Current File : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/test/pummel/test-keep-alive.js
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
// This test requires the program 'wrk'.
const common = require('../common');
const child_process = require('child_process');
const result = child_process.spawnSync('wrk', ['-h']);
if (result.error && result.error.code === 'ENOENT')
common.skip('test requires `wrk` to be installed first');
const assert = require('assert');
const http = require('http');
const url = require('url');
const body = 'hello world\n';
const server = http.createServer((req, res) => {
res.writeHead(200, {
'Content-Length': body.length,
'Content-Type': 'text/plain',
});
res.write(body);
res.end();
});
let keepAliveReqSec = 0;
let normalReqSec = 0;
const runAb = (opts, callback) => {
const args = [
'-c', opts.concurrent || 50,
'-t', opts.threads || 2,
'-d', opts.duration || '5s',
];
if (!opts.keepalive) {
args.push('-H');
args.push('Connection: close');
}
args.push(url.format({ hostname: '127.0.0.1',
port: opts.port, protocol: 'http' }));
const child = child_process.spawn('wrk', args);
child.stderr.pipe(process.stderr);
child.stdout.setEncoding('utf8');
let stdout;
child.stdout.on('data', (data) => stdout += data);
child.on('close', (code, signal) => {
if (code) {
console.error(code, signal);
process.exit(code);
return;
}
let matches = /Requests\/sec:\s*(\d+)\./i.exec(stdout);
const reqSec = parseInt(matches[1]);
matches = /Keep-Alive requests:\s*(\d+)/i.exec(stdout);
let keepAliveRequests;
if (matches) {
keepAliveRequests = parseInt(matches[1]);
} else {
keepAliveRequests = 0;
}
callback(reqSec, keepAliveRequests);
});
};
server.listen(0, () => {
const port = server.address().port;
runAb({ keepalive: true, port: port }, (reqSec) => {
keepAliveReqSec = reqSec;
runAb({ keepalive: false, port: port }, (reqSec) => {
normalReqSec = reqSec;
server.close();
});
});
});
process.on('exit', () => {
assert.strictEqual(
normalReqSec > 50,
true,
`normalReqSec should be greater than 50, but got ${normalReqSec}`,
);
assert.strictEqual(
keepAliveReqSec > 50,
true,
`keepAliveReqSec should be greater than 50, but got ${keepAliveReqSec}`,
);
assert.strictEqual(
normalReqSec < keepAliveReqSec,
true,
'normalReqSec should be less than keepAliveReqSec, ' +
`but ${normalReqSec} is greater than ${keepAliveReqSec}`,
);
});
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