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// This test requires the program 'ab'
var common = require('../common');
var assert = require('assert');
var http = require('http');
var exec = require('child_process').exec;
var body = 'hello world\n';
var server = http.createServer(function(req, res) {
res.writeHead(200, {
'Content-Length': body.length,
'Content-Type': 'text/plain'
});
res.write(body);
res.end();
});
var keepAliveReqSec = 0;
var normalReqSec = 0;
function runAb(opts, callback) {
var command = 'ab ' + opts + ' http://127.0.0.1:' + common.PORT + '/';
exec(command, function(err, stdout, stderr) {
if (err) {
if (stderr.indexOf('ab') >= 0) {
console.log('ab not installed? skipping test.\n' + stderr);
process.reallyExit(0);
}
return;
}
if (err) throw err;
var matches = /Requests per second:\s*(\d+)\./mi.exec(stdout);
var reqSec = parseInt(matches[1]);
matches = /Keep-Alive requests:\s*(\d+)/mi.exec(stdout);
var keepAliveRequests;
if (matches) {
keepAliveRequests = parseInt(matches[1]);
} else {
keepAliveRequests = 0;
}
callback(reqSec, keepAliveRequests);
});
}
server.listen(common.PORT, function() {
runAb('-k -c 100 -t 2', function(reqSec, keepAliveRequests) {
keepAliveReqSec = reqSec;
assert.equal(true, keepAliveRequests > 0);
console.log('keep-alive: ' + keepAliveReqSec + ' req/sec');
runAb('-c 100 -t 2', function(reqSec, keepAliveRequests) {
normalReqSec = reqSec;
assert.equal(0, keepAliveRequests);
console.log('normal: ' + normalReqSec + ' req/sec');
server.close();
});
});
});
process.addListener('exit', function() {
assert.equal(true, normalReqSec > 50);
assert.equal(true, keepAliveReqSec > 50);
assert.equal(true, normalReqSec < keepAliveReqSec);
});
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