forked from webpack-contrib/webpack-bundle-analyzer
/
viewer.js
72 lines (62 loc) · 2.18 KB
/
viewer.js
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const chai = require('chai');
chai.use(require('chai-subset'));
const {expect} = chai;
const crypto = require('crypto');
const net = require('net');
const Logger = require('../lib/Logger');
const {startServer} = require('../lib/viewer.js');
describe('WebSocket server', function () {
it('should not crash when an error is emitted on the websocket', function (done) {
const bundleStats = {
assets: [{name: 'bundle.js', chunks: [0]}]
};
const options = {
openBrowser: false,
logger: new Logger('silent'),
port: 0,
analyzerUrl: () => ''
};
startServer(bundleStats, options)
.then(function ({http: server}) {
// The GUID constant defined in WebSocket protocol
// https://tools.ietf.org/html/rfc6455#section-1.3
const GUID = '258EAFA5-E914-47DA-95CA-C5AB0DC85B11';
// The client-generated "Sec-WebSocket-Key" header field value.
const key = crypto.randomBytes(16).toString('base64');
// The server-generated "Sec-WebSocket-Accept" header field value.
const accept = crypto.createHash('sha1')
.update(key + GUID)
.digest('base64');
const socket = net.createConnection(server.address().port, function () {
socket.write([
'GET / HTTP/1.1',
'Host: localhost',
'Upgrade: websocket',
'Connection: Upgrade',
`Sec-WebSocket-Key: ${key}`,
'Sec-WebSocket-Version: 13',
'',
''
].join('\r\n'));
});
socket.on('data', function (chunk) {
const expected = Buffer.from([
'HTTP/1.1 101 Switching Protocols',
'Upgrade: websocket',
'Connection: Upgrade',
`Sec-WebSocket-Accept: ${accept}`,
'',
''
].join('\r\n'));
expect(chunk.equals(expected)).to.be.true;
// Send a WebSocket frame with a reserved opcode (5) to trigger an error
// to be emitted on the server.
socket.write(Buffer.from([0x85, 0x00]));
socket.on('close', function () {
server.close(done);
});
});
})
.catch(done);
});
});