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import { join } from 'path'
import webdriver, { Playwright } from 'next-webdriver'
import { FileRef, nextTestSetup } from 'e2e-utils'
import { check, shouldRunTurboDevTest } from 'next-test-utils'
// [TODO]: It is unclear why turbopack takes longer to run this test
// remove once it's fixed
if (shouldRunTurboDevTest()) {
jest.setTimeout(1000 * 60 * 5)
}
describe('TailwindCSS JIT', () => {
const { next } = nextTestSetup({
files: {
'postcss.config.js': new FileRef(
join(__dirname, 'tailwind-jit/postcss.config.js')
),
'tailwind.config.js': new FileRef(
join(__dirname, 'tailwind-jit/tailwind.config.js')
),
pages: new FileRef(join(__dirname, 'tailwind-jit/pages')),
},
dependencies: {
tailwindcss: '2.2.19',
postcss: '8.3.5',
},
})
it('works with JIT enabled', async () => {
let browser: Playwright
try {
browser = await webdriver(next.url, '/')
const text = await browser.elementByCss('.text-6xl').text()
expect(text).toMatch(/Welcome to/)
const cssBlue = await browser
.elementByCss('#test-link')
.getComputedCss('color')
expect(cssBlue).toBe('rgb(37, 99, 235)')
const aboutPagePath = join('pages', 'index.js')
const originalContent = await next.readFile(aboutPagePath)
const editedContent = originalContent.replace(
'<a className="text-blue-600" href="https://nextjs.org" id="test-link">',
'<a className="text-red-600" href="https://nextjs.org" id="test-link">'
)
await browser.eval('window.REAL_HMR = 1;')
// change the content
try {
await next.patchFile(aboutPagePath, editedContent)
await check(
() => browser.elementByCss('#test-link').getComputedCss('color'),
/rgb\(220, 38, 38\)/
)
expect(await browser.eval('window.REAL_HMR')).toBe(1)
} finally {
// add the original content
await next.patchFile(aboutPagePath, originalContent)
}
} finally {
if (browser) {
await browser.close()
}
}
})
})
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