rsnext/test/development/basic/styled-components.test.ts
JJ Kasper e148d2bdbd
Continue testing react v17 with e2e tests (#35787)
* Continue testing react v17 with e2e tests

* update react 17 expected error

* Update env variable name and add log

* fix starter cache version

* remove extra setup condition

* Revert "remove extra setup condition"

This reverts commit 5760a9f8867213f95a9fac073fe27a9ec01b780f.

* update basepath test

* remove log

* stabilize test
2022-03-31 17:35:00 -05:00

76 lines
2.1 KiB
TypeScript

import { join } from 'path'
import webdriver from 'next-webdriver'
import { createNext, FileRef } from 'e2e-utils'
import { NextInstance } from 'test/lib/next-modes/base'
import { fetchViaHTTP, renderViaHTTP } from 'next-test-utils'
describe('styled-components SWC transform', () => {
let next: NextInstance
beforeAll(async () => {
next = await createNext({
files: {
'next.config.js': new FileRef(
join(__dirname, 'styled-components/next.config.js')
),
pages: new FileRef(join(__dirname, 'styled-components/pages')),
},
dependencies: {
'styled-components': '5.3.3',
},
})
})
afterAll(() => next.destroy())
async function matchLogs$(browser) {
let foundLog = false
const browserLogs = await browser.log('browser')
browserLogs.forEach((log) => {
if (log.message.includes('Warning: Prop `%s` did not match.')) {
foundLog = true
}
})
return foundLog
}
it('should not have hydration mismatch with styled-components transform enabled', async () => {
let browser
try {
browser = await webdriver(next.appPort, '/')
// Compile /_error
await fetchViaHTTP(next.appPort, '/404')
// Try 4 times to be sure there is no mismatch
expect(await matchLogs$(browser)).toBe(false)
await browser.refresh()
expect(await matchLogs$(browser)).toBe(false)
await browser.refresh()
expect(await matchLogs$(browser)).toBe(false)
await browser.refresh()
expect(await matchLogs$(browser)).toBe(false)
} finally {
if (browser) {
await browser.close()
}
}
})
it('should render the page with correct styles', async () => {
const browser = await webdriver(next.appPort, '/')
expect(
await browser.eval(
`window.getComputedStyle(document.querySelector('#btn')).color`
)
).toBe('rgb(255, 255, 255)')
})
it('should contain styles in initial HTML', async () => {
const html = await renderViaHTTP(next.url, '/')
expect(html).toContain('background:transparent')
expect(html).toContain('color:white')
})
})