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* docs: simplify docs to only markdown * Create nuxt-config.md * chore: update * chore: add readme
155 lines
3.5 KiB
Markdown
155 lines
3.5 KiB
Markdown
---
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navigation.icon: uil:check-circle
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---
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# Testing
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How to test your Nuxt application.
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::alert{icon=👉}
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Test utils are still in development and the API and behavior may change. Currently, it is in preview stage but not yet ready for testing production apps.
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If you are a module author, you can find more specific informations in the [Module Author's guide](/docs/guide/going-further/modules#testing)
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::
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In Nuxt 3, we have a rewritten version of `@nuxt/test-utils`. We support [Vitest](https://github.com/vitest-dev/vitest) and [Jest](https://jestjs.io/) as test runners.
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## Installation
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```bash
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yarn add --dev @nuxt/test-utils vitest
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```
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## Setup
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In each `describe` block where you are taking advantage of the `@nuxt/test-utils` helper methods, you will need to set up the test context before beginning.
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```ts
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import { describe, test } from 'vitest'
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import { setup, $fetch } from '@nuxt/test-utils'
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describe('My test', async () => {
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await setup({
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// test context options
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})
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test('my test', () => {
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// ...
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})
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})
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```
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Behind the scenes, `setup` performs a number of tasks in `beforeAll`, `beforeEach`, `afterEach` and `afterAll` to set up the Nuxt test environment correctly.
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## Options
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### Nuxt Configuration
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#### `rootDir`
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Path to a directory with a Nuxt app to be put under test.
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* Type: `string`
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* Default: `'.'`
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#### `configFile`
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Name of the configuration file.
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* Type: `string`
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* Default: `'nuxt.config'`
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<!--
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#### config
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Object with configuration overrides.
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* Type: `NuxtConfig`
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* Default: `{}` -->
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### Setup Timings
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#### `setupTimeout`
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The amount of time (in milliseconds) to allow for `setupTest` to complete its work (which could include building or generating files for a Nuxt application, depending on the options that are passed).
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* Type: `number`
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* Default: `60000`
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### Features to Enable
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#### `server`
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Whether to launch a server to respond to requests in the test suite.
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* Type: `boolean`
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* Default: `true`
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#### `build`
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Whether to run a separate build step.
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* Type: `boolean`
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* Default: `true` (`false` if `browser` or `server` is disabled)
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#### `browser`
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Under the hood, Nuxt test utils uses [`playwright`](https://playwright.dev/) to carry out browser testing. If this option is set, a browser will be launched and can be controlled in the subsequent test suite. (More info can be found [here](/docs/guide/going-further/testing).)
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* Type: `boolean`
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* Default: `false`
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#### `browserOptions`
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* Type: `object` with the following properties
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* **type**: The type of browser to launch - either `chromium`, `firefox` or `webkit`
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* **launch**: `object` of options that will be passed to playwright when launching the browser. See [full API reference](https://playwright.dev/docs/api/class-browsertype#browser-type-launch).
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#### `runner`
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Specify the runner for the test suite. Currently, [Vitest](https://vitest.dev/) is recommended.
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* Type: `'vitest' | 'jest'`
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* Default: `'vitest'`
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## APIs
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### APIs for Rendering Testing
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#### `$fetch(url)`
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Get the HTML of a server-rendered page.
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```ts
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import { $fetch } from '@nuxt/test-utils'
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const html = await $fetch('/')
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```
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#### `fetch(url)`
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Get the response of a server-rendered page.
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```ts
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import { fetch } from '@nuxt/test-utils'
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const res = await fetch('/')
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const { body, headers } = res
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```
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#### `url(path)`
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Get the full URL for a given page (including the port the test server is running on.)
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```ts
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import { url } from '@nuxt/test-utils'
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const pageUrl = url('/page')
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// 'http://localhost:6840/page'
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```
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## Testing in a Browser
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::alert{icon=🚧}
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We are working on it, stay tuned!
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::
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