pagination>
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))
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expect(wrapper.find('.slot-test').exists()).toBe(true)
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})
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test('test small layout', () => {
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const wrapper = mount(() => (
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<Pagination total={100} small={true}></Pagination>
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))
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expect(wrapper.vm.$el.classList.contains('el-pagination--small')).toBe(
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true
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)
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})
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test('test with background', async () => {
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const withBackground = ref(true)
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const wrapper = mount(() => (
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<Pagination total={100} background={withBackground.value}></Pagination>
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))
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expect(wrapper.find('.is-background').exists()).toBe(true)
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withBackground.value = false
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await nextTick()
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expect(wrapper.find('.is-background').exists()).toBe(false)
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})
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test('test hide-on-single-page prop', async () => {
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const hideOnSinglePage = ref(false)
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const wrapper = mount(() => (
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<Pagination
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total={10} // deivded by default page-size(10), there will be only one page
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hideOnSinglePage={hideOnSinglePage.value}
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/>
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))
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expect(wrapper.find('.el-pagination').exists()).toBe(true)
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hideOnSinglePage.value = true
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await nextTick()
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expect(wrapper.find('.el-pagination').exists()).toBe(false)
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})
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})
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describe('test pageSize & currentPage reactive change', () => {
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test(`test pageSize change`, async () => {
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const pageSize = ref(10)
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const wrapper = mount(() => (
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<Pagination layout="pager" total={100} pageSize={pageSize.value} />
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))
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// total pages = Math.ceil(total / pageSize)
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assertPages(wrapper, 10)
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pageSize.value = 20
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await nextTick()
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assertPages(wrapper, 5)
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pageSize.value = 55
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await nextTick()
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assertPages(wrapper, 2)
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})
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test('test currentPage change', async () => {
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const pageSize = ref(10)
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const defaultCurrentPage = ref(2)
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const wrapper = mount(() => (
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<Pagination
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layout="prev, pager, next"
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total={100}
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pageSize={pageSize.value}
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defaultCurrentPage={defaultCurrentPage.value}
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/>
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))
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assertCurrent(wrapper, 2)
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defaultCurrentPage.value = 1
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assertCurrent(wrapper, 2) // still 2
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await wrapper.find('.el-pager li:last-child').trigger('click')
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assertCurrent(wrapper, 10)
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await wrapper.find('button.btn-prev').trigger('click')
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assertCurrent(wrapper, 9)
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await wrapper.find('button.btn-next').trigger('click')
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assertCurrent(wrapper, 10)
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pageSize.value = 50
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await nextTick()
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assertCurrent(wrapper, 2)
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})
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test('test pageCount change and side effect', async () => {
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const pageCount = ref(10)
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const wrapper = mount(() => (
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<Pagination layout="prev, pager, next" pageCount={pageCount.value} />
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))
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assertPages(wrapper, 10)
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pageCount.value = 20
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await nextTick()
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assertPages(wrapper, 20)
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await wrapper.find('.el-pager li:last-child').trigger('click')
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assertCurrent(wrapper, 20)
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pageCount.value = 5
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await nextTick()
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// side effect, if currentPage is greater than pageCount
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// currentPage should change accordingly
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assertPages(wrapper, 5)
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assertCurrent(wrapper, 5)
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})
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test('test listener work', async () => {
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const pageSizeWatcher = vi.fn()
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const currentPageWatcher = vi.fn()
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const wrapper = mount(() => (
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<Pagination
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total={100}
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layout="prev, pager, next, sizes"
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onUpdate:current-page={currentPageWatcher}
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onUpdate:page-size={pageSizeWatcher}
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/>
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))
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await wrapper.find('.el-pager li:last-child').trigger('click')
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assertCurrent(wrapper, 10 /* Math.ceil(100/10) */)
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expect(currentPageWatcher).toHaveBeenCalled()
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await wrapper.find('.el-select').trigger('click')
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await wrapper
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.getComponent(selectDropdownVue)
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.find('li:nth-child(2)')
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.trigger('click')
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expect(pageSizeWatcher).toHaveBeenCalled()
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assertCurrent(wrapper, 5 /* Math.ceil(100/20) */)
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})
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})
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describe('test a11y supports', () => {
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test('test a11y attributes', async () => {
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const wrapper = mount(() => <Pagination total={100} />)
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expect(wrapper.find('.el-pagination').attributes('aria-label')).toBe(
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'pagination'
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)
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expect(wrapper.find('.el-pagination').attributes('role')).toBe(
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'pagination'
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)
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expect(
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wrapper.find('.el-pagination .btn-prev').attributes('aria-disabled')
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).toBe('true')
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expect(
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wrapper.find('.el-pagination .btn-next').attributes('aria-disabled')
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).toBe('false')
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expect(
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wrapper.find('.el-pager li:first-child').attributes('aria-current')
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).toBe('true')
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expect(
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wrapper.find('.el-pager li:last-child').attributes('aria-current')
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).toBe('false')
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await wrapper.find('.el-pager li:last-child').trigger('click')
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expect(
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wrapper.find('.el-pagination .btn-prev').attributes('aria-disabled')
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).toBe('false')
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expect(
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wrapper.find('.el-pagination .btn-next').attributes('aria-disabled')
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).toBe('true')
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expect(
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wrapper.find('.el-pager li:first-child').attributes('aria-current')
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).toBe('false')
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expect(
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wrapper.find('.el-pager li:last-child').attributes('aria-current')
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).toBe('true')
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})
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test('test tabindex interactive', async () => {
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const wrapper = mount(() => <Pagination total={100} />)
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await wrapper.find('.el-pager li:nth-child(2)').trigger('click')
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assertCurrent(wrapper, 2)
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await wrapper.find('.el-pager li:nth-child(3)').trigger('click', {
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key: 'Enter',
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})
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assertCurrent(wrapper, 3)
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// TODO getComputedStyle is not implemented in jsdom, so I duno how to assert style of psuedo-class
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/*
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* await wrapper.find('.el-pager li:nth-child(3)').trigger('keyup', {
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* key: 'Tab',
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* })
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* const style = window.getComputedStyle(wrapper.find('.el-pager li:nth-child(4)').element, ':focus-visible')
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* expect(style.outline).toBeTruthy()
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*/
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})
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test('test tabindex disabled', async () => {
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const disabled = ref(true)
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const wrapper = mount(() => (
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<Pagination total={100} disabled={disabled.value}></Pagination>
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))
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expect(
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wrapper.find('.el-pager li:first-child').attributes('tabindex')
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).toBe('-1')
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disabled.value = false
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await nextTick()
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expect(
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wrapper.find('.el-pager li:first-child').attributes('tabindex')
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).toBe('0')
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})
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})
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})
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