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import { nextTestSetup } from 'e2e-utils'
import { NEXT_RSC_UNION_QUERY } from 'next/dist/client/components/app-router-headers'
describe('app dir - css - experimental inline css', () => {
const { next, isNextDev } = nextTestSetup({
files: __dirname,
})
;(isNextDev ? describe.skip : describe)('Production only', () => {
it('should render page with correct styles', async () => {
const browser = await next.browser('/')
const inlineStyleTag = await browser.elementByCss('style')
expect(await inlineStyleTag.text()).toContain('color')
const p = await browser.elementByCss('p')
expect(await p.getComputedCss('color')).toBe('rgb(255, 255, 0)') // yellow
})
it('should not return rsc payload with inlined style as a dynamic client nav', async () => {
const rscPayload = await (
await next.fetch(`/a?${NEXT_RSC_UNION_QUERY}`, {
method: 'GET',
headers: {
rsc: '1',
},
})
).text()
const style = 'font-size'
expect(rscPayload).toContain('__PAGE__') // sanity check
expect(rscPayload).not.toContain(style)
expect(
await (
await next.fetch(`/a?${NEXT_RSC_UNION_QUERY}`, {
method: 'GET',
})
).text()
).toContain(style) // sanity check that HTML has the style
})
it('should have only one style tag when navigating from page with inlining to page without inlining', async () => {
const browser = await next.browser('/')
await browser.waitForElementByCss('#link-b').click()
await browser.waitForElementByCss('#page-b')
const styleTags = await browser.elementsByCss('style')
const linkTags = await browser.elementsByCss('link[rel="stylesheet"]')
expect(styleTags).toHaveLength(1)
expect(linkTags).toHaveLength(0)
})
})
})
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