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import { validateGoogleFontFunctionCall } from './validate-google-font-function-call'
describe('validateFontFunctionCall errors', () => {
test('Missing function name', () => {
expect(() =>
validateGoogleFontFunctionCall(
'', // default import
undefined
)
).toThrowErrorMatchingInlineSnapshot(
`"next/font/google has no default export"`
)
})
test('Unknown font', () => {
expect(() =>
validateGoogleFontFunctionCall('Unknown_Font', undefined)
).toThrowErrorMatchingInlineSnapshot(`"Unknown font \`Unknown Font\`"`)
})
test('Unknown weight', () => {
expect(() =>
validateGoogleFontFunctionCall('Inter', {
weight: '123',
subsets: ['latin'],
})
).toThrowErrorMatchingInlineSnapshot(`
"Unknown weight \`123\` for font \`Inter\`.
Available weights: \`100\`, \`200\`, \`300\`, \`400\`, \`500\`, \`600\`, \`700\`, \`800\`, \`900\`, \`variable\`"
`)
})
test('Missing weight for non variable font', () => {
expect(() => validateGoogleFontFunctionCall('Abel', { subsets: ['latin'] }))
.toThrowErrorMatchingInlineSnapshot(`
"Missing weight for font \`Abel\`.
Available weights: \`400\`"
`)
})
test('Unknown style', () => {
expect(() =>
validateGoogleFontFunctionCall('Molle', {
weight: '400',
style: 'normal',
subsets: ['latin'],
})
).toThrowErrorMatchingInlineSnapshot(`
"Unknown style \`normal\` for font \`Molle\`.
Available styles: \`italic\`"
`)
})
test('Invalid display value', () => {
expect(() =>
validateGoogleFontFunctionCall('Inter', {
display: 'Invalid',
subsets: ['latin'],
})
).toThrowErrorMatchingInlineSnapshot(`
"Invalid display value \`Invalid\` for font \`Inter\`.
Available display values: \`auto\`, \`block\`, \`swap\`, \`fallback\`, \`optional\`"
`)
})
test('Variable in weight array', async () => {
expect(() =>
validateGoogleFontFunctionCall('Inter', {
weight: ['100', 'variable'],
subsets: ['latin'],
})
).toThrowErrorMatchingInlineSnapshot(
`"Unexpected \`variable\` in weight array for font \`Inter\`. You only need \`variable\`, it includes all available weights."`
)
})
test('Invalid subset in call', async () => {
expect(() =>
validateGoogleFontFunctionCall('Inter', { subsets: ['latin', 'oops'] })
).toThrowErrorMatchingInlineSnapshot(`
"Unknown subset \`oops\` for font \`Inter\`.
Available subsets: \`cyrillic\`, \`cyrillic-ext\`, \`greek\`, \`greek-ext\`, \`latin\`, \`latin-ext\`, \`vietnamese\`"
`)
})
test('Missing subsets in config and call', async () => {
expect(() => validateGoogleFontFunctionCall('Inter', {}))
.toThrowErrorMatchingInlineSnapshot(`
"Preload is enabled but no subsets were specified for font \`Inter\`. Please specify subsets or disable preloading if your intended subset can't be preloaded.
Available subsets: \`cyrillic\`, \`cyrillic-ext\`, \`greek\`, \`greek-ext\`, \`latin\`, \`latin-ext\`, \`vietnamese\`
Read more: https://nextjs.org/docs/messages/google-fonts-missing-subsets"
`)
})
test('Setting axes on non variable font', async () => {
expect(() =>
validateGoogleFontFunctionCall('Abel', {
weight: '400',
axes: [],
subsets: ['latin'],
})
).toThrowErrorMatchingInlineSnapshot(
`"Axes can only be defined for variable fonts."`
)
})
test('Setting axes on variable font with incorrect weight', async () => {
expect(() =>
validateGoogleFontFunctionCall('Roboto_Flex', {
weight: ['400', '700'],
axes: ['wght'],
subsets: ['latin'],
})
).toThrowErrorMatchingInlineSnapshot(
'"Axes can only be defined for variable fonts when the weight property is nonexistent or set to `variable`."'
)
})
})
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