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import { pickFontFileForFallbackGeneration } from './pick-font-file-for-fallback-generation'
describe('pickFontFileForFallbackGeneration', () => {
it('should pick the weight closest to 400', () => {
expect(
pickFontFileForFallbackGeneration([
{
weight: '300',
},
{
weight: '600',
},
])
).toEqual({
weight: '300',
})
expect(
pickFontFileForFallbackGeneration([
{ weight: '200' },
{
weight: '500',
},
])
).toEqual({
weight: '500',
})
expect(
pickFontFileForFallbackGeneration([
{
weight: 'normal',
},
{
weight: '700',
},
])
).toEqual({
weight: 'normal',
})
expect(
pickFontFileForFallbackGeneration([
{
weight: 'bold',
},
{
weight: '900',
},
])
).toEqual({
weight: 'bold',
})
})
it('should pick the thinner weight if both have the same distance to 400', () => {
expect(
pickFontFileForFallbackGeneration([
{
weight: '300',
},
{
weight: '500',
},
])
).toEqual({
weight: '300',
})
})
it('should pick variable range closest to 400', () => {
expect(
pickFontFileForFallbackGeneration([
{
weight: '100 300',
},
{
weight: '600 900',
},
])
).toEqual({
weight: '100 300',
})
expect(
pickFontFileForFallbackGeneration([
{ weight: '100 200' },
{
weight: '500 800',
},
])
).toEqual({
weight: '500 800',
})
expect(
pickFontFileForFallbackGeneration([
{ weight: '100 900' },
{
weight: '300 399',
},
])
).toEqual({
weight: '100 900',
})
})
it('should prefer normal style over italic', () => {
expect(
pickFontFileForFallbackGeneration([
{ weight: '400', style: 'normal' },
{ weight: '400', style: 'italic' },
])
).toEqual({ weight: '400', style: 'normal' })
})
it('should error on invalid weight in array', async () => {
expect(() =>
pickFontFileForFallbackGeneration([
{ path: './font1.woff2', weight: 'normal bold' },
{ path: './font2.woff2', weight: '400 bold' },
{ path: './font3.woff2', weight: 'normal 700' },
{ path: './font4.woff2', weight: '100 abc' },
])
).toThrowErrorMatchingInlineSnapshot(`
"Invalid weight value in src array: \`100 abc\`.
Expected \`normal\`, \`bold\` or a number."
`)
})
test('Invalid variable weight in array', async () => {
expect(() =>
pickFontFileForFallbackGeneration([
{ path: './font1.woff2', weight: 'normal bold' },
{ path: './font2.woff2', weight: '400 bold' },
{ path: './font3.woff2', weight: 'normal 700' },
{ path: './font4.woff2', weight: '100 abc' },
])
).toThrowErrorMatchingInlineSnapshot(`
"Invalid weight value in src array: \`100 abc\`.
Expected \`normal\`, \`bold\` or a number."
`)
})
})
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