Nuxt/test/spa-loader/spa-preloader-outside-disabled.test.ts

import { fileURLToPath } from 'node:url'
import { describe, expect, it } from 'vitest'
import { isWindows } from 'std-env'
import { $fetch, getBrowser, setup, url } from '@nuxt/test-utils'

const isWebpack =
  process.env.TEST_BUILDER === 'webpack' ||
  process.env.TEST_BUILDER === 'rspack'

await setup({
  rootDir: fileURLToPath(new URL('../fixtures/spa-loader', import.meta.url)),
  dev: process.env.TEST_ENV === 'dev',
  server: true,
  browser: true,
  setupTimeout: (isWindows ? 360 : 120) * 1000,
  nuxtConfig: {
    builder: isWebpack ? 'webpack' : 'vite',
    spaLoadingTemplate: true,
    experimental: {
      spaLoadingTemplateLocation: 'within',
    },
  },
})

describe('spaLoadingTemplateLocation flag is set to `within`', () => {
  it('shoul be render loader inside appTag', async () => {
    const html = await $fetch('/spa')
    expect(html).toContain(
      `<div id="__nuxt"><div data-testid="loader">loading...</div>\n</div>`,
    )
  })

  /**
   * This test is skipped in dev mode because it not working
   * possible fix is set timeout to 1000
   * ```
   *     const browser = await getBrowser()
   * const page = await browser.newPage({})
   * await page.goto(url('/spa'), { waitUntil: 'domcontentloaded' })
   *
   * const loader = page.getByTestId('loader')
   * if (process.env.TEST_ENV === 'dev') {
   *   await page.waitForTimeout(1000)
   * }
   * expect(await loader.isHidden()).toBeTruthy()
   *
   * await page.close()
   *}, 60_000)
   *```
   */
  it.skipIf(process.env.TEST_ENV === 'dev')(
    'spa-loader does not appear while the app is mounting',
    async () => {
      const browser = await getBrowser()
      const page = await browser.newPage({})
      await page.goto(url('/spa'), { waitUntil: 'domcontentloaded' })

      const loader = page.getByTestId('loader')
      expect(await loader.isHidden()).toBeTruthy()

      await page.close()
    }, 60_000)
})