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project-client-server-apps
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server/node_modules/pump/test-browser.js
66 строк
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1lostsun
update project
25 май 2025, 13:12
25 май 2025, 13:12
78a0079
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var stream = require('stream') var pump = require('./index') var rs = new stream.Readable() var ws = new stream.Writable() rs._read = function (size) { this.push(Buffer(size).fill('abc')) } ws._write = function (chunk, encoding, cb) { setTimeout(function () { cb() }, 100) } var toHex = function () { var reverse = new (require('stream').Transform)() reverse._transform = function (chunk, enc, callback) { reverse.push(chunk.toString('hex')) callback() } return reverse } var wsClosed = false var rsClosed = false var callbackCalled = false var check = function () { if (wsClosed && rsClosed && callbackCalled) { console.log('test-browser.js passes') clearTimeout(timeout) } } ws.on('finish', function () { wsClosed = true check() }) rs.on('end', function () { rsClosed = true check() }) var res = pump(rs, toHex(), toHex(), toHex(), ws, function () { callbackCalled = true check() }) if (res !== ws) { throw new Error('should return last stream') } setTimeout(function () { rs.push(null) rs.emit('close') }, 1000) var timeout = setTimeout(function () { check() throw new Error('timeout') }, 5000)