31 lines
1.2 KiB
TypeScript
31 lines
1.2 KiB
TypeScript
/**
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* 大文件下载流门禁：路由必须使用统一的背压转换器，不能通过 data 事件
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* 无限制地把源文件推入 Web Stream 队列。
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*/
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describe('大文件下载流清理与背压', () => {
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const fs = require('fs')
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const path = require('path')
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const downloadRoutes = [
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['app/api/materials/download/route.ts', 'nodeReadableToWebStream'],
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['app/api/materials/[id]/skus/[skuId]/download/route.ts', 'createArchiveDownloadStream'],
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['app/api/materials/[id]/skus/batch-download/route.ts', 'createArchiveDownloadStream'],
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['app/api/external/download/route.ts', 'createArchiveDownloadStream'],
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]
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test.each(downloadRoutes)('%s 应使用统一的背压/取消流转换器', (routePath, helperName) => {
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const filePath = path.join(__dirname, '../..', routePath)
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const content = fs.readFileSync(filePath, 'utf-8')
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expect(content).toContain(helperName)
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expect(content).not.toMatch(/(?:fileStream|nodeStream|archive)\.on\(['"]data['"]/)
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})
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test('转换器取消时必须销毁 Node 源流', () => {
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const helperPath = path.join(__dirname, '..', 'node-readable-stream.ts')
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const content = fs.readFileSync(helperPath, 'utf-8')
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expect(content).toMatch(/cancel\([^)]*\)[\s\S]*?source\.destroy\(\)/)
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})
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})
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