import nextFontGoogleFontLoader from './loader' import { fetchResource } from './fetch-resource' jest.mock('./fetch-resource') const mockFetchResource = fetchResource as jest.Mock describe('next/font/google loader', () => { afterEach(() => { jest.resetAllMocks() }) describe('URL from options', () => { const fixtures: Array<[string, any, string]> = [ [ 'Inter', {}, 'https://fonts.googleapis.com/css2?family=Inter:wght@100..900&display=swap', ], [ 'Inter', { weight: '400' }, 'https://fonts.googleapis.com/css2?family=Inter:wght@400&display=swap', ], [ 'Inter', { weight: '900', display: 'block' }, 'https://fonts.googleapis.com/css2?family=Inter:wght@900&display=block', ], [ 'Source_Sans_3', { weight: '900', display: 'auto' }, 'https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@900&display=auto', ], [ 'Source_Sans_3', { weight: '200', style: 'italic' }, 'https://fonts.googleapis.com/css2?family=Source+Sans+3:ital,wght@1,200&display=swap', ], [ 'Roboto_Flex', { display: 'swap' }, 'https://fonts.googleapis.com/css2?family=Roboto+Flex:wght@100..1000&display=swap', ], [ 'Roboto_Flex', { display: 'fallback', weight: 'variable', axes: ['opsz'] }, 'https://fonts.googleapis.com/css2?family=Roboto+Flex:opsz,wght@8..144,100..1000&display=fallback', ], [ 'Roboto_Flex', { display: 'optional', axes: ['YTUC', 'slnt', 'wdth', 'opsz', 'XTRA', 'YTAS'], }, 'https://fonts.googleapis.com/css2?family=Roboto+Flex:opsz,slnt,wdth,wght,XTRA,YTAS,YTUC@8..144,-10..0,25..151,100..1000,323..603,649..854,528..760&display=optional', ], [ 'Oooh_Baby', { weight: '400' }, 'https://fonts.googleapis.com/css2?family=Oooh+Baby:wght@400&display=swap', ], [ 'Albert_Sans', { weight: 'variable', style: 'italic' }, 'https://fonts.googleapis.com/css2?family=Albert+Sans:ital,wght@1,100..900&display=swap', ], [ 'Fraunces', { weight: 'variable', style: 'italic', axes: ['WONK', 'opsz', 'SOFT'] }, 'https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght,SOFT,WONK@1,9..144,100..900,0..100,0..1&display=swap', ], [ 'Molle', { weight: '400' }, 'https://fonts.googleapis.com/css2?family=Molle:ital,wght@1,400&display=swap', ], [ 'Roboto', { weight: ['500', '300', '400'], style: ['normal', 'italic'] }, 'https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,300;0,400;0,500;1,300;1,400;1,500&display=swap', ], [ 'Roboto Mono', { style: ['italic', 'normal'] }, 'https://fonts.googleapis.com/css2?family=Roboto+Mono:ital,wght@0,100..700;1,100..700&display=swap', ], [ 'Fraunces', { style: ['normal', 'italic'], axes: ['WONK', 'opsz', 'SOFT'], }, 'https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght,SOFT,WONK@0,9..144,100..900,0..100,0..1;1,9..144,100..900,0..100,0..1&display=swap', ], [ 'Poppins', { weight: ['900', '400', '100'] }, 'https://fonts.googleapis.com/css2?family=Poppins:wght@100;400;900&display=swap', ], [ 'Nabla', {}, 'https://fonts.googleapis.com/css2?family=Nabla&display=swap', ], [ 'Nabla', { axes: ['EDPT', 'EHLT'] }, 'https://fonts.googleapis.com/css2?family=Nabla:EDPT,EHLT@0..200,0..24&display=swap', ], [ 'Ballet', {}, 'https://fonts.googleapis.com/css2?family=Ballet&display=swap', ], ] test.each(fixtures)( '%s', async ( functionName: string, fontFunctionArguments: any, expectedUrl: any ) => { mockFetchResource.mockResolvedValue(Buffer.from('OK')) const { css } = await nextFontGoogleFontLoader({ functionName, data: [ { adjustFontFallback: false, subsets: [], ...fontFunctionArguments, }, ], emitFontFile: jest.fn(), resolve: jest.fn(), loaderContext: {} as any, isDev: false, isServer: true, variableName: 'myFont', }) expect(css).toBe('OK') expect(mockFetchResource).toHaveBeenCalledTimes(1) expect(mockFetchResource).toHaveBeenCalledWith( expectedUrl, false, expect.stringContaining('Failed to fetch font') ) } ) }) })