import extractAssets, { h, p, d, m, u, w, $, E, g, A, F, P, R, D } from './index'; describe('extractAssets', () => { it('should download and save a real image asset and update HTML', async () => { const fs = require('fs'); const path = require('path'); const os = require('os'); const tmp = require('fs').mkdtempSync(require('path').join(os.tmpdir(), 'fetch-assets-test-')); const imageUrl = 'https://www.google.com/images/branding/googlelogo/2x/googlelogo_light_color_92x30dp.png'; const sampleHtml = `

`; const logs = []; const origLog = console.log; const origError = console.error; console.log = (...args) => { logs.push(args.join(' ')); origLog(...args); }; console.error = (...args) => { logs.push(args.join(' ')); origError(...args); }; let updatedHtml; try { updatedHtml = await extractAssets(sampleHtml, { saveFile: true, verbose: true, basePath: tmp }); } finally { console.log = origLog; console.error = origError; } if (logs.length) { origLog('[extractAssets test] Captured logs:', logs); } const expectedPath = path.join(tmp, 'images/branding/googlelogo/2x/googlelogo_light_color_92x30dp.png'); if (!fs.existsSync(expectedPath)) { const walk = (dir) => { let results = []; const list = fs.readdirSync(dir); list.forEach((file) => { const filePath = path.join(dir, file); const stat = fs.statSync(filePath); if (stat && stat.isDirectory()) { results = results.concat(walk(filePath)); } else { results.push(filePath); } }); return results; }; const files = walk(path.join(tmp, 'images')); console.log('[extractAssets test] images dir contents:', files); } expect(fs.existsSync(expectedPath)).toBe(true); expect(updatedHtml).toContain('images/branding/googlelogo/2x/googlelogo_light_color_92x30dp.png'); const rimrafSync = (targetPath) => { const fs = require('fs'); if (!fs.existsSync(targetPath)) return; const stat = fs.statSync(targetPath); if (stat.isDirectory()) { fs.readdirSync(targetPath).forEach((file) => { rimrafSync(require('path').join(targetPath, file)); }); fs.rmdirSync(targetPath); } else { fs.unlinkSync(targetPath); } }; rimrafSync(path.join(tmp, 'images')); }); it('should be defined', () => { expect(extractAssets).toBeDefined(); }); }); describe('h', () => { it('logs error when verbose', () => { const spy = jest.spyOn(console, 'error').mockImplementation(() => { }); h('fail', true); expect(spy).toHaveBeenCalledWith('[Error] fail'); spy.mockRestore(); }); it('does not log error when not verbose', () => { const spy = jest.spyOn(console, 'error').mockImplementation(() => { }); h('fail', false); expect(spy).not.toHaveBeenCalled(); spy.mockRestore(); }); }); describe('p', () => { it('logs success when verbose', () => { const spy = jest.spyOn(console, 'log').mockImplementation(() => { }); p('ok', true); expect(spy).toHaveBeenCalledWith('[Success] ok'); spy.mockRestore(); }); it('does not log success when not verbose', () => { const spy = jest.spyOn(console, 'log').mockImplementation(() => { }); p('ok', false); expect(spy).not.toHaveBeenCalled(); spy.mockRestore(); }); }); describe('d', () => { it('returns true for //url', () => { expect(d('//example.com')).toBe(true); }); it('returns false for http url', () => { expect(d('http://example.com')).toBe(false); }); }); describe('m', () => { it('prepends protocol for //url', () => { expect(m('//example.com', 'https')).toBe('https://example.com'); }); it('returns url unchanged if not //', () => { expect(m('http://example.com', 'https')).toBe('http://example.com'); }); }); describe('u', () => { it('returns true for trailing slash', () => { expect(u('abc/')).toBe(true); }); it('returns false for no trailing slash', () => { expect(u('abc')).toBe(false); }); }); describe('w', () => { it('returns true for relative path', () => { expect(w('foo/bar.png')).toBe(true); }); it('returns false for http url', () => { expect(w('http://example.com')).toBe(false); }); it('returns false for //url', () => { expect(w('//example.com')).toBe(false); }); }); describe('$', () => { it('trims and removes quotes', () => { expect($(' "abc" ')).toBe('abc'); expect($("'abc'")).toBe('abc'); expect($('abc')).toBe('abc'); }); }); describe('E', () => { it('resolves relative path to absolute', () => { expect(E('foo.png', 'https://site.com/', 'https')).toBe('https://site.com/foo.png'); }); it('returns protocol for //url', () => { expect(E('//cdn.com/img.png', '', 'https')).toBe('https://cdn.com/img.png'); }); }); describe('g', () => { it('joins paths', () => { expect(g(['a', 'b', 'c'])).toBe('a/b/c'); }); }); describe('A', () => { it('removes query and hash', () => { expect(A('file.png?x=1#hash')).toBe('file.png'); }); }); describe('F', () => { it('joins and cleans path', () => { expect(F('a', 'b.png?x=1')).toBe('a/b.png'); }); }); describe('P', () => { it('returns property by key or lowercase', () => { expect(P({ Foo: 1 }, 'Foo')).toBe(1); expect(P({ foo: 2 }, 'Foo')).toBe(2); }); }); describe('R', () => { it('returns filename from headers', () => { expect(R({ 'Content-Disposition': 'attachment; filename="x.png"' }, 'fallback.png')).toBe('x.png'); }); it('returns fallback if no filename', () => { expect(R({}, 'fallback.png')).toBe('fallback.png'); }); }); describe('D', () => { it('logs progress', () => { const spy = jest.spyOn(console, 'log').mockImplementation(() => { }); D({ loaded: 50, total: 100 }); expect(spy).toHaveBeenCalledWith('Download progress: 50%'); spy.mockRestore(); }); });