import { nextTestSetup } from 'e2e-utils'
import webdriver from 'next-webdriver'
describe('next-link', () => {
const { skipped, next, isNextDev } = nextTestSetup({
files: __dirname,
skipDeployment: true,
})
if (skipped) return
it('errors on invalid href', async () => {
const browser = await webdriver(next.appPort, '/invalid-href')
if (isNextDev) {
await expect(browser).toDisplayRedbox(`
{
"code": "E319",
"description": "Failed prop type: The prop \`href\` expects a \`string\` or \`object\` in \`<Link>\`, but got \`undefined\` instead.
Open your browser's console to view the Component stack trace.",
"environmentLabel": null,
"label": "Runtime Error",
"source": "app/invalid-href/page.js (6:10) @ Hello
> 6 | return <Link>Hello, Dave!</Link>
| ^",
"stack": [
"Hello app/invalid-href/page.js (6:10)",
],
}
`)
}
// Client errors show "This page couldn\u2019t load"
expect(await browser.elementByCss('body').text()).toContain(
'This page couldn\u2019t load'
)
})
it('invalid `prefetch` causes runtime error (dev-only)', async () => {
const browser = await webdriver(next.appPort, '/invalid-prefetch')
if (isNextDev) {
await expect(browser).toDisplayRedbox(`
{
"code": "E319",
"description": "Failed prop type: The prop \`prefetch\` expects a \`boolean | "auto"\` in \`<Link>\`, but got \`string\` instead.
Open your browser's console to view the Component stack trace.",
"environmentLabel": null,
"label": "Runtime Error",
"source": "app/invalid-prefetch/page.js (7:5) @ Hello
> 7 | <Link prefetch="unknown" href="https://nextjs.org/">
| ^",
"stack": [
"Hello app/invalid-prefetch/page.js (7:5)",
],
}
`)
// Client errors show "This page couldn\u2019t load"
expect(await browser.elementByCss('body').text()).toContain(
'This page couldn\u2019t load'
)
} else {
expect(await browser.elementByCss('body').text()).toMatchInlineSnapshot(
`"Link with unknown \`prefetch\` renders in prod."`
)
}
})
})