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					93 lines
				
				2.2 KiB
			
		
		
			
		
	
	
					93 lines
				
				2.2 KiB
			| 
											3 years ago
										 | 'use strict' | ||
|  | 
 | ||
|  | const test = require('tap').test | ||
|  | const FormData = require('form-data') | ||
|  | const Fastify = require('fastify') | ||
|  | const multipart = require('..') | ||
|  | const http = require('http') | ||
|  | const stream = require('readable-stream') | ||
|  | const Readable = stream.Readable | ||
|  | const pump = stream.pipeline | ||
|  | const crypto = require('crypto') | ||
|  | const sendToWormhole = require('stream-wormhole') | ||
|  | 
 | ||
|  | // skipping on Github Actions because it takes too long
 | ||
|  | test('should upload a big file in constant memory', { skip: process.env.CI }, function (t) { | ||
|  |   t.plan(9) | ||
|  | 
 | ||
|  |   const fastify = Fastify() | ||
|  |   const hashInput = crypto.createHash('sha256') | ||
|  | 
 | ||
|  |   t.teardown(fastify.close.bind(fastify)) | ||
|  | 
 | ||
|  |   fastify.register(multipart) | ||
|  | 
 | ||
|  |   fastify.post('/', async function (req, reply) { | ||
|  |     t.ok(req.isMultipart()) | ||
|  | 
 | ||
|  |     for await (const part of req.parts()) { | ||
|  |       if (part.file) { | ||
|  |         t.equal(part.fieldname, 'upload') | ||
|  |         t.equal(part.filename, 'random-data') | ||
|  |         t.equal(part.encoding, '7bit') | ||
|  |         t.equal(part.mimetype, 'binary/octet-stream') | ||
|  | 
 | ||
|  |         await sendToWormhole(part.file) | ||
|  |       } | ||
|  |     } | ||
|  | 
 | ||
|  |     const memory = process.memoryUsage() | ||
|  |     t.ok(memory.rss < 400 * 1024 * 1024) // 200MB
 | ||
|  |     t.ok(memory.heapTotal < 400 * 1024 * 1024) // 200MB
 | ||
|  | 
 | ||
|  |     reply.send() | ||
|  |   }) | ||
|  | 
 | ||
|  |   fastify.listen({ port: 0 }, function () { | ||
|  |     const knownLength = 1024 * 1024 * 1024 | ||
|  |     let total = knownLength | ||
|  |     const form = new FormData({ maxDataSize: total }) | ||
|  |     const rs = new Readable({ | ||
|  |       read (n) { | ||
|  |         if (n > total) { | ||
|  |           n = total | ||
|  |         } | ||
|  | 
 | ||
|  |         const buf = Buffer.alloc(n).fill('x') | ||
|  |         hashInput.update(buf) | ||
|  |         this.push(buf) | ||
|  | 
 | ||
|  |         total -= n | ||
|  | 
 | ||
|  |         if (total === 0) { | ||
|  |           t.pass('finished generating') | ||
|  |           hashInput.end() | ||
|  |           this.push(null) | ||
|  |         } | ||
|  |       } | ||
|  |     }) | ||
|  |     form.append('upload', rs, { | ||
|  |       filename: 'random-data', | ||
|  |       contentType: 'binary/octet-stream', | ||
|  |       knownLength | ||
|  |     }) | ||
|  | 
 | ||
|  |     const opts = { | ||
|  |       protocol: 'http:', | ||
|  |       hostname: 'localhost', | ||
|  |       port: fastify.server.address().port, | ||
|  |       path: '/', | ||
|  |       headers: form.getHeaders(), | ||
|  |       method: 'POST' | ||
|  |     } | ||
|  | 
 | ||
|  |     const req = http.request(opts, () => { fastify.close(noop) }) | ||
|  | 
 | ||
|  |     pump(form, req, function (err) { | ||
|  |       t.error(err, 'client pump: no err') | ||
|  |     }) | ||
|  |   }) | ||
|  | }) | ||
|  | 
 | ||
|  | function noop () { } |