forked from vitejs/vite
/
css.spec.ts
65 lines (58 loc) · 1.83 KB
/
css.spec.ts
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import path from 'node:path'
import { createServer } from 'vite'
import { expect, test } from 'vitest'
import { getColor, isServe, page, ports } from '~utils'
test.runIf(isServe)('postcss config', async () => {
const port = ports['css/postcss-caching']
const startServer = async (root) => {
const server = await createServer({
root,
logLevel: 'silent',
server: {
port,
strictPort: true,
},
build: {
// skip transpilation during tests to make it faster
target: 'esnext',
},
})
await server.listen()
return server
}
const blueAppDir = path.join(__dirname, 'blue-app')
const greenAppDir = path.join(__dirname, 'green-app')
let blueApp
let greenApp
try {
const hmrConnectionPromise = page.waitForEvent('console', (msg) =>
msg.text().includes('connected'),
)
blueApp = await startServer(blueAppDir)
await page.goto(`http://localhost:${port}`, { waitUntil: 'load' })
const blueA = await page.$('.postcss-a')
expect(await getColor(blueA)).toBe('blue')
const blueB = await page.$('.postcss-b')
expect(await getColor(blueB)).toBe('black')
// wait for hmr connection because: if server stops before connection, auto reload does not happen
await hmrConnectionPromise
await blueApp.close()
blueApp = null
const loadPromise = page.waitForEvent('load') // wait for server restart auto reload
greenApp = await startServer(greenAppDir)
await loadPromise
const greenA = await page.$('.postcss-a')
expect(await getColor(greenA)).toBe('black')
const greenB = await page.$('.postcss-b')
expect(await getColor(greenB)).toBe('green')
await greenApp.close()
greenApp = null
} finally {
if (blueApp) {
await blueApp.close()
}
if (greenApp) {
await greenApp.close()
}
}
})