rsnext/test/unit/eslint-plugin-next/no-page-custom-font.test.ts
Michael Novotny 5211ac5cae
Adds consistency to ESLint rules. (#34335)
* Adds consistency to ESLint rules.

* Fixes lint errors.

* Fixes manifest.

* Adds missing title.

* Fixes copy / paste error.

Co-authored-by: Lee Robinson <me@leerob.io>

* Update errors/no-script-in-document.md

Co-authored-by: Lee Robinson <me@leerob.io>

* Update errors/no-sync-scripts.md

Co-authored-by: Lee Robinson <me@leerob.io>

* Updates a couple of rule descriptions.

* Adds redirects.

* Fixes unit tests.

* Removes duplicated section.

* Updates `no-before-interactive-script-outside-document` description.

* Fixes lint.

* Fixes integration tests.

* Adds description to `no-before-interactive-script-outside-document` documentation.

* Removes `link-passhref` from rules list.

* Updates remaining `pages/_middleware.js` references.

* Adds consistancy to messaging in new `no-styled-jsx-in-document` rule.

* Apply suggestions from code review

* Apply suggestions from code review

Co-authored-by: Lee Robinson <me@leerob.io>
Co-authored-by: Tim Neutkens <tim@timneutkens.nl>
Co-authored-by: JJ Kasper <jj@jjsweb.site>
2022-06-13 21:17:42 -05:00

200 lines
4.6 KiB
TypeScript

import rule from '@next/eslint-plugin-next/lib/rules/no-page-custom-font'
import { RuleTester } from 'eslint'
;(RuleTester as any).setDefaultConfig({
parserOptions: {
ecmaVersion: 2018,
sourceType: 'module',
ecmaFeatures: {
modules: true,
jsx: true,
},
},
})
const ruleTester = new RuleTester()
const filename = 'pages/_document.js'
ruleTester.run('no-page-custom-font', rule, {
valid: [
{
code: `import Document, { Html, Head } from "next/document";
class MyDocument extends Document {
render() {
return (
<Html>
<Head>
<link
href="https://fonts.googleapis.com/css2?family=Krona+One&display=swap"
rel="stylesheet"
/>
</Head>
</Html>
);
}
}
export default MyDocument;`,
filename,
},
{
code: `import NextDocument, { Html, Head } from "next/document";
class Document extends NextDocument {
render() {
return (
<Html>
<Head>
<link
href="https://fonts.googleapis.com/css2?family=Krona+One&display=swap"
rel="stylesheet"
/>
</Head>
</Html>
);
}
}
export default Document;
`,
filename,
},
{
code: `export default function CustomDocument() {
return (
<Html>
<Head>
<link
href="https://fonts.googleapis.com/css2?family=Krona+One&display=swap"
rel="stylesheet"
/>
</Head>
</Html>
)
}`,
filename,
},
{
code: `function CustomDocument() {
return (
<Html>
<Head>
<link
href="https://fonts.googleapis.com/css2?family=Krona+One&display=swap"
rel="stylesheet"
/>
</Head>
</Html>
)
}
export default CustomDocument;
`,
filename,
},
{
code: `
import Document, { Html, Head } from "next/document";
class MyDocument {
render() {
return (
<Html>
<Head>
<link
href="https://fonts.googleapis.com/css2?family=Krona+One&display=swap"
rel="stylesheet"
/>
</Head>
</Html>
);
}
}
export default MyDocument;`,
filename,
},
{
code: `export default function() {
return (
<Html>
<Head>
<link
href="https://fonts.googleapis.com/css2?family=Krona+One&display=swap"
rel="stylesheet"
/>
</Head>
</Html>
)
}`,
filename,
},
],
invalid: [
{
code: `
import Head from 'next/head'
export default function IndexPage() {
return (
<div>
<Head>
<link
href="https://fonts.googleapis.com/css2?family=Inter"
rel="stylesheet"
/>
</Head>
<p>Hello world!</p>
</div>
)
}
`,
filename: 'pages/index.tsx',
errors: [
{
message:
'Custom fonts not added in `pages/_document.js` will only load for a single page. This is discouraged. See: https://nextjs.org/docs/messages/no-page-custom-font',
type: 'JSXOpeningElement',
},
],
},
{
code: `
import Head from 'next/head'
function Links() {
return (
<>
<link
href="https://fonts.googleapis.com/css2?family=Inter"
rel="stylesheet"
/>
<link
href="https://fonts.googleapis.com/css2?family=Open+Sans"
rel="stylesheet"
/>
</>
)
}
export default function IndexPage() {
return (
<div>
<Head>
<Links />
</Head>
<p>Hello world!</p>
</div>
)
}
`,
filename,
errors: [
{
message:
'Using `<link />` outside of `<Head>` will disable automatic font optimization. This is discouraged. See: https://nextjs.org/docs/messages/no-page-custom-font',
},
{
message:
'Using `<link />` outside of `<Head>` will disable automatic font optimization. This is discouraged. See: https://nextjs.org/docs/messages/no-page-custom-font',
},
],
},
],
})