docs: 计划 Task 8 的组件测试片段补上 el-table 渲染时序

原片段用同步的 mountResult 直接断言 tbody tr 的文本,但 el-table 分两轮渲染:
先注册列,下一轮才把单元格填上。只等一个 tick 时拿到的是空 tr,断言会以
"expected '' to contain '2'" 这种看不出原因的方式失败(实测撞到过)。

改成 async mountResult,内部 await 两轮 nextTick 并附上原因;三个用例跟着
改成 await 调用,导出那条也复用 mountResult 传 provide,不再内联 mount。
This commit is contained in:
文睿 张 2026-10-10 16:25:53 +08:00
parent c3835fb28d
commit 326cf77010

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@ -2143,6 +2143,7 @@ git commit -m "feat: 物料导入前端接口与 CSV 导出工具"
```js
import { mount } from '@vue/test-utils'
import ElementPlus from 'element-plus'
import { nextTick } from 'vue'
import { describe, expect, test, vi } from 'vitest'
import MaterialImportResult from './MaterialImportResult.vue'
@ -2156,16 +2157,21 @@ const failedResult = {
]
}
function mountResult(result) {
return mount(MaterialImportResult, {
// el-table 分两轮渲染:先注册列,下一轮才把单元格填上。只等一个 tick 的话
// 拿到的是空 <tr>,断言文本会莫名其妙地失败(实测过一次),所以统一等两轮。
async function mountResult(result, options = {}) {
const wrapper = mount(MaterialImportResult, {
props: { result },
global: { plugins: [ElementPlus], stubs: { teleport: true } }
global: { plugins: [ElementPlus], stubs: { teleport: true }, ...options }
})
await nextTick()
await nextTick()
return wrapper
}
describe('MaterialImportResult', () => {
test('失败时展示行数摘要与每行错误', () => {
const wrapper = mountResult(failedResult)
test('失败时展示行数摘要与每行错误', async () => {
const wrapper = await mountResult(failedResult)
expect(wrapper.text()).toContain('共 3 行')
expect(wrapper.text()).toContain('2 行未通过')
@ -2178,14 +2184,7 @@ describe('MaterialImportResult', () => {
test('导出错误明细时把行号与原因写进 CSV', async () => {
const download = vi.fn()
const wrapper = mount(MaterialImportResult, {
props: { result: failedResult },
global: {
plugins: [ElementPlus],
stubs: { teleport: true },
provide: { downloadCsv: download }
}
})
const wrapper = await mountResult(failedResult, { provide: { downloadCsv: download } })
await wrapper.find('[data-test="export-errors"]').trigger('click')
@ -2197,8 +2196,8 @@ describe('MaterialImportResult', () => {
wrapper.unmount()
})
test('全部成功时只展示成功摘要,不显示错误表格', () => {
const wrapper = mountResult({ total_rows: 2, success_rows: 2, failed_rows: 0, errors: [] })
test('全部成功时只展示成功摘要,不显示错误表格', async () => {
const wrapper = await mountResult({ total_rows: 2, success_rows: 2, failed_rows: 0, errors: [] })
expect(wrapper.text()).toContain('成功导入 2 条')
expect(wrapper.find('[data-test="error-table"]').exists()).toBe(false)