Adr*_* HM 5 nuxt.js nuxtjs3 vitest
我想使用可组合项测试组件useNuxtApp。这是组件( MyComponent.vue):
<template>
<div class="flex justify-between">
<span>{{ $fmt(12) }}</span>
</div>
</template>
<script lang="ts" setup>
const { $fmt } = useNuxtApp()
</script>
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$fmt是文件夹中的插件plugins。
问题是当我尝试MyComponent.vue使用进行测试时vitest,测试未启动并且出现此错误:
ReferenceError: useNuxtApp is not defined
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我不知道如何模拟可组合useNuxtApp项
解决方案是导入useNuxtApp您的组件:
<template>
<div class="flex justify-between">
<span>{{ $fmt(12) }}</span>
</div>
</template>
<script lang="ts" setup>
import { useNuxtApp } from '#app'
const { $fmt } = useNuxtApp()
</script>
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添加#app和#head别名以在测试文件中vitest.config.js导入:useNuxtApp
import path from 'path'
import vue from '@vitejs/plugin-vue'
export default {
plugins: [vue()],
test: {
globals: true,
environment: 'jsdom',
setupFiles: './tests/unit/setup/index.ts',
},
resolve: {
alias: {
'@': path.resolve(__dirname, '.'),
'#app': path.resolve(
__dirname,
'./node_modules/nuxt/dist/app/index.d.ts'
),
'#head': path.resolve(
__dirname,
'./node_modules/nuxt/dist/app/index.d.ts'
),
},
},
}
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最后你可以useNuxtApp在你的测试文件中进行模拟:
import { vi } from 'vitest'
import * as nuxt from '#app'
import { currency } from '@/plugins/utils/fmt-util'
// @ts-ignore
vi.spyOn(nuxt, 'useNuxtApp').mockImplementation(() => ({
$fmt: { currency },
}))
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